CN111818972A - 去免疫的抗erbb3抗体 - Google Patents
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- CN111818972A CN111818972A CN201980017723.3A CN201980017723A CN111818972A CN 111818972 A CN111818972 A CN 111818972A CN 201980017723 A CN201980017723 A CN 201980017723A CN 111818972 A CN111818972 A CN 111818972A
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Abstract
本文提供了与ERBB3特异性结合的人源化和去免疫的抗体分子以及相关核酸分子、载体和宿主细胞。本文还提供了此类抗体分子的医学用途。
Description
相关申请的交叉引用
本申请要求于2018年3月14日提交的英国专利申请第1804094.9号的权益,所述英国专利申请的公开内容特此通过引用整体并入。
以电子方式提交的文本文件的说明
与本申请一起以电子方式提交的文本文件的内容通过引用整体并入本文:序列表的计算机可读格式副本(文件名:ULTH_001_01WO_SeqList_ST25.txt;记录日期:2019年3月13日;文件大小:141,221字节)。
技术领域
本发明涉及与ERBB3(也被称为ErbB-3、HER3、LCCS2、MDA-BF-1、c-erbB-3、c-erbB3、erbB3-S、p180-ErbB3、p45-sErbB3、p85-sErbB3、erb-b2受体酪氨酸激酶3)特异性结合的抗体分子及其医学用途。
背景技术
ERBB3(也被称为ErbB-3、HER3、LCCS2、MDA-BF-1、c-erbB-3、c-erbB3、erbB3-S、p180-ErbB3、p45-sErbB3、p85-sErbB3、erb-b2受体酪氨酸激酶3)是属于免疫球蛋白超家族的跨膜受体酪氨酸激酶(RTK)蛋白。ERBB3自身缺乏显著的酪氨酸激酶活性,并且通过与其它相关RTK(如HER2、EGFR和MET)的异源二聚化被激活。这种异源二聚化主要由ERBB3的主要配体(即,调节蛋白(HRG),也被称为神经调节蛋白1(NRG1))驱动。ERBB3-HRG相互作用触发异源二聚体配偶体对ERBB3的酪氨酸磷酸化以及各种细胞内信号传导网络的激活。重要的是,ERBB3是EGFR家族中PI3K/AKT信号传导途径的最有效的激活剂。
ERBB3受体通常在头颈肿瘤、肺肿瘤、乳腺肿瘤、卵巢肿瘤、前列腺肿瘤、结肠肿瘤、胰腺肿瘤和胃肠道肿瘤中过表达。ERBB3的过表达与不良预后密切相关,并且认为ERBB3对放射疗法以及各种化学治疗药物和生物治疗药物的耐药性机制有影响。作为HER2的优选二聚化配偶体,认为HER2+乳腺肿瘤中的ERBB3信号传导增强是曲妥珠单抗(trastuzumab)疗法耐药的部分原因。通过阻断ERBB3与其它关键受体二聚化的能力来拮抗ERBB3信号传导的治疗性抗体有可能通过以下两种机制介导抗肿瘤作用:1.通过将受体锁定为单体形式来强效抑制ERBB3信号传导途径。2.抗体效应子功能介导的免疫细胞连接。
大多数目前经批准的抗体治疗剂均源自经过免疫的啮齿动物。通过将鼠互补决定区(CDR)“移植”到人v基因骨架序列中,那些抗体中的许多抗体已经经历了被称为“人源化”的过程(参见Nelson等人,2010,《自然综述:药物发现(Nat Rev Drug Discov)》9:767-774)。此过程通常不准确,并且导致所得抗体的靶结合亲和力降低。为了恢复原始抗体的结合亲和力,通常在所移植v结构域的可变结构域骨架的关键位置处引入鼠残基(也被称为“回复突变”)。
尽管已经显示,与具有完全鼠v结构域的抗体相比,通过CDR移植和回复突变进行人源化的抗体在临床上诱导的免疫应答率较低,但使用这种基本移植方法进行人源化的抗体仍具有显著的临床开发风险,因为在所移植CDR环中仍然具有潜在的物理不稳定性和免疫原性基序。如抗ERBB3等抗体(其可能以其作用机制的一部分的形式参与免疫效应子功能)具有特别高的免疫原性风险,这是因为所述抗体可以促进ERBB3+靶细胞的吞噬作用,从而导致抗体连同靶细胞的抗原加工。由于对蛋白质免疫原性的动物测试通常无法预测人的免疫应答,因此针对治疗用途的抗体工程集中于使经过纯化的蛋白质中的预测的人T细胞表位含量、非人种系氨基酸含量和聚集潜力最小化。
因此,理想的人源化拮抗性抗ERBB3抗体在v结构域中具有尽可能多的残基,所述残基与充分表征的人种系序列的骨架和CDR两者中存在的残基相同。与最大数量的潜在患者中高度表达的高稳定性种系的高水平同一性使治疗性抗体在临床上具有不想要的免疫原性的风险或在制造方面的非常高的“商品成本”最小化。
Townsend等人(2015;《美国国家科学院院刊(PNAS)》112:15354-15359)描述了一种用于产生抗体的方法,其中将源自大鼠、兔和小鼠抗体的CDR移植到优选的人骨架中,然后对所述CDR进行被称为“增强型二元取代(Augmented Binary Substitution)”的人种系化方法。尽管所述方法证明了原始抗体互补位中的基本可塑性,但在缺乏高度准确的抗体-抗原共晶体结构数据的情况下,仍然无法可靠地预测任何给定抗体的CDR环中的哪些单独的残基可以转换成人种系,以及以什么组合进行转换。此外,Townsend等人的研究未解决人种系中在去除开发风险基序可能有益的位置处存在的残基之外加入诱变。这是使所述过程本质上效率低下的技术限制,从而需要对起始抗体序列进行修饰的额外阶段。另外,目前无法准确预测单独的v结构域的蛋白质序列的远端位置中或者甚至配偶体v结构域上的什么修饰可以有助于在维持抗原结合亲和力和特异性的同时去除风险基序。
因此,CDR种系化和开发质量优化是一个复杂的多因素问题,因为应优选地维持分子的多种功能性质,在这种情况下包含:靶结合特异性、对来自人和动物测试物种(例如,恒河猴(rhesus monkey),也被称为恒河猴(rhesus macaque),即,普通猕猴(Macacamulatta)))两者的ERBB3的亲和力、v结构域生物物理稳定性和/或研究、临床和商业供应中使用的蛋白质表达平台的IgG产量。抗体工程化研究已经表明,关键CDR中甚至单一残基位置的突变都可能对所有这些期望的分子性质具有显著影响。
WO 2011136911A2描述了一种被称为“24C05”的拮抗性鼠抗ERBB3 IgG分子,并且还描述了人源化形式(h24C05)的制备。24C05的那些人源化形式是使用经典人源化技术产生的,即,通过将Kabat定义的鼠CDR移植到人重链和轻链骨架序列中,其中人骨架残基中的一些人骨架残基可能被回复突变为对应定位的24C05鼠残基。由于上述原因,WO2011136911A2中描述的24C05的这种人源化形式并不理想。
发明内容
本发明提供了多种抗ERBB3抗体及其医学用途。
根据本发明的一个方面,提供了一种抗体分子或其抗原结合部分,所述抗体分子与人ERBB3并且任选地还与恒河猴ERBB3特异性结合,其中所述抗体分子或抗原结合部分包括具有以下的重链可变区:
具有遵循以下顺序的氨基酸序列的HCDR1:G-F-T-F-S-D-Y-G或任何氨基酸(如S)-M-S(SEQ ID NO:1);
具有遵循以下顺序的氨基酸序列的HCDR2:V-S-T-I-S-D-G或任何氨基酸(如S、D)-G-T或T的保守取代(如S)-Y或任何氨基酸(如T)-T或任何氨基酸(如I)-Y-Y-P或任何氨基酸(如A)-D-N或N的保守取代(如S)-V-K-G(SEQ ID NO:2);以及
具有遵循以下顺序的氨基酸序列的HCDR3:E或任何氨基酸(如M)-W或任何氨基酸(如F、L、M、Q或Y)-G-D-Y或任何氨基酸(如A、D、E、H、L、M、N、Q、S、T或W)-D-G-F或任何氨基酸(如I、L、W、Y)-D-Y或任何氨基酸(如A、D、E、F、H、I、K、L、M、N、Q、R、S、V、W)(SEQ ID NO:3)。
在本发明的各方面中,所述抗体分子或抗原结合部分的所述HCDR1可以不包含序列GFTFSDYAMS(SEQ ID NO:4;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体HCDR1),所述抗体分子或抗原结合部分的所述HCDR2可以不包含序列VSTISDGGTYTYYPDNVKG(SEQ ID NO:5;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体HCDR2),和/或所述抗体分子或抗原结合部分的所述HCDR3可以不包含序列EWGDYDGFDY(SEQ ID NO:6;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体HCDR3)。
所述抗体分子或抗原结合部分可以进一步包括具有以下的轻链可变区:
具有遵循以下顺序的氨基酸序列的LCDR1:R-A-S-Q-E或任何氨基酸(如S、I、N)-I-S-G或G的保守取代(如S、T)-Y-L-S或S的保守取代(如N)(SEQ ID NO:7);
具有遵循以下顺序的氨基酸序列的LCDR2:A或任何氨基酸(如E)-A-S-T或T的保守取代(如S、N)-L-D或任何氨基酸(如H、K、Q)-S或T(SEQ ID NO:8);以及
具有遵循以下顺序的氨基酸序列的LCDR3:L或任何氨基酸(如Q)-Q-Y或任何氨基酸(如S)-D或任何氨基酸(如Y)-S-Y或任何氨基酸(如T、S)-P或任何氨基酸(如H)-Y或任何氨基酸(如L)-T(SEQ ID NO:9)。
在本发明的各方面中,所述抗体分子或抗原结合部分的所述LCDR1可以不包含序列RASQEISGYLS(SEQ ID NO:10;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体LCDR1),和/或所述抗体分子或抗原结合部分的所述LCDR2可以不包含序列AASTLDS(SEQ ID NO:11;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体LCDR2),和/或所述抗体分子或抗原结合部分的所述LCDR3可以不包含序列LQYDSYPYT(SEQ ID NO:12;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体LCDR3)。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
(a)HCDR1包括氨基酸序列G-F-T-F-S-D-Y-X1-M-S,其中X1是G或任何其它氨基酸(SEQ ID NO:1);
(b)HCDR2包括V-S-T-I-S-D-X1-G-X2-X3-X4-Y-Y-X5-D-X6-V-K-G,其中X1是G或任何其它氨基酸,X2是T或T的保守取代,X3是Y或任何其它氨基酸,X4是T或任何其它氨基酸,X5是P或任何其它氨基酸,并且X6是N或N的保守取代(SEQ ID NO:2);
(c)HCDR3包括X1-X2-G-D-X3-D-G-X4-D-X5,其中X1是E或任何其它氨基酸,X2是W或任何其它氨基酸,X3是Y或任何其它氨基酸,X4是F或任何其它氨基酸,并且X5是Y或任何其它氨基酸(SEQ ID NO:3);
(d)LCDR1包括R-A-S-Q-X1-I-S-X2-Y-L-X3,其中X1是E或任何其它氨基酸,X2是G或G的保守取代,并且X3是S或S的保守取代(SEQ ID NO:7);
(e)LCDR2包括X1-A-S-X2-L-X3-S,其中X1是A或任何其它氨基酸,X2是T或T的保守取代,并且X3是D或任何其它氨基酸(SEQ ID NO:8);并且
(f)LCDR3包括X1-Q-X2-X3-S-X4-X5-X6-T,其中X1是L或任何其它氨基酸,X2是Y或任何其它氨基酸,X3是D或任何其它氨基酸,X4是Y或任何其它氨基酸,X5是P或任何其它氨基酸,并且X6是Y或任何其它氨基酸(SEQ ID NO:9)。在一些方面中,LCDR2包括X1-A-S-X2-L-X3-S(SEQ ID NO:8),其中所述序列中的第七个残基是S的保守取代(例如,T)。
在一些方面中,本发明提供了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
(a)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQEISTYLS(SEQ ID NO:261)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSSPLT(SEQ ID NO:262)的LCDR3;
(b)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLDT(SEQ ID NO:263)的LCDR2和LQYDSTPYT(SEQ ID NO:23)的LCDR3;
(c)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYTYYPDSVKG(SEQ ID NO:19)的HCDR2和ELGDYDGFDY(SEQ ID NO:20)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLDS(SEQ ID NO:22)的LCDR2和LQYDSTPYT(SEQ ID NO:23)的LCDR3;
(d)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;
(e)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;
(f)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDH(SEQ ID NO:27)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;
(g)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDGGSYTYYADSVKG(SEQ ID NO:28)的HCDR2和EWGDYDGFDE(SEQ ID NO:29)的HCDR3;并且VL区氨基酸序列包括RASQSISGYLS(SEQ ID NO:30)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPYT(SEQ ID NO:23)的LCDR3;
(h)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDGGSYTYYADNVKG(SEQ ID NO:31)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;或者
(i)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDE(SEQ ID NO:29)的HCDR3;并且VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
VH区氨基酸序列包括:
(a)SEQ ID NO:13或24的HCDR1;
(b)SEQ ID NO:14、19、25、28或31的HCDR2;以及
(c)SEQ ID NO:15、20、27或29的HCDR3;并且
VL区氨基酸序列包括:
(a′)SEQ ID NO:16、21、30或261的LCDR1;
(b′)SEQ ID NO:17、22、26或263的LCDR2;以及
(c′)SEQ ID NO:18、23或262的LCDR3。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
(a)VH区氨基酸序列包括SEQ ID NO:236,并且VL区氨基酸序列包括SEQ ID NO:225;
(b)VH区氨基酸序列包括SEQ ID NO:232,并且VL区氨基酸序列包括SEQ ID NO:221;
(c)VH区氨基酸序列包括SEQ ID NO:253,并且VL区氨基酸序列包括SEQ ID NO:254;或者
(d)VH区氨基酸序列包括SEQ ID NO:255,并且VL区氨基酸序列包括SEQ ID NO:256。
根据本发明还提供了一种免疫缀合物,所述免疫缀合物包括与治疗剂连接、融合或缀合的如本文所定义的抗体分子或其抗原结合部分。
在另一方面中,本发明提供了一种核酸分子,所述核酸分子对如本文所定义的抗体分子或其抗原结合部分进行编码。
进一步提供了一种载体,所述载体包括本发明的核酸分子。
还提供了一种宿主细胞,所述宿主细胞包括如本文所定义的本发明的核酸分子或载体。
在另外一方面中,提供了一种产生抗ERBB3抗体和/或其抗原结合部分的方法,所述方法包括:将本发明的宿主细胞在引起所述抗体和/或其抗原结合部分的表达和/或产生的条件下培养;以及从所述宿主细胞或培养物中分离所述抗体和/或抗原结合部分。
在本发明的另一方面中,提供了一种药物组合物,所述药物组合物包括如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体。
进一步提供了一种用于增强受试者的免疫应答的方法,所述方法包括施用有效量的如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的免疫缀合物或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体或如本文所定义的本发明的药物组合物。
在另外一方面中,提供了一种用于治疗或预防受试者的癌症的方法,所述方法包括施用有效量的如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的免疫缀合物或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体或如本文所定义的本发明的药物组合物。
本文进一步提供了如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物,其用作药剂。本发明还提供了如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的免疫缀合物或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体或如本文所定义的本发明的药物组合物,其用于治疗癌症。
在另一方面中,本发明提供了如本文所定义的本发明的抗体分子或其抗原结合部分或免疫缀合物或核酸分子或载体或治疗方法,其用于单独使用、结合第二治疗剂(例如,抗癌剂)依次或同时使用。
在另外一方面中,提供了如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的免疫缀合物或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体或如本文所定义的本发明的药物组合物在制造用于治疗癌症的药剂中的用途。
本发明还提供了一种用于治疗或预防受试者的自身免疫性疾病或炎性疾病的方法,所述方法包括施用有效量的如本文所定义的抗体分子或其抗原结合部分或如此处所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物。
在所有方面中,所述自身免疫性疾病或炎性疾病可以选自由以下组成的组:关节炎、哮喘、多发性硬化症、牛皮癣、克罗恩氏病(Crohn's disease)、炎性肠病、狼疮、格雷夫氏病(Grave's disease)和桥本氏甲状腺炎(Hashimoto's thyroiditis)和强直性脊柱炎。
还提供了如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物,其用于治疗自身免疫性疾病或炎性疾病。
进一步提供了如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物在制造用于治疗自身免疫性疾病或炎性疾病的药剂中的用途。
本发明还提供了一种用于治疗或预防受试者的心血管疾病或纤维化疾病的方法,所述方法包括施用有效量的如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物。
还提供了如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物,其用于治疗心血管疾病或纤维化疾病。
进一步提供了如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物在制造用于治疗自身免疫性疾病、炎性疾病或纤维化疾病的药剂中的用途。
在本发明的任何方面中,心血管疾病可以例如是冠心病或动脉粥样硬化。
在本发明的任何方面中,纤维化疾病可以选自由以下组成的组:心肌梗塞、心绞痛、骨关节炎、肺纤维化、囊性纤维化、支气管炎和哮喘。
本发明还提供了一种用于产生与人ERBB3并且任选地还与恒河猴ERBB3特异性结合的抗体分子或其抗原结合部分的方法,所述方法包括以下步骤:
(1)将来自非人来源的抗ERBB3 CDR移植到人v结构域骨架中,以产生人源化抗ERBB3抗体分子或其抗原结合部分;
(2)产生所述人源化抗ERBB3抗体分子或其抗原结合部分的包括所述CDR中的一种或多种突变的克隆的噬菌体文库;
(3)针对与人ERBB3并且任选地还与恒河猴ERBB3的结合筛选所述噬菌体文库;
(4)选择来自筛选步骤(3)的对人ERBB3并且任选地还对恒河猴ERBB3具有结合特异性的克隆;以及
(5)由选自步骤(4)的克隆产生与人ERBB3并且任选地还与恒河猴ERBB3特异性结合的抗体分子或其抗原结合部分。
所述方法可以包括另外一个步骤:基于在步骤(4)中选择的克隆(例如,基于在步骤(4)中选择的克隆的CDR中的特定位置处的另外的探索性诱变)产生另外的克隆,以增强人源化和/或最小化人T细胞表位含量和/或改善步骤(5)中产生的抗体分子或其抗原结合部分中的制造性质。
附图说明
图1A-图1B:针对人和恒河猴ERBB3-Fc蛋白的文库源性抗ERBB3 Fab的直接结合ELISA和Alphascreen竞争筛选。克隆源自多个噬菌体选择分支,其中在轮II-IV中的每一轮中,在经过生物素化的人或恒河猴ERBB3蛋白上选择噬菌体群体。还在单独的轮II和III中进行了“严选-补救法(Hammer-Hug)”轮。在每一轮选择之后,在ELISA(图1A)中将文库源性克隆筛选为针对人(huERBB3)和恒河猴(rhERBB3)两者的周质表达性Fab蛋白,并通过Alphascreen(图1B)在阻断24C05 IgG结合于huERBB3的结合方面进行筛选。每轮的平均值±SD值用灰色条表示。
图2A-图2B:CDR残基对种系突变的耐受性的分析。分别针对VL(SEQ ID NO:32-34)(图2A)和VH(SEQ ID NO:35-37)(图2B)结构域示出了由表现出人和恒河猴ERBB3交叉反应性的658个独特的Fab克隆构成的ELISA阳性群体的CDR中的鼠氨基酸保留频率的绘图。除了HCDR3中,在其它CDR中仅绘制了用于人/鼠残基诱变的那些残基。X轴上的括号中注释的CDR残基与用于移植的人种系(IGKV1-39和IGHV3-11)中存在的CDR残基相同。CDR中的未处于括号中但值被设置为0的那些残基在移植过程期间突变为人种系。在两个绘图中,在75%处的灰色虚线表示对人种系替代鼠残基的耐受性的截止值。
图3A-图3B:与人和恒河猴ERBB3蛋白结合的IgG的直接滴定ELISA。在直接结合ELISA中针对人(图3A)和恒河猴(图3B)ERBB3-Fc蛋白(以nM)滴定呈人IgG1无效形式的嵌合性和人源化24C05文库源性和设计克隆。除了同种型IgG1无效对照物之外,所有克隆均表现出针对ERBB3的两种直系同源物的结合活性。
图4:Alphascreen中对IgG1无效蛋白的表位竞争分析。使用Alphascreen技术将抗ERBB3 IgG1无效克隆应用于表位竞争测定中。在此测定中,通过文库源性和设计IgG在溶液中与h24C05 IgG1无效竞争与人ERBB3蛋白结合来分析其对h24C05表位的保留率。所分析的所有克隆均显示出h24C05与ERBB3结合的强浓度依赖性中和作用。
图5A-图5B:文库源性和一级设计前导与人和恒河猴ERBB3+HEK-293细胞的流式细胞术结合。检查呈IgG1无效形式的嵌合性和人源化24C05文库源性和设计前导在人(图5A)和恒河猴(图5B)ERBB3转染的HEK-293细胞上的特异性结合。在0.008-500nM的浓度范围下测试IgG。在所有ERBB3特异性抗体而非同种型对照物中,观察到针对人细胞系和恒河猴细胞系两者的浓度依赖性结合。针对野生型HEK-293细胞,未观察到高于背景的结合信号。
图6A-图6B:前导抗体v-结构域中的T细胞表位肽含量。检查h24C05(图6A)和15G11(图6B)抗体的v结构域中是否存在种系(GE)、高亲和力外来(HAF)、低亲和力外来(LAF)和TCED+T细胞受体表位。发现每种抗体的VH和VL结构域两者都含有多个高风险人T细胞表位。在15G11中,尽管具有种系骨架并且存在CDR的多种人种系残基变化,但与h24C05相比,高风险表位的含量显著增加,而不是出现预期的减少。
图7A-图7D:前导抗体v-结构域中的T细胞表位肽含量的计算机破坏。以15G11中存在的v结构域高亲和力外来(HAF)、低亲和力外来(LAF)和TCED+T细胞受体表位为目标进行烧蚀。进行计算机诱变分析,以鉴定可以维持抗体结合功能但烧蚀一个或多个9-mer肽表位的非种系氨基酸变化。对HCDR-1(图7A)、LCDR-1(图7B)、LCDR-2(图7C)和LCDR-3(图7D)中存在的肽进行所述分析。根据Kabat编号方案对残基进行编号,突出显示9-mer肽序列,并且指示p1和p9位置。在箭头上方以灰色指示有利的表位破坏性突变,用黑色指示不利的表位破坏性突变。氨基酸单字母缩写旁边的三角形符号意味着此突变将使新肽成为种系(GE)肽。氨基酸单字母缩写旁边的星号是指不利突变,因为使用所述残基将产生新的异构化开发风险基序(DG)。图7A示出了SEQ ID NO:257。图7B示出了SEQ ID NO:258。图7C示出了SEQ IDNO:259。图7D示出了SEQ ID NO:260。
图8A-图8B:与人和恒河猴ErbB3蛋白结合的15G11-DI IgG的直接滴定ELISA。在直接结合ELISA中针对人(图8A)和恒河猴(图8B)ERBB3-Fc蛋白(以nM)滴定呈人IgG1形式的嵌合性和人源化24C05、同种型对照IgG1和15G11-DI1到DI11克隆。除了同种型IgG1对照物之外,所有克隆均表现出针对ERBB3的两种直系同源物的结合活性。
图9:Alphascreen中对IgG1蛋白的表位竞争分析。使用Alphascreen技术将呈人IgG1形式的嵌合性和人源化24C05、同种型对照IgG1和15G11-DI1到DI11克隆应用于表位竞争测定中。在此测定中,通过IgG在溶液中与h24C05 IgG1竞争与人ERBB3蛋白结合来分析其对与h24C05同一功能表位的保留率。除了15G11-DI11之外,所分析的所有克隆均显示出h24C05与ERBB3结合的强浓度依赖性中和作用。
图10A-图10B:文库源性和一级设计前导与人和恒河猴ERBB3+HEK-293细胞的流式细胞术结合。检查呈人IgG1形式的嵌合性和人源化24C05、同种型对照IgG1和15G11-DI1到DI11克隆在人(图10A)和恒河猴(图10B)ERBB3转染的HEK-293细胞上的特异性结合。在0.008-500nM的浓度范围下测试IgG。在所有ERBB3特异性抗体而非同种型对照物中,观察到针对人和恒河猴转染细胞两者的浓度依赖性结合。
图11:开发风险ELISA。检查呈人IgG1形式的嵌合性和人源化24C05、同种型对照IgG1、临床阶段对照抗体和15G11-DI1到DI11克隆与带负电的生物分子胰岛素和双链DNA(dsDNA)的非特异性结合。除了15G11-DI10之外,所有前导克隆均显示出低于10的结合评分,这显著低于阴性对照IgG1优特克单抗(Ustekinumab)类似物和贝伐单抗(Bevacizumab)类似物的结合评分。已经显示,如在博科西单抗(Bococizumab)类似物和布雷奴单抗(Briakinumab)类似物中所观察到的与胰岛素或dsDNA的强脱靶结合是治疗性抗体的不良药代动力学的高风险指示。
图12A-图12G:基于细胞的ErbB2-ErbB3拮抗作用测定。在人ErbB3信号传导报告基因测定中滴定呈人IgG1形式的嵌合性和人源化24C05、同种型对照IgG1和克隆15G11(图12A)、16B09(图12B)、15G11-DI5(图12C)、15G11-DI6(图12D)、15G11-DI7(图12E)、15G11-DI8(图12F)和15G11-DI9(图12G)(DiscoverXPathHuntereXpress ErbB2-ErbB3测定,根据制造商的说明进行)。除了同种型对照物之外,所有克隆均诱导强浓度依赖性ErbB3拮抗作用,其效力与h24C05的效力高度类似。
图13:15G11-DI9的基于细胞的ErbB2-ErbB3拮抗作用测定。在人ErbB3信号传导报告基因测定中滴定呈人IgG1形式的嵌合性和人源化24C05、同种型对照IgG1和克隆15G11-DI9(DiscoverXPathHuntereXpress ErbB2-ErbB3测定,根据制造商的说明进行)。除了同种型对照物之外,所有克隆均诱导强浓度依赖性ErbB3拮抗作用,如信号的抑制倍数所证明的。
图14A-图14E:前导抗体v-结构域中的T细胞表位肽含量。检查15G11-DI5(图14A)、15G11-DI6(图14B)、15G11-DI7(图14C)、15G11-DI8(图14D)和15G11-DI9(图14E)抗体的v结构域中是否存在种系(GE)、高亲和力外来(HAF)、低亲和力外来(LAF)和TCED+T细胞受体表位。在所有前导克隆中,高风险表位含量逐渐降低,并且从15G11-DI5到15G11-DI9,种系表位含量得以维持,其中15G11-DI9根本不含有预测的外来表位,这与高GE含量有关,从而表明此克隆在人中可能完全无免疫原性。
具体实施方式
根据本发明的第一方面,提供了一种抗体分子或其抗原结合部分,所述抗体分子与人ERBB3并且任选地还与恒河猴ERBB3特异性结合,其中所述抗体分子或抗原结合部分包括具有以下的重链可变区:
具有遵循以下顺序的氨基酸序列的HCDR1:G-F-T-F-S-D-Y-G或任何氨基酸(如S)-M-S(SEQ ID NO:1);
具有遵循以下顺序的氨基酸序列的HCDR2:V-S-T-I-S-D-G或任何氨基酸(如S、D)-G-T或T的保守取代(如S)-Y或任何氨基酸(如T)-T或任何氨基酸(如I)-Y-Y-P或任何氨基酸(如A)-D-N或N的保守取代(如S)-V-K-G(SEQ ID NO:2);以及
具有遵循以下顺序的氨基酸序列的HCDR3:E或任何氨基酸(如M)-W或任何氨基酸(如F、L、M、Q或Y)-G-D-Y或任何氨基酸(如A、D、E、H、L、M、N、Q、S、T或W)-D-G-F或任何氨基酸(如I、L、W、Y)-D-Y或任何氨基酸(如A、D、E、F、H、I、K、L、M、N、Q、R、S、V、W)(SEQ ID NO:3)。
在一些方面中,本文所提供的抗ERBB3抗体或抗原结合部分与包括SEQ ID NO:246或SEQ ID NO:247或由其组成的ERBB3蛋白特异性结合。在一些方面中,本文所提供的抗ERBB3抗体或抗原结合部分与具有与SEQ ID NO:246或SEQ ID NO:247至少约90%、至少约91%、至少约92%、至少约93%、至少约94%、至少约95%、至少约96%、至少约97%、至少约98%或至少约99%相同的氨基酸序列的ERBB3蛋白特异性结合。
在本发明的各方面中,所述抗体分子或抗原结合部分的所述HCDR1可以不包含序列GFTFSDYAMS(SEQ ID NO:4;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体HCDR1),所述抗体分子或抗原结合部分的所述HCDR2可以不包含序列VSTISDGGTYTYYPDNVKG(SEQ ID NO:5;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体HCDR2),和/或所述抗体分子或抗原结合部分的所述HCDR3可以不包含序列EWGDYDGFDY(SEQ ID NO:6;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体HCDR3)。
所述抗体分子或抗原结合部分可以进一步包括具有以下的轻链可变区:
具有遵循以下顺序的氨基酸序列的LCDR1:R-A-S-Q-E或任何氨基酸(如S、I、N)-I-S-G或G的保守取代(如S、T)-Y-L-S或S的保守取代(如N)(SEQ ID NO:7);
具有遵循以下顺序的氨基酸序列的LCDR2:A或任何氨基酸(如E)-A-S-T或T的保守取代(如S、N)-L-D或任何氨基酸(如H、K、Q)-S或T(SEQ ID NO:8);以及
具有遵循以下顺序的氨基酸序列的LCDR3:L或任何氨基酸(如Q)-Q-Y或任何氨基酸(如S)-D或任何氨基酸(如Y)-S-Y或任何氨基酸(如T、S)-P或任何氨基酸(如H)-Y或任何氨基酸(如L)-T(SEQ ID NO:9)。
在本发明的各方面中,所述抗体分子或抗原结合部分的所述LCDR1可以不包含序列RASQEISGYLS(SEQ ID NO:10;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体LCDR1),和/或所述抗体分子或抗原结合部分的所述LCDR2可以不包含序列AASTLDS(SEQ ID NO:11;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体LCDR2),和/或所述抗体分子或抗原结合部分的所述LCDR3可以不包含序列LQYDSYPYT(SEQ ID NO:12;WO 2011136911A2、US20110256154A1中公开的24C05鼠/人源化抗体LCDR3)。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
(a)HCDR1包括氨基酸序列G-F-T-F-S-D-Y-X1-M-S,其中X1是G或任何其它氨基酸(例如,S)(SEQ ID NO:1);
(b)HCDR2包括V-S-T-I-S-D-X1-G-X2-X3-X4-Y-Y-X5-D-X6-V-K-G,其中X1是G或任何其它氨基酸(例如,S或D),X2是T或T的保守取代(例如,S),X3是Y或任何其它氨基酸(例如,T),X4是T或任何其它氨基酸(例如,I),X5是P或任何其它氨基酸(例如,A),并且X6是N或N的保守取代(例如,S)(SEQ ID NO:2);
(c)HCDR3包括X1-X2-G-D-X3-D-G-X4-D-X5,其中X1是E或任何其它氨基酸(例如,M),X2是W或任何其它氨基酸(例如,F、L、M、Q或Y),X3是Y或任何其它氨基酸(例如,A、D、E、H、L、M、N、Q、S、T或W),X4是F或任何其它氨基酸(例如,I、L、W或Y),并且X5是Y或任何其它氨基酸(例如,A、D、E、F、H、I、K、L、M、N、Q、R、S、V或W)(SEQ ID NO:3);
(d)LCDR1包括R-A-S-Q-X1-I-S-X2-Y-L-X3,其中X1是E或任何其它氨基酸(例如,S、I或N),X2是G或G的保守取代(例如,S或T),并且X3是S或S的保守取代(例如,N)(SEQ ID NO:7);
(e)LCDR2包括X1-A-S-X2-L-X3-S,其中X1是A或任何其它氨基酸(例如,E),X2是T或T的保守取代(例如,S或N),并且X3是D或任何其它氨基酸(例如,H、K或Q)(SEQ ID NO:8);并且
(f)LCDR3包括X1-Q-X2-X3-S-X4-X5-X6-T,其中X1是L或任何其它氨基酸(例如,Q),X2是Y或任何其它氨基酸(例如,S),X3是D或任何其它氨基酸(例如,Y),X4是Y或任何其它氨基酸(例如,T或S),X5是P或任何其它氨基酸(例如,H),并且X6是Y或任何其它氨基酸(例如,L)(SEQ ID NO:9)。在一些方面中,LCDR2包括X1-A-S-X2-L-X3-S(SEQ ID NO:8),其中所述序列中的第七个残基是S的保守取代(例如,T)。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,所述VH区以从氨基端到羧基端的顺序包括FR1-HCDR1-FR2-HCDR2-FR3-HCDR3-FR4,所述VL区以从氨基端到羧基端的顺序包括FR1-LCDR1-FR2-LCDR2-FR3-LCDR3-FR4,其中HCDR1是SEQ ID NO:1,HCDR2是SEQ ID NO:2,HCDR3是SEQID NO:3,LCDR1是SEQ ID NO:7,LCDR2是SEQ ID NO:8并且LCDR3是SEQ ID NO:9,其中重链FR1、FR2、FR3和FR4氨基酸序列是SEQ ID NO:86中的重链FR1、FR2、FR3和FR4氨基酸序列(参见表2),并且其中轻链FR1、FR2、FR3和FR4氨基酸序列是SEQ ID NO:88中的轻链FR1、FR2、FR3和FR4氨基酸序列(参见表2)。
如本文详述的,本发明的发明人首次成功使用源自WO 2011136911A2、US20110256154A1中公开的鼠抗ERBB3抗体24C05的CDR序列产生了许多经过优化的抗ERBB3抗体分子。在本发明的实施例中,已经选择对人ERBB3和恒河猴ERBB3两者都具有结合特异性的这些抗体分子(以促进在合适的动物测试物种中的体内研究)。对如本文所描述的经过优化的抗体分子的进一步细化提高了可变结构域稳定性、提高了表达产量和/或降低了免疫原性。
本发明的优选的经过优化的抗ERBB3抗体分子在对应的鼠CDR或其它(如骨架)氨基酸位置处不必具有最大数量的人种系取代。如下文实验部分所详述的,发现就抗ERBB3结合特性和/或其它期望特征而言,“最大程度人源化的”抗体分子不一定是“最大程度优化的”。
本发明涵盖对本文所定义的抗体分子或其抗原结合部分的氨基酸序列的修饰。例如,本发明包含抗体分子和其对应的抗原结合部分,所述抗原结合部分包括不会显著影响其性质的功能等同的可变区和CDR,并且还包含活性和/或亲和力增强或降低的变体。例如,可以使氨基酸序列突变以获得对ERBB3具有期望结合亲和力的抗体。设想了包含长度范围为一个残基到含有一百个或更多个残基的多肽的氨基和/或羧基端融合物的插入物,以及由单个或多个氨基酸残基构成的序列内插入物。末端插入物的实例包含具有N端甲硫氨酰基残基的抗体分子或与表位标签融合的抗体分子。抗体分子的其它插入变体包含与酶或多肽的抗体的N端或C端连接的融合物,所述融合物增加抗体在血液循环中的半衰期。
本发明的抗体分子或抗原结合部分可以包含经过糖基化的多肽和未经糖基化的多肽以及具有其它转译后修饰(例如用不同的糖进行的糖基化、乙酰化和磷酸化)的多肽。可以例如通过添加、去除或替代一个或多个氨基酸残基以形成或去除糖基化位点来使本发明的抗体分子或抗原结合部分突变,以改变这种转译后修饰。
可以例如通过氨基酸取代来修饰本发明的抗体分子或抗原结合部分,以去除抗体中的潜在蛋白水解位点。
在抗体分子或其抗原结合部分中,HCDR1可以具有以下氨基酸序列:G-F-T-F-S-D-Y-E/G/H/N/R/S/T/Q/V-M-S(SEQ ID NO:38);HCDR2可以具有以下氨基酸序列:V-S-T-I-S-D-G/S/D-G-T/S-Y/T-T/I-Y-Y-P/A-D-N/S-V-K-G(SEQ ID NO:39);并且HCDR3可以具有以下氨基酸序列:E/M-W/F/L/M/Q/Y-G-D-Y/A/D/E/H/L/M/N/Q/S/T/W-D-G-F/I/L/W/Y-D-Y/A/D/E/F/H/I/K/L/M/N/Q/R/S/V/W(SEQ ID NO:40)。
例如,HCDR1可以具有以下氨基酸序列:G-F-T-F-S-D-Y-G/S-M-S(SEQ ID NO:41);HCDR2可以具有以下氨基酸序列:V-S-T-I-S-D-G/S-G-S-Y/T-T/I-Y-Y-P/A-D-S-V-K-G(SEQID NO:42);并且HCDR3可以具有以下氨基酸序列:E-W/L/Y-G-D-Y-D-G-F-D-Y/E/F/H/N(SEQID NO:43)。
在抗体分子或其抗原结合部分中,LCDR1可以具有以下氨基酸序列:R-A-S-Q-E/S/I/N-I-S-G/S-Y-L-S/N(SEQ ID NO:44);LCDR2可以具有以下氨基酸序列:A/E-A-S-T/S/N-L-D/H/K/Q-S(SEQ ID NO:45);并且LCDR3可以具有以下氨基酸序列:L/Q-Q-Y/S-D/Y-S-Y/T-P/H-Y/L-T(SEQ ID NO:46)。在抗体分子或其抗原结合部分中,LCDR1可以具有以下氨基酸序列:R-A-S-Q-E/S/I/N-I-S-G/S/T-Y-L-S/N;LCDR2可以具有以下氨基酸序列:A/E-A-S-T/S/N-L-D/H/K/Q-S/T;并且LCDR3可以具有以下氨基酸序列:L/Q-Q-Y/S-D/Y-S-Y/T/S-P/H-Y/L-T。
例如,LCDR1可以具有以下氨基酸序列:R-A-S-Q-E/S-I-S-G/S-Y-L-S/N(SEQ IDNO:47);LCDR2可以具有以下氨基酸序列:A-A-S-T/S-L-D/Q-S(SEQ ID NO:48);并且LCDR3可以具有以下氨基酸序列:L-Q-Y-D/Y-S-T-P-Y/L-T(SEQ ID NO:49)。例如,LCDR1可以具有以下氨基酸序列:R-A-S-Q-E/S-I-S-G/S/T-Y-L-S/N;LCDR2可以具有以下氨基酸序列:A-A-S-T/S-L-D/Q-S/T;并且LCDR3可以具有以下氨基酸序列:L-Q-Y-D/Y-S-T/S-P-Y/L-T。
在本发明的特定实施例中,抗体分子或抗原结合部分可以包括:
(a)氨基酸序列RASQSISSYLS(SEQ ID NO:16;LCDR1)、AASTLQS(SEQ ID NO:26;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDGGSYTYYADNVKG(SEQ ID NO:31;HCDR2)、EWGDYDGFDF(SEQ ID NO:15;HCDR3)[克隆15D10];或者
(b)氨基酸序列RASQSISGYLS(SEQ ID NO:30;LCDR1)、AASTLQS(SEQ ID NO:26;LCDR2)、LQYDSTPYT(SEQ ID NO:23;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDGGSYTYYADSVKG(SEQ ID NO:28;HCDR2)、EWGDYDGFDE(SEQ ID NO:29;HCDR3)[克隆17H10];或者
(c)氨基酸序列RASQSISSYLN(SEQ ID NO:50;LCDR1)、AASSLDS(SEQ ID NO:22;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDGGSYTYYADSVKG(SEQ ID NO:28;HCDR2)、EYGDYDGFDY(SEQ ID NO:51;HCDR3)[克隆09D12];或者
(d)氨基酸序列RASQEISSYLS(SEQ ID NO:21;LCDR1)、AASSLQS(SEQ ID NO:17;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDSGSYIYYADSVKG(SEQ ID NO:14;HCDR2)、EWGDYDGFDH(SEQ ID NO:27;HCDR3)[克隆15D03];或者
(e)氨基酸序列RASQIISSYLS(SEQ ID NO:52;LCDR1)、AASSLDS(SEQ ID NO:22;LCDR2)、LQYYSTPLT(SEQ ID NO:53;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDSGSYTYYADSVKG(SEQ ID NO:54;HCDR2)、EWGDYDGFDN(SEQ ID NO:55;HCDR3)[克隆11H02];或者
(f)氨基酸序列RASQEISSYLS(SEQ ID NO:21;LCDR1)、AASSLDS(SEQ ID NO:22;LCDR2)、LQYDSTPYT(SEQ ID NO:23;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDSGSYTYYPDSVKG(SEQ ID NO:19;HCDR2)、ELGDYDGFDY(SEQ ID NO:20;HCDR3)[克隆15G11];或者
(g)氨基酸序列RASQSISSYLS(SEQ ID NO:16;LCDR1)、AASSLQS(SEQ ID NO:17;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDSGTTIYYADNVKG(SEQ ID NO:56;HCDR2)、EYGDYDGFDY(SEQ ID NO:51;HCDR3)[克隆15E02];或者
(h)氨基酸序列RASQSISSYLS(SEQ ID NO:16;LCDR1)、AASSLQS(SEQ ID NO:17;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYSMS(SEQ ID NO:24;HCDR1)、VSTISDGGSYTYYPDSVKG(SEQ ID NO:57;HCDR2)、ELGDYDGFDY(SEQ ID NO:20;HCDR3)[克隆09HO2];或者
(i)氨基酸序列RASQEISSYLS(SEQ ID NO:21;LCDR1)、AASTLQS(SEQ ID NO:26;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYSMS(SEQ ID NO:24;HCDR1)、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25;HCDR2)、EWGDYDGFDF(SEQ ID NO:15;HCDR3)[克隆16B09];或者
(j)氨基酸序列RASQSISSYLS(SEQ ID NO:16;LCDR1)、AASSLQS(SEQ ID NO:17;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDSGSYIYYADSVKG(SEQ ID NO:14;HCDR2)、ELGDYDGFDY(SEQ ID NO:20;HCDR3)[克隆MH1];或者
(k)氨基酸序列RASQSISSYLS(SEQ ID NO:16;LCDR1)、AASSLQS(SEQ ID NO:17;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDSGSYIYYADSVKG(SEQ ID NO:14;HCDR2)、EWGDYDGFDF(SEQ ID NO:15;HCDR3)[克隆MH2];或者
(l)氨基酸序列RASQSISSYLS(SEQ ID NO:16;LCDR1)、AASSLQS(SEQ ID NO:17;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYSMS(SEQ ID NO:24;HCDR1)、VSTISDSGSTIYYADSVKG(SEQ ID NO:58;HCDR2)、EWGDYDGFDF(SEQ ID NO:15;HCDR3)[克隆MH3];或者
(m)氨基酸序列RASQSISSYLS(SEQ ID NO:16;LCDR1)、AASSLQS(SEQ ID NO:17;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDSGSYIYYADSVKG(SEQ ID NO:14;HCDR2)、EWGDYDGFDE(SEQ ID NO:29;HCDR3)[克隆MH4];或者
(n)氨基酸序列RASQSISSYLS(SEQ ID NO:16;LCDR1)、AASSLQS(SEQ ID NO:17;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDSGSTIYYADSVKG(SEQ ID NO:58;HCDR2)、EYGDYDGFDY(SEQ ID NO:51;HCDR3)[克隆MH5];或者
(o)氨基酸序列RASQSISSYLN(SEQ ID NO:50;LCDR1)、AASSLQS(SEQ ID NO:17;LCDR2)、LQYDSTPLT(SEQ ID NO:18;LCDR3)、GFTFSDYGMS(SEQ ID NO:13;HCDR1)、VSTISDSGSTIYYADSVKG(SEQ ID NO:58;HCDR2)、EYGDYDGFDY(SEQ ID NO:51;HCDR3)[克隆TTP];或者
(p)氨基酸序列RASQEISTYLS(SEQ ID NO:261;LCDR1)、AASTLQS(SEQ ID NO:26;LCDR2)、LQYDSSPLT(SEQ ID NO:262;LCDR3)、GFTFSDYSMS(SEQ ID NO:24;HCDR1)、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25;HCDR2)、EWGDYDGFDF(SEQ ID NO:15;HCDR3)[克隆15G11-DI9];或者
(q)氨基酸序列RASQEISSYLS(SEQ ID NO:21;LCDR1)、AASSLDT(SEQ ID NO:263;LCDR2)、LQYDSTPYT(SEQ ID NO:23;LCDR3)、GFTFSDYSMS(SEQ ID NO:24;HCDR1)、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25;HCDR2)、EWGDYDGFDF(SEQ ID NO:15;HCDR3)[克隆15G11-DI5]。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
(a)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQEISTYLS(SEQ ID NO:261)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSSPLT(SEQ ID NO:262)的LCDR3;
(b)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLDT(SEQ ID NO:263)的LCDR2和LQYDSTPYT(SEQ ID NO:23)的LCDR3;
(c)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYTYYPDSVKG(SEQ ID NO:19)的HCDR2和ELGDYDGFDY(SEQ ID NO:20)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLDS(SEQ ID NO:22)的LCDR2和LQYDSTPYT(SEQ ID NO:23)的LCDR3;
(d)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;
(e)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;
(f)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDH(SEQ ID NO:27)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;
(g)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDGGSYTYYADSVKG(SEQ ID NO:28)的HCDR2和EWGDYDGFDE(SEQ ID NO:29)的HCDR3;并且VL区氨基酸序列包括RASQSISGYLS(SEQ ID NO:30)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPYT(SEQ ID NO:23)的LCDR3;
(h)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDGGSYTYYADNVKG(SEQ ID NO:31)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;或者
(i)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDE(SEQ ID NO:29)的HCDR3;并且VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中所述VH区包括表7或8中的VH区氨基酸序列中的任一个VH区氨基酸序列,并且所述VL区包括表6或8中的VL区氨基酸序列中的任一个VL区氨基酸序列。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
(a)VH区氨基酸序列包括SEQ ID NO:236,并且VL区氨基酸序列包括SEQ ID NO:225;
(b)VH区氨基酸序列包括SEQ ID NO:232,并且VL区氨基酸序列包括SEQ ID NO:221;
(c)VH区氨基酸序列包括SEQ ID NO:253,并且VL区氨基酸序列包括SEQ ID NO:254;
(d)VH区氨基酸序列包括SEQ ID NO:255,并且VL区氨基酸序列包括SEQ ID NO:256;
(e)VH区氨基酸序列包括SEQ ID NO:228,并且VL区氨基酸序列包括SEQ ID NO:217;
(f)VH区氨基酸序列包括SEQ ID NO:229,并且VL区氨基酸序列包括SEQ ID NO:218;
(g)VH区氨基酸序列包括SEQ ID NO:230,并且VL区氨基酸序列包括SEQ ID NO:219;
(h)VH区氨基酸序列包括SEQ ID NO:231,并且VL区氨基酸序列包括SEQ ID NO:220;
(i)VH区氨基酸序列包括SEQ ID NO:233,并且VL区氨基酸序列包括SEQ ID NO:222;
(j)VH区氨基酸序列包括SEQ ID NO:234,并且VL区氨基酸序列包括SEQ ID NO:223;
(k)VH区氨基酸序列包括SEQ ID NO:235,并且VL区氨基酸序列包括SEQ ID NO:224;
(l)VH区氨基酸序列包括SEQ ID NO:237,并且VL区氨基酸序列包括SEQ ID NO:226;或者
(m)VH区氨基酸序列包括SEQ ID NO:238,并且VL区氨基酸序列包括SEQ ID NO:227。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
(a)VH区氨基酸序列与SEQ ID NO:236至少约90%、至少约91%、至少约92%、至少约93%、至少约94%、至少约95%、至少约96%、至少约97%、至少约98%或至少约99%相同,并且VL区氨基酸序列与SEQ ID NO:225至少约90%、至少约91%、至少约92%、至少约93%、至少约94%、至少约95%、至少约96%、至少约97%、至少约98%或至少约99%相同;
(b)VH区氨基酸序列与SEQ ID NO:232至少约90%、至少约91%、至少约92%、至少约93%、至少约94%、至少约95%、至少约96%、至少约97%、至少约98%或至少约99%相同,并且VL区氨基酸序列与SEQ ID NO:221至少约90%、至少约91%、至少约92%、至少约93%、至少约94%、至少约95%、至少约96%、至少约97%、至少约98%或至少约99%相同;
(c)VH区氨基酸序列与SEQ ID NO:253至少约90%、至少约91%、至少约92%、至少约93%、至少约94%、至少约95%、至少约96%、至少约97%、至少约98%或至少约99%相同,并且VL区氨基酸序列与SEQ ID NO:254至少约90%、至少约91%、至少约92%、至少约93%、至少约94%、至少约95%、至少约96%、至少约97%、至少约98%或至少约99%相同;或者
(d)VH区氨基酸序列与SEQ ID NO:255至少约90%、至少约91%、至少约92%、至少约93%、至少约94%、至少约95%、至少约96%、至少约97%、至少约98%或至少约99%相同,并且VL区氨基酸序列与SEQ ID NO:256至少约90%、至少约91%、至少约92%、至少约93%、至少约94%、至少约95%、至少约96%、至少约97%、至少约98%或至少约99%相同。
在一些方面中,可以分离如本文所定义的抗体或抗原结合部分。
如本文所定义的抗体分子或抗原结合部分可以与包括本文所公开的CDR组的抗体或其抗原结合部分交叉竞争与ERBB3结合。在一些实施例中,本发明提供了一种分离的抗ERBB3抗体或其抗原结合部分,其中所述抗体或抗原结合部分与包括本文所公开的CDR组的抗体或抗原结合部分交叉竞争与ERBB3结合;并且(a)包括完全种系人骨架氨基酸序列;和/或(b)在LCDR2中不包括异构化位点;和/或(c)在HCDR2中不包括“DG”异构化位点;和/或(d)在HCDR3中的位置2处不包括氧化位点;和/或和/或(e)与h24C05相比,在其v结构域中表现出的预测的外来人T细胞受体结合肽的数量减少;和/或(f)在其v结构域中不含预测的外来人T细胞受体结合肽。在一些实施例中,抗ERBB3抗体或其抗原结合部分在HCDR3中的位置2(例如,W)处不包括氧化位点。
术语“交叉竞争(cross-compete或cross-competition)”和“交叉阻断(cross-block、cross-blocked或cross-blocking)”在本文中可互换地用于意指抗体或其部分直接或通过变构调节间接干扰本发明的抗ERBB3抗体与靶ERBB3(例如,人ERBB3)结合的能力。可以使用竞争结合测定来确定抗体或其部分能够干扰另一种抗体与靶标结合的程度,并且因此确定是否可以将其说成是根据本发明进行交叉阻断或交叉竞争。结合竞争测定的一个实例是均相时间分辨荧光(HTRF)。一种特别合适的定量交叉竞争测定使用基于FACS或AlphaScreen的方法来测量经过标记的(例如,经过His标记的、经过生物素化的或经过放射性标记的)抗体或其部分和另一种抗体或其部分在其与靶标结合方面之间的竞争。通常,交叉竞争性抗体或其部分是例如这样的抗体或其部分:在交叉竞争测定中将与靶标结合,使得在测定期间并且在存在第二抗体或其部分的情况下,根据本发明的免疫球蛋白单个可变结构域或多肽的所记录替代高达以给定量存在的潜在交叉阻断性抗体或其片段进行的最大理论替代(例如,需要被交叉阻断的冷(例如,未经标记的)抗体或其片段进行的替代)的100%(例如,在基于FACS的竞争测定中)。优选地,交叉竞争性抗体或其部分的所记录替代介于10%与100%之间或介于50%与100%之间。
如本文所定义的抗体分子或抗原结合部分可以包括去除转译后修饰(PTM)位点(例如,糖基化位点(N连接的或O连接的)、脱氨位点、磷酸化位点或异构化/片段化位点)的一种或多种取代、缺失和/或插入。
已知超过350种PTM。PTM的关键形式包含(K和R残基的)磷酸化、糖基化(N连接的和O连接的)、sumo化(sumoylation)、棕榈酰化、乙酰化、硫酸盐化、豆蔻酰化、异戊烯化和甲基化。用于鉴定负责特定PTM的推定的氨基酸位点的统计方法在本领域中是众所周知的(参见Zhou等人,2016,《自然-实验室指南(Nature Protocols)》1:6588-1321)。设想了例如通过取代、缺失和/或插入来去除此类位点,然后任选地(实验上和/或理论上)测试(a)结合活性和/或(b)PTM的丧失。
例如,已经鉴定了24C05鼠LCDR2(如本文所定义,即,氨基酸序列AASTLDS(SEQ IDNO:11))在残基6处具有推定的异构化位点。设想了例如通过取代D(如取代为Q)来去除本发明的LCDR2中的等效位置处的此位点(如例如在表3和4中存在的克隆MH2和其它克隆中)。
在另外一个实例中,已经鉴定了24C05鼠HCDR2(如本文所定义,即,氨基酸序列VSTISDGGTYTYYPDNVKG(SEQ ID NO:5))在残基6(D)处具有推定的异构化位点。设想了例如通过取代G(如取代为S或D)来降低本发明的HCDR2中的等效位置处的此位点的化学修饰风险(如例如在表3和4中存在的克隆15G11和其它克隆中)。
在另外一个实例中,已经鉴定了24C05鼠HCDR3(如本文所定义,即,氨基酸序列EWGDYDGFDY(SEQ ID NO:6))在残基2(W)处具有推定的氧化位点。设想了例如通过取代W(如取代为L或Y)来去除本发明的LCDR1中的等效位置处的此位点(如例如在表3和4中存在的克隆15G11和其它克隆中)。
抗体分子或其抗原结合部分可以是人的、人源化的或嵌合的。
抗体分子或其抗原结合部分可以包括已经插入有CDR的一个或多个人可变结构域骨架支架。例如,VH区、VL区或VH区和VL区两者可以包括一个或多个人骨架区氨基酸序列。
抗体分子或其抗原结合部分可以包括已经插入有对应的HCDR序列的IGHV3-11人种系支架。抗体分子或其抗原结合部分可以包括VH区,所述VH区包括已经插入有一组对应的HCDR1、HCDR2和HCDR3氨基酸序列的IGHV3-11人种系支架氨基酸序列。
抗体分子或其抗原结合部分可以包括已经插入有对应的LCDR序列的IGKV1-39人种系支架。抗体分子或其抗原结合部分可以包括VL区,所述VL区包括已经插入有一组对应的LCDR1、LCDR2和LCDR3氨基酸序列的IGKV1-39人种系支架氨基酸序列。
抗体分子或其抗原结合部分可以包括已经插入有对应的HCDR序列的IGHV3-11人种系支架和已经插入有对应的LCDR序列的IGKV1-39人种系支架。抗体分子或其抗原结合部分可以包括VH区和VL区,所述VH区包括已经插入有一组对应的HCDR1、HCDR2和HCDR3氨基酸序列的IGHV3-11人种系支架氨基酸序列,所述VL区包括已经插入有一组对应的LCDR1、LCDR2和LCDR3氨基酸序列的IGKV1-39人种系支架氨基酸序列。HCDR1、HCDR2、HCDR3、LCDR1、LCDR2和LCDR3氨基酸序列可以是表4中的克隆中的任一个克隆的HCDR1、HCDR2、HCDR3、LCDR1、LCDR2和LCDR3氨基酸序列(其中所有六个CDR序列均来自同一克隆)。
在一些方面中,抗体分子或其抗原结合部分可以包括免疫球蛋白恒定区。在一些实施例中,所述免疫球蛋白恒定区是IgG1、IgG2、IgG3、IgG4、IgA1或IgA2。在另外的实施例中,所述免疫球蛋白恒定区是IgG1、IgG2、IgG3、IgG1无效、IgG4(S228P)、IgA1或IgA2。所述抗体分子或其抗原结合部分可以包括免疫惰性的恒定区。在一些方面中,抗ERBB3抗体或其抗原结合部分可以包括免疫球蛋白恒定区,所述免疫球蛋白恒定区包括野生型人IgG1恒定区、包括氨基酸取代L234A、L235A和G237A的人IgG1恒定区或包括氨基酸取代L234A、L235A、G237A和P331S的人IgG1恒定区。在一些方面中,抗ERBB3抗体或其抗原结合部分可以包括免疫球蛋白恒定区,所述免疫球蛋白恒定区包括野生型人IgG2恒定区或野生型人IgG4恒定区。在一些方面中,抗ERBB3抗体可以包括免疫球蛋白恒定区,所述免疫球蛋白恒定区包括表9中的氨基酸序列中的任一个氨基酸序列。表9中的Fc区序列开始于CH1结构域。在一些方面中,抗ERBB3抗体可以包括免疫球蛋白恒定区,所述免疫球蛋白恒定区包括人IgG4、人IgG4(S228P)、人IgG2、人IgG1、人IgG1-3M或人IgG1-4M的Fc区的氨基酸序列。例如,与野生型人IgG4 Fc区相比,人IgG4(S228P)Fc区包括以下取代:S228P。例如,与野生型人IgG1 Fc区相比,人IgG1-3M Fc区包括以下取代:L234A、L235A和G237A,而与野生型人IgG1 Fc区相比,人IgG1-4M Fc区包括以下取代:L234A、L235A、G237A和P331S。在一些方面中,免疫球蛋白分子的恒定区中的氨基酸残基的位置是根据EU命名法进行编号的(Ward等人,1995《免疫疗法(Therap.Immunol.)》,2:77-94)。在一些方面中,免疫球蛋白恒定区可以包括RDELT(SEQ ID NO:248)基序或REEM(SEQ ID NO:249)基序(在表9中加下划线)。在小于RDELT(SEQID NO:248)同种异型的人群体中存在REEM(SEQ ID NO:249)同种异型。在一些方面中,抗ERBB3抗体可以包括免疫球蛋白恒定区,所述免疫球蛋白恒定区包括SEQ ID NO:239-245中的任一个。在一些方面中,抗ERBB3抗体可以包括表4中的克隆中的任一个克隆的六个CDR氨基酸序列和表9中的Fc区氨基酸序列中的任一个Fc区氨基酸序列。在一些方面中,抗ERBB3抗体可以包括免疫球蛋白重链恒定区和免疫球蛋白轻链恒定区,所述免疫球蛋白重链恒定区包括表9中的Fc区氨基酸序列中的任一个Fc区氨基酸序列,所述免疫球蛋白轻链恒定区是κ轻链恒定区或λ轻链恒定区。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区、轻链可变(VL)区以及重链恒定区,其中
(a)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;VL区氨基酸序列包括RASQEISTYLS(SEQ ID NO:261)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSSPLT(SEQ ID NO:262)的LCDR3;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;
(b)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLDT(SEQ ID NO:263)的LCDR2和LQYDSTPYT(SEQ ID NO:23)的LCDR3;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;
(c)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYTYYPDSVKG(SEQ ID NO:19)的HCDR2和ELGDYDGFDY(SEQ ID NO:20)的HCDR3;VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLDS(SEQ ID NO:22)的LCDR2和LQYDSTPYT(SEQ ID NO:23)的LCDR3;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;
(d)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;
(e)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;
(f)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDH(SEQ ID NO:27)的HCDR3;VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;
(g)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDGGSYTYYADSVKG(SEQ ID NO:28)的HCDR2和EWGDYDGFDE(SEQ ID NO:29)的HCDR3;VL区氨基酸序列包括RASQSISGYLS(SEQ ID NO:30)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPYT(SEQ ID NO:23)的LCDR3;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;
(h)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDGGSYTYYADNVKG(SEQ ID NO:31)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;或者
(i)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDE(SEQ ID NO:29)的HCDR3;VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQ ID NO:18)的LCDR3;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区、轻链可变(VL)区以及重链恒定区,其中
(a)VH区氨基酸序列包括SEQ ID NO:236或由其组成;VL区氨基酸序列包括SEQ IDNO:225或由其组成;并且所述重链恒定区包括野生型人IgG4恒定区、包括氨基酸取代S228P的人IgG4恒定区、野生型人IgG2恒定区;野生型人IgG1恒定区或包括氨基酸取代L234A、L235A和G237A的人IgG1恒定区;
(b)VH区氨基酸序列包括SEQ ID NO:232或由其组成;VL区氨基酸序列包括SEQ IDNO:221或由其组成;并且所述重链恒定区包括野生型人IgG4恒定区、包括氨基酸取代S228P的人IgG4恒定区、野生型人IgG2恒定区;野生型人IgG1恒定区或包括氨基酸取代L234A、L235A和G237A的人IgG1恒定区;
(c)VH区氨基酸序列包括SEQ ID NO:253或由其组成;VL区氨基酸序列包括SEQ IDNO:254或由其组成;并且所述重链恒定区包括野生型人IgG4恒定区、包括氨基酸取代S228P的人IgG4恒定区、野生型人IgG2恒定区;野生型人IgG1恒定区或包括氨基酸取代L234A、L235A和G237A的人IgG1恒定区;或者
(d)VH区氨基酸序列包括SEQ ID NO:255或由其组成;VL区氨基酸序列包括SEQ IDNO:256或由其组成;并且所述重链恒定区包括野生型人IgG4恒定区、包括氨基酸取代S228P的人IgG4恒定区、野生型人IgG2恒定区;野生型人IgG1恒定区或包括氨基酸取代L234A、L235A和G237A的人IgG1恒定区。
在一些方面中,本文公开了一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区、轻链可变(VL)区以及重链恒定区,其中
(a)VH区氨基酸序列包括SEQ ID NO:236或由其组成;VL区氨基酸序列包括SEQ IDNO:225或由其组成;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;
(b)VH区氨基酸序列包括SEQ ID NO:232或由其组成;VL区氨基酸序列包括SEQ IDNO:221或由其组成;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;
(c)VH区氨基酸序列包括SEQ ID NO:253或由其组成;VL区氨基酸序列包括SEQ IDNO:254或由其组成;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个;或者
(d)VH区氨基酸序列包括SEQ ID NO:255或由其组成;VL区氨基酸序列包括SEQ IDNO:256或由其组成;并且所述重链恒定区包括SEQ ID NO:239-245中的任一个。
在一些方面中,抗ERBB3抗体可以是免疫效应子无效的。在一些方面中,抗ERBB3抗体或其抗原结合部分不诱导免疫效应子功能,并且任选地抑制免疫效应子功能。在一些方面中,抗ERBB3抗体可以缺乏与人FcγRI、FcγRIIa、FcγRIIIa和FcγRIIIb受体的可测量结合,但是维持与人FcγRIIb受体的结合,并且任选地维持与人FcRn受体的结合。FcγRI、FcγRIIa、FcγRIIIa和FcγRIIIb是活化性受体的实例。FcγRIIb是抑制性受体的实例。FcRn是再循环性受体的实例。在一些方面中,可以通过分析来测量抗ERBB3抗体或其抗原结合部分对人Fc受体的结合亲和力。在一些方面中,可以使用均相时间分辨荧光(HTRF)来研究抗ERBB3抗体与人Fc受体的结合。在HTRF的一个实例中,对作为全套Fcγ受体的人IgG1(野生型)进行标记,然后在滴定竞争中使用具有经过工程化的Fc片段的抗体。在一些方面中,可以将ERBB3阳性细胞与人白细胞和抗ERBB3抗体混合,并且可以测量CDC、ADCC和/或ADCP引起的细胞杀伤。在一些方面中,包括人IgG1-3M的Fc区的氨基酸序列(参见表9)的抗ERBB3抗体是效应子无效的。在一些方面中,包括人IgG1-3M的Fc区的氨基酸序列(参见表9)的抗ERBB3抗体不是效应子无效的。
抗体分子或其抗原结合部分可以是Fab片段、F(ab)2片段、Fv片段、四聚体抗体、四价抗体、多特异性抗体(例如,双特异性抗体)、结构域特异性抗体、单结构域抗体、单克隆抗体或融合蛋白。在一个实施例中,抗体可以是与第一抗原和第二抗原特异性结合的双特异性抗体,其中所述第一抗原是ERBB3并且所述第二抗原不是ERBB3。在例如Holliger和Hudson(2005,《自然生物技术(Nature Biotechnol.)》23(9):1126-1136)中描述了抗体分子和其构建和使用方法。
在本发明的另一方面中,提供了一种免疫缀合物,所述免疫缀合物包括与治疗剂连接的如本文所定义的本发明的抗体分子或其抗原结合部分。
合适的治疗剂的实例包含细胞毒素、放射性同位素、化学治疗剂、免疫调节剂、抗血管生成剂、抗增殖剂、促凋亡剂、细胞生长抑制酶和细胞溶解酶(例如,RNAse)。另外的治疗剂包含治疗性核酸,如对免疫调节剂、抗血管生成剂、抗增殖剂或促凋亡剂进行编码的基因。这些药物描述语不是互相排斥的,并且因此可以使用一个或多个上述术语来描述治疗剂。
在免疫缀合物中使用的合适的治疗剂的实例包含紫杉烷(taxane)、美登素(maytansine)、CC-1065和倍癌霉素(duocarmycin)、卡利奇霉素(calicheamicin)和其它烯二炔(enediyne)以及澳瑞他汀(auristatin)。其它实例包含抗叶酸类药物(anti-folate)、长春花生物碱(vinca alkaloid)和蒽环类药物(anthracycline)。免疫缀合物中还可以使用植物毒素、其它生物活性蛋白、酶(即,ADEPT)、放射性同位素、光敏剂。另外,可以使用如脂质体或聚合物等二级载剂作为细胞毒性药剂来制备缀合物。合适的细胞毒素包含抑制或阻止细胞功能和/或引起细胞破坏的药剂。代表性细胞毒素包含抗生素、微管蛋白聚合抑制剂、与DNA结合并破坏DNA的烷基化剂以及破坏蛋白质合成或必需细胞蛋白(如蛋白激酶、磷酸酶、拓扑异构酶、酶和周期素)的功能的药剂。
代表性细胞毒素包含但不限于阿霉素(doxorubicin)、道诺霉素(daunorubicin)、伊达比星(idarubicin)、阿柔比星(aclarubicin)、佐柔比星(zorubicin)、米托蒽醌(mitoxantrone)、表柔比星(epirubicin)、卡柔比星(carubicin)、诺加霉素(nogalamycin)、美诺立尔(menogaril)、吡柔比星(pitarubicin)、戊柔比星(valrubicin)、阿糖孢苷(cytarabine)、吉西他滨(gemcitabine)、三氟尿苷(trifluridine)、安西他滨(ancitabine)、依诺他滨(enocitabine)、阿扎胞苷(azacitidine)、去氧氟尿苷(doxifluhdine)、喷司他丁(pentostatin)、溴尿苷(broxuhdine)、卡培他滨(capecitabine)、克拉屈滨(cladhbine)、地西他滨(decitabine)、氟尿苷(floxuhdine)、氟达拉滨(fludarabine)、谷氏菌素(gougerotin)、嘌呤霉素(puromycin)、喃氟啶(tegafur)、噻唑呋林(tiazofuhn)、阿霉素(adhamycin)、顺铂(cisplatin)、卡铂(carboplatin)、环磷酰胺(cyclophosphamide)、达卡巴嗪(dacarbazine)、长春花碱(vinblastine)、长春新碱(vincristine)、米托蒽醌、博来霉素(bleomycin)、氮芥(mechlorethamine)、泼尼松(prednisone)、丙卡巴嗪(procarbazine)、甲氨蝶呤(methotrexate)、氟尿嘧啶(flurouracils)、依托泊苷(etoposide)、紫杉醇(taxol)、紫杉醇类似物、铂(如顺铂和卡铂)、丝裂霉素(mitomycin)、噻替哌(thiotepa)、紫杉烷、长春新碱、道诺霉素、表柔比星、放线菌素(actinomycin)、安曲霉素(authramycin)、重氮丝氨酸(azaserine)、博来霉素、他莫西芬(tamoxifen)、伊达比星、多拉司他汀(dolastatin)/澳瑞他汀、哈米特林(hemiasterlin)、埃斯培拉霉素(esperamicin)和美登醇(maytansinoid)。
合适的免疫调节剂包含阻断激素对肿瘤的作用的抗激素类药物和抑制细胞因子产生、下调自身抗原表达或使MHC抗原隐蔽的免疫抑制剂。
还提供了一种核酸分子,所述核酸分子对如本文所定义的本发明的抗体分子或其抗原结合部分进行编码。核酸分子可以对本文所描述的抗ERBB3抗体或其抗原结合部分的(a)VH区氨基酸序列;(b)VL区氨基酸序列;或(c)VH氨基酸序列和VL区氨基酸序列两者进行编码。在一些方面中,可以分离如本文所定义的核酸分子。
进一步提供了一种载体,所述载体包括如本文所定义的本发明的核酸分子。所述载体可以是表达载体。
还提供了一种宿主细胞,所述宿主细胞包括如本文所定义的本发明的核酸分子或载体。所述宿主细胞可以是重组宿主细胞。
在另外一方面中,提供了一种产生抗ERBB3抗体和/或其抗原结合部分的方法,所述方法包括:将本发明的宿主细胞在引起所述抗体和/或其抗原结合部分的表达和/或产生的条件下培养;以及从所述宿主细胞或培养物中分离所述抗体和/或抗原结合部分。
在本发明的另一方面中,提供了一种药物组合物,所述药物组合物包括如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体。
本发明还提供了一种用于抑制细胞中的ERBB3信号传导的方法,所述方法包括使所述细胞与本文所描述的抗ERBB3抗体分子或其抗原结合部分接触。在一些实施例中,本发明的抗ERBB3抗体分子或抗原结合部分将ERBB3锁定为单体形式。
进一步提供了一种用于增强受试者的免疫应答的方法,所述方法包括向受试者施用有效量的如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的免疫缀合物或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体或如本文所定义的本发明的药物组合物。在一些实施例中,本发明的抗ERBB3抗体分子或抗原结合部分通过抗体效应子功能介导的连接与受试者的免疫细胞连接。
在另外一方面中,提供了一种用于治疗或预防受试者的癌症的方法,所述方法包括向受试者施用有效量的如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的免疫缀合物或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体或如本文所定义的本发明的药物组合物。
例如,所述癌症可以是胃肠道间质癌(GIST)、胰腺癌、黑色素瘤、乳腺癌、肺癌、支气管癌、结肠直肠癌、前列腺癌、胃癌、卵巢癌、膀胱癌、脑或中枢神经系统癌、周围神经系统癌、食道癌、宫颈癌、子宫或子宫内膜癌、口腔癌或咽癌、肝癌、肾癌、睾丸癌、胆道癌、小肠或阑尾癌、唾液腺癌、甲状腺癌、肾上腺癌、骨肉瘤、软骨肉瘤或血液组织癌。
本发明还提供了如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的免疫缀合物或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体或如本文所定义的本发明的药物组合物,其用于治疗癌症。
在另一方面中,本发明提供了如本文所定义的本发明的抗体分子或其抗原结合部分或免疫缀合物或核酸分子或载体以及治疗方法,其用于单独使用、结合第二治疗剂(例如,抗癌剂)依次或同时使用。
在另外一方面中,提供了如本文所定义的本发明的抗体分子或其抗原结合部分或如本文所定义的本发明的免疫缀合物或如本文所定义的本发明的核酸分子或如本文所定义的本发明的载体或如本文所定义的本发明的药物组合物在制造用于治疗癌症的药剂中的用途。
本发明还提供了一种用于治疗或预防受试者的自身免疫性疾病或炎性疾病的方法,所述方法包括向所述受试者施用有效量的如本文所定义的抗体分子或其抗原结合部分或如此处所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物。
例如,所述自身免疫性疾病或炎性疾病可以是关节炎、哮喘、多发性硬化症、牛皮癣、克罗恩氏病、炎性肠病、狼疮、格雷夫氏病和桥本氏甲状腺炎或强直性脊柱炎。
还提供了如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物,其用于治疗自身免疫性疾病或炎性疾病。
进一步提供了如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物在制造用于治疗自身免疫性疾病或炎性疾病的药剂中的用途。
本发明还提供了一种用于治疗或预防受试者的心血管疾病或纤维化疾病的方法,所述方法包括向受试者施用有效量的如本文所定义的抗体分子或其抗原结合部分或如此处所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物。
还提供了如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物,其用于治疗心血管疾病或纤维化疾病。
进一步提供了如本文所定义的抗体分子或其抗原结合部分或如本文所定义的免疫缀合物或如本文所定义的核酸分子或如本文所定义的载体或如本文所定义的药物组合物在制造用于治疗心血管疾病或纤维化疾病的药剂中的用途。
在本发明的任何方面中,心血管疾病可以例如是冠心病或动脉粥样硬化。
例如,在本发明的任何方面中,纤维化疾病可以是心肌梗塞、心绞痛、骨关节炎、肺纤维化、哮喘、囊性纤维化或支气管炎。
在一个实施例中,本发明提供了一种包括本文所公开的氨基酸序列的抗ERBB3抗体或其抗原结合部分,其用于进行治疗。
本发明的药物组合物可以包括药学上可接受的赋形剂、载剂或稀释剂。药学上可接受的赋形剂可以是进入药物组合物中的化合物或化合物组合,所述化合物或化合物组合不会引起二级反应,并且允许例如促进抗ERBB3抗体分子的施用、增加其寿命和/或其在体内的功效或增加其在溶液中的溶解度。这些药学上可接受的媒剂是众所周知的,并且将由本领域的技术人员根据抗ERBB3抗体分子的施用模式进行调整。
在一些实施例中,抗ERBB3抗体分子可以以冻干形式提供,以在施用前复原。例如,冻干的抗体分子可以在施用于个体之前在无菌水中复原并与盐水混合。
抗ERBB3抗体分子通常将以药物组合物的形式施用,所述药物组合物除了抗体分子之外还可以包括至少一种组分。因此,药物组合物除了抗ERBB3抗体分子之外还可以包括药学上可接受的赋形剂、载剂、缓冲剂、稳定剂或本领域的技术人员众所周知的其它材料。此类材料应是无毒的,并且不应干扰抗ERBB3抗体分子的功效。载剂或其它材料的确切性质将取决于施用途径,施用可以通过推注、输注、注射或任何其它合适的途径进行,如下文所讨论的。
对于例如通过注射进行的肠胃外施用,例如,皮下或静脉内施用,包括抗ERBB3抗体分子的药物组合物可以采用不含热原且具有合适的pH、等渗性和稳定性的肠胃外可接受的水溶液的形式。本领域的相关技术人员完全能够使用例如等渗媒剂(如氯化钠注射液、林格氏注射液(Ringer's Injection)、乳酸化林格氏注射液)制备合适的溶液。可以根据需要使用防腐剂、稳定剂、缓冲剂、抗氧化剂和/或其它添加剂,包含缓冲剂,如磷酸盐、柠檬酸盐和其它有机酸;抗氧化剂,如抗坏血酸和蛋氨酸;防腐剂(如氯化十八烷基二甲基苄基铵;氯化六甲铵;苯扎氯銨;苄索氯铵;苯酚、丁醇或苯甲醇;对羟苯甲酸烷基酯,如对羟苯甲酸甲酯或丙酯;邻苯二酚;间苯二酚;环己醇;3'-戊醇;以及间甲酚);低分子量多肽;蛋白质,如血清白蛋白、明胶或免疫球蛋白;亲水性聚合物,如聚乙烯吡咯烷酮;氨基酸,如甘氨酸、谷氨酰胺、天冬酰胺、组氨酸、精氨酸或赖氨酸;单糖、二糖和其它碳水化合物,包含葡萄糖、甘露糖或葡聚糖;螯合剂,如EDTA;糖,如蔗糖、甘露醇、海藻糖或山梨糖醇;成盐反离子,如钠;金属络合物(例如,Zn蛋白质络合物);和/或非离子型表面活性剂,如TWEENTM、PLURONICSTM或聚乙二醇(PEG)。
根据要治疗的病状,包括抗ERBB3抗体分子的药物组合物可以单独使用或结合其它治疗同时或依次施用。
如本文所描述的抗ERBB3抗体分子可以在人或动物体的治疗方法中使用,包含预防性(prophylactic或preventative)治疗(例如,在个体的病状发作之前进行以降低个体发生病状的风险、延缓其发作或在发作后减轻其严重程度的治疗)。治疗方法可以包括向有需要的个体施用抗ERBB3抗体分子。
施用通常地以“治疗有效量”进行,所述治疗有效量足以显示对患者的益处。这种益处可以是至少改善至少一种症状。实际施用量以及施用率和施用时程将取决于所治疗疾病的性质和严重程度、所治疗的特定哺乳动物、个体患者的临床病状、病症的原因、组合物的递送部位、施用方法、施用时间安排以及执业医师已知的其它因素。治疗处方(例如,关于剂量等的决定)由全科医生和其它医师负责,并且可以取决于症状的严重程度和/或所治疗疾病的进展。抗体分子的适当剂量在本领域中是众所周知的(Ledermann J.A.等人,1991,《国际癌症杂志(Int.J.Cancer)》47:659-664;Bagshawe K.D.等人,1991,《抗体、免疫缀合物和放射性药物(Antibody,Immunoconjugates and Radiopharmaceuticals)》4:915-922)。可以使用在本文中或在《医师案头参考(Physician's Desk Reference)》(2003)中指示的针对所施用药剂的类型的具体剂量。抗体分子的治疗有效量或合适剂量可以通过在动物模型中比较其体外活性和体内活性来确定。用于将小鼠和其它试验动物中的有效剂量外推至人的方法是已知的。确切剂量将取决于许多因素,包含抗体是用于预防还是用于治疗、要治疗区域的大小和位置、抗体的确切性质(例如,完整抗体、片段)以及与抗体连接的任何可检测标记物或其它分子的性质。
对于全身性应用,典型的抗体剂量范围为100μg到1g,并且对于局部应用,典型的抗体剂量范围为1μg到1mg。可以在开始时施用较高的负荷剂量,然后施用一个或多个较低的剂量。通常,抗体将是完整抗体,例如,IgG1、IgG1无效或IgG4同种型。这是用于成年患者的单次治疗的剂量,所述剂量可以针对儿童和婴儿按比例调整,并且还可以针对其它抗体形式与分子量成比例地调整。根据医生的判断,可以以每天一次、每周两次、每周一次或每月一次的间隔重复治疗。个体的治疗时间表可以取决于抗体组合物的药代动力学和药效学性质、施用途径和所治疗病状的性质。
治疗可以是周期性的,并且施用之间的时段可以是约两周或更长时间,例如,约三周或更长时间、约四周或更长时间、约每月或更长时间一次、约五周或更长时间或约六周或更长时间。例如,可以每两周到四周或每四周到八周进行治疗。可以在外科手术之前和/或之后给予治疗,和/或可以在外科手术治疗或有创手术的解剖部位处直接施用或施加治疗。上文描述了合适的调配物和施用途径。
在一些实施例中,本文所描述的抗ERBB3抗体分子可以以皮下注射剂的形式施用。例如对于长期或短期预防/治疗,可以使用自动注射器施用皮下注射剂。
在一些实施例中,抗ERBB3抗体分子的治疗效果可以在血清中持续抗体半衰期的数倍,这取决于剂量。例如,抗ERBB3抗体分子的单个剂量的治疗效果可以在个体中持续1个月或更长时间、2个月或更长时间、3个月或更长时间、4个月或更长时间、5个月或更长时间或6个月或更长时间。
本发明还提供了一种用于产生与人ERBB3并且任选地还与恒河猴ERBB3特异性结合的抗体分子或其抗原结合部分的方法,所述方法包括以下步骤:
(1)将来自非人来源的抗ERBB3 CDR移植到人v结构域骨架中,以产生人源化抗ERBB3抗体分子或其抗原结合部分;
(2)产生所述人源化抗ERBB3抗体分子或其抗原结合部分的包括所述CDR中的一种或多种突变的克隆的噬菌体文库;
(3)针对与人ERBB3并且任选地还与恒河猴ERBB3的结合选择所述噬菌体文库;
(4)筛选来自选择步骤(3)的对人ERBB3并且任选地还对恒河猴ERBB3具有结合特异性的克隆;以及
(5)由选自步骤(4)的克隆产生与人ERBB3并且任选地还与恒河猴ERBB3特异性结合的抗体分子或其抗原结合部分。
所述方法可以包括另外一个步骤:基于在步骤(4)中选择的克隆(例如,基于在步骤(4)中选择的克隆的CDR中的特定位置处的另外的探索性诱变)产生另外的克隆,以增强人源化和/或最小化人T细胞表位含量和/或改善步骤(5)中产生的抗体分子或其抗原结合部分中的制造性质。
适用于上述方法的细化如下文实例1所述。
如本文所使用的,术语“ERBB3”是指保留ERBB3的至少部分生物活性的ERBB3蛋白及其变体。如本文所使用的,ERBB3包含天然序列ERBB3的所有哺乳动物物种,包含人、大鼠、小鼠和鸡。术语“ERBB3”用于包含人ERBB3的变体、亚型和物种同源物。本发明的抗体可以与来自除了人之外的物种的ERBB3,特别是来自恒河猴(普通猕猴)的ERBB3交叉反应。表10中提供了人和恒河猴ERBB3氨基酸序列的实例。在某些实施例中,抗体可以对人ERBB3具有完全特异性,并且可以不表现出非人交叉反应性。
如本文所使用的,在本发明的抗体或“抗ERBB3拮抗剂抗体”(可互换地称为“抗ERBB3抗体”)的上下文中使用的“拮抗剂”是指能够结合ERBB3并抑制ERBB3生物活性和/或由ERBB3信号传导介导的一个或多个下游途径的抗体。抗ERBB3拮抗剂抗体涵盖可以(包含显著地)阻断、拮抗、抑制或降低ERBB3生物活性(包含由ERBB3信号传导(如受体结合和/或诱发对ERBB3的细胞应答)介导的下游途径)的抗体。出于本发明的目的,将明确理解的是,术语“抗ERBB3拮抗剂抗体”涵盖ERBB3本身和ERBB3生物活性或活性或生物活性的后果在任何有意义的程度上都基本上无效、减少或中和的所有术语、标题和功能状态和特性。
如果抗体相比于其与其它受体结合以更大的亲和力、亲合力、更容易地和/或以更长的持续时间结合,则所述抗体与ERBB3“特异性结合”、“特异性相互作用”、“优先结合”、“结合”或“相互作用”。
“抗体分子”是能够通过位于免疫球蛋白分子的可变区中的至少一个抗原识别位点来与靶标(如碳水化合物、多核苷酸、脂质、多肽等)特异性结合的免疫球蛋白分子。如本文所使用的,术语“抗体分子”不仅涵盖完整的多克隆抗体或单克隆抗体,而且还涵盖任何抗原结合片段(例如,“抗原结合部分”)或其单链、包括抗体的融合蛋白以及包括抗原识别位点的免疫球蛋白分子的任何其它经修饰构型,包含例如但不限于scFv、单结构域抗体(例如,鲨鱼抗体和骆驼抗体)、大抗体、微型抗体、胞内抗体、双功能抗体、三功能抗体、四功能抗体、v-NAR和双-scFv。
“抗体分子”涵盖任何类的抗体,如IgG、IgA或IgM(或其亚类),并且抗体不需要属于任何特定类。根据重链的恒定区的抗体氨基酸序列,可以将免疫球蛋白归为不同类。存在五大类免疫球蛋白:IgA、IgD、IgE、IgG和IgM,并且这些类中的几类可以进一步分为亚类(同种型),例如,IgG1、IgG2、IgG3、IgG4、IgA1和IgA2。对应于不同类免疫球蛋白的重链恒定区分别被称为α、δ、ε、γ和μ。不同类免疫球蛋白的亚基结构和三维构型是众所周知的。
如本文所使用的,术语抗体分子的“抗原结合部分”是指完整抗体的保留与ERBB3特异性结合的能力的一个或多个抗体片段。抗体分子的抗原结合功能可以由完整抗体的片段执行。涵盖在抗体分子的术语“抗原结合部分”内的结合片段的实例包含Fab;Fab';F(ab')2;由VH结构域和CH1结构域组成的Fd片段;由抗体的单臂的VL和VH结构域组成的Fv片段;单结构域抗体(dAb)片段和分离的互补决定区(CDR)。
术语“Fc区”用于定义免疫球蛋白重链的C端区。“Fc区”可以是天然序列Fc区或变体Fc区。尽管免疫球蛋白重链的Fc区的边界可以变化,但通常将人IgG重链Fc区定义为从位置Cys226处的氨基酸残基或从Pro230延伸到其羧基端。Fc区中的残基的编号为如Kabat中的EU索引的编号。免疫球蛋白的Fc区通常包括两个恒定结构域CH2和CH3。如本领域中已知的,Fc区可以以二聚体形式或单体形式存在。
抗体的“可变区”是指抗体轻链的可变区或抗体重链的可变区中的任一者或两者。如本领域中已知的,重链和轻链的可变区各自由通过三个互补决定区(CDR)(也被称为高变区)连接的四个骨架区(FR)组成,并有助于形成抗体的抗原结合位点。当选择位于CDR侧翼的FR时,例如,当人源化或优化抗体时,来自含有同一规范类的CDR序列的抗体的FR是优选的。
本申请中使用的CDR定义组合了在本领域中已经创建的许多不同的、经常是冲突的方案中使用的结构域,所述方案基于免疫球蛋白库分析和在分离方面和抗体与抗原的共晶体方面对抗体进行的结构分析的组合(参见Swindells等人的评论,2016,abYsis:整合的抗体序列和结构管理、分析和预测(abYsis:Integrated Antibody Sequence andStructure-Management,Analysis,and Prediction)《分子生物学期刊(J Mol Biol)》[PMID:27561707;电子公开2016年8月22日])。本文所使用的CDR定义(“统一”定义)结合了所有此类现有洞悉的经验教训,并包含对潜在介导靶结合互补性的完整残基景观(landscape)进行采样所需的所有适当环位置。
表1示出了如本文所定义的24C05鼠抗ERBB3抗体CDR的氨基酸序列(“统一”方案)与用于定义相同CDR的众所周知的替代性系统的比较。
如本文所使用的术语“保守取代”是指将一个氨基酸用不会显著有害地改变功能活性的另一氨基酸替代。“保守取代”的优选实例是将一个氨基酸用在以下BLOSUM 62取代矩阵中的值≥0的另一氨基酸替代(参见Henikoff和Henikoff,1992,《美国国家科学院院刊》89:10915-10919):
术语“单克隆抗体”(Mab)是指源自单个拷贝或克隆(包含例如任何真核、原核或噬菌体克隆)的抗体或其抗原结合部分,而不是用于产生单克隆抗体的方法。优选地,本发明的单克隆抗体存在于同质或基本上同质的群体中。
“人源化”抗体分子是指作为含有源自非人免疫球蛋白的最小序列的嵌合免疫球蛋白、免疫球蛋白链或其片段(如Fv、Fab、Fab'、F(ab')2或抗体的其它抗原结合亚序列)的非人(例如,鼠)抗体分子或其抗原结合部分的某种形式。人源化抗体可以是来自接受者的CDR的残基被来自如小鼠、大鼠或兔等具有期望特异性、亲和力和能力的非人物种(供体抗体)的CDR的残基替代的人免疫球蛋白(接受者抗体)。
“人抗体或完全人抗体”是指源自携带人抗体基因的转基因小鼠或人细胞的抗体分子或其抗原结合部分。
术语“嵌合抗体”旨在指代可变区序列源自一个物种并且恒定区序列源自另一个物种的抗体分子或其抗原结合部分,如可变区序列源自小鼠抗体并且恒定区序列源自人抗体的抗体分子。
“抗体-药物缀合物”和“免疫缀合物”是指与细胞毒素剂、细胞抑制剂和/或治疗剂缀合的抗体分子或其抗原结合部分,包含与ERBB3结合的抗体衍生物。
本发明的抗体分子或其抗原结合部分可以使用本领域众所周知的技术来产生,例如,重组技术、噬菌体展示技术、合成技术或此类技术的组合或本领域中熟知的其它技术。
术语“分离的分子”(其中分子是例如多肽、多核苷酸或抗体)是这样的分子,所述分子由于其衍生起源或来源而:(1)与在所述分子的天然状态下伴随所述分子的天然缔合的组分不缔合,(2)基本上不含来自同一物种的其它分子,(3)由来自不同物种的细胞表达或(4)在自然界中不存在。因此,化学合成的或在不同于天然来源细胞的细胞系统中表达的分子将与其天然缔合的组分“分离”。还可以通过使用本领域中众所周知的纯化技术进行的分离使分子基本不含天然缔合的组分。分子纯度或同质性可以通过本领域中众所周知的多种手段来测定。例如,可以使用聚丙烯酰胺凝胶电泳并且使用本领域中众所周知的技术将凝胶染色以使多肽可视化,从而测定多肽样品的纯度。为了某些目的,可以通过使用HPLC或本领域众所周知的其它纯化手段来提供更高分辨率。
术语“表位”是指分子的能够由抗体分子或其抗原结合部分识别并在抗体分子的抗原结合区中的一个或多个抗原结合区处结合的部分。表位可以由一级、二级或三级蛋白质结构的限定区组成,并且包含由抗体的抗原结合区或其抗原结合部分识别的靶标的二级结构单元或结构域的组合。表位可以同样由如氨基酸或糖侧链等分子的限定的化学活性表面分组组成,并且具有特异性三维结构特征以及特异性电荷特性。如本文所使用的术语“抗原表位”定义为多肽的抗体分子可以特异性结合(如通过本领域中众所周知的任何方法所测定的,例如通过常规免疫测定、抗体竞争性结合测定或通过x射线晶体学或相关的结构测定方法(例如,NMR)测定的)的一部分。
术语“结合亲和力”或“KD”是指特定抗原-抗体相互作用的解离速率。KD是解离速率(也被称为“脱离速率(off-rate)(koff)”)与缔合速率或“结合速率(on-rate)(kon)”之比。因此,KD等于koff/kon,并表示为摩尔浓度(M)。因此,KD越小,结合亲和力越强。因此,与1nM的KD相比,1μM的KD指示弱结合亲和力。可以使用本领域中既定的方法来确定抗体的KD值。一种用于确定抗体的KD的方法是使用表面等离子体共振(SPR),通常使用生物传感器系统,如系统来确定。
术语“效力”是生物活性的量度,并且可以被指定为IC50或有效抑制在如本文所描述的ERBB3活性测定中测量的50%活性的抗体或抗体药物缀合物相对于抗原ERBB3的浓度。
如本文所使用的短语“有效量”或“治疗有效量”是指实现期望治疗结果所需的量(按剂量,针对时间段以及针对施用方式)。有效量至少是对受试者赋予治疗益处所需的活性剂的最小量,但小于毒性量。
本文中关于本发明的抗体分子的生物活性所使用的术语“抑制”或“中和”意指抗体基本上拮抗、禁止、阻止、抑制、减慢、破坏、消除、停止、减少或逆转例如被抑制的疾病的进展或严重程度的能力,包含但不限于抗体分子相对于ERBB3的生物活性或结合相互作用。
“宿主细胞”包含可以是或已经是用于掺入多核苷酸插入的一个或多个载体的接受者的单个细胞或细胞培养物。宿主细胞包含单个宿主细胞的后代,并且由于天然的、偶然的或故意的突变,后代(在形态学上或基因组DNA互补物上)可能不一定与原始亲本细胞完全相同。宿主细胞包含用本发明的一种或多种多核苷酸体内转染的细胞。
如本文所使用的,“载体”意指能够在宿主细胞中递送并且优选地表达一个或多个所关注的基因或序列的构建体。载体的实例包含但不限于病毒载体、裸DNA或RNA表达载体、质粒、粘粒或噬菌体载体、与阳离子缩合剂缔合的DNA或RNA表达载体、包封在脂质体中的DNA或RNA表达载体以及某些真核细胞,如生产细胞。
除非另有指示,否则本文所使用的术语“治疗”意指逆转此类术语所适用的病症或病状或此类病症或病状的一种或多种症状、使其缓解、抑制其进展、延迟其进展、延迟其发作或使其得到预防。除非另有指示,否则本文所使用的术语“治疗”是指如上文所定义的治疗动作。术语“治疗”还包含受试者的辅助和新辅助治疗。为避免疑义,本文中对“治疗”的提及包含对治愈性、缓解性和预防性治疗的提及。为避免疑义,本文中对“治疗”的多次提及还包含对治愈性、缓解性和预防性治疗的多次提及。
应理解的是,当在本文中无论何处用语言“包括”来描述实施例时,还提供了根据“由……组成”和/或“主要由……组成”描述的在其它方面类似实施例。
在根据马库什(Markush)组或其它替代方案分组来描述本发明的方面或实施例的情况下,本发明不仅涵盖整体列出的整个组,而且还涵盖所述组的单独的每个成员和主组的所有可能子组,也涵盖缺少组成员中的一或多个组成员的主组。本发明还设想明确地排除所要求保护的发明中的组成员中的任何组成员中的一或多个组成员。
除非另外定义,否则本文中使用的所有技术术语和科学术语的含义与本发明所属领域的普通技术人员通常理解的含义相同。在发生冲突的情况下,应以本说明书(包含定义)为准。贯穿本说明书和权利要求书,词语“包括(comprise)”或如“包括(comprises)”或“包括(comprising)”等变体应当被理解为暗示包含所陈述整数或整数组,但不排除任何其它整数或整数组。除非上下文另外要求,否则单数术语应包含复数含义,并且复数术语应包含单数含义。术语“例如(e.g.或for example)”之后的任何一或多个实例并不意味着穷举或限制。
除非另有指示,否则本发明的实践将采用在本领域技术范围内的常规分子生物学(包含重组技术)、微生物学、细胞生物学、生物化学和免疫学技术。
现在将参考附图描述本发明的特定非限制性实施例。
实例1:产生经过优化的抗ERBB3治疗性抗体
介绍
在此实例中,成功产生了一组经过优化的拮抗性抗ERBB3抗体。这些抗ERBB3抗体良好表达、生物物理上稳定、高度可溶并且与优选的人种系具有最高的氨基酸序列同一性。
材料和方法
ERBB3文库产生和选择
通过大规模寡核苷酸合成和PCR组装ERBB3 Fab诱变库。此文库被设计成对序列有所不同的所有位置处的种系人CDR残基或鼠CDR残基进行采样,而且还对例如HCDR1和HCDR3中的关键所选CDR位置处的除了半胱氨酸之外的所有氨基酸进行采样。然后,将经过扩增的Fab库通过限制-连接克隆到噬菌粒载体中,转化到大肠杆菌TG-1细胞中,并且基本上如先前详细描述的那样拯救噬菌体库(Finlay等人,2011,《分子生物学方法(Methods MolBiol.)》681:383-401)。
通过以下来进行噬菌体选择:用经过生物素化的ERBB3靶蛋白(人或恒河猴)涂覆链霉亲和素磁性微珠,将珠粒用PBS洗涤三次并重悬于pH为7.4的PBS加上5%脱脂乳蛋白中。在第1轮选择中,将这些珠粒以100nM靶蛋白涂覆,之后在随后的三轮中降低抗原浓度。在每一轮中,在重新感染到TG1细胞中之前,使用胰蛋白酶洗脱噬菌体。
周质提取物产生(小规模)
在单独的大肠杆菌克隆中产生可溶性Fab。用异丙基1-硫-β-D-吡喃半乳糖苷诱导对数生长期的大肠杆菌TG1细胞。通过冷冻/解冻循环产生含有可溶性Fab的周质提取物:将细菌细胞团粒在-20℃下冷冻过夜,然后在室温下解冻,并重悬于pH为7.4的PBS中。在室温下振荡并离心后收集含有可溶性Fab的上清液。
IgG表达和纯化
将对前导组抗ERBB3抗体的重链和轻链可变结构域连同m24C05和h24C05进行编码的哺乳动物密码子优化的合成基因克隆到分别包括IgG1无效(“IgG1无效”;在下部铰链中含有消除正常的免疫球蛋白Fc效应子功能的L234A、L235A、G237A突变的人IgG1)或IgG1和人Cκ结构域的哺乳动物表达载体中。将含重链和轻链载体共转染到哺乳动物表达系统中,然后对IgG进行基于蛋白质A的纯化,在变性和非变性SDS-PAGE上进行定量和QC。
Fab和IgG的直接结合ELISA
初始地,通过结合ELISA评估前导组与重组蛋白的结合和交叉反应性。将人ERBB3人Fc标记的重组蛋白和恒河猴ERBB3人Fc标记的重组蛋白以1μg/ml涂覆到MaxiSorpTM平底96孔板的表面上。以两倍连续稀释从500nM到0.008nM滴定经过纯化的IgG样品,并允许其与经过涂覆的抗原结合。使用小鼠抗c-myc抗体,然后使用与辣根过氧化物酶缀合的驴抗小鼠IgG来检测Fab。使用与辣根过氧化物酶缀合的小鼠抗人IgG来检测IgG。用3,3',5,5'-四甲基联苯胺底物溶液(TMB)使结合信号可视化,并在450nm下测量吸光度。
IgG1无效无效抗体的Alphascreen表位竞争测定
在384孔白色微量滴定板(葛莱娜公司(Greiner))中以25μl的最终体积进行AlphaScreen测定(珀金埃尔默公司(Perkin Elmer))。反应缓冲液含有pH为7.3的1x PBS(Oxoid公司(Oxoid),目录号BR0014G)和0.05%(v/v)20(西格玛公司(Sigma),目录号P9416)。以三倍连续稀释以100nM的最终浓度开始滴定经过纯化的IgG样品,并在室温下与最终浓度为1nM的经过生物素化的人ERBB3-His(Acrobiosystems公司(Acrobiosystems))一起温育20分钟。添加亲本IgG和抗人IgG1受体珠,并将混合物在室温下温育1小时。随后添加链霉亲和素供体珠,并在室温下温育30分钟。在EnVision多标签读板器(珀金埃尔默公司)中测量光的发射,并使用EnVision管理器软件进行分析。将值报告为每秒计数(CPS),并针对串扰进行校正。
在3000(GE)上用含抗原溶液通过SPR确定经过纯化的IgG的亲和力(KD)。针对两个通道,按照向导说明,使用胺偶联在pH为4.5的乙酸盐缓冲液中将小鼠抗人抗体(CH1特异性)固定在CM5传感器芯片上,达到2000RU的水平。一个通道用于背景信号校正。使用pH为7.4的标准运行缓冲液HBS-EP。通过以20微升/分钟单次注射pH为1.5的10μl 10mM甘氨酸进行再生。以30微升/分钟以50nM注射IgG样品,持续2分钟,然后是60秒的解离速率。以30微升/分钟以两倍连续稀释从3nM到0.2nM注射单体抗原(经过His标记的人ERBB3或经过His标记的恒河猴ERBB3),持续2分钟,然后是300秒的解离速率。使用3000评估(BIA评估)软件分析获得的传感图。通过相对于1:1Langmuir结合模型同时拟合缔合相和解离相来计算KD。
IgG的流式细胞术
在FAC中测试经过纯化的IgG与在瞬时转染的HEK-293细胞和HEK-293野生型细胞上表达的人和恒河猴ERBB3的结合。以三倍连续稀释从500nM到0.008nM滴定IgG样品。用与FITC缀合的小鼠抗人IgG检测IgG的结合。通过在流式细胞仪(AttuneTMNxT声波聚焦细胞仪,英杰公司(Invitrogen)/赛默飞世尔科技公司(ThermoFisher Scientific))的BL-1通道检测器中检查每样品10000个细胞的平均荧光强度(MFI)来分析结果。在GraphPad Prism软件(加利福尼亚州拉贺亚市的GraphPad软件公司(GraphPad Software,La Jolla,CA))中使用MFI值和4个参数来计算EC50值。
抗体v结构域T细胞表位含量:计算机分析
使用基于鉴定T细胞表位在治疗性抗体和蛋白质中的位置的计算机技术(Abzena有限公司(Abzena,Ltd.))来评估抗体v结构域中的潜在免疫原性。使用iTopeTM来分析与人MHC II类具有杂乱高亲和力结合的肽的关键前导的VL和VH区序列。杂乱高亲和力MHC II类结合性肽被认为与T细胞表位的存在相关,所述T细胞表位是药物蛋白质的临床免疫原性的高风险指示。iTopeTM软件预测肽的氨基酸侧链与34个人MHC II类等位基因的开放端结合凹槽内的特定结合袋(具体地袋位置;p1、p4、p6、p7和p9)之间的有利相互作用。这些等位基因表示世界上最常见的HLA-DR等位基因,而在任何特定种族群体中最普遍存在的等位基因不占任何权重。所述等位基因中有二十个等位基因含有“开放式”p1构型,并且14个含有“封闭式”构型,其中位置83处的甘氨酸被缬氨酸替代。关键结合残基的位置是通过在计算机中产生与跨越测试蛋白质序列重叠八个氨基酸的9mer肽来实现的。此过程以高准确度成功地区分与MHC II类分子结合或不与其结合的肽。
此外,使用TCEDTM(T Cell Epitope DatabaseTM)来搜索与先前通过其它蛋白质序列的体外人T细胞表位作图分析鉴定的T细胞表位的匹配来分析所述序列。TCEDTM用于在由源自不相关的蛋白质和抗体序列肽构成的大型(>10,000个肽)数据库中搜索任何测试序列。
结果和讨论
CDR移植到优选的人种系v基因上
初始地,使用CDR移植将拮抗性鼠抗ERBB3 IgG 24C05(24C05;参见WO2011136911A2和表2)的CDR引入到人种系免疫球蛋白v结构域骨架序列支架中。为了使工程努力偏向于具有最佳的药物样性质的最终领先的治疗性IgG化合物,选择将亲本抗体的CDR移植到“优选的”种系支架IGHV3-11和IGKV1-39上,已知所述种系支架具有良好溶解性、高物理稳定性并在经过表达的人抗体库中高频率使用。
在表2中概述了这些支架和所移植CDR的定义。尽管此CDR移植过程是众所周知的,但是预测给定的一组人v结构域序列是否将充当非人CDR移植的合适受体骨架仍然是个问题。使用不合适的骨架可能导致靶结合功能丧失、蛋白质稳定性问题或者甚至最终IgG的表达受损。因此,后来将IGHV3-11/IGKV1-39移植物作为CDR诱变和选择经过改进的克隆的模板。
文库产生和筛选
将经过CDR移植的IGKV1-39/IGHV3-11 v结构域序列组合成Fab噬菌体展示形式,并通过寡核苷酸合成和组装产生诱变文库盒。将最终的Fab文库连接到噬菌体展示载体中,并通过电穿孔转化到大肠杆菌中,以产生1.2×109个独立的克隆。通过跨两个v结构域对96个克隆进行测序来验证文库构建质量。此测序数据表明,已经以约50%的频率对编码每个变化位置处的鼠或人种系残基的位置进行了有效采样并且旨在编码所有氨基酸的位置表现出完全覆盖。使用辅助噬菌体M13拯救文库,并在多个独立的分支中选择经过生物素化的人和恒河猴ERBB3-Fc蛋白。
选择后筛选和DNA测序表明,存在658个人和恒河猴ERBB3结合性Fab克隆,所述人和恒河猴ERBB3结合性Fab克隆在ELISA(图1A)中表现出与人和恒河猴ERBB3的强结合并且在Alphascreen测定(图1B)中对24C05 IgG1无效与人ERBB3的结合的抑制作用>50%。在这658个克隆中,骨架序列保持完全种系,而在所有CDR中还观察到人源化突变(表3)。基于CDR种系化水平相对于与人和恒河猴ERBB3-Fc两者的结合的ELISA和Alphascreen信号对前导克隆进行排名。然后,将来自此排名的前9个克隆的v结构域亚克隆到IgG表达载体中,以进行如下的进一步测试(表4)。
虽然在直接源自文库选择的前导克隆的所有CDR中都观察到了种系化突变,但仍然可能的是,序列分析可能将进一步的克隆设计成具有最大程度人源化。因此,将具有针对人和恒河猴蛋白质的结合信号的658个序列独特的命中用于分析此功能表征群体的CDR中鼠氨基酸的保留频率。将位置氨基酸保留频率表示为在VL结构域和VH结构域中存在的百分比(分别地,图2A和B)。在一系列组合设计中,将RF<75%的鼠残基视为可能不是靶结合互补位所必需的并且可能对种系化开放的位置(表4)。在这种高亲和力起始克隆的令人惊讶的发现中,发现仅少数鼠残基被高度阳性选择。实际上,HCDR1和HCDR2中的9个鼠残基中仅3个表现出高于75%的保留频率(图2A)。此分析强有力地表明,可以使HCDR3外部的VH序列的种系同一性非常接近IGHV3-11的种系同一性。在VL结构域中,源自h24C05序列的10个鼠CDR残基中只有4个以>75%的频率保留(图3A)。
对含有RF>75%的那些鼠残基与在前导克隆群体中被大量地选择的那些鼠残基的组合的设计赋予前缀“MH”(MH=最大程度人源化)。总共产生了5个MH克隆。另外,产生了一个“TTP”(TTP=总理论上可能的)克隆,所述克隆组合了在高功能性、表位竞争性Fab筛选中发现的6个人源化程度最高的CDR序列。通过基因合成产生MH、TTP和文库源性克隆v结构域(表4)并且将其(连同对照抗体)克隆到人表达载体中以便以IgG1无效形式产生。所有IgG均容易表达且易于从哺乳动物细胞的瞬时转染纯化。
前导IgG特异性和效力特性
然后,以直接滴定ELISA形式测试上文所描述的经过纯化的IgG与人和恒河猴ERBB3的结合(图3A和B)。此分析表明,大多数文库源性和设计(MH)克隆保留了对人和/或恒河猴ERBB3的结合活性,所述结合活性与h24C05 IgG1无效的结合活性相当或相对于后者有所提高。
建立Alphascreen测定,以测试IgG和h24C05 IgG在与经过生物素化的单体人ERBB3结合方面的表位竞争。在此测定中,更有效地区分表现最好的文库源性和设计IgG。虽然所有克隆均表现出完全浓度依赖性中和作用,并且大多数克隆相比h24C05对h24C05表位表现出相当或提高的竞争(图4),但有些克隆表现出的表位竞争效力较低,包含MH1。
对所有IgG与溶液相单体人和恒河猴ERBB3蛋白的结合亲和力进行分析。在所有情况下,均获得了具有低Chi2值的准确的1:1结合亲和力(表5)。这些分析表明,在Fab和IgG ELISA和Alphascreen测定中始终产生最高EC50和IC50值的文库源性克隆显示出与人和恒河猴ERBB3的最高亲和力结合(表5)。重要的是,这些亲和力提高在恒河猴结合中得以重演,其中这些克隆中的大多数克隆表现出的亲和力在人ERBB3亲和力的3倍之内。人与恒河猴靶直系同源物之间小于4倍的亲和力差异在临床前药物开发分析中高度有益,因为它们可以允许对例如猴安全性、PK和PD建模实验进行显著更好的设计和解释。
另外,对MH和TTP克隆的亲和力的比较证实了LCDR1在维持结合亲和力方面的影响,因为相比克隆MH5,所述CDR中的位置11处的残基的突变“S>N”导致克隆TTP对人ERBB3的KD损失约2倍(表5)。对克隆MH2和MH3的比较还证实,相比克隆MH2,MH3中的HCDR1残基8的突变(A到S)和HCDR2残基10的突变(Y到T)也导致对人和恒河猴ERBB3的结合亲和力降低约3倍(表5)。
上文概述的发现证实,多个克隆可以保留h24C05的高结合亲和力(在pM范围内)、表位特异性和物种交叉反应性,同时在VH和VL结构域中仅保留最小的非种系氨基酸含量(不包含不存在对应种系的HCDR3)。VH结构域的这种接近完全的种系化显著降低了在人中的免疫原性潜力。另外,在多个克隆中观察到的种系化突变使得h24C05的鼠CDR中存在的若干氨基酸降解基序得以去除或改善,所述基序对于抗体分子的制造和临床开发质量来说是一种已知风险:通过突变为Q去除了LCDR2位置6(D)处的推定的异构化风险,HCDR2位置6和7中的“DG”天冬氨酸异构化基序被转化为低风险基序“DS”,并且通过突变为Y或L去除了HCDR3位置2(W)处的推定的氧化风险。这些一级序列改善不可能先验地预测,并且在抗体治疗剂的制造和临床开发两者中具有直接后果,因为它们全都是潜在的稳定性风险基序,从而导致内在产物异质性。这种风险基序可能导致成本高昂的开发问题,其中必须进行多个过程修饰以最大化完整抗体产量并最小化产物异质性。降解基序也是临床开发风险,因为体内的抗体分解加速会降低分子的半衰期和效力。
在细胞膜处的前导IgG结合特异性的流式细胞术分析
通过流式细胞术分析ERBB3抗体在细胞表面处的浓度依赖性结合。用人或恒河猴ERBB3全长cDNA瞬时转染HEK-293细胞。然后,在500-0.008nM的浓度范围内全以IgG1无效形式测试所有抗ERBB3 IgG和同种型对照物与人(图5A)和恒河猴(图5B)转染的细胞的结合。除了同种型对照物之外,所有IgG均显示出与人和恒河猴ERBB3+细胞的强浓度依赖性结合,其中在每种情况下,最大MFI均比观察到的IgG1同种型对照物的背景信号高20倍以上。
抗体v结构域T细胞表位分析
将基于鉴定T细胞表位在治疗性抗体和蛋白质中的位置的计算机技术(Abzena有限公司)用于评估h24C05和前导抗体15G11 v结构域两者的免疫原性。用重叠的9mer肽(其中每个肽与最后一个肽重叠8个残基)分析v-结构域序列,针对34种MHC II类同种异型中的每一种对所述肽进行测试。基于潜在的“拟合”以及与MHC II类分子的相互作用对每个9mer进行评分。通过软件计算的肽得分介于0与1之间。突出显示产生高平均结合得分(在iTopeTM评分功能中,>0.55)的肽,并且如果>50%的MHC II类结合性肽(即,34个等位基因中的17个)具有高结合亲和力(得分>0.6),则此类肽被定义为是被视为有高风险含有CD4+T细胞表位的“高亲和力”MHC II类结合性肽。低亲和力MHC II类结合性肽与大量(>50%)等位基因结合,其中结合得分>0.55(但并不是多数>0.6)。使用TCEDTM对序列进行进一步分析。将序列用于通过BLAST搜索来查询TCEDTM,以便鉴定来自在Abzena有限公司进行的先前体外T细胞表位作图研究中刺激T细胞应答的无关蛋白质/抗体的肽(T细胞表位)之间的任何高序列同源性。
将肽分为以下四类:高亲和力外来(“HAF”-高免疫原性风险)、低亲和力外来(“LAF”-低免疫原性风险)、TCED+(先前在TCED数据库中鉴定的表位)和种系表位(“GE”-具有高MHC II类结合亲和力的人种系肽序列)。由于T细胞耐受性,种系表位9mer肽不太可能具有免疫原性潜力,这已经通过使用广泛的种系肽进行的研究得以验证。重要的是,这种种系v结构域表位(进一步由人抗体恒定区中的类似序列辅助)还竞争在抗原呈递细胞的膜处进行MHC II类占据,从而降低外来肽呈递足以达到T细胞刺激所需的“活化阈值”的风险。因此,高GE含量是抗体治疗剂的临床开发中的一种有益特性。
此分析表明,尽管在关键前导15G11的CDR中用人种系等同物替代了若干个鼠残基,但是与h24C05相比,Townsend等人的方法尚未产生肽表位含量的显著有益变化(图6A、图6B)。相反,虽然15G11的GE含量(11)相比h24C05的GE含量(10)有所提高,但15G11的免疫原性风险出乎意料地增加,而不是降低,因为其不仅含有2个新的LAF表位,而且还在HCDR-1中获得了高风险的TCED+LAF。由于两种抗体的v结构域骨架区(即,CDR序列外部)的序列均是种系的(表2),因此预测的15G11的免疫原性的所有变化都归因于CDR残基的种系化。
由于Townsend等人的方法未能使前导克隆15G11的效力或免疫原性风险相对于h24C05的效力或免疫原性风险有所改善,因此检查了CDR中的另外的非人种系诱变的潜力。考虑到二级和三级蛋白质结构以及氨基酸侧链与蛋白质的核之间的潜在相互作用,特定氨基酸变化的选择受可获得的生物物理数据和生物化学数据的影响,例如,对亲本15G11序列的修饰的限制。此外,氨基酸变化的选择受在人库中的任何给定位置处的任何特定氨基酸的出现频率的影响。因此,目的是避免引入在给定位置处从未出现并且更可能对结构产生不利影响的氨基酸。在任何时候都未考虑氨基酸半胱氨酸,以避免引入未配对的半胱氨酸残基,所述引入可能潜在地导致聚集问题。单独对每个表位进行分析,以鉴定将去除或减少杂乱MHC II类结合的残基,并且随后在整个15G11序列的背景下分析所提出的表位变体,以确保不会在相邻区中引入新型潜在表位。已经观察到在功能选择的CDR序列群体中耐受的突变的使用价值增加(表3)。将此过程应用于四个关键的预测表位。
表位1是已鉴定的最高风险(TCED+)表位,并且与VH CDR1部分重叠(图7A)。如此,在此区内进行任何取代都可能潜在地影响与抗原的结合。通过iTopeTM分析,此区由一个在Y32(Kabat编号)处具有p1锚的T细胞表位组成。仅评估了骨架2的有限数量的变化,因为此区在抗体之间高度保守,其中若干个残基在形成VH:VL界面中起作用。与骨架区相反,CDR显示出更大的序列多样性,但是与VH CDR3相比,VH CDR1和2的这种多样性的显著性小得多。在VH CDR1区内,观察到,对于多个给定位置,若干氨基酸取代能够完全消除潜在的T细胞表位结合。然而,在许多情况下,在所述给定位置中几乎从未观察到这些氨基酸,并且因此将这些氨基酸丢弃。在图7A中展示了所提出的序列变化。优先考虑此肽的两种表位烧蚀变体:YSMSWIRQA(SED ID NO:250)和YGMSWVRQA(SEQ ID NO:251)(在两种情况下,突变均带有下划线)。第一突变G>S可能潜在地烧蚀TCED+表位,而第二突变I>V可能潜在地使肽序列成为GE。
表位2主要位于VL CDR1内,并且如此,在此区内进行任何取代都可能潜在地影响与抗原的结合。通过iTopeTM分析,此区由一个在I29处具有p1锚的潜在T细胞表位组成。骨架2的变化保持最少,因为此区在抗体之间高度保守,其中若干个残基在形成VH:VL界面中起作用。与骨架区相反,CDR显示出更大的序列多样性,但是相比VH,VL的这种多样性的显著性小得多,并且相比VL CDR3,VL CDR1和2的这种多样性的显著性小得多。在VL CDR1区内,观察到,对于多个给定位置,若干种氨基酸取代能够完全消除潜在的T细胞表位结合。然而,在许多情况下,在所述给定位置中几乎从未观察到这些氨基酸,并且因此将这些氨基酸丢弃。在图7B中展示了所提出的序列变化。
表位3与VL CDR2部分重叠,并且如此,在此区内进行任何突变都可能潜在地影响与抗原的结合。通过iTopeTM分析,此区由一个在I48处具有p1锚的潜在T细胞表位组成。骨架2的变化保持最少,因为此区在抗体之间高度保守。与骨架区相反,CDR显示出更大的序列多样性,但是相比VH CDR,VL CDR的这种多样性的显著性小得多。从iTopeTM分析中观察到,核心9-mer内几乎所有位置处的大多数氨基酸取代都是有害的,在几乎所有取代的情况下都观察到结合增加。鉴定出有限数量的氨基酸取代消除了潜在T细胞表位结合,然而,在所述给定位置中几乎从未观察到这些氨基酸,并且因此将这些氨基酸丢弃。在图7C中展示了所提出的序列变化。重要的是,在所述分析中,由于此区中的许多变化都可能有害,因此检查了LCDR-2中的所选完整CDR变体(表3和表4)的TCR表位风险。令人惊讶地,发现LCDR-2序列AASTLQS(SEQ ID NO:26)完全烧蚀了此表位以及h24C05中的类似高风险HAF表位(IYAASTLDS(SEQ ID NO:252))的HAF肽风险。因此,此CDR序列优先包含在新变体子集中。
表位4完全位于VL CDR3内,并且如此,在此区内进行任何取代都可能潜在地影响与抗原的结合。通过iTopeTM分析,此区由一个在L89处具有p1锚的潜在T细胞表位组成。未考虑骨架变化。与骨架区相反,CDR表现出更大的序列多样性,尤其是对于CDR3而言,并且因此以发生为基础,未丢弃此区中的氨基酸取代。观察到若干个单一氨基酸取代部分消除了两个潜在T细胞表位的结合。在图7D中展示了对表位4有影响的所提出的单一氨基酸取代变化。
由于每个表位中都存在要采样的多种潜在变体,因此设计了15G11的11种新变体,以试图找到可以保留效力但产生完全去免疫的克隆的理想组合。对于这15种IgG,表6中示出了VL v结构域序列,表7中示出了VH结构域。在进行如下功能测试之前,将这些IgG克隆并以IgG1形式表达。
15G11-DI变体-IgG特异性和效力特性
首先,通过ELISA检查“DI”变体IgG 15G11-DI1-11在人(图8A)和恒河猴(图8B)ErbB3上的结合特性。针对人和恒河猴ErbB3两者,除了15G11-DI11之外的所有克隆均表现出强靶结合,其中结合曲线与m24C05和h24C05的结合曲线重叠。
由于ELISA结合受亲和力效应的强烈影响,因此随后进行了高灵敏度溶液相Alphascreen竞争测定,以同时检查与h24C05的靶结合亲和力和表位竞争保留率(图9)。在此测定中,除了15G11-DI11之外的所有IgG均显示出对h24C05与人ErbB3的完全浓度依赖性抑制作用,其中效力总体上与h24C05的效力相当或相对于后者有所提高(图9)。IgG m24C05和h24C05表现出的IC50值分别为0.16nM和1.25nM,这与表5中所示的这两种IgG之间的亲和力值差异相关。例外情况是15G11-DI3、15G11-DI4、15G11-DI10和15G11-DI11,其效力似乎低于h24C05的效力。
在与人和恒河猴ErbB3的结合的流式细胞术分析中(图10A、B),所有克隆均显示出完全饱和的重叠结合曲线。克隆15G11-DI5、15G11-DI6、15G11-DI7、15G11-DI8和15G11-DI9表现出与人和恒河猴ErbB3的最高结合,与m24C05和h24C05的结合大致相当。
用于治疗用途的CDR工程化抗体的关键可开发性因素是缺乏“多反应性”。多反应性对任何抗体的药代动力学和安全品质来说是一种显著的风险。为确保去免疫的前导抗体没有风险,在已建立的多反应结合ELISA测定中针对dsDNA和人胰岛素对所述抗体进行了检查(Avery等人,《单克隆抗体(mAbs)》,2018)。在此测定中测试的大多数IgG(除了15G11-DI10之外)未显示出多反应性结合的迹象,因为它们表现出的信号低于风险截止值10,并且等于或低于阴性对照临床上成功的抗体贝伐单抗和优特克单抗的信号(图11)。阳性对照抗体博科西单抗和布雷奴单抗在这些测定中表现出预期的强信号。
为确定在关键的去免疫的前导中是否保留了ErbB3抑制作用的完全生物效力,在DiscoverXPathHuntereXpress ErbB2-ErbB3功能测定中在宽浓度范围下对所有克隆15G11、16B09、15G11-DI5、15G11-DI6、15G11-DI7、15G11-DI8和15G11-DI9进行了分析(图12A-G)。这些分析表明,克隆15G11(图12A)、16B09(图12B)、15G11-DI5(图12C)和15G11-DI6(图12D)全都对m24C05和h24C05两者维持了几乎相同的效力。克隆15G11-DI7(图12E)和15G11-DI8(图12F)表现出稍微降低的效力。对于15G11-DI9,其数据的曲线拟合不可靠(图12C),因此重复了实验并改善了拟合,其中15G11-DI9还对h24C05和m24C05显示出几乎相同的效力,这由重叠的应答曲线所证明(图13)。
对于这些去免疫的关键前导,再次检查了TCR表位含量(图14A-图14E),并且这表明,与h24C05和15G11表现出的免疫原性风险相比,克隆15G11-DI8和15G11-DI9表现出的免疫原性风险显著降低,其中出乎意料地,相比h24C05,初始种系化过程的风险实际上有所增加(图6A、图6B)。实际上,发现克隆15G11-DI9是完全惰性的,根本不含预测的外来TCR表位,并且仅含有大量GE肽(11)。
本文概述的组合分析表明,令人惊讶的是,对这些抗体的CDR中的种系和非种系氨基酸两者进行深度采样允许同时优化多个最终分子中的靶结合特异性、免疫原性风险、效力、生物物理稳定性和化学稳定性风险。这些发现还表明,使用Townsend等人(2015;《美国国家科学院院刊》112:15354-15359)的方法无法实现此处所描述的有益的去免疫效果。
尽管已经参考优选实施例或示例性实施例描述了本发明,但是本领域的技术人员将认识到,在不脱离本发明的精神和范围的情况下,可以对本发明进行各种修改和变化,并且本文中清楚地设想到了此类修改。既不旨在对本文所公开的和在所附权利要求中阐述的具体实施例进行限制,也不应推断出任何限制。
既不旨在对本文所公开的和在所附权利要求中阐述的具体实施例进行限制,也不应推断出任何限制。本文所引用的所有文档或文档部分,包含但不限于专利、专利申请、文章、书籍和论文,特此明确地出于任何目的通过引用整体并入。如果所并入文档或文档部分中的一个或多个定义的术语与本申请中所述术语的定义相矛盾,则以本申请中出现的定义为准。然而,对本文所引用的任何参考文献、文章、出版物、专利、专利出版物和专利申请的提及不并且不应当被视为对其构成有效的现有技术或形成世界上任何国家的公知常识的一部分的承认或任何形式暗示。
表1.此处所定义的24C05抗ERBB3 CDR的氨基酸序列(“统一”方案)与替代性定义的比较。
表2.h24C05抗ERBB3 v结构域和人种系CDR移植物的氨基酸序列。
1用于基于IMGT系统进行移植的人种系定义。2CDR残基以粗体加下划线表示。如上所述,本稿件中使用的“统一”CDR定义是相比于经典Kabat定义的扩展定义。上文的每个序列按以下顺序示出骨架区(FR)和CDR:FR1-CDR1-FR2-CDR2-FR3-CDR3-FR4。3移植物在骨架区中是完全种系的,用作CDR突变文库构建的模板。
表3.来自658个独特的抗ERBB3 v结构域的独特CDR的氨基酸序列。
表4.独特的文库源性和设计人/恒河猴交叉反应性抗ERBB3 IgG的CDR的氨基酸序列。
表6.独特的去免疫的抗ERBB3 IgG的VL结构域的氨基酸序列。
表7.独特的去免疫的抗ERBB3 IgG的VH结构域的氨基酸序列。
表8.抗体可变区氨基酸序列的实例。
抗体15G11-DI9重链可变(VH)区
QVQLVESGGGLVKPGGSLRLSCAASGFTFSDYSMSWIRQAPGKGLEWVSTISDSGTYTYYPDSVKGRFTISRDNAKNSLYLQMNSLRAEDTAVYYCAREWGDYDGFDFWGQGTLVTVSS(SEQ ID NO:236)
抗体15G11-DI9轻链可变(VL)区
DIQMTQSPSSLSASVGDRVTITCRASQEISTYLSWYQQKPGKAPKLLIYAASTLQSGVPSRFSGSGSGTDFTLTISSLQPEDFATYYCLQYDSSPLTFGGGTKVEIK(SEQ ID NO:225)
抗体15G11-DI5重链可变(VH)区
QVQLVESGGGLVKPGGSLRLSCAASGFTFSDYSMSWIRQAPGKGLEWVSTISDSGTYTYYPDSVKGRFTISRDNAKNSLYLQMNSLRAEDTAVYYCAREWGDYDGFDFWGQGTLVTVSS(SEQ ID NO:232)
抗体15G11-DI5轻链可变(VL)区
DIQMTQSPSSLSASVGDRVTITCRASQEISSYLSWYQQKPGKAPKLLIYAASSLDTGVPSRFSGSGSGTDFTLTISSLQPEDFATYYCLQYDSTPYTFGGGTKVEIK(SEQ ID NO:221)
抗体15G11重链可变(VH)区
QVQLVESGGGLVKPGGSLRLSCAASGFTFSDYGMSWIRQAPGKGLEWVSTISDSGSYTYYPDSVKGRFTISRDNAKNSLYLQMNSLRAEDTAVYYCARELGDYDGFDYWGQGTLVTVSS(SEQ ID NO:253)
抗体15G11轻链可变(VL)区
DIQMTQSPSSLSASVGDRVTITCRASQEISSYLSWYQQKPGKAPKLLIYAASSLDSGVPSRFSGSGSGTDFTLTISSLQPEDFATYYCLQYDSTPYTFGGGTKVEIK(SEQ ID NO:254)
抗体16B09重链可变(VH)区
QVQLVESGGGLVKPGGSLRLSCAASGFTFSDYSMSWIRQAPGKGLEWVSTISDSGTYTYYPDSVKGRFTISRDNAKNSLYLQMNSLRAEDTAVYYCAREWGDYDGFDFWGQGTLVTVSS(SEQ ID NO:255)
抗体16B09轻链可变(VL)区
DIQMTQSPSSLSASVGDRVTITCRASQEISSYLSWYQQKPGKAPKLLIYAASTLQSGVPSRFSGSGSGTDFTLTISSLQPEDFATYYCLQYDSTPLTFGGGTKVEIK(SEQ ID NO:256)
表9.抗体Fc区氨基酸序列的实例。
人IgG4野生型
ASTKGPSVFPLAPCSRSTSESTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTKTYTCNVDHKPSNTKVDKRVESKYGPPCPSCPAPEFLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSQED PEVQFNWYVDGVEVHNAKTKPREEQFNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISKAKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRWQEGNVFSCSVMHEALHNHYTQKSLSLSLGK(SEQ ID NO:239)
人IgG4(S228P)
ASTKGPSVFPLAPCSRSTSESTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTKTYTCNVDHKPSNTKVDKRVESKYGPPCPPCPAPEFLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSQED PEVQFNWYVDGVEVHNAKTKPREEQFNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISKAKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRWQEGNVFSCSVMHEALHNHYTQKSLSLSLGK(SEQ ID NO:240)
人IgG1野生型
ASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK(SEQ ID NO:241)人IgG1-3M
ASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPEAAGAPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK(SEQ ID NO:242)人IgG2野生型
ASTKGPSVFPLAPCSRSTSESTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSNFGTQTYTCNVDHKPSNTKVDKTVERKCCVECPPCPAPPVAGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVQFNWYVDGVEVHNAKTKPREEQFNSTFRVVSVLTVVHQDWLNGKEYKCKVSNKGLPAPIEKTISKTKGQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDISVEWESNGQPENNYKTTPPMLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK(SEQ ID NO:243)
人IgG1野生型“REEM”同种异型
ASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK(SEQ ID NO:244)人IgG1-3M“REEM”同种异型
ASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPEAAGAPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK(SEQ ID NO:245)
表10.ERBB3蛋白氨基酸序列的实例。
人ERBB3序列
MRANDALQVLGLLFSLARGSEVGNSQAVCPGTLNGLSVTGDAENQYQTLYKLYERCEVVMGNLEIVLTGHNADLSFLQWIREVTGYVLVAMNEFSTLPLPNLRVVRGTQVYDGKFAIFVMLNYNTNSSHALRQLRLTQLTEILSGGVYIEKNDKLCHMDTIDWRDIVRDRDAEIVVKDNGRSCPPCHEVCKGRCWGPGSEDCQTLTKTICAPQCNGHCFGPNPNQCCHDECAGGCSGPQDTDCFACRHFNDSGACVPRCPQPLVYNKLTFQLEPNPHTKYQYGGVCVASCPHNFVVDQTSCVRACPPDKMEVDKNGLKMCEPCGGLCPKACEGTGSGSRFQTVDSSNIDGFVNCTKILGNLDFLITGLNGDPWHKIPALDPEKLNVFRTVREITGYLNIQSWPPHMHNFSVFSNLTTIGGRSLYNRGFSLLIMKNLNVTSLGFRSLKEISAGRIYISANRQLCYHHSLNWTKVLRGPTEERLDIKHNRPRRDCVAEGKVCDPLCSSGGCWGPGPGQCLSCRNYSRGGVCVTHCNFLNGEPREFAHEAECFSCHPECQPMEGTATCNGSGSDTCAQCAHFRDGPHCVSSCPHGVLGAKGPIYKYPDVQNECRPCHENCTQGCKGPELQDCLGQTLVLIGKTHLTMALTVIAGLVVIFMMLGGTFLYWRGRRIQNKRAMRRYLERGESIEPLDPSEKANKVLARIFKETELRKLKVLGSGVFGTVHKGVWIPEGESIKIPVCIKVIEDKSGRQSFQAVTDHMLAIGSLDHAHIVRLLGLCPGSSLQLVTQYLPLGSLLDHVRQHRGALGPQLLLNWGVQIAKGMYYLEEHGMVHRNLAARNVLLKSPSQVQVADFGVADLLPPDDKQLLYSEAKTPIKWMALESIHFGKYTHQSDVWSYGVTVWELMTFGAEPYAGLRLAEVPDLLEKGERLAQPQICTIDVYMVMVKCWMIDENIRPTFKELANEFTRMARDPPRYLVIKRESGPGIAPGPEPHGLTNKKLEEVELEPELDLDLDLEAEEDNLATTTLGSALSLPVGTLNRPRGSQSLLSPSSGYMPMNQGNLGESCQESAVSGSSERCPRPVSLHPMPRGCLASESSEGHVTGSEAELQEKVSMCRSRSRSRSPRPRGDSAYHSQRHSLLTPVTPLSPPGLEEEDVNGYVMPDTHLKGTPSSREGTLSSVGLSSVLGTEEEDEDEEYEYMNRRRRHSPPHPPRPSSLEELGYEYMDVGSDLSASLGSTQSCPLHPVPIMPTAGTTPDEDYEYMNRQRDGGGPGGDYAAMGACPASEQGYEEMRAFQGPGHQAPHVHYARLKTLRSLEATDSAFDNPDYWHSRLFPKANAQRT(SEQ ID NO:246)
恒河猴ERBB3序列
MRANGALQVLGLLFNLARGSEVGNSQAVCPGTLNGLSVTGDAENQYQTLYKLYERCEVVMGNLEIVLTGHNADLSFLQWIREVTGYVLVAMNEFSTLPLPNLRVVRGTQVYDGKFAIFVMLNYNTNSSHALRQLRLTQLTEILSGGVYIEKNDKLCHMDTIDWKDIVRDQDAEIVVKDNGRSCPLCHEVCKGRCWGPGPEDCQTLTKTICAPQCNGHCFGPNPNQCCHDECAGGCSGPQDTDCFACRHFNDSGACVPRCPQPLVYNKLTFQLEPNPHTKYQYGGVCVASCPHNFVVDQTSCVRACPPDKMEVDKNGLKMCEPCGGLCPKACEGTGSGSRFQTVDSSNIDGFVNCTKILGNLDFLITGLNGDPWHKIPALDPEKLNVFRTVREITGYLNIQSWPPHMYNFSVFSNLTTIGGRSLYNRGFSLLIMKNLNVTSLGFRSLKEISAGRIYISANRQLCYHHSLNWTKVLRGPTEERLDIKHNRPRRDCVAEGKVCDPLCSSGGCWGPGPGQCLSCRNYSRGGVCVTHCNFLNGEPREFAHEAECFSCHPECQPMEGTATCNGSGSDTCAQCAHFRDGPHCVSSCPHGVLGAKGPIYKYPDVQNECRPCHENCTQGCKGPELQDCLGQTLVLIGKTHLTMALTVIAGLVVIFMMLGGTFLYWRGRRIQNKRAMRRYLERGESIEPLDPSEKANKVLARIFKETELRKLKVLGSGVFGTVHKGVWIPEGESIKIPVCIKIIEDKSGRQSFQAVTDHMLAIGSLDHAHIVRLLGLCPGSSLQLVTQYLPLGSLLDHVRQHRGALGPQLLLNWGVQIAKGMYYLEEHGMVHRNLAARNVLLKSPSQVQVADFGVADLLPPDDKQLLYSEAKTPIKWMALESIHFGKYTHQSDVWSYGVTVWELMTFGAEPYAGLRLAEVPDLLEKGERLAQPQICTIDVYMVMVKCWMIDENIRPTFKELANEFTRMARDPPRYLVIKRESGPGIAPGPEPHGLTNKKLEEVELEPELDLDLDLEAEEDNLATTTLGSALSLPVGTLNRPRGSQSLLSPSSGYMPMNQGNLGEACQESAVSGSSEWCPRPVSLHPMPRGCLASESSEGHVTGSEAELQEKVSTCRSRSRSRSPRPRGDSAYHSQRHSLLTPVTPLSPPGLEEEDVNGYVMPDTHLKGTPSSREGTLSSVGLSSVLGTEEEDEDEEYEYMNRRRRHSPPRPPRPSSLEELGYEYMDVGSDLSASLGSTQSCPLHPVPVMPTAGTTPDEDYEYMNRQRGGSGPGGDYAAMGACPASEQGYEEMRAFQGPGHQAPHVHYAHLKTLRSLEATDSAFDNPDYWHSRLFPKANAQRT(SEQ ID NO:247)
序列表
<110> ULTRAHUMAN THIRTEEN有限公司(ULTRAHUMAN THIRTEEN LIMITED)
<120> ERBB3结合剂
<130> ULTH-001/01WO 332956-2002
<150> GB 1804094.9
<151> 2018-03-14
<160> 263
<170> PatentIn版本3.5
<210> 1
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Gly或任何其它氨基酸
<400> 1
Gly Phe Thr Phe Ser Asp Tyr Xaa Met Ser
1 5 10
<210> 2
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<220>
<221> misc_feature
<222> (7)..(7)
<223> Xaa是Gly或任何其它氨基酸
<220>
<221> misc_feature
<222> (9)..(9)
<223> Xaa是Thr或Thr的保守取代
<220>
<221> misc_feature
<222> (10)..(10)
<223> Xaa是Tyr或任何其它氨基酸
<220>
<221> misc_feature
<222> (11)..(11)
<223> Xaa是Thr或任何其它氨基酸
<220>
<221> misc_feature
<222> (14)..(14)
<223> Xaa是Pro或任何其它氨基酸
<220>
<221> misc_feature
<222> (16)..(16)
<223> Xaa是Asn或Asn的保守取代
<400> 2
Val Ser Thr Ile Ser Asp Xaa Gly Xaa Xaa Xaa Tyr Tyr Xaa Asp Xaa
1 5 10 15
Val Lys Gly
<210> 3
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<220>
<221> misc_feature
<222> (1)..(1)
<223> Xaa是Glu或任何其它氨基酸
<220>
<221> misc_feature
<222> (2)..(2)
<223> Xaa是Trp或任何其它氨基酸
<220>
<221> misc_feature
<222> (5)..(5)
<223> Xaa是Tyr或任何其它氨基酸
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Phe或任何其它氨基酸
<220>
<221> misc_feature
<222> (10)..(10)
<223> Xaa是Tyr或任何其它氨基酸
<400> 3
Xaa Xaa Gly Asp Xaa Asp Gly Xaa Asp Xaa
1 5 10
<210> 4
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 24C05鼠/人源化抗体HCDR1
<400> 4
Gly Phe Thr Phe Ser Asp Tyr Ala Met Ser
1 5 10
<210> 5
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 24C05鼠/人源化抗体HCDR2
<400> 5
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 6
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 24C05鼠/人源化抗体HCDR3
<400> 6
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 7
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<220>
<221> misc_feature
<222> (5)..(5)
<223> Xaa是Glu或任何其它氨基酸
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Gly或Gly的保守取代
<220>
<221> misc_feature
<222> (11)..(11)
<223> Xaa是Ser或Ser的保守取代
<400> 7
Arg Ala Ser Gln Xaa Ile Ser Xaa Tyr Leu Xaa
1 5 10
<210> 8
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<220>
<221> misc_feature
<222> (1)..(1)
<223> Xaa是Ala或任何其它氨基酸
<220>
<221> misc_feature
<222> (4)..(4)
<223> Xaa是Thr或Thr的保守取代
<220>
<221> misc_feature
<222> (6)..(6)
<223> Xaa是Asp或任何其它氨基酸
<400> 8
Xaa Ala Ser Xaa Leu Xaa Ser
1 5
<210> 9
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<220>
<221> misc_feature
<222> (1)..(1)
<223> Xaa是Leu或任何其它氨基酸
<220>
<221> misc_feature
<222> (3)..(3)
<223> Xaa是Tyr或任何其它氨基酸
<220>
<221> misc_feature
<222> (4)..(4)
<223> Xaa是Asp或任何其它氨基酸
<220>
<221> misc_feature
<222> (6)..(6)
<223> Xaa是Tyr或任何其它氨基酸
<220>
<221> misc_feature
<222> (7)..(7)
<223> Xaa是Pro或任何其它氨基酸
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Tyr或任何其它氨基酸
<400> 9
Xaa Gln Xaa Xaa Ser Xaa Xaa Xaa Thr
1 5
<210> 10
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 24C05鼠/人源化抗体LCDR1
<400> 10
Arg Ala Ser Gln Glu Ile Ser Gly Tyr Leu Ser
1 5 10
<210> 11
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 24C05鼠/人源化抗体LCDR2
<400> 11
Ala Ala Ser Thr Leu Asp Ser
1 5
<210> 12
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 24C05鼠/人源化抗体LCDR3
<400> 12
Leu Gln Tyr Asp Ser Tyr Pro Tyr Thr
1 5
<210> 13
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 13
Gly Phe Thr Phe Ser Asp Tyr Gly Met Ser
1 5 10
<210> 14
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 14
Val Ser Thr Ile Ser Asp Ser Gly Ser Tyr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 15
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 15
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Phe
1 5 10
<210> 16
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 16
Arg Ala Ser Gln Ser Ile Ser Ser Tyr Leu Ser
1 5 10
<210> 17
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<400> 17
Ala Ala Ser Ser Leu Gln Ser
1 5
<210> 18
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 18
Leu Gln Tyr Asp Ser Thr Pro Leu Thr
1 5
<210> 19
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 19
Val Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 20
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 20
Glu Leu Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 21
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 21
Arg Ala Ser Gln Glu Ile Ser Ser Tyr Leu Ser
1 5 10
<210> 22
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<400> 22
Ala Ala Ser Ser Leu Asp Ser
1 5
<210> 23
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 23
Leu Gln Tyr Asp Ser Thr Pro Tyr Thr
1 5
<210> 24
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 24
Gly Phe Thr Phe Ser Asp Tyr Ser Met Ser
1 5 10
<210> 25
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 25
Val Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 26
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<400> 26
Ala Ala Ser Thr Leu Gln Ser
1 5
<210> 27
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 27
Glu Trp Gly Asp Tyr Asp Gly Phe Asp His
1 5 10
<210> 28
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 28
Val Ser Thr Ile Ser Asp Gly Gly Ser Tyr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 29
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 29
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Glu
1 5 10
<210> 30
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 30
Arg Ala Ser Gln Ser Ile Ser Gly Tyr Leu Ser
1 5 10
<210> 31
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 31
Val Ser Thr Ile Ser Asp Gly Gly Ser Tyr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 32
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分共有LCDR1
<400> 32
Arg Ala Ser Gln Glu Ile Ser Gly Tyr Leu Ser
1 5 10
<210> 33
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分共有LCDR2
<400> 33
Ala Ala Ser Thr Leu Asp Ser
1 5
<210> 34
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分共有LCDR3
<400> 34
Leu Gln Tyr Asp Ser Tyr Pro Tyr Thr
1 5
<210> 35
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分共有HCDR1
<400> 35
Gly Phe Thr Phe Ser Asp Tyr Ala Met Ser
1 5 10
<210> 36
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分共有HCDR2
<400> 36
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 37
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分共有HCDR3
<400> 37
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 38
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Glu、Gly、His、Asn、Arg、Ser、Thr、Gln或Val
<400> 38
Gly Phe Thr Phe Ser Asp Tyr Xaa Met Ser
1 5 10
<210> 39
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<220>
<221> misc_feature
<222> (7)..(7)
<223> Xaa是Gly、Ser或Asp
<220>
<221> misc_feature
<222> (9)..(9)
<223> Xaa是Thr或Ser
<220>
<221> misc_feature
<222> (10)..(10)
<223> Xaa是Tyr或Thr
<220>
<221> misc_feature
<222> (11)..(11)
<223> Xaa是Thr或Ile
<220>
<221> misc_feature
<222> (14)..(14)
<223> Xaa是Pro或Ala
<220>
<221> misc_feature
<222> (16)..(16)
<223> Xaa是Asn或Ser
<400> 39
Val Ser Thr Ile Ser Asp Xaa Gly Xaa Xaa Xaa Tyr Tyr Xaa Asp Xaa
1 5 10 15
Val Lys Gly
<210> 40
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<220>
<221> misc_feature
<222> (1)..(1)
<223> Xaa是Glu或Met
<220>
<221> misc_feature
<222> (2)..(2)
<223> Xaa是Trp、Phe、Leu、Met、Gln或Tyr
<220>
<221> misc_feature
<222> (5)..(5)
<223> Xaa是Tyr、Ala、Asp、Glu、His、Leu、Met、Asn、Gln、Ser、Thr或Trp
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Phe、Ile、Leu、Trp或Tyr
<220>
<221> misc_feature
<222> (10)..(10)
<223> Xaa是Tyr、Ala、Asp、Glu、Phe、His、Ile、Lys、Leu、Met、Asn、Gln、Arg、Ser、Val或Trp
<400> 40
Xaa Xaa Gly Asp Xaa Asp Gly Xaa Asp Xaa
1 5 10
<210> 41
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Gly或Ser
<400> 41
Gly Phe Thr Phe Ser Asp Tyr Xaa Met Ser
1 5 10
<210> 42
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<220>
<221> misc_feature
<222> (7)..(7)
<223> Xaa是Gly或Ser
<220>
<221> misc_feature
<222> (10)..(10)
<223> Xaa是Tyr或Thr
<220>
<221> misc_feature
<222> (11)..(11)
<223> Xaa是Thr或Ile
<220>
<221> misc_feature
<222> (14)..(14)
<223> Xaa是Pro或Ala
<400> 42
Val Ser Thr Ile Ser Asp Xaa Gly Ser Xaa Xaa Tyr Tyr Xaa Asp Ser
1 5 10 15
Val Lys Gly
<210> 43
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<220>
<221> misc_feature
<222> (2)..(2)
<223> Xaa是Trp、Leu或Tyr
<220>
<221> misc_feature
<222> (10)..(10)
<223> Xaa是Tyr、Glu、Phe、His或Asn
<400> 43
Glu Xaa Gly Asp Tyr Asp Gly Phe Asp Xaa
1 5 10
<210> 44
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<220>
<221> misc_feature
<222> (5)..(5)
<223> Xaa是Glu、Ser、Ile或Asn
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Gly或Ser
<220>
<221> misc_feature
<222> (11)..(11)
<223> Xaa是Ser或Asn
<400> 44
Arg Ala Ser Gln Xaa Ile Ser Xaa Tyr Leu Xaa
1 5 10
<210> 45
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<220>
<221> misc_feature
<222> (1)..(1)
<223> Xaa是Ala或Glu
<220>
<221> misc_feature
<222> (4)..(4)
<223> Xaa是Thr、Ser或Asn
<220>
<221> misc_feature
<222> (6)..(6)
<223> Xaa是Asp、His、Lys或Gln
<400> 45
Xaa Ala Ser Xaa Leu Xaa Ser
1 5
<210> 46
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<220>
<221> misc_feature
<222> (1)..(1)
<223> Xaa是Leu或Gln
<220>
<221> misc_feature
<222> (3)..(3)
<223> Xaa是Tyr或Ser
<220>
<221> misc_feature
<222> (4)..(4)
<223> Xaa是Asp或Tyr
<220>
<221> misc_feature
<222> (6)..(6)
<223> Xaa是Tyr或Thr
<220>
<221> misc_feature
<222> (7)..(7)
<223> Xaa是Pro或His
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Tyr或Leu
<400> 46
Xaa Gln Xaa Xaa Ser Xaa Xaa Xaa Thr
1 5
<210> 47
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<220>
<221> misc_feature
<222> (5)..(5)
<223> Xaa是Glu或Ser
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Gly或Ser
<220>
<221> misc_feature
<222> (11)..(11)
<223> Xaa是Ser或Asn
<400> 47
Arg Ala Ser Gln Xaa Ile Ser Xaa Tyr Leu Xaa
1 5 10
<210> 48
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<220>
<221> misc_feature
<222> (4)..(4)
<223> Xaa是Thr或Ser
<220>
<221> misc_feature
<222> (6)..(6)
<223> Xaa是Asp或Gln
<400> 48
Ala Ala Ser Xaa Leu Xaa Ser
1 5
<210> 49
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<220>
<221> misc_feature
<222> (4)..(4)
<223> Xaa是Asp或Tyr
<220>
<221> misc_feature
<222> (8)..(8)
<223> Xaa是Tyr或Leu
<400> 49
Leu Gln Tyr Xaa Ser Thr Pro Xaa Thr
1 5
<210> 50
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 50
Arg Ala Ser Gln Ser Ile Ser Ser Tyr Leu Asn
1 5 10
<210> 51
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 51
Glu Tyr Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 52
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 52
Arg Ala Ser Gln Ile Ile Ser Ser Tyr Leu Ser
1 5 10
<210> 53
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 53
Leu Gln Tyr Tyr Ser Thr Pro Leu Thr
1 5
<210> 54
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 54
Val Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 55
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 55
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Asn
1 5 10
<210> 56
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 56
Val Ser Thr Ile Ser Asp Ser Gly Thr Thr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 57
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 57
Val Ser Thr Ile Ser Asp Gly Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 58
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 58
Val Ser Thr Ile Ser Asp Ser Gly Ser Thr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 59
<211> 10
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 59
Gly Phe Thr Phe Ser Asp Tyr Ala Met Ser
1 5 10
<210> 60
<211> 5
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 60
Asp Tyr Ala Met Ser
1 5
<210> 61
<211> 7
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 61
Gly Phe Thr Phe Ser Asp Tyr
1 5
<210> 62
<211> 8
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 62
Gly Phe Thr Phe Ser Asp Tyr Ala
1 5
<210> 63
<211> 12
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 63
Ala Ser Gly Phe Thr Phe Ser Asp Tyr Ala Met Ser
1 5 10
<210> 64
<211> 6
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 64
Ser Asp Tyr Ala Met Ser
1 5
<210> 65
<211> 19
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 65
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 66
<211> 17
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 66
Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Pro Asp Asn Val Lys
1 5 10 15
Gly
<210> 67
<211> 6
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 67
Ser Asp Gly Gly Thr Tyr
1 5
<210> 68
<211> 8
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 68
Ile Ser Asp Gly Gly Thr Tyr Thr
1 5
<210> 69
<211> 16
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 69
Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Pro Asp Asn Val Lys Gly
1 5 10 15
<210> 70
<211> 10
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 70
Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr
1 5 10
<210> 71
<211> 12
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 71
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr
1 5 10
<210> 72
<211> 10
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 72
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 73
<211> 12
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 73
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 74
<211> 9
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 74
Glu Trp Gly Asp Tyr Asp Gly Phe Asp
1 5
<210> 75
<211> 11
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 75
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp
1 5 10
<210> 76
<211> 11
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 76
Arg Ala Ser Gln Glu Ile Ser Gly Tyr Leu Ser
1 5 10
<210> 77
<211> 6
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 77
Gln Glu Ile Ser Gly Tyr
1 5
<210> 78
<211> 8
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 78
Ala Ser Gln Glu Ile Ser Gly Tyr
1 5
<210> 79
<211> 8
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 79
Ile Ser Gly Tyr Leu Ser Trp Tyr
1 5
<210> 80
<211> 7
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 80
Ala Ala Ser Thr Leu Asp Ser
1 5
<210> 81
<211> 10
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 81
Leu Leu Ile Tyr Ala Ala Ser Thr Leu Asp
1 5 10
<210> 82
<211> 9
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 82
Leu Gln Tyr Asp Ser Tyr Pro Tyr Thr
1 5
<210> 83
<211> 6
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 83
Tyr Asp Ser Tyr Pro Tyr
1 5
<210> 84
<211> 8
<212> PRT
<213> 小家鼠(Mus musculus)
<400> 84
Leu Gln Tyr Asp Ser Tyr Pro Tyr
1 5
<210> 85
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> h24C05-VH IGHV3-11
<400> 85
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Ala Met Ser Trp Ile Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Pro Asp Asn Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 86
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> VH移植物IGHV3-11
<400> 86
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Ala Met Ser Trp Ile Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Pro Asp Asn Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 87
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> h24C05-VL IGKV1-16
<400> 87
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Gly Tyr
20 25 30
Leu Ser Trp Phe Gln Gln Lys Pro Gly Lys Ala Pro Lys Ser Leu Ile
35 40 45
Tyr Ala Ala Ser Thr Leu Asp Ser Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Tyr Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 88
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> VL移植物IGKV1-39
<400> 88
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Gly Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Thr Leu Asp Ser Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Tyr Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 89
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 89
Arg Ala Ser Gln Ser Ile Ser Gly Tyr Leu Asn
1 5 10
<210> 90
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 90
Arg Ala Ser Gln Glu Ile Ser Ser Tyr Leu Asn
1 5 10
<210> 91
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 91
Arg Ala Ser Gln Glu Ile Ser Gly Tyr Leu Asn
1 5 10
<210> 92
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 92
Arg Ala Ser Gln Asn Ile Ser Ser Tyr Leu Ser
1 5 10
<210> 93
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<400> 93
Ala Ala Ser Asn Leu Gln Ser
1 5
<210> 94
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<400> 94
Ala Ala Ser Ser Leu His Ser
1 5
<210> 95
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<400> 95
Glu Ala Ser Ser Leu Asp Ser
1 5
<210> 96
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<400> 96
Ala Ala Ser Ser Leu Lys Ser
1 5
<210> 97
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<400> 97
Glu Ala Ser Ser Leu Gln Ser
1 5
<210> 98
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 98
Leu Gln Tyr Tyr Ser Tyr Pro Tyr Thr
1 5
<210> 99
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 99
Gln Gln Tyr Asp Ser Tyr Pro Tyr Thr
1 5
<210> 100
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 100
Leu Gln Tyr Asp Ser Tyr Pro Leu Thr
1 5
<210> 101
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 101
Gln Gln Tyr Asp Ser Thr Pro Tyr Thr
1 5
<210> 102
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 102
Leu Gln Ser Asp Ser Thr Pro Tyr Thr
1 5
<210> 103
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 103
Leu Gln Ser Asp Ser Thr Pro Leu Thr
1 5
<210> 104
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 104
Gln Gln Tyr Asp Ser Tyr Pro Leu Thr
1 5
<210> 105
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 105
Leu Gln Tyr Tyr Ser Tyr Pro Leu Thr
1 5
<210> 106
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 106
Leu Gln Tyr Tyr Ser Thr Pro Tyr Thr
1 5
<210> 107
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 107
Gln Gln Tyr Asp Ser Thr Pro Leu Thr
1 5
<210> 108
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 108
Leu Gln Tyr Asp Ser Tyr His Leu Thr
1 5
<210> 109
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 109
Gly Phe Thr Phe Ser Asp Tyr Ala Met Ser
1 5 10
<210> 110
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 110
Gly Phe Thr Phe Ser Asp Tyr Glu Met Ser
1 5 10
<210> 111
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 111
Gly Phe Thr Phe Ser Asp Tyr His Met Ser
1 5 10
<210> 112
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 112
Gly Phe Thr Phe Ser Asp Tyr Asn Met Ser
1 5 10
<210> 113
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 113
Gly Phe Thr Phe Ser Asp Tyr Gln Met Ser
1 5 10
<210> 114
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 114
Gly Phe Thr Phe Ser Asp Tyr Arg Met Ser
1 5 10
<210> 115
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 115
Gly Phe Thr Phe Ser Asp Tyr Thr Met Ser
1 5 10
<210> 116
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR1
<400> 116
Gly Phe Thr Phe Ser Asp Tyr Val Met Ser
1 5 10
<210> 117
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 117
Val Gly Thr Ile Ser Asp Gly Gly Thr Thr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 118
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 118
Val Ser Thr Ile Ser Asp Asp Gly Ser Thr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 119
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 119
Val Ser Thr Ile Ser Asp Gly Gly Ser Thr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 120
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 120
Val Ser Thr Ile Ser Asp Gly Gly Ser Thr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 121
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 121
Val Ser Thr Ile Ser Asp Gly Gly Ser Thr Ile Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 122
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 122
Val Ser Thr Ile Ser Asp Gly Gly Ser Thr Ile Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 123
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 123
Val Ser Thr Ile Ser Asp Gly Gly Ser Thr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 124
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 124
Val Ser Thr Ile Ser Asp Gly Gly Ser Thr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 125
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 125
Val Ser Thr Ile Ser Asp Gly Gly Ser Thr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 126
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 126
Val Ser Thr Ile Ser Asp Gly Gly Ser Thr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 127
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 127
Val Ser Thr Ile Ser Asp Gly Gly Ser Tyr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 128
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 128
Val Ser Thr Ile Ser Asp Gly Gly Ser Tyr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 129
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 129
Val Ser Thr Ile Ser Asp Gly Gly Ser Tyr Ile Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 130
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 130
Val Ser Thr Ile Ser Asp Gly Gly Ser Tyr Ile Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 131
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 131
Val Ser Thr Ile Ser Asp Gly Gly Ser Tyr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 132
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 132
Val Ser Thr Ile Ser Asp Gly Gly Thr Thr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 133
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 133
Val Ser Thr Ile Ser Asp Gly Gly Thr Thr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 134
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 134
Val Ser Thr Ile Ser Asp Gly Gly Thr Thr Ile Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 135
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 135
Val Ser Thr Ile Ser Asp Gly Gly Thr Thr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 136
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 136
Val Ser Thr Ile Ser Asp Gly Gly Thr Thr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 137
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 137
Val Ser Thr Ile Ser Asp Gly Gly Thr Thr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 138
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 138
Val Ser Thr Ile Ser Asp Gly Gly Thr Thr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 139
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 139
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 140
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 140
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 141
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 141
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Ile Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 142
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 142
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Ile Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 143
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 143
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 144
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 144
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 145
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 145
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 146
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 146
Val Ser Thr Ile Ser Asp Gly Gly Thr Tyr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 147
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 147
Val Ser Thr Ile Ser Asp Ser Gly Ser Thr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 148
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 148
Val Ser Thr Ile Ser Asp Ser Gly Ser Thr Ile Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 149
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 149
Val Ser Thr Ile Ser Asp Ser Gly Ser Thr Ile Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 150
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 150
Val Ser Thr Ile Ser Asp Ser Gly Ser Thr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 151
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 151
Val Ser Thr Ile Ser Asp Ser Gly Ser Thr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 152
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 152
Val Ser Thr Ile Ser Asp Ser Gly Ser Thr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 153
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 153
Val Ser Thr Ile Ser Asp Ser Gly Ser Thr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 154
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 154
Val Ser Thr Ile Ser Asp Ser Gly Ser Tyr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 155
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 155
Val Ser Thr Ile Ser Asp Ser Gly Ser Tyr Ile Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 156
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 156
Val Ser Thr Ile Ser Asp Ser Gly Ser Tyr Ile Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 157
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 157
Val Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 158
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 158
Val Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 159
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 159
Val Ser Thr Ile Ser Asp Ser Gly Thr Thr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 160
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 160
Val Ser Thr Ile Ser Asp Ser Gly Thr Thr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 161
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 161
Val Ser Thr Ile Ser Asp Ser Gly Thr Thr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 162
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 162
Val Ser Thr Ile Ser Asp Ser Gly Thr Thr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 163
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 163
Val Ser Thr Ile Ser Asp Ser Gly Thr Thr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 164
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 164
Val Ser Thr Ile Ser Asp Ser Gly Thr Tyr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 165
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 165
Val Ser Thr Ile Ser Asp Ser Gly Thr Tyr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 166
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 166
Val Ser Thr Ile Ser Asp Ser Gly Thr Tyr Ile Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 167
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 167
Val Ser Thr Ile Ser Asp Ser Gly Thr Tyr Ile Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 168
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 168
Val Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 169
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 169
Val Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 170
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 170
Val Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Pro Asp Asn
1 5 10 15
Val Lys Gly
<210> 171
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 171
Val Ser Thr Ile Ser Asn Ser Gly Thr Tyr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 172
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 172
Val Ser Thr Ile Ser Ser Gly Gly Ser Tyr Ile Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 173
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 173
Val Ser Thr Ile Ser Ser Gly Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 174
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 174
Val Ser Thr Ile Ser Ser Ser Gly Ser Tyr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 175
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 175
Val Ser Thr Ile Ser Ser Ser Gly Thr Thr Thr Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 176
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 176
Val Ser Thr Ile Ser Ser Ser Gly Thr Tyr Ile Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 177
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 177
Val Ser Tyr Ile Ser Asp Gly Gly Ser Tyr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 178
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 178
Val Ser Tyr Ile Ser Asp Gly Gly Ser Tyr Thr Tyr Tyr Ala Asp Asn
1 5 10 15
Val Lys Gly
<210> 179
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 179
Val Ser Tyr Ile Ser Asp Gly Gly Thr Thr Ile Tyr Tyr Ala Asp Ser
1 5 10 15
Val Lys Gly
<210> 180
<211> 19
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR2
<400> 180
Val Ser Tyr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Pro Asp Ser
1 5 10 15
Val Lys Gly
<210> 181
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 181
Glu Phe Gly Asp Tyr Asp Gly Phe Asp Phe
1 5 10
<210> 182
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 182
Glu Phe Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 183
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 183
Glu Leu Gly Asp Tyr Asp Gly Trp Asp Tyr
1 5 10
<210> 184
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 184
Glu Met Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 185
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 185
Glu Gln Gly Asp Tyr Asp Gly Phe Asp Ile
1 5 10
<210> 186
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 186
Glu Trp Gly Asp Ala Asp Gly Phe Asp Tyr
1 5 10
<210> 187
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 187
Glu Trp Gly Asp Asp Asp Gly Phe Asp Tyr
1 5 10
<210> 188
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 188
Glu Trp Gly Asp Glu Asp Gly Phe Asp Tyr
1 5 10
<210> 189
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 189
Glu Trp Gly Asp His Asp Gly Phe Asp Tyr
1 5 10
<210> 190
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 190
Glu Trp Gly Asp Leu Asp Gly Phe Asp Tyr
1 5 10
<210> 191
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 191
Glu Trp Gly Asp Met Asp Gly Phe Asp Arg
1 5 10
<210> 192
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 192
Glu Trp Gly Asp Met Asp Gly Phe Asp Tyr
1 5 10
<210> 193
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 193
Glu Trp Gly Asp Asn Asp Gly Phe Asp Tyr
1 5 10
<210> 194
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 194
Glu Trp Gly Asp Gln Asp Gly Phe Asp Tyr
1 5 10
<210> 195
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 195
Glu Trp Gly Asp Ser Asp Gly Phe Asp Tyr
1 5 10
<210> 196
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 196
Glu Trp Gly Asp Thr Asp Gly Phe Asp Tyr
1 5 10
<210> 197
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 197
Glu Trp Gly Asp Trp Asp Gly Phe Asp Tyr
1 5 10
<210> 198
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 198
Glu Trp Gly Asp Tyr Asp Gly Cys Asp Tyr
1 5 10
<210> 199
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 199
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Ala
1 5 10
<210> 200
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 200
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Asp
1 5 10
<210> 201
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 201
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Ile
1 5 10
<210> 202
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 202
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Lys
1 5 10
<210> 203
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 203
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Leu
1 5 10
<210> 204
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 204
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Met
1 5 10
<210> 205
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 205
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Gln
1 5 10
<210> 206
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 206
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Arg
1 5 10
<210> 207
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 207
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Ser
1 5 10
<210> 208
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 208
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Val
1 5 10
<210> 209
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 209
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Trp
1 5 10
<210> 210
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 210
Glu Trp Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 211
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 211
Glu Trp Gly Asp Tyr Asp Gly Phe His Tyr
1 5 10
<210> 212
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 212
Glu Trp Gly Asp Tyr Asp Gly Ile Asp Tyr
1 5 10
<210> 213
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 213
Glu Trp Gly Asp Tyr Asp Gly Leu Asp Tyr
1 5 10
<210> 214
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 214
Glu Trp Gly Asp Tyr Asp Gly Trp Asp Tyr
1 5 10
<210> 215
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 215
Glu Trp Gly Asp Tyr Asp Gly Tyr Asp Tyr
1 5 10
<210> 216
<211> 10
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分HCDR3
<400> 216
Met Trp Gly Asp Tyr Asp Gly Phe Asp Tyr
1 5 10
<210> 217
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI1 VL
<400> 217
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Ser Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Thr Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 218
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI2 VL
<400> 218
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Thr Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Thr Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 219
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI3 VL
<400> 219
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Ser Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Ser Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 220
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI4 VL
<400> 220
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Thr Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Ser Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 221
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI5 VL
<400> 221
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Ser Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Thr Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 222
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI6 VL
<400> 222
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Thr Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Thr Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 223
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI7 VL
<400> 223
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Ser Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Ser Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 224
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI8 VL
<400> 224
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Thr Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Ser Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 225
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI9 VL
<400> 225
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Thr Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Thr Leu Gln Ser Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Ser Pro Leu
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 226
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI10 VL
<400> 226
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Ser Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ala
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Ser Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Thr Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 227
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI11 VL
<400> 227
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ala Ser Ser Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ala
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Ser Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Ser Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 228
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI1 VH
<400> 228
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Gly Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Leu Gly Asp Tyr Asp Gly Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 229
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI2 VH
<400> 229
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Gly Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Leu Gly Asp Tyr Asp Gly Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 230
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI3 VH
<400> 230
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Gly Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Leu Gly Asp Tyr Asp Gly Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 231
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI4 VH
<400> 231
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Gly Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Leu Gly Asp Tyr Asp Gly Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 232
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI5 VH
<400> 232
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Ser Met Ser Trp Ile Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp Phe Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 233
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI6 VH
<400> 233
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Ser Met Ser Trp Ile Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp Phe Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 234
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI7 VH
<400> 234
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Ser Met Ser Trp Ile Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp Phe Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 235
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI8 VH
<400> 235
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Ser Met Ser Trp Ile Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp Phe Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 236
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI9 VH
<400> 236
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Ser Met Ser Trp Ile Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp Phe Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 237
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI10 VH
<400> 237
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Gly Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Leu Gly Asp Tyr Asp Gly Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 238
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 15G11-DI11 VH
<400> 238
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Gly Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Leu Gly Asp Tyr Asp Gly Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 239
<211> 327
<212> PRT
<213> 智人(Homo sapiens)
<400> 239
Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Cys Ser Arg
1 5 10 15
Ser Thr Ser Glu Ser Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr
20 25 30
Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser
35 40 45
Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser
50 55 60
Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Lys Thr
65 70 75 80
Tyr Thr Cys Asn Val Asp His Lys Pro Ser Asn Thr Lys Val Asp Lys
85 90 95
Arg Val Glu Ser Lys Tyr Gly Pro Pro Cys Pro Ser Cys Pro Ala Pro
100 105 110
Glu Phe Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys
115 120 125
Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val
130 135 140
Asp Val Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp
145 150 155 160
Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Phe
165 170 175
Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp
180 185 190
Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu
195 200 205
Pro Ser Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg
210 215 220
Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys
225 230 235 240
Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp
245 250 255
Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys
260 265 270
Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser
275 280 285
Arg Leu Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser
290 295 300
Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser
305 310 315 320
Leu Ser Leu Ser Leu Gly Lys
325
<210> 240
<211> 327
<212> PRT
<213> 智人(Homo sapiens)
<400> 240
Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Cys Ser Arg
1 5 10 15
Ser Thr Ser Glu Ser Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr
20 25 30
Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser
35 40 45
Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser
50 55 60
Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Lys Thr
65 70 75 80
Tyr Thr Cys Asn Val Asp His Lys Pro Ser Asn Thr Lys Val Asp Lys
85 90 95
Arg Val Glu Ser Lys Tyr Gly Pro Pro Cys Pro Pro Cys Pro Ala Pro
100 105 110
Glu Phe Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys
115 120 125
Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val
130 135 140
Asp Val Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp
145 150 155 160
Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Phe
165 170 175
Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp
180 185 190
Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu
195 200 205
Pro Ser Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg
210 215 220
Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys
225 230 235 240
Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp
245 250 255
Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys
260 265 270
Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser
275 280 285
Arg Leu Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser
290 295 300
Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser
305 310 315 320
Leu Ser Leu Ser Leu Gly Lys
325
<210> 241
<211> 330
<212> PRT
<213> 智人(Homo sapiens)
<400> 241
Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Ser Ser Lys
1 5 10 15
Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr
20 25 30
Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser
35 40 45
Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser
50 55 60
Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Gln Thr
65 70 75 80
Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn Thr Lys Val Asp Lys
85 90 95
Lys Val Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys
100 105 110
Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro
115 120 125
Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys
130 135 140
Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp
145 150 155 160
Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu
165 170 175
Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu
180 185 190
His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn
195 200 205
Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly
210 215 220
Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Asp Glu
225 230 235 240
Leu Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr
245 250 255
Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn
260 265 270
Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe
275 280 285
Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn
290 295 300
Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr
305 310 315 320
Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys
325 330
<210> 242
<211> 330
<212> PRT
<213> 智人(Homo sapiens)
<400> 242
Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Ser Ser Lys
1 5 10 15
Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr
20 25 30
Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser
35 40 45
Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser
50 55 60
Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Gln Thr
65 70 75 80
Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn Thr Lys Val Asp Lys
85 90 95
Lys Val Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys
100 105 110
Pro Ala Pro Glu Ala Ala Gly Ala Pro Ser Val Phe Leu Phe Pro Pro
115 120 125
Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys
130 135 140
Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp
145 150 155 160
Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu
165 170 175
Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu
180 185 190
His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn
195 200 205
Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly
210 215 220
Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Asp Glu
225 230 235 240
Leu Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr
245 250 255
Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn
260 265 270
Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe
275 280 285
Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn
290 295 300
Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr
305 310 315 320
Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys
325 330
<210> 243
<211> 326
<212> PRT
<213> 智人(Homo sapiens)
<400> 243
Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Cys Ser Arg
1 5 10 15
Ser Thr Ser Glu Ser Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr
20 25 30
Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser
35 40 45
Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser
50 55 60
Leu Ser Ser Val Val Thr Val Pro Ser Ser Asn Phe Gly Thr Gln Thr
65 70 75 80
Tyr Thr Cys Asn Val Asp His Lys Pro Ser Asn Thr Lys Val Asp Lys
85 90 95
Thr Val Glu Arg Lys Cys Cys Val Glu Cys Pro Pro Cys Pro Ala Pro
100 105 110
Pro Val Ala Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp
115 120 125
Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp
130 135 140
Val Ser His Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly
145 150 155 160
Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Phe Asn
165 170 175
Ser Thr Phe Arg Val Val Ser Val Leu Thr Val Val His Gln Asp Trp
180 185 190
Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu Pro
195 200 205
Ala Pro Ile Glu Lys Thr Ile Ser Lys Thr Lys Gly Gln Pro Arg Glu
210 215 220
Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr Lys Asn
225 230 235 240
Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile
245 250 255
Ser Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr
260 265 270
Thr Pro Pro Met Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys
275 280 285
Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys
290 295 300
Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu
305 310 315 320
Ser Leu Ser Pro Gly Lys
325
<210> 244
<211> 330
<212> PRT
<213> 智人(Homo sapiens)
<400> 244
Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Ser Ser Lys
1 5 10 15
Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr
20 25 30
Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser
35 40 45
Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser
50 55 60
Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Gln Thr
65 70 75 80
Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn Thr Lys Val Asp Lys
85 90 95
Lys Val Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys
100 105 110
Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro
115 120 125
Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys
130 135 140
Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp
145 150 155 160
Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu
165 170 175
Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu
180 185 190
His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn
195 200 205
Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly
210 215 220
Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu
225 230 235 240
Met Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr
245 250 255
Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn
260 265 270
Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe
275 280 285
Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn
290 295 300
Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr
305 310 315 320
Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys
325 330
<210> 245
<211> 329
<212> PRT
<213> 智人(Homo sapiens)
<400> 245
Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu Ala Pro Ser Ser Lys
1 5 10 15
Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys Leu Val Lys Asp Tyr
20 25 30
Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser Gly Ala Leu Thr Ser
35 40 45
Gly Val His Thr Phe Pro Ala Val Leu Gln Ser Ser Gly Leu Tyr Ser
50 55 60
Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser Leu Gly Thr Gln Thr
65 70 75 80
Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn Thr Lys Val Asp Lys
85 90 95
Lys Val Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys
100 105 110
Pro Ala Pro Glu Ala Ala Gly Ala Pro Ser Val Phe Leu Phe Pro Pro
115 120 125
Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys
130 135 140
Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp
145 150 155 160
Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu
165 170 175
Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu
180 185 190
His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn
195 200 205
Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly
210 215 220
Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu
225 230 235 240
Met Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro
245 250 255
Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn
260 265 270
Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu
275 280 285
Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val
290 295 300
Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln
305 310 315 320
Lys Ser Leu Ser Leu Ser Pro Gly Lys
325
<210> 246
<211> 1342
<212> PRT
<213> 智人(Homo sapiens)
<400> 246
Met Arg Ala Asn Asp Ala Leu Gln Val Leu Gly Leu Leu Phe Ser Leu
1 5 10 15
Ala Arg Gly Ser Glu Val Gly Asn Ser Gln Ala Val Cys Pro Gly Thr
20 25 30
Leu Asn Gly Leu Ser Val Thr Gly Asp Ala Glu Asn Gln Tyr Gln Thr
35 40 45
Leu Tyr Lys Leu Tyr Glu Arg Cys Glu Val Val Met Gly Asn Leu Glu
50 55 60
Ile Val Leu Thr Gly His Asn Ala Asp Leu Ser Phe Leu Gln Trp Ile
65 70 75 80
Arg Glu Val Thr Gly Tyr Val Leu Val Ala Met Asn Glu Phe Ser Thr
85 90 95
Leu Pro Leu Pro Asn Leu Arg Val Val Arg Gly Thr Gln Val Tyr Asp
100 105 110
Gly Lys Phe Ala Ile Phe Val Met Leu Asn Tyr Asn Thr Asn Ser Ser
115 120 125
His Ala Leu Arg Gln Leu Arg Leu Thr Gln Leu Thr Glu Ile Leu Ser
130 135 140
Gly Gly Val Tyr Ile Glu Lys Asn Asp Lys Leu Cys His Met Asp Thr
145 150 155 160
Ile Asp Trp Arg Asp Ile Val Arg Asp Arg Asp Ala Glu Ile Val Val
165 170 175
Lys Asp Asn Gly Arg Ser Cys Pro Pro Cys His Glu Val Cys Lys Gly
180 185 190
Arg Cys Trp Gly Pro Gly Ser Glu Asp Cys Gln Thr Leu Thr Lys Thr
195 200 205
Ile Cys Ala Pro Gln Cys Asn Gly His Cys Phe Gly Pro Asn Pro Asn
210 215 220
Gln Cys Cys His Asp Glu Cys Ala Gly Gly Cys Ser Gly Pro Gln Asp
225 230 235 240
Thr Asp Cys Phe Ala Cys Arg His Phe Asn Asp Ser Gly Ala Cys Val
245 250 255
Pro Arg Cys Pro Gln Pro Leu Val Tyr Asn Lys Leu Thr Phe Gln Leu
260 265 270
Glu Pro Asn Pro His Thr Lys Tyr Gln Tyr Gly Gly Val Cys Val Ala
275 280 285
Ser Cys Pro His Asn Phe Val Val Asp Gln Thr Ser Cys Val Arg Ala
290 295 300
Cys Pro Pro Asp Lys Met Glu Val Asp Lys Asn Gly Leu Lys Met Cys
305 310 315 320
Glu Pro Cys Gly Gly Leu Cys Pro Lys Ala Cys Glu Gly Thr Gly Ser
325 330 335
Gly Ser Arg Phe Gln Thr Val Asp Ser Ser Asn Ile Asp Gly Phe Val
340 345 350
Asn Cys Thr Lys Ile Leu Gly Asn Leu Asp Phe Leu Ile Thr Gly Leu
355 360 365
Asn Gly Asp Pro Trp His Lys Ile Pro Ala Leu Asp Pro Glu Lys Leu
370 375 380
Asn Val Phe Arg Thr Val Arg Glu Ile Thr Gly Tyr Leu Asn Ile Gln
385 390 395 400
Ser Trp Pro Pro His Met His Asn Phe Ser Val Phe Ser Asn Leu Thr
405 410 415
Thr Ile Gly Gly Arg Ser Leu Tyr Asn Arg Gly Phe Ser Leu Leu Ile
420 425 430
Met Lys Asn Leu Asn Val Thr Ser Leu Gly Phe Arg Ser Leu Lys Glu
435 440 445
Ile Ser Ala Gly Arg Ile Tyr Ile Ser Ala Asn Arg Gln Leu Cys Tyr
450 455 460
His His Ser Leu Asn Trp Thr Lys Val Leu Arg Gly Pro Thr Glu Glu
465 470 475 480
Arg Leu Asp Ile Lys His Asn Arg Pro Arg Arg Asp Cys Val Ala Glu
485 490 495
Gly Lys Val Cys Asp Pro Leu Cys Ser Ser Gly Gly Cys Trp Gly Pro
500 505 510
Gly Pro Gly Gln Cys Leu Ser Cys Arg Asn Tyr Ser Arg Gly Gly Val
515 520 525
Cys Val Thr His Cys Asn Phe Leu Asn Gly Glu Pro Arg Glu Phe Ala
530 535 540
His Glu Ala Glu Cys Phe Ser Cys His Pro Glu Cys Gln Pro Met Glu
545 550 555 560
Gly Thr Ala Thr Cys Asn Gly Ser Gly Ser Asp Thr Cys Ala Gln Cys
565 570 575
Ala His Phe Arg Asp Gly Pro His Cys Val Ser Ser Cys Pro His Gly
580 585 590
Val Leu Gly Ala Lys Gly Pro Ile Tyr Lys Tyr Pro Asp Val Gln Asn
595 600 605
Glu Cys Arg Pro Cys His Glu Asn Cys Thr Gln Gly Cys Lys Gly Pro
610 615 620
Glu Leu Gln Asp Cys Leu Gly Gln Thr Leu Val Leu Ile Gly Lys Thr
625 630 635 640
His Leu Thr Met Ala Leu Thr Val Ile Ala Gly Leu Val Val Ile Phe
645 650 655
Met Met Leu Gly Gly Thr Phe Leu Tyr Trp Arg Gly Arg Arg Ile Gln
660 665 670
Asn Lys Arg Ala Met Arg Arg Tyr Leu Glu Arg Gly Glu Ser Ile Glu
675 680 685
Pro Leu Asp Pro Ser Glu Lys Ala Asn Lys Val Leu Ala Arg Ile Phe
690 695 700
Lys Glu Thr Glu Leu Arg Lys Leu Lys Val Leu Gly Ser Gly Val Phe
705 710 715 720
Gly Thr Val His Lys Gly Val Trp Ile Pro Glu Gly Glu Ser Ile Lys
725 730 735
Ile Pro Val Cys Ile Lys Val Ile Glu Asp Lys Ser Gly Arg Gln Ser
740 745 750
Phe Gln Ala Val Thr Asp His Met Leu Ala Ile Gly Ser Leu Asp His
755 760 765
Ala His Ile Val Arg Leu Leu Gly Leu Cys Pro Gly Ser Ser Leu Gln
770 775 780
Leu Val Thr Gln Tyr Leu Pro Leu Gly Ser Leu Leu Asp His Val Arg
785 790 795 800
Gln His Arg Gly Ala Leu Gly Pro Gln Leu Leu Leu Asn Trp Gly Val
805 810 815
Gln Ile Ala Lys Gly Met Tyr Tyr Leu Glu Glu His Gly Met Val His
820 825 830
Arg Asn Leu Ala Ala Arg Asn Val Leu Leu Lys Ser Pro Ser Gln Val
835 840 845
Gln Val Ala Asp Phe Gly Val Ala Asp Leu Leu Pro Pro Asp Asp Lys
850 855 860
Gln Leu Leu Tyr Ser Glu Ala Lys Thr Pro Ile Lys Trp Met Ala Leu
865 870 875 880
Glu Ser Ile His Phe Gly Lys Tyr Thr His Gln Ser Asp Val Trp Ser
885 890 895
Tyr Gly Val Thr Val Trp Glu Leu Met Thr Phe Gly Ala Glu Pro Tyr
900 905 910
Ala Gly Leu Arg Leu Ala Glu Val Pro Asp Leu Leu Glu Lys Gly Glu
915 920 925
Arg Leu Ala Gln Pro Gln Ile Cys Thr Ile Asp Val Tyr Met Val Met
930 935 940
Val Lys Cys Trp Met Ile Asp Glu Asn Ile Arg Pro Thr Phe Lys Glu
945 950 955 960
Leu Ala Asn Glu Phe Thr Arg Met Ala Arg Asp Pro Pro Arg Tyr Leu
965 970 975
Val Ile Lys Arg Glu Ser Gly Pro Gly Ile Ala Pro Gly Pro Glu Pro
980 985 990
His Gly Leu Thr Asn Lys Lys Leu Glu Glu Val Glu Leu Glu Pro Glu
995 1000 1005
Leu Asp Leu Asp Leu Asp Leu Glu Ala Glu Glu Asp Asn Leu Ala
1010 1015 1020
Thr Thr Thr Leu Gly Ser Ala Leu Ser Leu Pro Val Gly Thr Leu
1025 1030 1035
Asn Arg Pro Arg Gly Ser Gln Ser Leu Leu Ser Pro Ser Ser Gly
1040 1045 1050
Tyr Met Pro Met Asn Gln Gly Asn Leu Gly Glu Ser Cys Gln Glu
1055 1060 1065
Ser Ala Val Ser Gly Ser Ser Glu Arg Cys Pro Arg Pro Val Ser
1070 1075 1080
Leu His Pro Met Pro Arg Gly Cys Leu Ala Ser Glu Ser Ser Glu
1085 1090 1095
Gly His Val Thr Gly Ser Glu Ala Glu Leu Gln Glu Lys Val Ser
1100 1105 1110
Met Cys Arg Ser Arg Ser Arg Ser Arg Ser Pro Arg Pro Arg Gly
1115 1120 1125
Asp Ser Ala Tyr His Ser Gln Arg His Ser Leu Leu Thr Pro Val
1130 1135 1140
Thr Pro Leu Ser Pro Pro Gly Leu Glu Glu Glu Asp Val Asn Gly
1145 1150 1155
Tyr Val Met Pro Asp Thr His Leu Lys Gly Thr Pro Ser Ser Arg
1160 1165 1170
Glu Gly Thr Leu Ser Ser Val Gly Leu Ser Ser Val Leu Gly Thr
1175 1180 1185
Glu Glu Glu Asp Glu Asp Glu Glu Tyr Glu Tyr Met Asn Arg Arg
1190 1195 1200
Arg Arg His Ser Pro Pro His Pro Pro Arg Pro Ser Ser Leu Glu
1205 1210 1215
Glu Leu Gly Tyr Glu Tyr Met Asp Val Gly Ser Asp Leu Ser Ala
1220 1225 1230
Ser Leu Gly Ser Thr Gln Ser Cys Pro Leu His Pro Val Pro Ile
1235 1240 1245
Met Pro Thr Ala Gly Thr Thr Pro Asp Glu Asp Tyr Glu Tyr Met
1250 1255 1260
Asn Arg Gln Arg Asp Gly Gly Gly Pro Gly Gly Asp Tyr Ala Ala
1265 1270 1275
Met Gly Ala Cys Pro Ala Ser Glu Gln Gly Tyr Glu Glu Met Arg
1280 1285 1290
Ala Phe Gln Gly Pro Gly His Gln Ala Pro His Val His Tyr Ala
1295 1300 1305
Arg Leu Lys Thr Leu Arg Ser Leu Glu Ala Thr Asp Ser Ala Phe
1310 1315 1320
Asp Asn Pro Asp Tyr Trp His Ser Arg Leu Phe Pro Lys Ala Asn
1325 1330 1335
Ala Gln Arg Thr
1340
<210> 247
<211> 1342
<212> PRT
<213> 普通猕猴(Macaca mulatta)
<400> 247
Met Arg Ala Asn Gly Ala Leu Gln Val Leu Gly Leu Leu Phe Asn Leu
1 5 10 15
Ala Arg Gly Ser Glu Val Gly Asn Ser Gln Ala Val Cys Pro Gly Thr
20 25 30
Leu Asn Gly Leu Ser Val Thr Gly Asp Ala Glu Asn Gln Tyr Gln Thr
35 40 45
Leu Tyr Lys Leu Tyr Glu Arg Cys Glu Val Val Met Gly Asn Leu Glu
50 55 60
Ile Val Leu Thr Gly His Asn Ala Asp Leu Ser Phe Leu Gln Trp Ile
65 70 75 80
Arg Glu Val Thr Gly Tyr Val Leu Val Ala Met Asn Glu Phe Ser Thr
85 90 95
Leu Pro Leu Pro Asn Leu Arg Val Val Arg Gly Thr Gln Val Tyr Asp
100 105 110
Gly Lys Phe Ala Ile Phe Val Met Leu Asn Tyr Asn Thr Asn Ser Ser
115 120 125
His Ala Leu Arg Gln Leu Arg Leu Thr Gln Leu Thr Glu Ile Leu Ser
130 135 140
Gly Gly Val Tyr Ile Glu Lys Asn Asp Lys Leu Cys His Met Asp Thr
145 150 155 160
Ile Asp Trp Lys Asp Ile Val Arg Asp Gln Asp Ala Glu Ile Val Val
165 170 175
Lys Asp Asn Gly Arg Ser Cys Pro Leu Cys His Glu Val Cys Lys Gly
180 185 190
Arg Cys Trp Gly Pro Gly Pro Glu Asp Cys Gln Thr Leu Thr Lys Thr
195 200 205
Ile Cys Ala Pro Gln Cys Asn Gly His Cys Phe Gly Pro Asn Pro Asn
210 215 220
Gln Cys Cys His Asp Glu Cys Ala Gly Gly Cys Ser Gly Pro Gln Asp
225 230 235 240
Thr Asp Cys Phe Ala Cys Arg His Phe Asn Asp Ser Gly Ala Cys Val
245 250 255
Pro Arg Cys Pro Gln Pro Leu Val Tyr Asn Lys Leu Thr Phe Gln Leu
260 265 270
Glu Pro Asn Pro His Thr Lys Tyr Gln Tyr Gly Gly Val Cys Val Ala
275 280 285
Ser Cys Pro His Asn Phe Val Val Asp Gln Thr Ser Cys Val Arg Ala
290 295 300
Cys Pro Pro Asp Lys Met Glu Val Asp Lys Asn Gly Leu Lys Met Cys
305 310 315 320
Glu Pro Cys Gly Gly Leu Cys Pro Lys Ala Cys Glu Gly Thr Gly Ser
325 330 335
Gly Ser Arg Phe Gln Thr Val Asp Ser Ser Asn Ile Asp Gly Phe Val
340 345 350
Asn Cys Thr Lys Ile Leu Gly Asn Leu Asp Phe Leu Ile Thr Gly Leu
355 360 365
Asn Gly Asp Pro Trp His Lys Ile Pro Ala Leu Asp Pro Glu Lys Leu
370 375 380
Asn Val Phe Arg Thr Val Arg Glu Ile Thr Gly Tyr Leu Asn Ile Gln
385 390 395 400
Ser Trp Pro Pro His Met Tyr Asn Phe Ser Val Phe Ser Asn Leu Thr
405 410 415
Thr Ile Gly Gly Arg Ser Leu Tyr Asn Arg Gly Phe Ser Leu Leu Ile
420 425 430
Met Lys Asn Leu Asn Val Thr Ser Leu Gly Phe Arg Ser Leu Lys Glu
435 440 445
Ile Ser Ala Gly Arg Ile Tyr Ile Ser Ala Asn Arg Gln Leu Cys Tyr
450 455 460
His His Ser Leu Asn Trp Thr Lys Val Leu Arg Gly Pro Thr Glu Glu
465 470 475 480
Arg Leu Asp Ile Lys His Asn Arg Pro Arg Arg Asp Cys Val Ala Glu
485 490 495
Gly Lys Val Cys Asp Pro Leu Cys Ser Ser Gly Gly Cys Trp Gly Pro
500 505 510
Gly Pro Gly Gln Cys Leu Ser Cys Arg Asn Tyr Ser Arg Gly Gly Val
515 520 525
Cys Val Thr His Cys Asn Phe Leu Asn Gly Glu Pro Arg Glu Phe Ala
530 535 540
His Glu Ala Glu Cys Phe Ser Cys His Pro Glu Cys Gln Pro Met Glu
545 550 555 560
Gly Thr Ala Thr Cys Asn Gly Ser Gly Ser Asp Thr Cys Ala Gln Cys
565 570 575
Ala His Phe Arg Asp Gly Pro His Cys Val Ser Ser Cys Pro His Gly
580 585 590
Val Leu Gly Ala Lys Gly Pro Ile Tyr Lys Tyr Pro Asp Val Gln Asn
595 600 605
Glu Cys Arg Pro Cys His Glu Asn Cys Thr Gln Gly Cys Lys Gly Pro
610 615 620
Glu Leu Gln Asp Cys Leu Gly Gln Thr Leu Val Leu Ile Gly Lys Thr
625 630 635 640
His Leu Thr Met Ala Leu Thr Val Ile Ala Gly Leu Val Val Ile Phe
645 650 655
Met Met Leu Gly Gly Thr Phe Leu Tyr Trp Arg Gly Arg Arg Ile Gln
660 665 670
Asn Lys Arg Ala Met Arg Arg Tyr Leu Glu Arg Gly Glu Ser Ile Glu
675 680 685
Pro Leu Asp Pro Ser Glu Lys Ala Asn Lys Val Leu Ala Arg Ile Phe
690 695 700
Lys Glu Thr Glu Leu Arg Lys Leu Lys Val Leu Gly Ser Gly Val Phe
705 710 715 720
Gly Thr Val His Lys Gly Val Trp Ile Pro Glu Gly Glu Ser Ile Lys
725 730 735
Ile Pro Val Cys Ile Lys Ile Ile Glu Asp Lys Ser Gly Arg Gln Ser
740 745 750
Phe Gln Ala Val Thr Asp His Met Leu Ala Ile Gly Ser Leu Asp His
755 760 765
Ala His Ile Val Arg Leu Leu Gly Leu Cys Pro Gly Ser Ser Leu Gln
770 775 780
Leu Val Thr Gln Tyr Leu Pro Leu Gly Ser Leu Leu Asp His Val Arg
785 790 795 800
Gln His Arg Gly Ala Leu Gly Pro Gln Leu Leu Leu Asn Trp Gly Val
805 810 815
Gln Ile Ala Lys Gly Met Tyr Tyr Leu Glu Glu His Gly Met Val His
820 825 830
Arg Asn Leu Ala Ala Arg Asn Val Leu Leu Lys Ser Pro Ser Gln Val
835 840 845
Gln Val Ala Asp Phe Gly Val Ala Asp Leu Leu Pro Pro Asp Asp Lys
850 855 860
Gln Leu Leu Tyr Ser Glu Ala Lys Thr Pro Ile Lys Trp Met Ala Leu
865 870 875 880
Glu Ser Ile His Phe Gly Lys Tyr Thr His Gln Ser Asp Val Trp Ser
885 890 895
Tyr Gly Val Thr Val Trp Glu Leu Met Thr Phe Gly Ala Glu Pro Tyr
900 905 910
Ala Gly Leu Arg Leu Ala Glu Val Pro Asp Leu Leu Glu Lys Gly Glu
915 920 925
Arg Leu Ala Gln Pro Gln Ile Cys Thr Ile Asp Val Tyr Met Val Met
930 935 940
Val Lys Cys Trp Met Ile Asp Glu Asn Ile Arg Pro Thr Phe Lys Glu
945 950 955 960
Leu Ala Asn Glu Phe Thr Arg Met Ala Arg Asp Pro Pro Arg Tyr Leu
965 970 975
Val Ile Lys Arg Glu Ser Gly Pro Gly Ile Ala Pro Gly Pro Glu Pro
980 985 990
His Gly Leu Thr Asn Lys Lys Leu Glu Glu Val Glu Leu Glu Pro Glu
995 1000 1005
Leu Asp Leu Asp Leu Asp Leu Glu Ala Glu Glu Asp Asn Leu Ala
1010 1015 1020
Thr Thr Thr Leu Gly Ser Ala Leu Ser Leu Pro Val Gly Thr Leu
1025 1030 1035
Asn Arg Pro Arg Gly Ser Gln Ser Leu Leu Ser Pro Ser Ser Gly
1040 1045 1050
Tyr Met Pro Met Asn Gln Gly Asn Leu Gly Glu Ala Cys Gln Glu
1055 1060 1065
Ser Ala Val Ser Gly Ser Ser Glu Trp Cys Pro Arg Pro Val Ser
1070 1075 1080
Leu His Pro Met Pro Arg Gly Cys Leu Ala Ser Glu Ser Ser Glu
1085 1090 1095
Gly His Val Thr Gly Ser Glu Ala Glu Leu Gln Glu Lys Val Ser
1100 1105 1110
Thr Cys Arg Ser Arg Ser Arg Ser Arg Ser Pro Arg Pro Arg Gly
1115 1120 1125
Asp Ser Ala Tyr His Ser Gln Arg His Ser Leu Leu Thr Pro Val
1130 1135 1140
Thr Pro Leu Ser Pro Pro Gly Leu Glu Glu Glu Asp Val Asn Gly
1145 1150 1155
Tyr Val Met Pro Asp Thr His Leu Lys Gly Thr Pro Ser Ser Arg
1160 1165 1170
Glu Gly Thr Leu Ser Ser Val Gly Leu Ser Ser Val Leu Gly Thr
1175 1180 1185
Glu Glu Glu Asp Glu Asp Glu Glu Tyr Glu Tyr Met Asn Arg Arg
1190 1195 1200
Arg Arg His Ser Pro Pro Arg Pro Pro Arg Pro Ser Ser Leu Glu
1205 1210 1215
Glu Leu Gly Tyr Glu Tyr Met Asp Val Gly Ser Asp Leu Ser Ala
1220 1225 1230
Ser Leu Gly Ser Thr Gln Ser Cys Pro Leu His Pro Val Pro Val
1235 1240 1245
Met Pro Thr Ala Gly Thr Thr Pro Asp Glu Asp Tyr Glu Tyr Met
1250 1255 1260
Asn Arg Gln Arg Gly Gly Ser Gly Pro Gly Gly Asp Tyr Ala Ala
1265 1270 1275
Met Gly Ala Cys Pro Ala Ser Glu Gln Gly Tyr Glu Glu Met Arg
1280 1285 1290
Ala Phe Gln Gly Pro Gly His Gln Ala Pro His Val His Tyr Ala
1295 1300 1305
His Leu Lys Thr Leu Arg Ser Leu Glu Ala Thr Asp Ser Ala Phe
1310 1315 1320
Asp Asn Pro Asp Tyr Trp His Ser Arg Leu Phe Pro Lys Ala Asn
1325 1330 1335
Ala Gln Arg Thr
1340
<210> 248
<211> 5
<212> PRT
<213> 智人(Homo sapiens)
<400> 248
Arg Asp Glu Leu Thr
1 5
<210> 249
<211> 4
<212> PRT
<213> 智人(Homo sapiens)
<400> 249
Arg Glu Glu Met
1
<210> 250
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 表位烧蚀性变体肽
<400> 250
Tyr Ser Met Ser Trp Ile Arg Gln Ala
1 5
<210> 251
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 表位烧蚀性变体肽
<400> 251
Tyr Gly Met Ser Trp Val Arg Gln Ala
1 5
<210> 252
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> HAF肽
<400> 252
Ile Tyr Ala Ala Ser Thr Leu Asp Ser
1 5
<210> 253
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗体15G11重链可变(VH)区
<400> 253
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Gly Met Ser Trp Ile Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Ser Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Leu Gly Asp Tyr Asp Gly Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 254
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗体15G11轻链可变(VL)区
<400> 254
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Ser Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Ser Leu Asp Ser Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Thr Pro Tyr
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 255
<211> 119
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗体16B09重链可变(VH)区
<400> 255
Gln Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr
20 25 30
Ser Met Ser Trp Ile Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Thr Ile Ser Asp Ser Gly Thr Tyr Thr Tyr Tyr Pro Asp Ser Val
50 55 60
Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr
65 70 75 80
Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys
85 90 95
Ala Arg Glu Trp Gly Asp Tyr Asp Gly Phe Asp Phe Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 256
<211> 107
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗体16B09轻链可变(VL)区
<400> 256
Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Glu Ile Ser Ser Tyr
20 25 30
Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Thr Leu Gln Ser Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Leu Gln Tyr Asp Ser Thr Pro Leu
85 90 95
Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 257
<211> 16
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3 15G11抗体VH区的一部分
<220>
<221> misc_feature
<222> (4)..(4)
<223> Xaa是Tyr、Ala、Gly、His、Ser或任何非疏水性氨基酸
<220>
<221> misc_feature
<222> (5)..(5)
<223> Xaa是Gly、Ala、Ser、Trp或Tyr
<220>
<221> misc_feature
<222> (6)..(6)
<223> Xaa是Met、Ala、Phe、Ser、Val、Trp或Tyr
<220>
<221> misc_feature
<222> (7)..(7)
<223> Xaa是Ser、Gly、Asn或Tyr
<220>
<221> misc_feature
<222> (9)..(9)
<223> Xaa是Ile或Val
<220>
<221> misc_feature
<222> (12)..(12)
<223> Xaa是Ala、Pro或Thr
<400> 257
Phe Ser Asp Xaa Xaa Xaa Xaa Trp Xaa Arg Gln Xaa Pro Gly Lys Gly
1 5 10 15
<210> 258
<211> 16
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3 15G11抗体VL区的一部分
<220>
<221> misc_feature
<222> (4)..(4)
<223> Xaa是Ile、Ala、Gly、Ser或任何非疏水性氨基酸
<220>
<221> misc_feature
<222> (5)..(5)
<223> Xaa是Ser或Asp
<220>
<221> misc_feature
<222> (6)..(6)
<223> Xaa是Ser、Asp、Lys或Thr
<220>
<221> misc_feature
<222> (7)..(7)
<223> Xaa是Tyr、Ala、Arg、Ser或Trp
<220>
<221> misc_feature
<222> (9)..(9)
<223> Xaa是Ser、Ala、Gly、His、Asn或Tyr
<220>
<221> misc_feature
<222> (12)..(12)
<223> Xaa是Gln或Arg
<400> 258
Ser Gln Glu Xaa Xaa Xaa Xaa Leu Xaa Trp Tyr Xaa Gln Lys Pro Gly
1 5 10 15
<210> 259
<211> 15
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3 15G11抗体VL区的一部分
<220>
<221> misc_feature
<222> (6)..(6)
<223> Xaa是Ala或Asp
<220>
<221> misc_feature
<222> (7)..(7)
<223> Xaa是Ala或Asp
<220>
<221> misc_feature
<222> (12)..(12)
<223> Xaa是Ser、Asp、Pro或Thr
<400> 259
Lys Leu Leu Ile Tyr Xaa Xaa Ser Ser Leu Asp Xaa Gly Val Pro
1 5 10 15
<210> 260
<211> 15
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3 15G11抗体VL区的一部分
<220>
<221> misc_feature
<222> (4)..(4)
<223> Xaa是Leu、Ala、Gly、His、Gln、Ser或任何非疏水性氨基酸
<220>
<221> misc_feature
<222> (5)..(5)
<223> Xaa是Gln、Ala、His、Ser或Thr
<220>
<221> misc_feature
<222> (6)..(6)
<223> Xaa是Tyr、Ala、Gly、His、Ser或Trp
<220>
<221> misc_feature
<222> (9)..(9)
<223> Xaa是Thr、Ala、Gly、Asn、Ser 或Tyr
<220>
<221> misc_feature
<222> (10)..(10)
<223> Xaa是Pro、Asp、Ser或Thr
<400> 260
Tyr Tyr Cys Xaa Xaa Xaa Asp Ser Xaa Xaa Tyr Thr Phe Gly Gly
1 5 10 15
<210> 261
<211> 11
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR1
<400> 261
Arg Ala Ser Gln Glu Ile Ser Thr Tyr Leu Ser
1 5 10
<210> 262
<211> 9
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR3
<400> 262
Leu Gln Tyr Asp Ser Ser Pro Leu Thr
1 5
<210> 263
<211> 7
<212> PRT
<213> 人工序列(Artificial Sequence)
<220>
<223> 抗ERBB3抗体分子或抗原结合部分LCDR2
<400> 263
Ala Ala Ser Ser Leu Asp Thr
1 5
Claims (39)
1.一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
(a)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQEISTYLS(SEQ ID NO:261)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSSPLT(SEQID NO:262)的LCDR3;
(b)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLDT(SEQ ID NO:263)的LCDR2和LQYDSTPYT(SEQID NO:23)的LCDR3;
(c)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYTYYPDSVKG(SEQ ID NO:19)的HCDR2和ELGDYDGFDY(SEQ ID NO:20)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLDS(SEQ ID NO:22)的LCDR2和LQYDSTPYT(SEQID NO:23)的LCDR3[克隆15G11];或者
(d)VH区氨基酸序列包括GFTFSDYSMS(SEQ ID NO:24)的HCDR1、VSTISDSGTYTYYPDSVKG(SEQ ID NO:25)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPLT(SEQID NO:18)的LCDR3;[克隆16B09]
(e)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQID NO:18)的LCDR3;
(f)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDH(SEQ ID NO:27)的HCDR3;并且VL区氨基酸序列包括RASQEISSYLS(SEQ ID NO:21)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQID NO:18)的LCDR3;
(g)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDGGSYTYYADSVKG(SEQ ID NO:28)的HCDR2和EWGDYDGFDE(SEQ ID NO:29)的HCDR3;并且VL区氨基酸序列包括RASQSISGYLS(SEQ ID NO:30)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPYT(SEQID NO:23)的LCDR3;
(h)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDGGSYTYYADNVKG(SEQ ID NO:31)的HCDR2和EWGDYDGFDF(SEQ ID NO:15)的HCDR3;并且VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASTLQS(SEQ ID NO:26)的LCDR2和LQYDSTPLT(SEQID NO:18)的LCDR3;或者
(i)VH区氨基酸序列包括GFTFSDYGMS(SEQ ID NO:13)的HCDR1、VSTISDSGSYIYYADSVKG(SEQ ID NO:14)的HCDR2和EWGDYDGFDE(SEQ ID NO:29)的HCDR3;并且VL区氨基酸序列包括RASQSISSYLS(SEQ ID NO:16)的LCDR1、AASSLQS(SEQ ID NO:17)的LCDR2和LQYDSTPLT(SEQID NO:18)的LCDR3。
2.根据权利要求1所述的抗体或抗原结合部分,其中
(a)VH区氨基酸序列包括SEQ ID NO:236,并且VL区氨基酸序列包括SEQ ID NO:225;
(b)VH区氨基酸序列包括SEQ ID NO:232,并且VL区氨基酸序列包括SEQ ID NO:221;
(c)VH区氨基酸序列包括SEQ ID NO:253,并且VL区氨基酸序列包括SEQ ID NO:254;或者
(d)VH区氨基酸序列包括SEQ ID NO:255,并且VL区氨基酸序列包括SEQ ID NO:256。
3.一种抗ERBB3抗体或其抗原结合部分,其中所述抗体包括重链可变(VH)区和轻链可变(VL)区,其中
(a)HCDR1包括氨基酸序列G-F-T-F-S-D-Y-X1-M-S,其中X1是G或任何其它氨基酸(SEQID NO:1);
(b)HCDR2包括V-S-T-I-S-D-X1-G-X2-X3-X4-Y-Y-X5-D-X6-V-K-G,其中X1是G或任何其它氨基酸,X2是T或T的保守取代,X3是Y或任何其它氨基酸,X4是T或任何其它氨基酸,X5是P或任何其它氨基酸,并且X6是N或N的保守取代(SEQ ID NO:2);
(c)HCDR3包括X1-X2-G-D-X3-D-G-X4-D-X5,其中X1是E或任何其它氨基酸,X2是W或任何其它氨基酸,X3是Y或任何其它氨基酸,X4是F或任何其它氨基酸,并且X5是Y或任何其它氨基酸(SEQ ID NO:3);
(d)LCDR1包括R-A-S-Q-X1-I-S-X2-Y-L-X3,其中X1是E或任何其它氨基酸,X2是G或G的保守取代,并且X3是S或S的保守取代(SEQ ID NO:7);
(e)LCDR2包括X1-A-S-X2-L-X3-S,其中X1是A或任何其它氨基酸,X2是T或N的保守取代,并且X3是D或任何其它氨基酸(SEQ ID NO:8);并且
(f)LCDR3包括X1-Q-X2-X3-S-X4-X5-X6-T,其中X1是L或任何其它氨基酸,X2是Y或任何其它氨基酸,X3是D或任何其它氨基酸,X4是Y或任何其它氨基酸,X5是P或任何其它氨基酸,并且X6是Y或任何其它氨基酸(SEQ ID NO:9)。
4.一种抗ERBB3抗体或其抗原结合部分,其中所述抗体或抗原结合部分与根据权利要求1到3中任一项所述的抗体或抗原结合部分交叉竞争与ERBB3结合;并且
(a)包括完全种系人骨架氨基酸序列;和/或
(b)在LCDR2中不包括异构化位点;和/或
(c)在HCDR2中不包括“DG”异构化位点;和/或
(d)在HCDR3中的位置2处不包括氧化位点;和/或
(e)与h24C05相比,在其v结构域中表现出的预测的外来人T细胞受体结合肽的数量减少;和/或
(f)在其v结构域中不含预测的外来人T细胞受体结合肽。
5.根据权利要求1到4中任一项所述的抗体或抗原结合部分,其中所述抗体是人的、人源化的或嵌合的。
6.根据权利要求1到5中任一项所述的抗体或抗原结合部分,其中所述VH区、所述VL区或所述VH区和所述VL区两者包括一个或多个人骨架区氨基酸序列。
7.根据权利要求1到6中任一项所述的抗体或抗原结合部分,其中所述VH区、所述VL区或所述VH区和所述VL区两者包括已经插入有所述CDR的人可变区骨架支架氨基酸序列。
8.根据权利要求1或3所述的抗体或抗原结合部分,其中所述VH区包括已经插入有HCDR1、HCDR2和HCDR3氨基酸序列的IGHV3-11人种系支架氨基酸序列。
9.根据权利要求1、3和8中任一项所述的抗体或抗原结合部分,其中所述VL区包括已经插入有LCDR1、LCDR2和LCDR3氨基酸序列的IGKV1-39人种系支架氨基酸序列。
10.根据权利要求1到9中任一项所述的抗体或抗原结合部分,其中所述抗体包括免疫球蛋白恒定区。
11.根据权利要求10所述的抗体或抗原结合部分,其中所述免疫球蛋白恒定区是IgG、IgE、IgM、IgD、IgA或IgY。
12.根据权利要求11所述的抗体或抗原结合部分,其中所述免疫球蛋白恒定区是IgG1、IgG2、IgG3、IgG4、IgA1或IgA2。
13.根据权利要求10所述的抗体或抗原结合部分,其中所述免疫球蛋白恒定区是免疫惰性的。
14.根据权利要求10所述的抗体或抗原结合部分,其中所述免疫球蛋白恒定区是野生型人IgG4恒定区、包括氨基酸取代S228P的人IgG4恒定区、野生型人IgG1恒定区、包括氨基酸取代L234A、L235A和G237A的人IgG1恒定区或野生型人IgG2恒定区。
15.根据权利要求10所述的抗体或抗原结合部分,其中所述免疫球蛋白恒定区包括SEQID NO:239-245中的任一个。
16.根据权利要求1到15中任一项所述的抗原结合部分,其中所述抗体或抗原结合部分是Fab、Fab'、F(ab')2、Fd、Fv、scFv、单结构域抗体(dAb)、大抗体、微型抗体、胞内抗体、双功能抗体、三功能抗体、四功能抗体、v-NAR或双-scFv。
17.根据权利要求1到16中任一项所述的抗体或抗原结合部分,其中所述抗体是单克隆的。
18.根据权利要求1到17中任一项所述的抗体或抗原结合部分,其中所述抗体是四聚体抗体、四价抗体或多特异性抗体。
19.根据权利要求1到18中任一项所述的抗体或抗原结合部分,其中所述抗体是与第一抗原和第二抗原特异性结合的双特异性抗体,其中所述第一抗原是ERBB3并且所述第二抗原不是ERBB3。
20.根据权利要求1到19中任一项所述的抗体或抗原结合部分,其中所述抗体或抗原结合部分与(a)人ERBB3或(b)人ERBB3和恒河猴ERBB3特异性结合。
21.一种免疫缀合物,其包括与治疗剂连接的根据权利要求1到20中任一项所述的抗体或抗原结合部分。
22.根据权利要求21所述的免疫缀合物,其中所述治疗剂是细胞毒素、放射性同位素、化学治疗剂、免疫调节剂、抗血管生成剂、抗增殖剂、促凋亡剂、细胞生长抑制酶、细胞溶解酶、治疗性核酸、抗血管生成剂、抗增殖剂或促凋亡剂。
23.一种药物组合物,其包括根据权利要求1到20中任一项所述的抗体或抗原结合部分或根据权利要求21或22所述的免疫缀合物以及药学上可接受的载剂、稀释剂或赋形剂。
24.一种核酸分子,其对根据权利要求1到20中任一项所述的抗体或抗原结合部分的以下进行编码:
(a)VH区氨基酸序列;
(b)VL区氨基酸序列;或者
(c)VH氨基酸序列和VL区氨基酸序列两者。
25.一种表达载体,其包括根据权利要求24所述的核酸分子。
26.一种重组宿主细胞,其包括根据权利要求24所述的核酸分子或根据权利要求25所述的表达载体。
27.一种产生抗ERBB3抗体或其抗原结合部分的方法,所述方法包括:
将包括根据权利要求25所述的表达载体的重组宿主细胞在使所述核酸分子得到表达的条件下培养,由此产生所述抗体或抗原结合部分;以及
从所述宿主细胞或培养物中分离所述抗体或抗原结合部分。
28.一种用于增强受试者的免疫应答的方法,所述方法包括向所述受试者施用治疗有效量的根据权利要求1到20中任一项所述的抗体或抗原结合部分、根据权利要求21或22所述的免疫缀合物或根据权利要求23所述的药物组合物。
29.一种治疗受试者的癌症、自身免疫性疾病、炎性疾病、心血管疾病或纤维化疾病的方法,所述方法包括向所述受试者施用治疗有效量的根据权利要求1到20中任一项所述的抗体或抗原结合部分、根据权利要求21或22所述的免疫缀合物或根据权利要求23所述的药物组合物。
30.根据权利要求29所述的方法,其中所述癌症是胃肠道间质癌(GIST)、胰腺癌、黑色素瘤、乳腺癌、肺癌、支气管癌、结肠直肠癌、前列腺癌、胃癌、卵巢癌、膀胱癌、脑或中枢神经系统癌、周围神经系统癌、食道癌、宫颈癌、子宫或子宫内膜癌、口腔癌或咽癌、肝癌、肾癌、睾丸癌、胆道癌、小肠或阑尾癌、唾液腺癌、甲状腺癌、肾上腺癌、骨肉瘤、软骨肉瘤或血液组织癌。
31.根据权利要求29所述的方法,其中所述自身免疫性疾病或所述炎性疾病是关节炎、哮喘、多发性硬化症、牛皮癣、克罗恩氏病(Crohn's disease)、炎性肠病、狼疮、格雷夫氏病(Grave's disease)、桥本氏甲状腺炎(Hashimoto's thyroiditis)或强直性脊柱炎。
32.根据权利要求29所述的方法,其中所述心血管疾病是冠心病或动脉粥样硬化。
33.根据权利要求29所述的方法,其中所述纤维化疾病是心肌梗塞、心绞痛、骨关节炎、肺纤维化、囊性纤维化、支气管炎或哮喘。
34.根据权利要求1到20中任一项所述的抗体或抗原结合部分、根据权利要求21或22所述的免疫缀合物或根据权利要求23所述的药物组合物,其用于治疗癌症、自身免疫性疾病、炎性疾病、心血管疾病或纤维化疾病。
35.根据权利要求24所述的供使用的抗体或抗原结合部分、免疫缀合物或药物组合物,其中所述癌症是胃肠道间质癌(GIST)、胰腺癌、黑色素瘤、乳腺癌、肺癌、支气管癌、结肠直肠癌、前列腺癌、胃癌、卵巢癌、膀胱癌、脑或中枢神经系统癌、周围神经系统癌、食道癌、宫颈癌、子宫或子宫内膜癌、口腔癌或咽癌、肝癌、肾癌、睾丸癌、胆道癌、小肠或阑尾癌、唾液腺癌、甲状腺癌、肾上腺癌、骨肉瘤、软骨肉瘤或血液组织癌。
36.根据权利要求34所述的供使用的抗体或抗原结合部分、免疫缀合物或药物组合物,其中所述自身免疫性疾病或所述炎性疾病是关节炎、哮喘、多发性硬化症、牛皮癣、克罗恩氏病、炎性肠病、狼疮、格雷夫氏病、桥本氏甲状腺炎或强直性脊柱炎。
37.根据权利要求34所述的供使用的抗体或抗原结合部分、免疫缀合物或药物组合物,其中所述心血管疾病是冠心病或动脉粥样硬化。
38.根据权利要求34所述的供使用的抗体或抗原结合部分、免疫缀合物或药物组合物,其中所述纤维化疾病是心肌梗塞、心绞痛、骨关节炎、肺纤维化、囊性纤维化、支气管炎或哮喘。
39.根据权利要求1到20中任一项所述的抗体或抗原结合部分、根据权利要求21或22所述的免疫缀合物或根据权利要求23所述的药物组合物,其用作药剂。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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PCT/EP2019/056506 WO2019175359A1 (en) | 2018-03-14 | 2019-03-14 | De-immunised anti-erbb3 antibodies |
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CN201980017723.3A Pending CN111818972A (zh) | 2018-03-14 | 2019-03-14 | 去免疫的抗erbb3抗体 |
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EP (1) | EP3765156A1 (zh) |
JP (1) | JP2021515544A (zh) |
CN (1) | CN111818972A (zh) |
AU (1) | AU2019233694A1 (zh) |
CA (1) | CA3092610A1 (zh) |
GB (1) | GB201804094D0 (zh) |
SG (1) | SG11202008513WA (zh) |
WO (1) | WO2019175359A1 (zh) |
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JP2023541627A (ja) | 2020-09-14 | 2023-10-03 | イシュノス サイエンシズ ソシエテ アノニム | Il1rapに結合する抗体及びその使用 |
TW202227504A (zh) * | 2020-10-15 | 2022-07-16 | 大陸商上海翰森生物醫藥科技有限公司 | 抗erbb3抗體或其抗原結合片段及其醫藥用途 |
WO2023198138A1 (zh) * | 2022-04-13 | 2023-10-19 | 上海翰森生物医药科技有限公司 | 抗体或其抗原结合片段及其医药用途 |
WO2024088388A1 (en) * | 2022-10-28 | 2024-05-02 | Hansoh Bio Llc | Ligand-cytotoxicity drug conjugates and pharmaceutical uses thereof |
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WO2011022727A2 (en) * | 2009-08-21 | 2011-02-24 | Merrimack Pharmaceuticals, Inc. | Antibodies against the ectodomain of erbb3 and uses thereof |
WO2011136911A2 (en) * | 2010-04-09 | 2011-11-03 | Aveo Pharmaceuticals, Inc. | Anti-erbb3 antibodies |
US20120269812A1 (en) * | 2011-04-19 | 2012-10-25 | Merrimack Pharmaceuticals, Inc. | Monospecific and bispecific anti-igf-1r and anti-erbb3 antibodies |
WO2014159915A1 (en) * | 2013-03-14 | 2014-10-02 | The Board Of Regents Of The University Of Texas System | Her3 specific monoclonal antibodies for diagnostic and therapeutic use |
US20170073395A1 (en) * | 2015-05-18 | 2017-03-16 | Pfizer Inc. | Humanized antibodies |
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WO2012052230A1 (en) * | 2010-10-18 | 2012-04-26 | Mediapharma S.R.L. | Erbb3 binding antibody |
CA2872226A1 (en) * | 2012-05-02 | 2013-11-07 | Symphogen A/S | Humanized pan-her antibody compositions |
-
2018
- 2018-03-14 GB GBGB1804094.9A patent/GB201804094D0/en not_active Ceased
-
2019
- 2019-03-14 WO PCT/EP2019/056506 patent/WO2019175359A1/en unknown
- 2019-03-14 CA CA3092610A patent/CA3092610A1/en active Pending
- 2019-03-14 CN CN201980017723.3A patent/CN111818972A/zh active Pending
- 2019-03-14 JP JP2020543213A patent/JP2021515544A/ja active Pending
- 2019-03-14 SG SG11202008513WA patent/SG11202008513WA/en unknown
- 2019-03-14 EP EP19711578.5A patent/EP3765156A1/en not_active Withdrawn
- 2019-03-14 AU AU2019233694A patent/AU2019233694A1/en not_active Abandoned
-
2020
- 2020-07-10 US US16/925,570 patent/US10975165B2/en active Active
-
2021
- 2021-03-02 US US17/189,860 patent/US20210189003A1/en not_active Abandoned
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WO2011022727A2 (en) * | 2009-08-21 | 2011-02-24 | Merrimack Pharmaceuticals, Inc. | Antibodies against the ectodomain of erbb3 and uses thereof |
WO2011136911A2 (en) * | 2010-04-09 | 2011-11-03 | Aveo Pharmaceuticals, Inc. | Anti-erbb3 antibodies |
US20120269812A1 (en) * | 2011-04-19 | 2012-10-25 | Merrimack Pharmaceuticals, Inc. | Monospecific and bispecific anti-igf-1r and anti-erbb3 antibodies |
WO2014159915A1 (en) * | 2013-03-14 | 2014-10-02 | The Board Of Regents Of The University Of Texas System | Her3 specific monoclonal antibodies for diagnostic and therapeutic use |
US20170073395A1 (en) * | 2015-05-18 | 2017-03-16 | Pfizer Inc. | Humanized antibodies |
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Also Published As
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EP3765156A1 (en) | 2021-01-20 |
SG11202008513WA (en) | 2020-10-29 |
CA3092610A1 (en) | 2019-09-19 |
US20200339702A1 (en) | 2020-10-29 |
AU2019233694A1 (en) | 2020-10-22 |
GB201804094D0 (en) | 2018-04-25 |
US10975165B2 (en) | 2021-04-13 |
JP2021515544A (ja) | 2021-06-24 |
US20210189003A1 (en) | 2021-06-24 |
WO2019175359A1 (en) | 2019-09-19 |
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