CN112159469B - 冠状病毒的抗体或其抗原结合片段 - Google Patents

冠状病毒的抗体或其抗原结合片段 Download PDF

Info

Publication number
CN112159469B
CN112159469B CN202011065506.2A CN202011065506A CN112159469B CN 112159469 B CN112159469 B CN 112159469B CN 202011065506 A CN202011065506 A CN 202011065506A CN 112159469 B CN112159469 B CN 112159469B
Authority
CN
China
Prior art keywords
ser
val
gly
leu
thr
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011065506.2A
Other languages
English (en)
Other versions
CN112159469A (zh
Inventor
黄竞荷
吴凡
刘梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Super Extraordinary Shanghai Medical Technology Co ltd
Original Assignee
SHANGHAI PUBLIC HEALTH CLINICAL CENTER
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI PUBLIC HEALTH CLINICAL CENTER filed Critical SHANGHAI PUBLIC HEALTH CLINICAL CENTER
Priority to CN202011065506.2A priority Critical patent/CN112159469B/zh
Priority to CN202210890641.3A priority patent/CN115710311A/zh
Priority to CN202210841040.3A priority patent/CN116063464A/zh
Publication of CN112159469A publication Critical patent/CN112159469A/zh
Application granted granted Critical
Publication of CN112159469B publication Critical patent/CN112159469B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/08Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses
    • C07K16/10Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses from RNA viruses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/85Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/06Animal cells or tissues; Human cells or tissues
    • C12N5/0602Vertebrate cells
    • C12N5/0684Cells of the urinary tract or kidneys
    • C12N5/0686Kidney cells
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/569Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
    • G01N33/56983Viruses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/577Immunoassay; Biospecific binding assay; Materials therefor involving monoclonal antibodies binding reaction mechanisms characterised by the use of monoclonal antibodies; monoclonal antibodies per se are classified with their corresponding antigens
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/505Medicinal preparations containing antigens or antibodies comprising antibodies
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565Complementarity determining region [CDR]
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/70Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/76Antagonist effect on antigen, e.g. neutralization or inhibition of binding
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2510/00Genetically modified cells
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2800/00Nucleic acids vectors
    • C12N2800/10Plasmid DNA
    • C12N2800/106Plasmid DNA for vertebrates
    • C12N2800/107Plasmid DNA for vertebrates for mammalian
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2333/00Assays involving biological materials from specific organisms or of a specific nature
    • G01N2333/005Assays involving biological materials from specific organisms or of a specific nature from viruses
    • G01N2333/08RNA viruses
    • G01N2333/165Coronaviridae, e.g. avian infectious bronchitis virus
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2469/00Immunoassays for the detection of microorganisms
    • G01N2469/10Detection of antigens from microorganism in sample from host

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Immunology (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Virology (AREA)
  • Urology & Nephrology (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Wood Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • Zoology (AREA)
  • Hematology (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Cell Biology (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • General Chemical & Material Sciences (AREA)
  • Plant Pathology (AREA)
  • Public Health (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)

Abstract

本发明涉及冠状病毒的抗体或其抗原结合片段,编码抗体或其抗原结合片段的核酸分子,包含该核酸分子的载体,包含该载体的宿主细胞,以及该抗体或其抗原结合片段制备治疗或预防冠状病毒所导致的疾病的药物方面的应用,以及在检测产品方面的应用;发明人利用B细胞体外单克隆培养和高通量抗体筛选技术获得了一系列冠状病毒的抗体及其抗原结合片段,它们对于SARS‑CoV‑2病毒具有强效结合能力和中和能力,并且均能够识别并结合SARS‑CoV‑2病毒的S1蛋白及其RBD,有非常强的亲和力,由此可以推测它们对于其他冠状病毒,以及未来可能出现的冠状病毒也可能具有结合能力和中和能力,未来具有良好的临床应用前景。

Description

冠状病毒的抗体或其抗原结合片段
技术领域
本发明涉及一种冠状病毒的抗体或其抗原结合片段,编码该抗体或其抗原结合片段的核酸分子,包含该核酸分子的载体,包含该载体的宿主细胞,以及该抗体或其抗原结合片段制备治疗或预防冠状病毒所导致的疾病的药物方面的应用,以及在检测产品方面的应用,属于生物医药领域。
背景技术
新型冠状病毒肺炎(2019-nCOV),是由SARS-COV-2新型冠状病毒引起的急性呼吸道传染病。该病毒传播能力极强,可经呼吸道、接触等多途径传播,自2019年12月暴发以来已扩散至全球各地,形成世界范围大流行。截止至2020年7月1日,SARS-CoV-2冠状病毒已在全球范围内累计造成超过1000万例感染,其中超过50万人死亡,给全世界的公共卫生安全带来严峻挑战。
SARS-CoV-2病毒属于冠状病毒科,与2003年暴发的SARS冠状病毒同属β属冠状病毒,氨基酸同源性高达77.2%。SARS-CoV-2病毒的主要包膜蛋白是其刺突蛋白(也称Spike蛋白,简称S蛋白),在病毒感染过程中被细胞内的蛋白酶水解成S1和S2两部分。其中S2是跨膜蛋白,S1具有识别和结合细胞受体血管紧张素转换酶-2(ACE-2)的受体结合区(ReceptorBinding domain,简称RBD)。S1和S2构成的刺突蛋白是SARS-CoV-2病毒特异性识别、结合靶细胞受体,并介导病毒感染的病毒受体,同时也是待开发的中和抗体的识别靶点。
目前为止,全世界尚无有效的药物和疫苗来治疗和预防SARS-CoV-2病毒感染,临床上对新冠肺炎患者只能采取支持性的对症治疗。研究表明,临床上使用病毒特异性的康复人血浆,可有效中和病毒,防止病毒在体内各器官扩散,对病人病程的转归也起了重要作用。但多抗血浆不仅来源有限,同时其临床应用也受到诸如难以质控、供受体血型差异、潜在的传染性因子等条件的限制。从新冠肺炎康复者体内分离可中和SARS-CoV-2病毒的全人源单克隆抗体,可有效克服上述问题,是目前新冠病毒药物开发的主要方向之一。
截止到目前,国内外多个研究团队报道,从新冠肺炎康复者外周血中分离获得可结合SARS-CoV-2病毒S蛋白的全人源单克隆抗体,如BD-368-2,B38等,目前尚处于实验研发阶段。这些研究团队所采用的技术方法是利用重组表达的SARS-CoV-2病毒的S蛋白或S蛋白受体结合区(RBD)为钓饵,从康复者外周血中筛选分离出可结合这些蛋白的B细胞(记忆B细胞),利用细胞测序或单细胞测序的方法获得单个B细胞所表达抗体的重链和轻链配对基因,通过体外重组的方式表达出抗体后,再对其中和病毒的能力进行验证。由于该方法在进行抗体基因测序前,利用标记蛋白(上述被称作钓饵的重组表达的SARS-CoV-2病毒的S蛋白或S蛋白受体结合区)预先对B细胞进行筛选和富集,因此只有特异性结合标记蛋白的抗体才能被筛选出来。
黄竞荷博士(本申请的发明人之一)于2013年首创的人B细胞体外单克隆培养与高通量抗体筛选技术(Huang J et al.Nature Protocols 2013),从新冠肺炎康复者外周血中分离全人源单克隆抗体,其流程为:首先利用SARS-CoV-2和SARS-CoV假病毒中和体系检测新冠肺炎康复者血清的中和抗体,筛选出对SARS-CoV-2和SARS-CoV同时具有较高中和活性的康复者;然后采集康复者的外周血淋巴细胞,利用流式细胞分选出记忆性B淋巴细胞;将单个B细胞接种到384孔板中,并加入细胞因子和饲养细胞培养,培养的B细胞在体外扩增分化后分泌抗体到上清中。然后利用体外高通量中和实验检测上清中的抗体对SARS-CoV-2和SARS-CoV病毒的中和能力,筛选出可同时中和这两种病毒的阳性克隆,利用RT-PCR的方法克隆出抗体的重链和轻链可变区,并构建至抗体重链、轻链表达载体后,转染293T细胞表达纯化出单克隆抗体。
其他团队目前所报道的抗体虽然对测试的SARS-CoV-2病毒毒株有较好的中和能力,但由于SARS-CoV-2病毒是RNA病毒,在传播流行过程中病毒的基因组序列容易产生突变。当这些抗体所识别的非保守区域位点发生突变,产生新的流行毒株时,会导致抗体失去对突变病毒的保护效果。
因此,本领域技术人员仍然希望能够开发出新的对于包括SARS-CoV-2病毒在内的冠状病毒具有结合能力和中和能力的抗体。
发明内容
为解决上述技术问题,本发明一方面提供了一种冠状病毒的抗体,或其抗原结合片段,包含重链可变区和轻链可变区,所述重链可变区包含三个重链互补决定区HCDR1、HCDR2和HCDR3,所述轻链可变区包含三个轻链互补决定区LCDR1、LCDR2和LCDR3;其中:
所述HCDR1的序列通式为:GX1TVSSNY,其中,X1为L、I或F中的任意一个氨基酸;
所述HCDR2的序列通式为:X2YSGGSX3,其中,X2为L或I中的任意一个氨基酸,X3为A或T中的任意一个氨基酸。
优选的,所述HCDR3的序列通式为:ARDLIX4YGMDV,其中,X4为D或T的任意一个氨基酸;
所述LCDR1的序列为QGISSY,所述LCDR2的序列为AAS;
所述LCDR3的序列通式为:QQLNSYPPX5T,其中,X5为L或Y的任意一个氨基酸。
在本发明的一个优选实施方案中,所述HCDR1的序列如SEQ ID NO.1所示,所述HCDR2的序列如SEQ ID NO.2所示,所述HCDR3的序列如SEQ ID NO.3所示;并且,所述LCDR1的序列如SEQ ID NO.5所示,所述LCDR2的序列如SEQ ID NO.6所示,所述LCDR3的序列如SEQID NO.7所示;或者,
所述HCDR1的序列如SEQ ID NO.11所示,所述HCDR2的序列如SEQ ID NO.12所示,所述HCDR3的序列如SEQ ID NO.13所示;并且,所述LCDR1的序列如SEQ ID NO.15所示,所述LCDR2的序列如SEQ ID NO.16所示,所述LCDR3的序列如SEQ ID NO.17所示。
在本发明的另一个优选实施方案中,所述重链可变区具有如SEQ ID NO.4所示序列或者与所述SEQ ID NO.4所示序列有80%以上的序列同源性的序列,且所述轻链可变区具有如SEQ ID NO.8所示序列或者与所述SEQ ID NO.8所示序列有80%以上的序列同源性的序列;或者,
所述重链可变区具有如SEQ ID NO.14所示序列或者与所述SEQ ID NO.14所示序列有80%以上的序列同源性的序列,且所述轻链可变区具有如SEQ ID NO.18所示序列或者与所述SEQ ID NO.18所示序列有80%以上的序列同源性的序列。
在本发明的一个优选实施方案中,所述HCDR1的序列如SEQ ID NO.21所示,所述HCDR2的序列如SEQ ID NO.22所示,所述HCDR3的序列如SEQ ID NO.23所示;并且,所述LCDR1的序列如SEQ ID NO.25所示,所述LCDR2的序列如SEQ ID NO.26所示,所述LCDR3的序列如SEQ ID NO.27所示;或者,
所述HCDR1的序列如SEQ ID NO.31所示,所述HCDR2的序列如SEQ ID NO.32所示,所述HCDR3的序列如SEQ ID NO.33所示;并且,所述LCDR1的序列如SEQ ID NO.35所示,所述LCDR2的序列如SEQ ID NO.36所示,所述LCDR3的序列如SEQ ID NO.37所示;或者,
所述HCDR1的序列如SEQ ID NO.41所示,所述HCDR2的序列如SEQ ID NO.42所示,所述HCDR3的序列如SEQ ID NO.43所示;并且,所述LCDR1的序列如SEQ ID NO.45所示,所述LCDR2的序列如SEQ ID NO.46所示,所述LCDR3的序列如SEQ ID NO.47所示;或者,
所述HCDR1的序列如SEQ ID NO.51所示,所述HCDR2的序列如SEQ ID NO.52所示,所述HCDR3的序列如SEQ ID NO.53所示;并且,所述LCDR1的序列如SEQ ID NO.55所示,所述LCDR2的序列如SEQ ID NO.56所示,所述LCDR3的序列如SEQ ID NO.57所示;或者,
所述HCDR1的序列如SEQ ID NO.61所示,所述HCDR2的序列如SEQ ID NO.62所示,所述HCDR3的序列如SEQ ID NO.63所示;并且,所述LCDR1的序列如SEQ ID NO.65所示,所述LCDR2的序列如SEQ ID NO.66所示,所述LCDR3的序列如SEQ ID NO.67所示。
在本发明的另一个优选实施方案中,所述重链可变区具有如SEQ ID NO.24所示序列或者与所述SEQ ID NO.24所示序列有80%以上的序列同源性的序列,且所述轻链可变区具有如SEQ ID NO.28所示序列或者与所述SEQ ID NO.28所示序列有80%以上的序列同源性的序列;或者,
所述重链可变区具有如SEQ ID NO.34所示序列或者与所述SEQ ID NO.34所示序列有80%以上的序列同源性的序列,且所述轻链可变区具有如SEQ ID NO.38所示序列或者与所述SEQ ID NO.38所示序列有80%以上的序列同源性的序列;或者,
所述重链可变区具有如SEQ ID NO.44所示序列或者与所述SEQ ID NO.44所示序列有80%以上的序列同源性的序列,且所述轻链可变区具有如SEQ ID NO.48所示序列或者与所述SEQ ID NO.48所示序列有80%以上的序列同源性的序列;或者,
所述重链可变区具有如SEQ ID NO.54所示序列或者与所述SEQ ID NO.54所示序列有80%以上的序列同源性的序列,且所述轻链可变区具有如SEQ ID NO.58所示序列或者与所述SEQ ID NO.58所示序列有80%以上的序列同源性的序列;或者,
所述重链可变区具有如SEQ ID NO.64所示序列或者与所述SEQ ID NO.64所示序列有80%以上的序列同源性的序列,且所述轻链可变区具有如SEQ ID NO.68所示序列或者与所述SEQ ID NO.68所示序列有80%以上的序列同源性的序列。
关于“序列同源性”的百分比,是通过确定两个序列中存在的氨基酸残基的数目来产生匹配位置的数目,将匹配位置的数目除以比较窗口中位置总数,将结构乘以100从而产生序列的同一性百分比。
在本发明的一个具体实施方案中,上述重链可变区可以在第一氨基酸序列的基础之上进行氨基酸的增减或替代,上述轻链可变区也可以在第二氨基酸序列的基础之上进行氨基酸的增减或替代,例如相似氨基酸的替代或少量氨基酸的增减,特别是在保守序列部分的氨基酸增减或替代,获得的抗体的变体具有较高的同源性(80%以上的同源性),且保留原有的抗体功能,即与冠状病毒特异性结合的功能和性质,这些变体也落入本发明的保护范围之内。
在本发明的一个优选实施方案中,所述抗体或其抗原结合片段的重链氨基酸序列如SEQ ID NO.9所示,轻链氨基酸序列如SEQ ID NO.10所示;或者,
所述抗体或其抗原结合片段的重链氨基酸序列如SEQ ID NO.19所示,轻链氨基酸序列如SEQ ID NO.20所示;或者,
所述抗体或其抗原结合片段的重链氨基酸序列如SEQ ID NO.29所示,轻链氨基酸序列如SEQ ID NO.30所示;或者,
所述抗体或其抗原结合片段的重链氨基酸序列如SEQ ID NO.39所示,轻链氨基酸序列如SEQ ID NO.40所示;或者,
所述抗体或其抗原结合片段的重链氨基酸序列如SEQ ID NO.49所示,轻链氨基酸序列如SEQ ID NO.50所示;或者,
所述抗体或其抗原结合片段的重链氨基酸序列如SEQ ID NO.59所示,轻链氨基酸序列如SEQ ID NO.60所示;或者,
所述抗体或其抗原结合片段的重链氨基酸序列如SEQ ID NO.69所示,轻链氨基酸序列如SEQ ID NO.70所示。
在本发明的一个优选实施方案中,所述抗体或其抗原结合片段为冠状病毒的中和抗体或其抗原结合片段。
术语“中和抗体”是特异性结合病毒受体蛋白的抗体或抗原结合片段,该特异性结合可抑制病毒受体蛋白的生物学功能,如阻止受体蛋白结合其靶细胞受体,可特异性降低病毒感染靶细胞的能力;在本申请中,冠状病毒的中和抗体或其抗原结合片段是指结合冠状病毒的S蛋白的抗体或其抗原结合片段。
在本发明的一个优选实施方案中,所述抗体为单克隆抗体。
在本发明的一个更优选实施方案中,所述抗体为全人源单克隆抗体。
在本发明的一个优选实施方案中,所述抗体为IgG1、IgG2、IgG3或IgG4中的任意一种或几种的组合。
优选的,所述抗体可以为选自IgG1、IgG2、IgG3或IgG4的完整抗体。
在本发明的一个优选实施方案中,所述抗原结合片段为Fv、Fab、F(ab’)2、Fab’、dsFv、scFv、sc(Fv)2或单链抗体。
在本发明的一个优选实施方案中,上述的抗体,或其抗原结合片段可以进一步被化学修饰,例如可以将一个或多个化学基团连接于抗体,以增加抗体的一个或多个功能特性。例如,常见的化学修饰有糖基化修饰和聚乙二醇化修饰等。其中,例如,可以在重链或轻链可变区进行糖基化修饰,增加一个或多个糖基化位点,以改善抗体的部分功能,例如增强抗体的免疫原性或改善抗体的药物动力学等。例如,在合适的条件下,将抗体或其抗原结合片段与活性的聚乙二醇(例如聚乙二醇的活性酯或醛衍生物)进行酰化反应或烷基化反应实现聚乙二醇化修饰,以改善抗体的部分功能,例如增加抗体的生物(如血清)半衰期等。上述的化学修饰不显著改变本发明抗体或其抗原结合片段的基本功能和性质,即与冠状病毒特异性结合的功能和性质;这些经过化学修饰后的变体也落入本发明的保护范围之内。
在本发明的一个优选实施方案中,上述的抗体,或其抗原结合片段可以通过化学方法或者基因工程的方法与其他因子缀合;例如这些因子可以提供将抗体靶向所需功能位点的作用或其他性能;上述的抗体,或其抗原结合片段与其他因子缀合形成的复合物,落入本发明的保护范围之内。
本发明另一方面提供了一种核酸分子,其中,所述核酸分子编码如上述的抗体,或其抗原结合片段。
在本发明的一个优选实施方案中,所述核酸分子中,编码所述重链可变区的核酸序列如SEQ ID NO.71所示,编码所述轻链可变区的核酸序列如SEQ ID NO.72所示;或者,
编码所述重链可变区的核酸序列如SEQ ID NO.75所示,编码所述轻链可变区的核酸序列如SEQ ID NO.76所示;或者,
编码所述重链可变区的核酸序列如SEQ ID NO.79所示,编码所述轻链可变区的核酸序列如SEQ ID NO.80所示;或者,
编码所述重链可变区的核酸序列如SEQ ID NO.83所示,编码所述轻链可变区的核酸序列如SEQ ID NO.84所示;或者,
编码所述重链可变区的核酸序列如SEQ ID NO.87所示,编码所述轻链可变区的核酸序列如SEQ ID NO.88所示;或者,
编码所述重链可变区的核酸序列如SEQ ID NO.91所示,编码所述轻链可变区的核酸序列如SEQ ID NO.92所示;或者,
编码所述重链可变区的核酸序列如SEQ ID NO.95所示,编码所述轻链可变区的核酸序列如SEQ ID NO.96所示。
在本发明的一个更优选实施方案中,所述核酸分子中,
编码重链的核酸序列如SEQ ID NO.73所示,编码轻链的核酸序列如SEQ ID NO.74所示;或者,
编码重链的核酸序列如SEQ ID NO.77所示,编码轻链的核酸序列如SEQ ID NO.78所示;或者,
编码重链的核酸序列如SEQ ID NO.81所示,编码轻链的核酸序列如SEQ ID NO.82所示;或者,
编码重链的核酸序列如SEQ ID NO.85所示,编码轻链的核酸序列如SEQ ID NO.86所示;或者,
编码重链的核酸序列如SEQ ID NO.89所示,编码轻链的核酸序列如SEQ ID NO.90所示;或者,
编码重链的核酸序列如SEQ ID NO.93所示,编码轻链的核酸序列如SEQ ID NO.94所示;或者,
编码重链的核酸序列如SEQ ID NO.97所示,编码轻链的核酸序列如SEQ ID NO.98所示。
本发明还一方面提供了包含上述核酸分子的载体。
在本发明的一个优选实施方案中,所述载体还包括与上述核酸分子连接的表达调控序列。
术语“载体”一词指的是,可将编码某蛋白的多聚核苷酸插入其中并使该蛋白获得表达的一种核酸运载工具。载体可通过转化、转导或转染宿主细胞,使其携带的遗传物质元件在宿主细胞内得以表达。载体可以包含多种控制表达的元件,例如启动子序列、转录起始序列、增强子序列、选择元件及报告基因等。另外,载体还可含有复制起始位点。载体还有可能包括协助其进入细胞的成分,如病毒颗粒、脂质体或蛋白外壳,但不仅仅只有这些物质。在本发明的实施方案中,载体可以选自,但不限于:质粒、噬菌粒、柯斯质粒、人工染色体(如酵母人工染色体YAC、细菌人工染色体BAC或P1来源的人工染色体PAC)、噬菌体(如λ噬菌体或M13噬菌体)以及用作载体的动物病毒,例如,逆转录病毒(包括慢病毒)、腺病毒、腺相关病毒、疱疹病毒(如单纯疱疹病毒)、痘病毒、杆状病毒、乳头瘤病毒、乳头多瘤空泡病毒(如SV40)。
本发明还一方面提供了包含上述载体的宿主细胞。
关于“宿主细胞”,可以选择,但不限于:大肠杆菌或枯草菌等原核细胞,酵母细胞或曲霉菌等真菌细胞,S2果蝇细胞或Sf9等昆虫细胞,或者纤维原细胞、CHO细胞、COS细胞、NSO细胞、HeLa细胞、BHK细胞、HEK293细胞等动物细胞模型。
优选的,所述宿主细胞为HEK293细胞。
本发明还一方面提供了一种生产如上述的抗体,或其抗原结合片段的方法,其中,培养上述的宿主细胞,以生产所述的抗体,或其抗原结合片段。
本发明还一方面提供了一种药物组合物,其中,所述药物组合物包含上述的抗体,或其抗原结合片段。
在本发明的一个优选实施方案中,所述药物组合物包含治疗有效量的中和抗体,或其抗原结合片段,以及药用载体或稀释剂。本领域技术人员可以采用适当的药用载体或者稀释剂,与治疗有效量的所述中和抗体,或其抗原结合片段组合,施用于患者,用于治疗或预防冠状病毒所导致的疾病。
本发明还一方面提供了上述的抗体,或其抗原结合片段,或者上述的药物组合物,在制备治疗或预防冠状病毒所导致的疾病的药物方面的用途。
在本发明的一个优选实施方案中,所述用途是指在制备治疗或预防SARS-CoV-2、SARS-CoV或类SARS冠状病毒所导致的疾病的药物方面的用途。
本发明一方面还提供了治疗或预防治疗或预防冠状病毒所导致的疾病的方法,向患者施用治疗有效量的上述的抗体,或其抗原结合片段;或者向患者施用包含有治疗有效量的上述的抗体,或其抗原结合片段的药物组合物。优选的,冠状病毒所导致的疾病是SARS-CoV-2、SARS-CoV或类SARS冠状病毒所导致的疾病。
本发明还一方面提供了一种检测产品,其中,所述检测产品包含如上述的抗体,或其抗原结合片段。
所述检测产品用于检测冠状病毒在样品中的存在或水平。
在本发明的一个具体实施方案中,所述检测产品包括,但不限于,检测试剂、检测试剂盒、检测芯片或试纸等。
本发明的上述抗体或其抗原结合片段可以通过化学方法或者基因工程的方法进行标记,标记后的抗体或其抗原结合片段可以用于检测;标记后的抗体或其抗原结合片段,落入本发明的保护范围之内。
具体的检测方法,可以采用以下步骤,1)提供样品;2)将所述样品与上述本发明的冠状病毒的抗体或其抗原结合片段进行接触;3)检测样品与抗体或其抗原结合片段之间的免疫反应。
发明人利用B细胞体外单克隆培养和高通量抗体筛选技术获得了一系列冠状病毒的抗体及其抗原结合片段,这些抗体及其抗原结合片段对于SARS-CoV-2病毒具有强效结合能力和中和能力,并且均能够识别并结合SARS-CoV-2病毒的S1蛋白及其RBD,有非常强的亲和力,由此可以推测本发明的一系列冠状病毒的抗体及其抗原结合片段对于其他冠状病毒,以及未来可能出现的冠状病毒也可能具有结合能力和中和能力,未来具有良好的临床应用前景。
附图说明
图1为单抗4L12识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
图2为单抗12F5识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
图3为单抗3D13识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
图4为单抗10C2识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
图5为单抗16L9识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
图6为单抗20E21识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
图7为单抗22H22识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
图8为单抗4L12结合SARS-CoV-2病毒的S1蛋白的RBD的亲和力检测结果;
图9为单抗12F5结合SARS-CoV-2病毒的S1蛋白的RBD的亲和力检测结果;
图10为单抗3D13结合SARS-CoV-2病毒的S1蛋白的RBD的亲和力检测结果;
图11为单抗10C2结合SARS-CoV-2病毒的S1蛋白的RBD的亲和力检测结果;
图12为单抗16L9结合SARS-CoV-2病毒的S1蛋白的RBD的亲和力检测结果;
图13为单抗20E21结合SARS-CoV-2病毒的S1蛋白的RBD的亲和力检测结果;
图14为单抗22H22结合SARS-CoV-2病毒的S1蛋白的RBD的亲和力检测结果。
具体实施方式
以下将结合附图所示的具体实施方式对本发明进行详细描述。但这些实施方式并不限制本发明,本领域的普通技术人员根据这些实施方式所做出的结构、方法、或功能上的变换均包含在本发明的保护范围内。
现在将参考附图更全面地描述示例实施方式。然而,示例实施方式能够以多种形式实施,且不应被理解为限于在此阐述的实施方式;相反,提供这些实施方式使得本发明将全面和完整,并将示例实施方式的构思全面地传达给本领域的技术人员。
下面实施例中所用的材料、试剂等,如无特殊说明,均可从商业途径得到。实施例中未注明具体技术或条件者,按照本领域内的文献所描述的技术或条件(例如参考J.萨姆布鲁克等著,黄培堂等译的《分子克隆实验指南》第三版,科学出版社)或按照产品说明书进行。
实施例1:冠状病毒的抗体的筛选和检测
发明人对2020年1月20日至2020年2月26日收治在发明人所在单位(上海市公共卫生临床中心)的新型冠状病毒肺炎患者(康复出院两周后随访)的血浆进行假病毒中和实验筛选,发现其中三名轻症患者的血清对于SARS-CoV-2假病毒中和活性很强,经发明人所在单位伦理委员会及患者本人书面同意,抽取其外周血进行研究。
1、外周血记忆B细胞的分选
1)分离外周血淋巴细胞:抽取上述患者恢复期的外周血与等量的生理盐水混合后,采用淋巴细胞分离液Lymphoprep(Stemcell Technologies,货号07851)分离外周血淋巴细胞,操作过程参见淋巴细胞分离液说明书。
2)分选外周血记忆B细胞:采用抗体混合物对上述步骤1)分离的外周血淋巴细胞在4℃和暗处染色30min,其中,抗体混合物为抗CD19-PE-Cy7(BD Bioscience)、IgA-APC(Jackson Immunoresearch)、IgD-FITC(BD Bioscience)和IgM-PE(JacksonImmunoresearch)构成的混合物;染色后,用10ml PBS-BSA缓冲液洗涤,并重悬浮在500μlPBS-BSA中;最后用FACSAria III细胞分选仪(Becton Dickinson)分选出CD19+IgA-IgD-IgM-记忆B细胞。
2、外周血记忆B细胞的孵育
将上述分选出的CD19+IgA-IgD-IgM-记忆B细胞重悬浮于含有10%FBS和100U/mlIL-2、50ng/ml IL-21以及辐照过的3T3-msCD40L饲养细胞的培养基中;将记忆B细胞以4个细胞/孔的密度接种在384孔微量滴定板中(终体积为50μl),孵育13天;生长因子IL-2和IL-21刺激记忆B细胞分裂生长,分泌抗体到孵育的培养液中。具体培养方法见参考文献HuangJ et al.Nature Protocols 2013,8(10):1907-15。
3、SARS-CoV-2和SARS-CoV假病毒的生产
SARS-CoV-2和SARS-CoV假病毒是表面分别具有SARS-CoV-2和SARS-CoV刺突膜蛋白(Spike,S),并携带荧光素酶报告基因的非复制缺陷型逆转录病毒颗粒,它们可以分别模拟SARS-CoV-2、SARS-CoV病毒对宿主细胞(如人肝癌细胞系Huh-7、稳定表达人ACE2受体的293T细胞系293T-ACE2)的感染过程,并在感染细胞内表达荧光素酶报告基因。由于假病毒感染无法产生成熟的病毒颗粒,因此可以安全地在生物安全二级实验室内进行相关操作。
SARS-CoV-2和SARS-CoV假病毒分别通过各自的S蛋白表达质粒和带荧光素酶报告基因的HIV Env缺陷的骨架质粒(pNL4-3.Luc.R-E-)共转染293T细胞获得。SARS-CoV-2和SARS-CoV的S基因序列根据NCBI GenBank序列NC_045512和ABD72979.1设计,基因序列经密码子优化后,由南京金斯瑞公司合成,并连接到pcDNA3.1真核表达载体构建成SARS-CoV-2和SARS-CoV S蛋白表达质粒。pNL4-3.Luc.R-E-骨架质粒源自美国NIH AIDS ReagentProgram。所有质粒通过转化DH5α感受态细胞扩增,并利用美基生物生产的质粒纯化试剂盒纯化,纯化操作过程参照试剂盒说明书。
293T细胞在含10%胎牛血清(Gibco)的DMEM培养基培养,转染前接种到10cm细胞平皿中。培养24小时后,利用EZ Trans细胞转染试剂(李记生物)将骨架质粒(pNL4-3.Luc.R-E-)与表达SARS-CoV或SARS-CoV-2质粒以3:1的比例共转染293T细胞,详细转染方法参见EZ Trans细胞转染试剂的使用说明书。转染48小时后,收取含有假病毒的上清液,1500转离心10分钟去除细胞碎片后并分装冻存于-80℃冰箱,用于中和抗体的检测。
4、中和筛选
外周血记忆B细胞在体外培养13天后,每孔收集40μl培养上清液用于检测SARS-CoV-2和SARS-CoV的中和抗体。检测方法如下:取20μl培养上清与20μl上述生产获得的假病毒的上清液,在384孔细胞培养板中混合,室温孵育30分钟后,每孔加入50μl 5000个293T-ACE2细胞并继续在细胞培养箱内培养。48小时后,利用荧光素酶检测试剂盒(LuciferaseAssay System,Promega Cat.#E1500)裂解细胞并检测每孔的荧光素酶活性,具体检测方法参照试剂盒说明书。利用多功能酶标仪(Perkin Elmer)检测每孔化学发光RLU值。根据培养上清与病毒对照RLU值的比例计算培养上清对假病毒的中和抑制百分比,筛选出抑制百分比大于90%的孔作为病毒中和阳性孔。
5、RT-PCR扩增重链和轻链基因
病毒中和阳性孔的B细胞,利用RT-PCR扩增免疫球蛋白基因的重链和轻链的可变区。RT-PCR的引物设计和具体操作过程见参考文献Tiller,T.et al.J.Immunol Methods2018,329:112–124.扩增获得的抗体重链和轻链可变区基因经琼脂糖凝胶电泳纯化回收后,利用PMD19-T vector克隆试剂盒(Takara 6013)克隆到PMD19-T载体中,具体操作过程参见试剂盒说明书,并挑选出单克隆进行基因测序。
6、单克隆抗体的表达和纯化
测序正确的抗体重链可变区基因与pCMV/R-10E8重链基因(NIH AIDS ReagentProgram Cat 12290)分别经Age I和Sal I酶切后,连接胶纯化回收后的目的片段并转化DH5α感受态细胞构建抗体表达重链质粒;测序正确的抗体Lambda或Kappa轻链可变区基因与pCMV/R-10E8 Lambda轻链基因表达质粒(NIH AIDS Reagent Program Cat 12291)或pCMV/R-N6 Kapp轻链基因表达质粒(NIH AIDS Reagent Program Cat 12966)分别经Age I和Xho I或Age I和BsiwI酶切后,连接胶纯化回收后的目的片段并转化DH5α感受态细胞构建抗体表达轻链质粒;抗体重链、轻链质粒经质粒纯化试剂盒(美基生物)纯化(参见图1为表达纯化的抗体SDS-PAGE检测结果),并利用EZ Trans细胞转染试剂(李记生物)以1:1的比例共转染293T细胞表达。72小时后,收集细胞转染上清,利用protein-G柱(天地人和生物科技公司,常州)纯化上清中的抗体IgG,纯化方法参照protein-G柱的使用说明。纯化获得的抗体IgG利用Nanodrop 2000(Thermo Fisher)测定280nm吸光值并计算抗体浓度。
通过上述1-6部分,本申请发明人获得了数个IgG抗体,本申请公开其中7个抗体(名称依次为:4L12、12F5、3D13、10C2、16L9、20E21和22H22)。
7个抗体的氨基酸序列编号信息如下表1:
表1
Figure BDA0002713640810000141
7个抗体的核苷酸序列编号信息如下表2:
表2
Figure BDA0002713640810000142
Figure BDA0002713640810000151
7、本申请的7个单抗(4L12、12F5、3D13、10C2、16L9、20E21和22H22)对SARS-CoV-2冠状病毒的中和活性的检测
在96孔细胞板上测试不同浓度的单抗抑制假病毒感染Huh-7细胞来检测单抗对SARS-CoV-2冠状病毒中和能力。
检测方法如下:1)Huh-7细胞接种于96孔细胞板,每孔接种1X104个,37℃,5%CO2细胞培养箱培养24小时;2)将单抗以细胞培养基稀释成不同浓度,与等体积含100TCID50的假病毒稀释液混合,在37℃孵育1小时;3)弃掉细胞培养液,每孔加入50μl病毒抗体复合物,设置复孔,同时设置无抗体组,无病毒组及阳性血清对照组;4)培养12小时后,每孔加入150μl维持液,37℃继续培养48h;5)利用荧光素酶检测试剂盒(Luciferase Assay System,Promega Cat.#E1500)裂解细胞并检测每孔的荧光素酶活性,具体检测方法参照试剂盒说明书;利用多功能酶标仪(Perkin Elmer)检测每孔化学发光RLU值;6)根据单抗与病毒对照RLU值的比例计算不同浓度单抗对假病毒的中和抑制百分比,并利用PRISM7软件(GraphPad)计算出单抗抑制病毒的半数抑制剂量IC50。
结果参见下表3。
表3
Figure BDA0002713640810000152
Figure BDA0002713640810000161
从表3中可以看出,4L12、12F5、3D13、10C2、16L9、20E21、22H22这7个单抗在ng/ml级别的浓度下就能很好地中和SARS-CoV-2病毒,中和活性非常强。中和活性越强,应用时的抗体用量就越少,成本越低。因此,4L12、12F5、3D13、10C2、16L9、20E21、22H22这7个抗体有较好的临床应用前景。
8、本申请的7个单抗(4L12、12F5、3D13、10C2、16L9、20E21和22H22)识别SARS-CoV-2病毒的S1蛋白及其RBD蛋白的检测
上述纯化获得的7个单抗对SARS-CoV-2病毒的S1和RBD蛋白的识别,依次通过酶联免疫吸附(ELISA)的方法检测。
检测方法如下:将1μg/ml的抗原蛋白(义翘神州)包被于96孔ELISA板中,4℃过夜。用PBS-T溶液(0.2%吐温-20)洗板5次,每孔加入300μl封闭液(PBS,1%FBS,5%milk)室温封闭1小时。PBS-T洗板3次,将单抗用PBS稀释液(PBS,5%FBS,2%BSA,1%Tween-20)进行5倍系列稀释后,取100μl样本加入到ELISA板中,37℃孵育1小时。PBS-T洗板5次,每孔加入100μl用PBS稀释液1:2500稀释的辣根过氧化物酶标记的山羊抗人IgG抗体(JacksonImmunoresearch),室温孵育1小时。PBS-T洗板5次,加入150μl ABTS显色底物(ThermoFisher),室温避光显色30分钟后,通过酶标仪读取405nm波长的吸光度值。
参见图1,单抗4L12识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
参见图2,单抗12F5识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
参见图3,单抗3D13识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
参见图4,单抗10C2识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
参见图5,单抗16L9识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
参见图6,单抗20E21识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果;
参见图7,单抗22H22识别SARS-CoV-2病毒的S1蛋白及其RBD,和S2蛋白的检测结果。
从图1-7可以看出,单抗4L12、12F5、3D13、10C2、16L9、20E21和22H22均能够识别并结合SARS-CoV-2病毒的S1蛋白及其RBD(保守区域);鉴于冠状病毒的S1蛋白的RBD是ACE2受体结合的区域,其具有高度保守性,由此可以推测到,本申请的单抗4L12、12F5、3D13、10C2、16L9、20E21和22H22除了对于SARS-CoV-2病毒有强结合能力与中和能力以外,对于其他冠状病毒,以及未来可能出现的冠状病毒也可能具有结合能力和中和能力。
8.生物膜层干涉技术检测本申请的7个单抗(4L12、12F5、3D13、10C2、16L9、20E21和22H22)与SARS-CoV-2病毒的S1蛋白的RBD的结合能力
为了检测本申请的7个单抗与SARS-CoV-2病毒的S1蛋白的RBD之间的相互作用,采用生物膜层干涉技术对它们之间的结合动力学进行检测,检测过程在OctetRED96(Fortebio)仪器上进行。
检测方法如下:提前将AHC探针在无菌水中浸泡10分钟进行平衡,检测的过程全部在30℃的反应条件下进行,可以分为以下五个步骤,1)调零:将探针浸入在无菌水中作用60秒获得检测基线;2)捕获抗体:将探针浸入10μg/ml的单抗溶液中作用200秒捕获抗体;3)再次调零:将探针浸入缓冲液(加入0.02%Tween20的PBS溶液)中作用120秒去除未结合的抗体;4)结合RBD:将探针浸入起始浓度为100nM、3倍梯度稀释的RBD蛋白溶液中,作用300秒得到单抗与RBD结合的动态曲线;5)结合解离:将探针放入缓冲液中作用300秒。蛋白的结合引起生物膜厚度的变化,导致干涉光波发生相对位移,被光谱仪检测到,形成干涉光谱,以干涉图谱的实时位移(nm)显示出来。以此检测RBD与本申请的单抗结合解离的动态曲线。在数据分析时样本孔的数据减去缓冲液对照孔的数据,扣除缓冲溶液的非特异性干扰,采用1:1结合模型,对不同的RBD稀释浓度下与单抗的结合进行整体曲线拟合,得到平均结合常数Kon、解离常数Koff以及亲和力常数KD值。
检测结果参见图8-14,依次为单抗4L12、12F5、3D13、10C2、16L9、20E21和22H22结合SARS-CoV-2病毒的S1蛋白的RBD的亲和力检测结果;每幅图中都有五条曲线,这五条曲线代表该单抗与五种不同浓度RBD的动态结合解离曲线。
从图8-14可以看出,本申请的7个单抗4L12、12F5、3D13、10C2、16L9、20E21和22H22均与SARS-CoV-2病毒的S1蛋白的RBD结合呈浓度梯度依赖;结合后进行解离,解离的RBD非常少;7个单抗4L12、12F5、3D13、10C2、16L9、20E21和22H22的KD值依次为(1.49±0.06)nM、(2.22±0.07)nM、(4.17±0.15)nM、(3.36±0.18)nM、(1.21±0.06)nM、(2.3±0.07)nM、(5.07±0.2)nM;显示了本申请的7个单抗与SARS-CoV-2的S1蛋白的RBD保守区域有非常强的亲和力。由此可以推断,上述第7部分证明的本申请的7个单抗4L12、12F5、3D13、10C2、16L9、20E21和22H22对于SARS-CoV-2病毒的S1蛋白的RBD具有强中和活性,是由于本申请的7个单抗对于SARS-CoV-2病毒的S1蛋白的RBD保守区域有非常强的亲和力的结果。综合表1和图1-14的结果,进一步验证了本申请的7个单抗4L12、12F5、3D13、10C2、16L9、20E21和22H22除了对于SARS-CoV-2有强结合能力与中和能力以外,对于其他冠状病毒,以及未来可能出现的冠状病毒也可能具有结合能力和中和能力。
应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施方式中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。
上文所列出的一系列的详细说明仅仅是针对本发明的可行性实施方式的具体说明,它们并非用以限制本发明的保护范围,凡未脱离本发明技艺精神所作的等效实施方式或变更均应包含在本发明的保护范围之内。
序列表
<110> 上海市公共卫生临床中心
<120> 冠状病毒的中和抗体或其抗原结合片段
<160> 98
<170> SIPOSequenceListing 1.0
<210> 1
<211> 8
<212> PRT
<213> Artificial Sequence
<400> 1
Gly Ile Thr Val Ser Ser Asn Tyr
1 5
<210> 2
<211> 7
<212> PRT
<213> Artificial Sequence
<400> 2
Leu Tyr Ser Gly Gly Ser Thr
1 5
<210> 3
<211> 11
<212> PRT
<213> Artificial Sequence
<400> 3
Ala Arg Asp Leu Ile Thr Tyr Gly Met Asp Val
1 5 10
<210> 4
<211> 117
<212> PRT
<213> Artificial Sequence
<400> 4
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Ile Thr Val Ser Ser Asn
20 25 30
Tyr Met Asn Trp Val Arg Gln Ala Pro Gly Arg Gly Leu Glu Trp Val
35 40 45
Ser Leu Leu Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Asp Leu Ile Thr Tyr Gly Met Asp Val Trp Gly Gln Gly Thr Thr
100 105 110
Val Thr Val Ser Ser
115
<210> 5
<211> 6
<212> PRT
<213> Artificial Sequence
<400> 5
Gln Gly Ile Ser Ser Tyr
1 5
<210> 6
<211> 3
<212> PRT
<213> Artificial Sequence
<400> 6
Ala Ala Ser
1
<210> 7
<211> 10
<212> PRT
<213> Artificial Sequence
<400> 7
Gln Gln Leu Asn Ser Tyr Pro Pro Leu Thr
1 5 10
<210> 8
<211> 108
<212> PRT
<213> Artificial Sequence
<400> 8
Ala Ile Gln Leu 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 Gly Ile Ser Ser Tyr
20 25 30
Leu Ala 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 Gln Gln Leu Asn Ser Tyr Pro Pro
85 90 95
Leu Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 9
<211> 447
<212> PRT
<213> Artificial Sequence
<400> 9
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Ile Thr Val Ser Ser Asn
20 25 30
Tyr Met Asn Trp Val Arg Gln Ala Pro Gly Arg Gly Leu Glu Trp Val
35 40 45
Ser Leu Leu Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Asp Leu Ile Thr Tyr Gly Met Asp Val Trp Gly Gln Gly Thr Thr
100 105 110
Val Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu
115 120 125
Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys
130 135 140
Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser
145 150 155 160
Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu Gln Ser
165 170 175
Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser
180 185 190
Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn
195 200 205
Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys Thr His
210 215 220
Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val
225 230 235 240
Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr
245 250 255
Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu
260 265 270
Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys
275 280 285
Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser
290 295 300
Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys
305 310 315 320
Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile
325 330 335
Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro
340 345 350
Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr Cys Leu
355 360 365
Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn
370 375 380
Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser
385 390 395 400
Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg
405 410 415
Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu
420 425 430
His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys
435 440 445
<210> 10
<211> 215
<212> PRT
<213> Artificial Sequence
<400> 10
Ala Ile Gln Leu 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 Gly Ile Ser Ser Tyr
20 25 30
Leu Ala 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 Gln Gln Leu Asn Ser Tyr Pro Pro
85 90 95
Leu Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys Arg Thr Val Ala
100 105 110
Ala Pro Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser
115 120 125
Gly Thr Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu
130 135 140
Ala Lys Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser
145 150 155 160
Gln Glu Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu
165 170 175
Ser Ser Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val
180 185 190
Tyr Ala Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys
195 200 205
Ser Phe Asn Arg Gly Glu Cys
210 215
<210> 11
<211> 8
<212> PRT
<213> Artificial Sequence
<400> 11
Gly Phe Thr Val Ser Ser Asn Tyr
1 5
<210> 12
<211> 7
<212> PRT
<213> Artificial Sequence
<400> 12
Ile Tyr Ser Gly Gly Ser Thr
1 5
<210> 13
<211> 11
<212> PRT
<213> Artificial Sequence
<400> 13
Ala Arg Asp Leu Ile Asp Tyr Gly Met Asp Val
1 5 10
<210> 14
<211> 117
<212> PRT
<213> Artificial Sequence
<400> 14
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Val Ser Ser Asn
20 25 30
Tyr Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Phe Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Asp Leu Ile Asp Tyr Gly Met Asp Val Trp Gly Gln Gly Thr Thr
100 105 110
Val Thr Val Ser Ser
115
<210> 15
<211> 6
<212> PRT
<213> Artificial Sequence
<400> 15
Gln Gly Ile Ser Ser Tyr
1 5
<210> 16
<211> 3
<212> PRT
<213> Artificial Sequence
<400> 16
Ala Ala Ser
1
<210> 17
<211> 10
<212> PRT
<213> Artificial Sequence
<400> 17
Gln Gln Leu Asn Ser Tyr Pro Pro Tyr Thr
1 5 10
<210> 18
<211> 108
<212> PRT
<213> Artificial Sequence
<400> 18
Asp Ile Gln Leu Thr Gln Ser Pro Ser Phe Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Gly Ile Ser Ser Tyr
20 25 30
Leu Ala 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 Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Leu Asn Ser Tyr Pro Pro
85 90 95
Tyr Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys
100 105
<210> 19
<211> 447
<212> PRT
<213> Artificial Sequence
<400> 19
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Val Ser Ser Asn
20 25 30
Tyr Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Phe Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Asp Leu Ile Asp Tyr Gly Met Asp Val Trp Gly Gln Gly Thr Thr
100 105 110
Val Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro Leu
115 120 125
Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly Cys
130 135 140
Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn Ser
145 150 155 160
Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu Gln Ser
165 170 175
Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser Ser
180 185 190
Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser Asn
195 200 205
Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys Thr His
210 215 220
Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser Val
225 230 235 240
Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr
245 250 255
Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu
260 265 270
Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys
275 280 285
Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val Ser
290 295 300
Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys
305 310 315 320
Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr Ile
325 330 335
Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro
340 345 350
Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr Cys Leu
355 360 365
Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn
370 375 380
Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp Ser
385 390 395 400
Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg
405 410 415
Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu
420 425 430
His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys
435 440 445
<210> 20
<211> 215
<212> PRT
<213> Artificial Sequence
<400> 20
Asp Ile Gln Leu Thr Gln Ser Pro Ser Phe Leu Ser Ala Ser Val Gly
1 5 10 15
Asp Arg Val Thr Ile Thr Cys Arg Ala Ser Gln Gly Ile Ser Ser Tyr
20 25 30
Leu Ala 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 Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Leu Asn Ser Tyr Pro Pro
85 90 95
Tyr Thr Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys Arg Thr Val Ala
100 105 110
Ala Pro Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser
115 120 125
Gly Thr Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu
130 135 140
Ala Lys Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser
145 150 155 160
Gln Glu Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu
165 170 175
Ser Ser Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val
180 185 190
Tyr Ala Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys
195 200 205
Ser Phe Asn Arg Gly Glu Cys
210 215
<210> 21
<211> 8
<212> PRT
<213> Artificial Sequence
<400> 21
Gly Leu Thr Val Ser Ser Asn Tyr
1 5
<210> 22
<211> 7
<212> PRT
<213> Artificial Sequence
<400> 22
Ile Tyr Ser Gly Gly Ser Ala
1 5
<210> 23
<211> 12
<212> PRT
<213> Artificial Sequence
<400> 23
Ala Arg Asp Leu Ser Ser Ala Gly Gly Met Asp Val
1 5 10
<210> 24
<211> 118
<212> PRT
<213> Artificial Sequence
<400> 24
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Val Ser Ser Asn
20 25 30
Tyr Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Ala Phe Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Asp Leu Ser Ser Ala Gly Gly Met Asp Val Trp Gly Gln Gly Thr
100 105 110
Thr Val Thr Val Ser Ser
115
<210> 25
<211> 7
<212> PRT
<213> Artificial Sequence
<400> 25
Gln Ser Val Ser Ser Ser Tyr
1 5
<210> 26
<211> 3
<212> PRT
<213> Artificial Sequence
<400> 26
Gly Ala Ser
1
<210> 27
<211> 9
<212> PRT
<213> Artificial Sequence
<400> 27
Gln Gln Tyr Gly Ser Ser Pro Gly Thr
1 5
<210> 28
<211> 108
<212> PRT
<213> Artificial Sequence
<400> 28
Glu Ile Val Leu Thr Gln Ser Pro Gly Thr Leu Ser Leu Ser Pro Gly
1 5 10 15
Glu Arg Val Thr Leu Ser Cys Arg Ala Ser Gln Ser Val Ser Ser Ser
20 25 30
Tyr Leu Ala Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu
35 40 45
Ile Tyr Gly Ala Ser Ser Arg Ala Thr Gly Ile Pro Asp Arg Phe Ser
50 55 60
Gly Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Arg Leu Glu
65 70 75 80
Pro Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Tyr Gly Ser Ser Pro
85 90 95
Gly Thr Phe Gly Gln Gly Thr Lys Val Glu Ile Lys
100 105
<210> 29
<211> 448
<212> PRT
<213> Artificial Sequence
<400> 29
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Val Ser Ser Asn
20 25 30
Tyr Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Ala Phe Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Asp Leu Ser Ser Ala Gly Gly Met Asp Val Trp Gly Gln Gly Thr
100 105 110
Thr Val Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro
115 120 125
Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly
130 135 140
Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn
145 150 155 160
Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu Gln
165 170 175
Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser
180 185 190
Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser
195 200 205
Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys Thr
210 215 220
His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser
225 230 235 240
Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg
245 250 255
Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro
260 265 270
Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala
275 280 285
Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val
290 295 300
Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr
305 310 315 320
Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr
325 330 335
Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu
340 345 350
Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr Cys
355 360 365
Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser
370 375 380
Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp
385 390 395 400
Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser
405 410 415
Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala
420 425 430
Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys
435 440 445
<210> 30
<211> 215
<212> PRT
<213> Artificial Sequence
<400> 30
Glu Ile Val Leu Thr Gln Ser Pro Gly Thr Leu Ser Leu Ser Pro Gly
1 5 10 15
Glu Arg Val Thr Leu Ser Cys Arg Ala Ser Gln Ser Val Ser Ser Ser
20 25 30
Tyr Leu Ala Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu
35 40 45
Ile Tyr Gly Ala Ser Ser Arg Ala Thr Gly Ile Pro Asp Arg Phe Ser
50 55 60
Gly Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Arg Leu Glu
65 70 75 80
Pro Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Tyr Gly Ser Ser Pro
85 90 95
Gly Thr Phe Gly Gln Gly Thr Lys Val Glu Ile Lys Arg Thr Val Ala
100 105 110
Ala Pro Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser
115 120 125
Gly Thr Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu
130 135 140
Ala Lys Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser
145 150 155 160
Gln Glu Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu
165 170 175
Ser Ser Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val
180 185 190
Tyr Ala Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys
195 200 205
Ser Phe Asn Arg Gly Glu Cys
210 215
<210> 31
<211> 8
<212> PRT
<213> Artificial Sequence
<400> 31
Gly Leu Thr Val Ser Ser Asn Tyr
1 5
<210> 32
<211> 7
<212> PRT
<213> Artificial Sequence
<400> 32
Ile Tyr Ser Gly Gly Ser Thr
1 5
<210> 33
<211> 13
<212> PRT
<213> Artificial Sequence
<400> 33
Ala Arg Leu Leu Val Ala Thr Ile Arg Asp Phe Asp Tyr
1 5 10
<210> 34
<211> 119
<212> PRT
<213> Artificial Sequence
<400> 34
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Val Ser Ser Asn
20 25 30
Tyr Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Leu Leu Val Ala Thr Ile Arg Asp Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 35
<211> 6
<212> PRT
<213> Artificial Sequence
<400> 35
Gln Ser Val Ser Ser Asn
1 5
<210> 36
<211> 3
<212> PRT
<213> Artificial Sequence
<400> 36
Gly Ala Ser
1
<210> 37
<211> 10
<212> PRT
<213> Artificial Sequence
<400> 37
Gln Gln Tyr Asn Asn Trp Pro Pro Trp Thr
1 5 10
<210> 38
<211> 108
<212> PRT
<213> Artificial Sequence
<400> 38
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly
1 5 10 15
Glu Arg Ala Thr Leu Ser Cys Arg Ala Ser Gln Ser Val Ser Ser Asn
20 25 30
Leu Ala Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile
35 40 45
Tyr Gly Ala Ser Thr Arg Ala Thr Gly Ile Pro Ala Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser
65 70 75 80
Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Tyr Asn Asn Trp Pro Pro
85 90 95
Trp Thr Phe Gly Gln Gly Thr Lys Val Glu Ile Lys
100 105
<210> 39
<211> 449
<212> PRT
<213> Artificial Sequence
<400> 39
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Val Ser Ser Asn
20 25 30
Tyr Met Asn Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Leu Leu Val Ala Thr Ile Arg Asp Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe
115 120 125
Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu
130 135 140
Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp
145 150 155 160
Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu
165 170 175
Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser
180 185 190
Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro
195 200 205
Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys
210 215 220
Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro
225 230 235 240
Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser
245 250 255
Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp
260 265 270
Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn
275 280 285
Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val
290 295 300
Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu
305 310 315 320
Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys
325 330 335
Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr
340 345 350
Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr
355 360 365
Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu
370 375 380
Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu
385 390 395 400
Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys
405 410 415
Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu
420 425 430
Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly
435 440 445
Lys
<210> 40
<211> 215
<212> PRT
<213> Artificial Sequence
<400> 40
Glu Ile Val Met Thr Gln Ser Pro Ala Thr Leu Ser Val Ser Pro Gly
1 5 10 15
Glu Arg Ala Thr Leu Ser Cys Arg Ala Ser Gln Ser Val Ser Ser Asn
20 25 30
Leu Ala Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile
35 40 45
Tyr Gly Ala Ser Thr Arg Ala Thr Gly Ile Pro Ala Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Glu Phe Thr Leu Thr Ile Ser Ser Leu Gln Ser
65 70 75 80
Glu Asp Phe Ala Val Tyr Tyr Cys Gln Gln Tyr Asn Asn Trp Pro Pro
85 90 95
Trp Thr Phe Gly Gln Gly Thr Lys Val Glu Ile Lys Arg Thr Val Ala
100 105 110
Ala Pro Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser
115 120 125
Gly Thr Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu
130 135 140
Ala Lys Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser
145 150 155 160
Gln Glu Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu
165 170 175
Ser Ser Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val
180 185 190
Tyr Ala Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys
195 200 205
Ser Phe Asn Arg Gly Glu Cys
210 215
<210> 41
<211> 8
<212> PRT
<213> Artificial Sequence
<400> 41
Gly Phe Thr Val Ser Ser Asn Tyr
1 5
<210> 42
<211> 7
<212> PRT
<213> Artificial Sequence
<400> 42
Ile Tyr Ser Gly Gly Ser Thr
1 5
<210> 43
<211> 15
<212> PRT
<213> Artificial Sequence
<400> 43
Ala Arg Gly Glu Ile Gln Pro Tyr Tyr Tyr Tyr Gly Met Asp Val
1 5 10 15
<210> 44
<211> 121
<212> PRT
<213> Artificial Sequence
<400> 44
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Val Ser Ser Asn
20 25 30
Tyr Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Glu Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Gly Glu Ile Gln Pro Tyr Tyr Tyr Tyr Gly Met Asp Val Trp Gly
100 105 110
Gln Gly Thr Thr Val Thr Val Ser Ser
115 120
<210> 45
<211> 9
<212> PRT
<213> Artificial Sequence
<400> 45
Ser Ser Asp Phe Gly Gly Tyr Asn Ser
1 5
<210> 46
<211> 3
<212> PRT
<213> Artificial Sequence
<400> 46
Glu Val Ser
1
<210> 47
<211> 11
<212> PRT
<213> Artificial Sequence
<400> 47
Ser Ser Tyr Ala Gly Ser Asn Asn Phe Asp Val
1 5 10
<210> 48
<211> 111
<212> PRT
<213> Artificial Sequence
<400> 48
Gln Ser Val Leu Thr Gln Pro Pro Ser Ala Ser Gly Ser Pro Gly Gln
1 5 10 15
Ser Val Thr Ile Ser Cys Thr Gly Thr Ser Ser Asp Phe Gly Gly Tyr
20 25 30
Asn Ser Val Ser Trp Tyr Gln Gln His Pro Gly Lys Ala Pro Lys Leu
35 40 45
Met Ile Tyr Glu Val Ser Lys Arg Pro Ser Gly Val Pro Asp Arg Phe
50 55 60
Ser Gly Ser Lys Ser Gly Asn Thr Ala Ser Leu Thr Val Ser Gly Leu
65 70 75 80
Gln Ala Glu Asp Glu Ala Asp Tyr Tyr Cys Ser Ser Tyr Ala Gly Ser
85 90 95
Asn Asn Phe Asp Val Phe Gly Thr Gly Thr Lys Val Thr Val Leu
100 105 110
<210> 49
<211> 451
<212> PRT
<213> Artificial Sequence
<400> 49
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Val Ser Ser Asn
20 25 30
Tyr Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Glu Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Gly Glu Ile Gln Pro Tyr Tyr Tyr Tyr Gly Met Asp Val Trp Gly
100 105 110
Gln Gly Thr Thr Val Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser
115 120 125
Val Phe Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala
130 135 140
Ala Leu Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val
145 150 155 160
Ser Trp Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala
165 170 175
Val Leu Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val
180 185 190
Pro Ser Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His
195 200 205
Lys Pro Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys
210 215 220
Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly
225 230 235 240
Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met
245 250 255
Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His
260 265 270
Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val
275 280 285
His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr
290 295 300
Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly
305 310 315 320
Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile
325 330 335
Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val
340 345 350
Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser
355 360 365
Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu
370 375 380
Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro
385 390 395 400
Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val
405 410 415
Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met
420 425 430
His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser
435 440 445
Pro Gly Lys
450
<210> 50
<211> 217
<212> PRT
<213> Artificial Sequence
<400> 50
Gln Ser Val Leu Thr Gln Pro Pro Ser Ala Ser Gly Ser Pro Gly Gln
1 5 10 15
Ser Val Thr Ile Ser Cys Thr Gly Thr Ser Ser Asp Phe Gly Gly Tyr
20 25 30
Asn Ser Val Ser Trp Tyr Gln Gln His Pro Gly Lys Ala Pro Lys Leu
35 40 45
Met Ile Tyr Glu Val Ser Lys Arg Pro Ser Gly Val Pro Asp Arg Phe
50 55 60
Ser Gly Ser Lys Ser Gly Asn Thr Ala Ser Leu Thr Val Ser Gly Leu
65 70 75 80
Gln Ala Glu Asp Glu Ala Asp Tyr Tyr Cys Ser Ser Tyr Ala Gly Ser
85 90 95
Asn Asn Phe Asp Val Phe Gly Thr Gly Thr Lys Val Thr Val Leu Gly
100 105 110
Gln Pro Lys Ala Ala Pro Ser Val Thr Leu Phe Pro Pro Ser Ser Glu
115 120 125
Glu Leu Gln Ala Asn Lys Ala Thr Leu Val Cys Leu Ile Ser Asp Phe
130 135 140
Tyr Pro Gly Ala Val Thr Val Ala Trp Lys Ala Asp Ser Ser Pro Val
145 150 155 160
Lys Ala Gly Val Glu Thr Thr Thr Pro Ser Lys Gln Ser Asn Asn Lys
165 170 175
Tyr Ala Ala Ser Ser Tyr Leu Ser Leu Thr Pro Glu Gln Trp Lys Ser
180 185 190
His Arg Ser Tyr Ser Cys Gln Val Thr His Glu Gly Ser Thr Val Glu
195 200 205
Lys Thr Val Ala Pro Thr Glu Cys Ser
210 215
<210> 51
<211> 8
<212> PRT
<213> Artificial Sequence
<400> 51
Gly Leu Thr Val Ser Ser Asn Tyr
1 5
<210> 52
<211> 7
<212> PRT
<213> Artificial Sequence
<400> 52
Ile Tyr Ser Gly Gly Ser Thr
1 5
<210> 53
<211> 12
<212> PRT
<213> Artificial Sequence
<400> 53
Ala Arg Asp Arg Gly Met Leu His Gly Met Asp Val
1 5 10
<210> 54
<211> 118
<212> PRT
<213> Artificial Sequence
<400> 54
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Phe Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Val Ser Ser Asn
20 25 30
Tyr Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Cys Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Asp Arg Gly Met Leu His Gly Met Asp Val Trp Gly Gln Gly Thr
100 105 110
Thr Val Thr Val Ser Ser
115
<210> 55
<211> 6
<212> PRT
<213> Artificial Sequence
<400> 55
Gln Asp Ile Ser Asn Tyr
1 5
<210> 56
<211> 3
<212> PRT
<213> Artificial Sequence
<400> 56
Asp Ala Ser
1
<210> 57
<211> 10
<212> PRT
<213> Artificial Sequence
<400> 57
Gln His Tyr Asp Asn Leu Pro Gly Leu Thr
1 5 10
<210> 58
<211> 108
<212> PRT
<213> Artificial Sequence
<400> 58
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 Gln Ala Ser Gln Asp Ile Ser Asn Tyr
20 25 30
Leu Asn Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Asp Ala Ser Asn Leu Glu Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Ile Ala Thr Tyr Tyr Cys Gln His Tyr Asp Asn Leu Pro Gly
85 90 95
Leu Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys
100 105
<210> 59
<211> 448
<212> PRT
<213> Artificial Sequence
<400> 59
Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Phe Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Val Ser Ser Asn
20 25 30
Tyr Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Cys Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Asp Arg Gly Met Leu His Gly Met Asp Val Trp Gly Gln Gly Thr
100 105 110
Thr Val Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe Pro
115 120 125
Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu Gly
130 135 140
Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp Asn
145 150 155 160
Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu Gln
165 170 175
Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser Ser
180 185 190
Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro Ser
195 200 205
Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys Thr
210 215 220
His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro Ser
225 230 235 240
Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg
245 250 255
Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro
260 265 270
Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala
275 280 285
Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val Val
290 295 300
Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr
305 310 315 320
Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys Thr
325 330 335
Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu
340 345 350
Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr Cys
355 360 365
Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser
370 375 380
Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp
385 390 395 400
Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser
405 410 415
Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala
420 425 430
Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys
435 440 445
<210> 60
<211> 215
<212> PRT
<213> Artificial Sequence
<400> 60
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 Gln Ala Ser Gln Asp Ile Ser Asn Tyr
20 25 30
Leu Asn Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Asp Ala Ser Asn Leu Glu Thr Gly Val Pro Ser Arg Phe Ser Gly
50 55 60
Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr Ile Ser Ser Leu Gln Pro
65 70 75 80
Glu Asp Ile Ala Thr Tyr Tyr Cys Gln His Tyr Asp Asn Leu Pro Gly
85 90 95
Leu Thr Phe Gly Gly Gly Thr Lys Val Glu Ile Lys Arg Thr Val Ala
100 105 110
Ala Pro Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser
115 120 125
Gly Thr Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu
130 135 140
Ala Lys Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser
145 150 155 160
Gln Glu Ser Val Thr Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu
165 170 175
Ser Ser Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val
180 185 190
Tyr Ala Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys
195 200 205
Ser Phe Asn Arg Gly Glu Cys
210 215
<210> 61
<211> 8
<212> PRT
<213> Artificial Sequence
<400> 61
Gly Leu Thr Val Ser Ser Asn Tyr
1 5
<210> 62
<211> 7
<212> PRT
<213> Artificial Sequence
<400> 62
Ile Tyr Ser Gly Gly Ser Thr
1 5
<210> 63
<211> 13
<212> PRT
<213> Artificial Sequence
<400> 63
Ala Arg Gly Tyr Gly Asp Tyr Glu Asn Tyr Phe Asp Tyr
1 5 10
<210> 64
<211> 119
<212> PRT
<213> Artificial Sequence
<400> 64
Glu Val Gln Leu Val Glu Ser Gly Gly Ala Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Val Ser Ser Asn
20 25 30
Tyr Met Thr Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Gly Tyr Gly Asp Tyr Glu Asn Tyr Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser
115
<210> 65
<211> 6
<212> PRT
<213> Artificial Sequence
<400> 65
Gln Gly Ile Ser Ser Tyr
1 5
<210> 66
<211> 3
<212> PRT
<213> Artificial Sequence
<400> 66
Ala Ala Ser
1
<210> 67
<211> 5
<212> PRT
<213> Artificial Sequence
<400> 67
Gln His Leu Trp Thr
1 5
<210> 68
<211> 103
<212> PRT
<213> Artificial Sequence
<400> 68
Ala Ile Gln Leu 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 Gly Ile Ser Ser Tyr
20 25 30
Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Thr Leu Gln Gly 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 Gln His Leu Trp Thr Phe Gly Gln
85 90 95
Gly Thr Lys Val Glu Ile Lys
100
<210> 69
<211> 449
<212> PRT
<213> Artificial Sequence
<400> 69
Glu Val Gln Leu Val Glu Ser Gly Gly Ala Leu Ile Gln Pro Gly Gly
1 5 10 15
Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Leu Thr Val Ser Ser Asn
20 25 30
Tyr Met Thr Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val
35 40 45
Ser Val Ile Tyr Ser Gly Gly Ser Thr Tyr Tyr Ala Asp Ser Val Lys
50 55 60
Gly Arg Phe Thr Ile Ser Arg Asp Asn Ser Lys Asn Thr Leu Tyr Leu
65 70 75 80
Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Ala
85 90 95
Arg Gly Tyr Gly Asp Tyr Glu Asn Tyr Phe Asp Tyr Trp Gly Gln Gly
100 105 110
Thr Leu Val Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser Val Phe
115 120 125
Pro Leu Ala Pro Ser Ser Lys Ser Thr Ser Gly Gly Thr Ala Ala Leu
130 135 140
Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val Ser Trp
145 150 155 160
Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala Val Leu
165 170 175
Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val Pro Ser
180 185 190
Ser Ser Leu Gly Thr Gln Thr Tyr Ile Cys Asn Val Asn His Lys Pro
195 200 205
Ser Asn Thr Lys Val Asp Lys Lys Val Glu Pro Lys Ser Cys Asp Lys
210 215 220
Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly Gly Pro
225 230 235 240
Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser
245 250 255
Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp
260 265 270
Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn
275 280 285
Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr Arg Val
290 295 300
Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu
305 310 315 320
Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile Glu Lys
325 330 335
Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr
340 345 350
Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser Leu Thr
355 360 365
Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu
370 375 380
Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu
385 390 395 400
Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys
405 410 415
Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu
420 425 430
Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly
435 440 445
Lys
<210> 70
<211> 210
<212> PRT
<213> Artificial Sequence
<400> 70
Ala Ile Gln Leu 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 Gly Ile Ser Ser Tyr
20 25 30
Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile
35 40 45
Tyr Ala Ala Ser Thr Leu Gln Gly 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 Gln His Leu Trp Thr Phe Gly Gln
85 90 95
Gly Thr Lys Val Glu Ile Lys Arg Thr Val Ala Ala Pro Ser Val Phe
100 105 110
Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser Gly Thr Ala Ser Val
115 120 125
Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu Ala Lys Val Gln Trp
130 135 140
Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser Gln Glu Ser Val Thr
145 150 155 160
Glu Gln Asp Ser Lys Asp Ser Thr Tyr Ser Leu Ser Ser Thr Leu Thr
165 170 175
Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val Tyr Ala Cys Glu Val
180 185 190
Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys Ser Phe Asn Arg Gly
195 200 205
Glu Cys
210
<210> 71
<211> 351
<212> DNA
<213> Artificial Sequence
<400> 71
gaggtgcagc tggtggagtc tgggggaggc ttggtccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctggaat caccgtcagt agcaactaca tgaactgggt ccgccaggct 120
ccagggaggg ggctggagtg ggtctcactt ctttatagcg gtggtagcac atactacgca 180
gactccgtga agggcagatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gctgtgtatt actgtgcgag agacttgata 300
acctacggta tggacgtctg gggccaaggg accacggtca ccgtctcctc a 351
<210> 72
<211> 324
<212> DNA
<213> Artificial Sequence
<400> 72
gccatccagt tgacccagtc tccatcctcc ctgtctgcat ctgtaggaga cagagtcacc 60
atcacttgcc gggccagtca gggcattagc agttatttag cctggtatca gcaaaaacca 120
gggaaagccc ctaagctcct gatctatgct gcatccactt tgcaaagtgg ggtcccatca 180
aggttcagcg gcagtggatc tgggacagat ttcactctca ccatcagcag cctgcagcct 240
gaagattttg caacttatta ctgtcaacag cttaatagtt acccccccct cactttcggc 300
ggagggacca aggtggaaat caaa 324
<210> 73
<211> 1341
<212> DNA
<213> Artificial Sequence
<400> 73
gaggtgcagc tggtggagtc tgggggaggc ttggtccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctggaat caccgtcagt agcaactaca tgaactgggt ccgccaggct 120
ccagggaggg ggctggagtg ggtctcactt ctttatagcg gtggtagcac atactacgca 180
gactccgtga agggcagatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gctgtgtatt actgtgcgag agacttgata 300
acctacggta tggacgtctg gggccaaggg accacggtca ccgtctcctc agcgtcgacc 360
aagggcccat cggtcttccc cctggcaccc tcctccaaga gcacctctgg gggcacagcg 420
gccctgggct gcctggtcaa ggactacttc cccgaacccg tgacggtgtc gtggaactca 480
ggcgccctga ccagcggcgt gcacaccttc ccggctgtcc tacagtcctc aggactctac 540
tccctcagca gcgtggtgac cgtgccctcc agcagcttgg gcacccagac ctacatctgc 600
aacgtgaatc acaagcccag caacaccaag gtggacaaga aagttgagcc caaatcttgt 660
gacaaaactc acacatgccc accgtgccca gcacctgaac tcctgggggg accgtcagtc 720
ttcctcttcc ccccaaaacc caaggacacc ctcatgatct cccggacccc tgaggtcaca 780
tgcgtggtgg tggacgtgag ccacgaagac cctgaggtca agttcaactg gtacgtggac 840
ggcgtggagg tgcataatgc caagacaaag ccgcgggagg agcagtacaa cagcacgtac 900
cgtgtggtca gcgtcctcac cgtcctgcac caggactggc tgaatggcaa ggagtacaag 960
tgcaaggtct ccaacaaagc cctcccagcc cccatcgaga aaaccatctc caaagccaaa 1020
gggcagcccc gagaaccaca ggtgtacacc ctgcccccat cccgggatga gctgaccaag 1080
aaccaggtca gcctgacctg cctggtcaaa ggcttctatc ccagcgacat cgccgtggag 1140
tgggagagca atgggcagcc ggagaacaac tacaagacca cgcctcccgt gctggactcc 1200
gacggctcct tcttcctcta cagcaagctc accgtggaca agagcaggtg gcagcagggg 1260
aacgtcttct catgctccgt gatgcatgag gctctgcaca accactacac gcagaagagc 1320
ctctccctgt ctccgggtaa a 1341
<210> 74
<211> 645
<212> DNA
<213> Artificial Sequence
<400> 74
gccatccagt tgacccagtc tccatcctcc ctgtctgcat ctgtaggaga cagagtcacc 60
atcacttgcc gggccagtca gggcattagc agttatttag cctggtatca gcaaaaacca 120
gggaaagccc ctaagctcct gatctatgct gcatccactt tgcaaagtgg ggtcccatca 180
aggttcagcg gcagtggatc tgggacagat ttcactctca ccatcagcag cctgcagcct 240
gaagattttg caacttatta ctgtcaacag cttaatagtt acccccccct cactttcggc 300
ggagggacca aggtggaaat caaacgtacg gtggctgcac catctgtctt catcttcccg 360
ccatctgatg agcagttgaa atctggaact gcctctgttg tgtgcctgct gaataacttc 420
taccccagag aagccaaagt gcagtggaag gtggacaacg ccctgcagag cggaaacagc 480
caggaaagcg tgacagagca ggattccaag gattccacat acagcctgag cagcacactg 540
acactgtcca aggccgacta cgagaagcac aaggtgtacg cctgcgaagt gacacaccag 600
ggactgtcct cccctgtgac aaagagcttc aacagaggag aatgc 645
<210> 75
<211> 351
<212> DNA
<213> Artificial Sequence
<400> 75
gaagtgcagc tggtggagtc tggaggaggc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggtt caccgtcagt agcaactaca tgagctgggt ccgccaggct 120
ccagggaagg ggctggaatg ggtctcagtt atttatagcg gtggtagcac attctacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtatatt actgtgcgag agatttgata 300
gactacggta tggacgtctg gggccaaggg accacggtca ccgtctcctc a 351
<210> 76
<211> 324
<212> DNA
<213> Artificial Sequence
<400> 76
gacatccagt tgacccagtc tccatccttc ctgtctgcat ctgtaggaga cagagtcacc 60
atcacttgcc gggccagtca gggcattagc agttatttag cctggtatca gcaaaaacca 120
gggaaagccc ctaagctcct gatctatgct gcatccactt tgcaaagtgg ggtcccatca 180
aggttcagcg gcagtggatc tgggacagaa ttcactctca caatcagcag cctgcagcct 240
gaagattttg caacttatta ctgtcaacag cttaatagtt accctccgta cacttttggc 300
caggggacca agctggagat caaa 324
<210> 77
<211> 1341
<212> DNA
<213> Artificial Sequence
<400> 77
gaagtgcagc tggtggagtc tggaggaggc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggtt caccgtcagt agcaactaca tgagctgggt ccgccaggct 120
ccagggaagg ggctggaatg ggtctcagtt atttatagcg gtggtagcac attctacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtatatt actgtgcgag agatttgata 300
gactacggta tggacgtctg gggccaaggg accacggtca ccgtctcctc agcgtcgacc 360
aagggcccat cggtcttccc cctggcaccc tcctccaaga gcacctctgg gggcacagcg 420
gccctgggct gcctggtcaa ggactacttc cccgaacccg tgacggtgtc gtggaactca 480
ggcgccctga ccagcggcgt gcacaccttc ccggctgtcc tacagtcctc aggactctac 540
tccctcagca gcgtggtgac cgtgccctcc agcagcttgg gcacccagac ctacatctgc 600
aacgtgaatc acaagcccag caacaccaag gtggacaaga aagttgagcc caaatcttgt 660
gacaaaactc acacatgccc accgtgccca gcacctgaac tcctgggggg accgtcagtc 720
ttcctcttcc ccccaaaacc caaggacacc ctcatgatct cccggacccc tgaggtcaca 780
tgcgtggtgg tggacgtgag ccacgaagac cctgaggtca agttcaactg gtacgtggac 840
ggcgtggagg tgcataatgc caagacaaag ccgcgggagg agcagtacaa cagcacgtac 900
cgtgtggtca gcgtcctcac cgtcctgcac caggactggc tgaatggcaa ggagtacaag 960
tgcaaggtct ccaacaaagc cctcccagcc cccatcgaga aaaccatctc caaagccaaa 1020
gggcagcccc gagaaccaca ggtgtacacc ctgcccccat cccgggatga gctgaccaag 1080
aaccaggtca gcctgacctg cctggtcaaa ggcttctatc ccagcgacat cgccgtggag 1140
tgggagagca atgggcagcc ggagaacaac tacaagacca cgcctcccgt gctggactcc 1200
gacggctcct tcttcctcta cagcaagctc accgtggaca agagcaggtg gcagcagggg 1260
aacgtcttct catgctccgt gatgcatgag gctctgcaca accactacac gcagaagagc 1320
ctctccctgt ctccgggtaa a 1341
<210> 78
<211> 645
<212> DNA
<213> Artificial Sequence
<400> 78
gacatccagt tgacccagtc tccatccttc ctgtctgcat ctgtaggaga cagagtcacc 60
atcacttgcc gggccagtca gggcattagc agttatttag cctggtatca gcaaaaacca 120
gggaaagccc ctaagctcct gatctatgct gcatccactt tgcaaagtgg ggtcccatca 180
aggttcagcg gcagtggatc tgggacagaa ttcactctca caatcagcag cctgcagcct 240
gaagattttg caacttatta ctgtcaacag cttaatagtt accctccgta cacttttggc 300
caggggacca agctggagat caaacgtacg gtggctgcac catctgtctt catcttcccg 360
ccatctgatg agcagttgaa atctggaact gcctctgttg tgtgcctgct gaataacttc 420
taccccagag aagccaaagt gcagtggaag gtggacaacg ccctgcagag cggaaacagc 480
caggaaagcg tgacagagca ggattccaag gattccacat acagcctgag cagcacactg 540
acactgtcca aggccgacta cgagaagcac aaggtgtacg cctgcgaagt gacacaccag 600
ggactgtcct cccctgtgac aaagagcttc aacagaggag aatgc 645
<210> 79
<211> 354
<212> DNA
<213> Artificial Sequence
<400> 79
gaggtgcagc tggtggagtc tggaggaggc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggct caccgtcagt agcaactaca tgagctgggt ccgccaggct 120
ccaggaaagg ggctggagtg ggtctcagtt atttatagcg gtggtagcgc attctacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag agatctctcc 300
tcagcgggcg gtatggacgt ctggggccaa gggaccacgg tcaccgtctc ctca 354
<210> 80
<211> 324
<212> DNA
<213> Artificial Sequence
<400> 80
gaaattgtgt tgacgcagtc tccaggcacc ctgtctttgt ctccagggga aagagtcacc 60
ctctcctgca gggccagtca gagtgttagc agcagctact tagcctggta ccagcagaaa 120
cctggccagg ctcccaggct cctcatctat ggtgcatcca gcagggccac tggcatccca 180
gacaggttca gtggcagtgg gtctgggaca gacttcactc tcaccatcag cagactggag 240
cctgaagatt ttgcagtgta ttactgtcag cagtatggta gctcacccgg gacgttcggc 300
caagggacca aggtggaaat caaa 324
<210> 81
<211> 1344
<212> DNA
<213> Artificial Sequence
<400> 81
gaggtgcagc tggtggagtc tggaggaggc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggct caccgtcagt agcaactaca tgagctgggt ccgccaggct 120
ccaggaaagg ggctggagtg ggtctcagtt atttatagcg gtggtagcgc attctacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag agatctctcc 300
tcagcgggcg gtatggacgt ctggggccaa gggaccacgg tcaccgtctc ctcagcgtcg 360
accaagggcc catcggtctt ccccctggca ccctcctcca agagcacctc tgggggcaca 420
gcggccctgg gctgcctggt caaggactac ttccccgaac ccgtgacggt gtcgtggaac 480
tcaggcgccc tgaccagcgg cgtgcacacc ttcccggctg tcctacagtc ctcaggactc 540
tactccctca gcagcgtggt gaccgtgccc tccagcagct tgggcaccca gacctacatc 600
tgcaacgtga atcacaagcc cagcaacacc aaggtggaca agaaagttga gcccaaatct 660
tgtgacaaaa ctcacacatg cccaccgtgc ccagcacctg aactcctggg gggaccgtca 720
gtcttcctct tccccccaaa acccaaggac accctcatga tctcccggac ccctgaggtc 780
acatgcgtgg tggtggacgt gagccacgaa gaccctgagg tcaagttcaa ctggtacgtg 840
gacggcgtgg aggtgcataa tgccaagaca aagccgcggg aggagcagta caacagcacg 900
taccgtgtgg tcagcgtcct caccgtcctg caccaggact ggctgaatgg caaggagtac 960
aagtgcaagg tctccaacaa agccctccca gcccccatcg agaaaaccat ctccaaagcc 1020
aaagggcagc cccgagaacc acaggtgtac accctgcccc catcccggga tgagctgacc 1080
aagaaccagg tcagcctgac ctgcctggtc aaaggcttct atcccagcga catcgccgtg 1140
gagtgggaga gcaatgggca gccggagaac aactacaaga ccacgcctcc cgtgctggac 1200
tccgacggct ccttcttcct ctacagcaag ctcaccgtgg acaagagcag gtggcagcag 1260
gggaacgtct tctcatgctc cgtgatgcat gaggctctgc acaaccacta cacgcagaag 1320
agcctctccc tgtctccggg taaa 1344
<210> 82
<211> 645
<212> DNA
<213> Artificial Sequence
<400> 82
gaaattgtgt tgacgcagtc tccaggcacc ctgtctttgt ctccagggga aagagtcacc 60
ctctcctgca gggccagtca gagtgttagc agcagctact tagcctggta ccagcagaaa 120
cctggccagg ctcccaggct cctcatctat ggtgcatcca gcagggccac tggcatccca 180
gacaggttca gtggcagtgg gtctgggaca gacttcactc tcaccatcag cagactggag 240
cctgaagatt ttgcagtgta ttactgtcag cagtatggta gctcacccgg gacgttcggc 300
caagggacca aggtggaaat caaacgtacg gtggctgcac catctgtctt catcttcccg 360
ccatctgatg agcagttgaa atctggaact gcctctgttg tgtgcctgct gaataacttc 420
taccccagag aagccaaagt gcagtggaag gtggacaacg ccctgcagag cggaaacagc 480
caggaaagcg tgacagagca ggattccaag gattccacat acagcctgag cagcacactg 540
acactgtcca aggccgacta cgagaagcac aaggtgtacg cctgcgaagt gacacaccag 600
ggactgtcct cccctgtgac aaagagcttc aacagaggag aatgc 645
<210> 83
<211> 357
<212> DNA
<213> Artificial Sequence
<400> 83
gaggtgcagc tggtggagtc tggaggaggc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggtt gaccgtcagt agcaactaca tgaactgggt ccgccaggct 120
ccagggaagg ggctggagtg ggtctcagtt atttatagcg gtggtagcac atactacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag attactagtg 300
gctacgatca gggactttga ctactggggc cagggaaccc tggtcaccgt ctcctca 357
<210> 84
<211> 324
<212> DNA
<213> Artificial Sequence
<400> 84
gaaatagtga tgacgcagtc tccagccacc ctgtctgtgt ctccagggga aagagccacc 60
ctctcctgca gggccagtca gagtgttagc agcaacttag cctggtacca gcagaaacct 120
ggccaggctc ccaggctcct catctatggt gcatccacca gggccactgg tatcccagcc 180
aggttcagtg gcagtgggtc tgggacagag ttcactctca ccatcagcag cctgcagtct 240
gaagattttg cagtttatta ctgtcagcag tataataact ggcctccgtg gacgttcggc 300
caagggacca aggtggaaat caaa 324
<210> 85
<211> 1347
<212> DNA
<213> Artificial Sequence
<400> 85
gaggtgcagc tggtggagtc tggaggaggc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggtt gaccgtcagt agcaactaca tgaactgggt ccgccaggct 120
ccagggaagg ggctggagtg ggtctcagtt atttatagcg gtggtagcac atactacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag attactagtg 300
gctacgatca gggactttga ctactggggc cagggaaccc tggtcaccgt ctcctcagcg 360
tcgaccaagg gcccatcggt cttccccctg gcaccctcct ccaagagcac ctctgggggc 420
acagcggccc tgggctgcct ggtcaaggac tacttccccg aacccgtgac ggtgtcgtgg 480
aactcaggcg ccctgaccag cggcgtgcac accttcccgg ctgtcctaca gtcctcagga 540
ctctactccc tcagcagcgt ggtgaccgtg ccctccagca gcttgggcac ccagacctac 600
atctgcaacg tgaatcacaa gcccagcaac accaaggtgg acaagaaagt tgagcccaaa 660
tcttgtgaca aaactcacac atgcccaccg tgcccagcac ctgaactcct ggggggaccg 720
tcagtcttcc tcttcccccc aaaacccaag gacaccctca tgatctcccg gacccctgag 780
gtcacatgcg tggtggtgga cgtgagccac gaagaccctg aggtcaagtt caactggtac 840
gtggacggcg tggaggtgca taatgccaag acaaagccgc gggaggagca gtacaacagc 900
acgtaccgtg tggtcagcgt cctcaccgtc ctgcaccagg actggctgaa tggcaaggag 960
tacaagtgca aggtctccaa caaagccctc ccagccccca tcgagaaaac catctccaaa 1020
gccaaagggc agccccgaga accacaggtg tacaccctgc ccccatcccg ggatgagctg 1080
accaagaacc aggtcagcct gacctgcctg gtcaaaggct tctatcccag cgacatcgcc 1140
gtggagtggg agagcaatgg gcagccggag aacaactaca agaccacgcc tcccgtgctg 1200
gactccgacg gctccttctt cctctacagc aagctcaccg tggacaagag caggtggcag 1260
caggggaacg tcttctcatg ctccgtgatg catgaggctc tgcacaacca ctacacgcag 1320
aagagcctct ccctgtctcc gggtaaa 1347
<210> 86
<211> 645
<212> DNA
<213> Artificial Sequence
<400> 86
gaaatagtga tgacgcagtc tccagccacc ctgtctgtgt ctccagggga aagagccacc 60
ctctcctgca gggccagtca gagtgttagc agcaacttag cctggtacca gcagaaacct 120
ggccaggctc ccaggctcct catctatggt gcatccacca gggccactgg tatcccagcc 180
aggttcagtg gcagtgggtc tgggacagag ttcactctca ccatcagcag cctgcagtct 240
gaagattttg cagtttatta ctgtcagcag tataataact ggcctccgtg gacgttcggc 300
caagggacca aggtggaaat caaacgtacg gtggctgcac catctgtctt catcttcccg 360
ccatctgatg agcagttgaa atctggaact gcctctgttg tgtgcctgct gaataacttc 420
taccccagag aagccaaagt gcagtggaag gtggacaacg ccctgcagag cggaaacagc 480
caggaaagcg tgacagagca ggattccaag gattccacat acagcctgag cagcacactg 540
acactgtcca aggccgacta cgagaagcac aaggtgtacg cctgcgaagt gacacaccag 600
ggactgtcct cccctgtgac aaagagcttc aacagaggag aatgc 645
<210> 87
<211> 363
<212> DNA
<213> Artificial Sequence
<400> 87
gaagtgcagc tggtggagtc tggaggaggc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggtt caccgtcagt agcaactaca tgagctgggt ccgccaggct 120
ccagggaagg ggctggagtg ggtctcagtt atttatagcg gtggtagcac atattacgca 180
gactccgtga agggccgatt taccatctcc agagacaatt ccgagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag aggagaaatt 300
cagccctact actactacgg tatggacgtc tggggccaag ggaccacggt caccgtctcc 360
tca 363
<210> 88
<211> 333
<212> DNA
<213> Artificial Sequence
<400> 88
cagtctgtgc tgactcagcc tccctccgcg tccgggtctc ctggacagtc agtcaccatc 60
tcctgcactg gaaccagcag tgactttggt ggttataact ctgtctcctg gtaccaacag 120
cacccaggca aagcccccaa actcatgatt tatgaggtca gtaagcggcc ctcaggggtc 180
cctgatcgct tctctggctc caagtctggc aacacggcct ccctgaccgt ctctgggctc 240
caggctgagg atgaggctga ttattactgc agctcatatg caggcagcaa caatttcgat 300
gtcttcggaa ctgggaccaa ggtcaccgtc cta 333
<210> 89
<211> 1353
<212> DNA
<213> Artificial Sequence
<400> 89
gaagtgcagc tggtggagtc tggaggaggc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggtt caccgtcagt agcaactaca tgagctgggt ccgccaggct 120
ccagggaagg ggctggagtg ggtctcagtt atttatagcg gtggtagcac atattacgca 180
gactccgtga agggccgatt taccatctcc agagacaatt ccgagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag aggagaaatt 300
cagccctact actactacgg tatggacgtc tggggccaag ggaccacggt caccgtctcc 360
tcagcgtcga ccaagggccc atcggtcttc cccctggcac cctcctccaa gagcacctct 420
gggggcacag cggccctggg ctgcctggtc aaggactact tccccgaacc cgtgacggtg 480
tcgtggaact caggcgccct gaccagcggc gtgcacacct tcccggctgt cctacagtcc 540
tcaggactct actccctcag cagcgtggtg accgtgccct ccagcagctt gggcacccag 600
acctacatct gcaacgtgaa tcacaagccc agcaacacca aggtggacaa gaaagttgag 660
cccaaatctt gtgacaaaac tcacacatgc ccaccgtgcc cagcacctga actcctgggg 720
ggaccgtcag tcttcctctt ccccccaaaa cccaaggaca ccctcatgat ctcccggacc 780
cctgaggtca catgcgtggt ggtggacgtg agccacgaag accctgaggt caagttcaac 840
tggtacgtgg acggcgtgga ggtgcataat gccaagacaa agccgcggga ggagcagtac 900
aacagcacgt accgtgtggt cagcgtcctc accgtcctgc accaggactg gctgaatggc 960
aaggagtaca agtgcaaggt ctccaacaaa gccctcccag cccccatcga gaaaaccatc 1020
tccaaagcca aagggcagcc ccgagaacca caggtgtaca ccctgccccc atcccgggat 1080
gagctgacca agaaccaggt cagcctgacc tgcctggtca aaggcttcta tcccagcgac 1140
atcgccgtgg agtgggagag caatgggcag ccggagaaca actacaagac cacgcctccc 1200
gtgctggact ccgacggctc cttcttcctc tacagcaagc tcaccgtgga caagagcagg 1260
tggcagcagg ggaacgtctt ctcatgctcc gtgatgcatg aggctctgca caaccactac 1320
acgcagaaga gcctctccct gtctccgggt aaa 1353
<210> 90
<211> 651
<212> DNA
<213> Artificial Sequence
<400> 90
cagtctgtgc tgactcagcc tccctccgcg tccgggtctc ctggacagtc agtcaccatc 60
tcctgcactg gaaccagcag tgactttggt ggttataact ctgtctcctg gtaccaacag 120
cacccaggca aagcccccaa actcatgatt tatgaggtca gtaagcggcc ctcaggggtc 180
cctgatcgct tctctggctc caagtctggc aacacggcct ccctgaccgt ctctgggctc 240
caggctgagg atgaggctga ttattactgc agctcatatg caggcagcaa caatttcgat 300
gtcttcggaa ctgggaccaa ggtcaccgtc ctaggtcagc ccaaggctgc cccctcggtc 360
actctgttcc caccctcgag tgaggagctt caagccaaca aggccacact ggtgtgtctc 420
ataagtgact tctacccggg agccgtgaca gtggcctgga aggcagatag cagccccgtc 480
aaggcgggag tggagaccac cacaccctcc aaacaaagca acaacaagta cgcggccagc 540
agctacctga gcctgacgcc tgagcagtgg aagtcccaca gaagctacag ctgccaggtc 600
acgcatgaag ggagcaccgt ggagaagaca gtggccccta cagaatgttc a 651
<210> 91
<211> 354
<212> DNA
<213> Artificial Sequence
<400> 91
gaggtgcagc tggtggagtc tggaggaggc ttgttccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggtt aaccgtcagt agcaactaca tgagctgggt ccgccaggct 120
cctgggaagg ggctggagtg cgtctcagtt atttatagcg gtggtagtac atactacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctatatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag agaccgaggt 300
atgctccacg gtatggacgt ctggggccaa gggaccacgg tcaccgtctc ctca 354
<210> 92
<211> 324
<212> DNA
<213> Artificial Sequence
<400> 92
gacatccaga tgacccagtc tccatcctcc ctgtctgcat ctgtaggaga cagagtcacc 60
atcacttgcc aggcgagtca ggacattagc aactatttaa attggtatca gcagaaacca 120
gggaaagccc ctaagctcct gatctacgat gcatccaatt tggaaacagg ggtcccatca 180
aggttcagtg gaagtggatc tgggacagat tttactttca ccatcagcag cctgcagcct 240
gaagatattg caacatatta ctgtcaacac tatgataatc tcccggggct cactttcggc 300
ggagggacca aggtggagat caaa 324
<210> 93
<211> 1344
<212> DNA
<213> Artificial Sequence
<400> 93
gaggtgcagc tggtggagtc tggaggaggc ttgttccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggtt aaccgtcagt agcaactaca tgagctgggt ccgccaggct 120
cctgggaagg ggctggagtg cgtctcagtt atttatagcg gtggtagtac atactacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctatatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag agaccgaggt 300
atgctccacg gtatggacgt ctggggccaa gggaccacgg tcaccgtctc ctcagcgtcg 360
accaagggcc catcggtctt ccccctggca ccctcctcca agagcacctc tgggggcaca 420
gcggccctgg gctgcctggt caaggactac ttccccgaac ccgtgacggt gtcgtggaac 480
tcaggcgccc tgaccagcgg cgtgcacacc ttcccggctg tcctacagtc ctcaggactc 540
tactccctca gcagcgtggt gaccgtgccc tccagcagct tgggcaccca gacctacatc 600
tgcaacgtga atcacaagcc cagcaacacc aaggtggaca agaaagttga gcccaaatct 660
tgtgacaaaa ctcacacatg cccaccgtgc ccagcacctg aactcctggg gggaccgtca 720
gtcttcctct tccccccaaa acccaaggac accctcatga tctcccggac ccctgaggtc 780
acatgcgtgg tggtggacgt gagccacgaa gaccctgagg tcaagttcaa ctggtacgtg 840
gacggcgtgg aggtgcataa tgccaagaca aagccgcggg aggagcagta caacagcacg 900
taccgtgtgg tcagcgtcct caccgtcctg caccaggact ggctgaatgg caaggagtac 960
aagtgcaagg tctccaacaa agccctccca gcccccatcg agaaaaccat ctccaaagcc 1020
aaagggcagc cccgagaacc acaggtgtac accctgcccc catcccggga tgagctgacc 1080
aagaaccagg tcagcctgac ctgcctggtc aaaggcttct atcccagcga catcgccgtg 1140
gagtgggaga gcaatgggca gccggagaac aactacaaga ccacgcctcc cgtgctggac 1200
tccgacggct ccttcttcct ctacagcaag ctcaccgtgg acaagagcag gtggcagcag 1260
gggaacgtct tctcatgctc cgtgatgcat gaggctctgc acaaccacta cacgcagaag 1320
agcctctccc tgtctccggg taaa 1344
<210> 94
<211> 645
<212> DNA
<213> Artificial Sequence
<400> 94
gacatccaga tgacccagtc tccatcctcc ctgtctgcat ctgtaggaga cagagtcacc 60
atcacttgcc aggcgagtca ggacattagc aactatttaa attggtatca gcagaaacca 120
gggaaagccc ctaagctcct gatctacgat gcatccaatt tggaaacagg ggtcccatca 180
aggttcagtg gaagtggatc tgggacagat tttactttca ccatcagcag cctgcagcct 240
gaagatattg caacatatta ctgtcaacac tatgataatc tcccggggct cactttcggc 300
ggagggacca aggtggagat caaacgtacg gtggctgcac catctgtctt catcttcccg 360
ccatctgatg agcagttgaa atctggaact gcctctgttg tgtgcctgct gaataacttc 420
taccccagag aagccaaagt gcagtggaag gtggacaacg ccctgcagag cggaaacagc 480
caggaaagcg tgacagagca ggattccaag gattccacat acagcctgag cagcacactg 540
acactgtcca aggccgacta cgagaagcac aaggtgtacg cctgcgaagt gacacaccag 600
ggactgtcct cccctgtgac aaagagcttc aacagaggag aatgc 645
<210> 95
<211> 357
<212> DNA
<213> Artificial Sequence
<400> 95
gaggtgcagc tggtggagtc tggaggagcc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggct caccgtcagt agcaactaca tgacctgggt ccgccaggct 120
ccagggaagg ggctggagtg ggtctcagtt atttatagcg gtggtagcac atactacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag gggctacggt 300
gactacgaga actactttga ctactggggc cagggaaccc tggtcaccgt ctcctca 357
<210> 96
<211> 309
<212> DNA
<213> Artificial Sequence
<400> 96
gccatccagt tgacccagtc tccatcctcc ctgtctgcat ctgtaggaga cagagtcacc 60
atcacttgcc gggccagtca gggcattagc agttatttag cctggtatca gcaaaaacca 120
gggaaagccc ctaagctcct gatctatgct gcatccactt tgcaaggtgg ggtcccatca 180
aggttcagcg gcagtggatc tgggacagat ttcactctca ccatcagcag tctgcagcct 240
gaagattttg caacttatta ctgtcaacac ctttggacgt tcggccaagg gaccaaggtg 300
gaaatcaaa 309
<210> 97
<211> 1347
<212> DNA
<213> Artificial Sequence
<400> 97
gaggtgcagc tggtggagtc tggaggagcc ttgatccagc ctggggggtc cctgagactc 60
tcctgtgcag cctctgggct caccgtcagt agcaactaca tgacctgggt ccgccaggct 120
ccagggaagg ggctggagtg ggtctcagtt atttatagcg gtggtagcac atactacgca 180
gactccgtga agggccgatt caccatctcc agagacaatt ccaagaacac gctgtatctt 240
caaatgaaca gcctgagagc cgaggacacg gccgtgtatt actgtgcgag gggctacggt 300
gactacgaga actactttga ctactggggc cagggaaccc tggtcaccgt ctcctcagcg 360
tcgaccaagg gcccatcggt cttccccctg gcaccctcct ccaagagcac ctctgggggc 420
acagcggccc tgggctgcct ggtcaaggac tacttccccg aacccgtgac ggtgtcgtgg 480
aactcaggcg ccctgaccag cggcgtgcac accttcccgg ctgtcctaca gtcctcagga 540
ctctactccc tcagcagcgt ggtgaccgtg ccctccagca gcttgggcac ccagacctac 600
atctgcaacg tgaatcacaa gcccagcaac accaaggtgg acaagaaagt tgagcccaaa 660
tcttgtgaca aaactcacac atgcccaccg tgcccagcac ctgaactcct ggggggaccg 720
tcagtcttcc tcttcccccc aaaacccaag gacaccctca tgatctcccg gacccctgag 780
gtcacatgcg tggtggtgga cgtgagccac gaagaccctg aggtcaagtt caactggtac 840
gtggacggcg tggaggtgca taatgccaag acaaagccgc gggaggagca gtacaacagc 900
acgtaccgtg tggtcagcgt cctcaccgtc ctgcaccagg actggctgaa tggcaaggag 960
tacaagtgca aggtctccaa caaagccctc ccagccccca tcgagaaaac catctccaaa 1020
gccaaagggc agccccgaga accacaggtg tacaccctgc ccccatcccg ggatgagctg 1080
accaagaacc aggtcagcct gacctgcctg gtcaaaggct tctatcccag cgacatcgcc 1140
gtggagtggg agagcaatgg gcagccggag aacaactaca agaccacgcc tcccgtgctg 1200
gactccgacg gctccttctt cctctacagc aagctcaccg tggacaagag caggtggcag 1260
caggggaacg tcttctcatg ctccgtgatg catgaggctc tgcacaacca ctacacgcag 1320
aagagcctct ccctgtctcc gggtaaa 1347
<210> 98
<211> 630
<212> DNA
<213> Artificial Sequence
<400> 98
gccatccagt tgacccagtc tccatcctcc ctgtctgcat ctgtaggaga cagagtcacc 60
atcacttgcc gggccagtca gggcattagc agttatttag cctggtatca gcaaaaacca 120
gggaaagccc ctaagctcct gatctatgct gcatccactt tgcaaggtgg ggtcccatca 180
aggttcagcg gcagtggatc tgggacagat ttcactctca ccatcagcag tctgcagcct 240
gaagattttg caacttatta ctgtcaacac ctttggacgt tcggccaagg gaccaaggtg 300
gaaatcaaac gtacggtggc tgcaccatct gtcttcatct tcccgccatc tgatgagcag 360
ttgaaatctg gaactgcctc tgttgtgtgc ctgctgaata acttctaccc cagagaagcc 420
aaagtgcagt ggaaggtgga caacgccctg cagagcggaa acagccagga aagcgtgaca 480
gagcaggatt ccaaggattc cacatacagc ctgagcagca cactgacact gtccaaggcc 540
gactacgaga agcacaaggt gtacgcctgc gaagtgacac accagggact gtcctcccct 600
gtgacaaaga gcttcaacag aggagaatgc 630

Claims (13)

1.一种SARS-CoV-2病毒的抗体或其抗原结合片段,包含重链可变区和轻链可变区,所述重链可变区包含三个重链互补决定区HCDR1、HCDR2和HCDR3,所述轻链可变区包含三个轻链互补决定区LCDR1、LCDR2和LCDR3;其特征在于:
所述HCDR1的序列如SEQ ID NO. 1所示,所述HCDR2的序列如SEQ ID NO. 2所示,所述HCDR3的序列如SEQ ID NO. 3所示;并且,所述LCDR1的序列如SEQ ID NO. 5所示,所述LCDR2的序列如SEQ ID NO. 6所示,所述LCDR3的序列如SEQ ID NO. 7所示。
2.如权利要求1所述的抗体或其抗原结合片段,其特征在于:
所述重链可变区具有如SEQ ID NO. 4所示序列或者与所述SEQ ID NO. 4所示序列有80%以上的序列同源性的序列,且所述轻链可变区具有如SEQ ID NO. 8所示序列或者与所述SEQ ID NO. 8所示序列有80%以上的序列同源性的序列。
3.如权利要求1或2中任意一项所述抗体或其抗原结合片段,其特征在于:
所述抗体为单克隆抗体。
4.如权利要求3所述的抗体或其抗原结合片段,其特征在于:
所述抗体为全人源单克隆抗体。
5.如权利要求4所述的抗体或其抗原结合片段,其特征在于:
所述抗体为IgG1、IgG2、IgG3或IgG4中的任意一种或几种的组合。
6.如权利要求1或2中任意一项所述抗体或其抗原结合片段,其特征在于:
所述抗原结合片段为Fv、Fab、F(ab’)2、Fab’、dsFv、scFv或sc(Fv)2。
7.一种核酸分子,其特征在于:
所述核酸分子编码如权利要求1至6中任意一项所述抗体或其抗原结合片段。
8.包含如权利要求7所述核酸分子的载体。
9.包含如权利要求8所述载体的宿主细胞。
10.一种药物组合物,其特征在于:
所述药物组合物包含如权利要求1至6中任意一项所述抗体或其抗原结合片段。
11.一种检测产品,其特征在于:
所述检测产品包含如权利要求1至6中任意一项所述抗体或其抗原结合片段。
12.一种生产如权利要求1至6中任意一项所述抗体或其抗原结合片段的方法,其特征在于:
培养如权利要求9所述的宿主细胞,以生产所述抗体或其抗原结合片段。
13.如权利要求1至6中任意一项所述抗体或其抗原结合片段或者如权利要求10所述药物组合物在制备治疗或预防SARS-CoV-2病毒所导致的疾病的药物方面的用途。
CN202011065506.2A 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段 Active CN112159469B (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202011065506.2A CN112159469B (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段
CN202210890641.3A CN115710311A (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段
CN202210841040.3A CN116063464A (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011065506.2A CN112159469B (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN202210890641.3A Division CN115710311A (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段
CN202210841040.3A Division CN116063464A (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段

Publications (2)

Publication Number Publication Date
CN112159469A CN112159469A (zh) 2021-01-01
CN112159469B true CN112159469B (zh) 2022-08-02

Family

ID=73862418

Family Applications (3)

Application Number Title Priority Date Filing Date
CN202210890641.3A Pending CN115710311A (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段
CN202011065506.2A Active CN112159469B (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段
CN202210841040.3A Pending CN116063464A (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN202210890641.3A Pending CN115710311A (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202210841040.3A Pending CN116063464A (zh) 2020-09-30 2020-09-30 冠状病毒的抗体或其抗原结合片段

Country Status (1)

Country Link
CN (3) CN115710311A (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CR20220552A (es) 2020-04-02 2023-01-17 Regeneron Pharma Anticuerpos contra glicoproteína de espícula anti-sars-cov-2 y fragmentos de unión al antígeno
EP4161960A1 (en) 2020-06-03 2023-04-12 Regeneron Pharmaceuticals, Inc. Methods for treating or preventing sars-cov-2 infections and covid-19 with anti-sars-cov-2 spike glycoprotein antibodies
WO2021249547A1 (en) * 2020-06-12 2021-12-16 Biocytogen Pharmaceuticals (Beijing) Co., Ltd. Anti-coronavirus antibodies and uses thereof
CN115141271B (zh) * 2021-01-31 2024-06-11 中南大学湘雅医院 新型冠状病毒单克隆抗体xy7及其应用
CN115073593B (zh) * 2021-03-10 2024-02-23 上海君实生物医药科技股份有限公司 新型冠状病毒抗体及其用途
CN113880947B (zh) * 2021-07-26 2023-07-04 中国人民解放军军事科学院军事医学研究院 小分子抗体及其编码基因和制备方法及应用和药物组合物
CN113563464B (zh) * 2021-08-01 2023-02-03 中国疾病预防控制中心性病艾滋病预防控制中心 人源化高中和活性抗新型冠状病毒单克隆抗体及应用
CN114106191A (zh) * 2021-12-20 2022-03-01 复旦大学 一种中和冠状病毒的双特异性抗体
WO2023131262A1 (zh) * 2022-01-10 2023-07-13 杰库(上海)生物医药研究有限公司 特异性结合SARS-CoV-2的抗原结合蛋白
CN114751986A (zh) * 2022-01-27 2022-07-15 复旦大学 中和新冠病毒的多特异性抗体
CN114409774B (zh) * 2022-02-07 2024-04-02 浙江大学医学院附属第一医院 广谱人源化抗新型冠状病毒单克隆抗体及应用
CN114349855B (zh) * 2022-03-18 2022-06-28 百斯医学诊断科技(北京)有限公司 新型冠状病毒Delta突变株特异性抗体及其应用
CN114957455B (zh) * 2022-05-06 2023-05-16 深圳国家感染性疾病临床医学研究中心 一种新型冠状病毒单克隆抗体及其应用

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111592594A (zh) * 2020-03-13 2020-08-28 北京大学 一种抗新型冠状病毒的单克隆抗体及其应用
CN111592595A (zh) * 2020-04-27 2020-08-28 南京医科大学 抗新型冠状病毒SARS-Cov-2的中和性抗体及其应用
CN111690058A (zh) * 2020-03-30 2020-09-22 三优生物医药(上海)有限公司 针对冠状病毒的具有中和活性的抗体及其用途
US10787501B1 (en) * 2020-04-02 2020-09-29 Regeneron Pharmaceuticals, Inc. Anti-SARS-CoV-2-spike glycoprotein antibodies and antigen-binding fragments

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111647076B (zh) * 2020-04-27 2021-02-26 南京医科大学 抗新型冠状病毒SARS-Cov-2的中和性单域抗体及其应用

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111592594A (zh) * 2020-03-13 2020-08-28 北京大学 一种抗新型冠状病毒的单克隆抗体及其应用
CN111690058A (zh) * 2020-03-30 2020-09-22 三优生物医药(上海)有限公司 针对冠状病毒的具有中和活性的抗体及其用途
US10787501B1 (en) * 2020-04-02 2020-09-29 Regeneron Pharmaceuticals, Inc. Anti-SARS-CoV-2-spike glycoprotein antibodies and antigen-binding fragments
CN111592595A (zh) * 2020-04-27 2020-08-28 南京医科大学 抗新型冠状病毒SARS-Cov-2的中和性抗体及其应用

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Human monoclonal antibodies block the binding of SARS-CoV-2 spike protein to angiotensin converting enzyme 2 receptor";Xiangyu Chen等;《Cell Mol Immunol》;20200420;第17卷(第6期);第647-649页 *
"Neutralizing Antibodies against SARS-CoV-2 and Other Human Coronaviruses";Shibo Jiang等;《Trends in Immunology》;20200531;第41卷(第5期);第355-359页 *

Also Published As

Publication number Publication date
CN115710311A (zh) 2023-02-24
CN116063464A (zh) 2023-05-05
CN112159469A (zh) 2021-01-01

Similar Documents

Publication Publication Date Title
CN112159469B (zh) 冠状病毒的抗体或其抗原结合片段
KR102444614B1 (ko) 프로테아제-활성화된 t 세포 이중특이적 분자
CN108602887B (zh) 对共刺激性tnf受体特异性的双特异性抗体
KR20210134300A (ko) 항-sars-cov-2 스파이크 당단백질 항체 및 항원-결합 단편
KR102665542B1 (ko) T 세포 활성화 이중특이적 항원 결합 분자 CD3 ABD 엽산 수용체 1(FolR1) 및 PD-1 축 결합 길항물질의 조합 요법
CN107074955B (zh) 针对FolR1和CD3的T细胞活化性双特异性抗原结合分子
KR101963923B1 (ko) 이중특이적 t 세포 활성화 항원 결합 분자
CN110869389B (zh) 抗ror1抗体及其制备和使用方法
CN111566127B (zh) 制导和导航控制蛋白及其制备和使用方法
CN114751989A (zh) 包含三聚体tnf家族配体的抗原结合分子
KR20150122203A (ko) T 세포 활성화 이중특이적 항원 결합 분자
CN110845618A (zh) 双特异性t细胞活化抗原结合分子
KR20180108602A (ko) 위 억제 펩티드 수용체 (gipr)에 대한 결합 단백질을 glp-1 효능제와 조합하여 사용하여 대사 장애를 치료하거나 개선시키는 방법
CN111303293B (zh) 一种融合蛋白及其用途
KR20230017815A (ko) 항-sars-cov-2 스파이크 당단백질 항체 및 항원-결합 단편
CN113493506A (zh) 新型冠状病毒抗体及其应用
AU2020250613A1 (en) Fusion protein and use thereof
CN107949575B (zh) Cys80缀合型免疫球蛋白
CN109536476A (zh) 具备透明质酸酶活性的靶向融合蛋白、制备方法及用途
CN113646328B (zh) 一种免疫细胞因子及其制备与用途
CN113185609A (zh) 全人源的新冠IgG2单链抗体及其应用
CN113316587B (zh) 一种双特异性分子及其制备与用途
CN100515496C (zh) 免疫调节剂及其应用
RU2800649C2 (ru) Моноклональные антитела против рецептор-связывающего домена spike-белка вируса sars-cov-2 и их антигенсвязывающие фрагменты, кодирующие их нуклеиновые кислоты, а также способы применения
RU2811120C2 (ru) Слитый белок и его применение

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230726

Address after: 201108 Room 411, Building 14, No. 3333, Huaning Road, Minhang District, Shanghai

Patentee after: Super Extraordinary (Shanghai) Medical Technology Co.,Ltd.

Address before: 201508 no.2901 Caolang Road, Jinshan District, Shanghai

Patentee before: SHANGHAI PUBLIC HEALTH CLINICAL CENTER

TR01 Transfer of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Antibodies or antigen-binding fragments of coronavirus

Effective date of registration: 20231208

Granted publication date: 20220802

Pledgee: Industrial Bank Co.,Ltd. Shanghai Changning sub branch

Pledgor: Super Extraordinary (Shanghai) Medical Technology Co.,Ltd.

Registration number: Y2023310000822

PE01 Entry into force of the registration of the contract for pledge of patent right