具体实施方式
下述实施例中所涉及的构巢曲霉ABPU1菌株为构巢曲霉菌(Aspergillusnidulans)的鸟氨酸氨甲酰转移酶基因缺损株ABPU1,公开于“The Aspergillus nidulansgenes chsA and chsD encode chitin synthases which have redundant functions inconidia formation”文章中。
下述实施例中所涉及的培养基如下:
GMM培养基:10g/L葡萄糖,6g/L硝酸钠,0.52g/L氯化钾,0.52g/L七水硫酸镁,1.52g/L磷酸二氢钾,2mL微量元素,0.5g/L尿嘧啶,固体加2%琼脂粉。
上层培养基:342.3g/L蔗糖,10g/L葡萄糖,6g/L硝酸钠,0.52g/L氯化钾,0.52g/L七水硫酸镁,1.52g/L磷酸二氢钾,2mL微量元素,0.5g/L尿嘧啶,固体加0.75%琼脂粉。
下层培养基:342.3g/L蔗糖,10g/L葡萄糖,6g/L硝酸钠,0.52g/L氯化钾,0.52g/L七水硫酸镁,1.52g/L磷酸二氢钾,2mL微量元素,0.5g/L尿嘧啶,固体加1.5%琼脂粉。
微量元素:50g/L乙二胺四乙酸二钠,22g/L七水硫酸锌,11.4g/L硼酸,5.06g/L四水氯化锰,4.99g/L七水硫酸亚铁,1.61g/L六水氯化钴,1.57g/L无水硫酸铜,1.1g/L钼酸铵。
发酵培养基:20g/L葡萄糖,0.52g/L氯化钾,0.52g/L七水硫酸镁,1.52g/L磷酸二氢钾,2mL微量元素,0.5g/L尿嘧啶。
种子培养基为:20g/L葡萄糖,0.52g/L氯化钾,0.52g/L七水硫酸镁,1.52g/L磷酸二氢钾,2mL微量元素,0.5g/L尿嘧啶,0.52g/L酒石酸铵,2%琼脂粉。
下述实施例中所涉及的溶液配制方法如下:
1M Na2HPO4溶液:35.814g Na2HPO4溶于100mL水中。
1M NaH2PO4溶液:15.601g NaH2PO4溶于100mL水中。
0.1M磷酸缓冲液(pH7.0):取1M Na2HPO4 5.77mL,1M NaH2PO4 4.23mL,定容止100mL。
10%SDS溶液:将90mL水稍微加热,加10g SDS,搅拌溶解,加入几滴浓盐酸调节pH至7.2,然后加水至100mL。
0.5M EDTA(pH 8.0):在80mL水中加入18.61g Na2EDTA·2H2O,用NaOH调pH至8.0,溶解后定容止100mL。
蛋白提取液:0.1M磷酸缓冲液(pH7.0)取50mL;10%SDS取1mL;0.5M EDTA(pH8.0)取2mL;TritonX-100取100μL,β-巯基乙醇100μL;用水定容至100mL。
4-MUG底物:称8.8mg MUG,溶于蛋白提取液中,配制成2mM的工作浓度。
孢悬液:0.85%NaCL,0.02%Tween 80。
原生质体缓冲液:10mM NaH2PO4,0.8M NaCL,调节PH为6.0。
S3:0.4M硫酸铵,1%蔗糖,50mM柠檬酸一水。
S4:25%PEG8000,100mM氯化钙,0.6M氯化钾,10mM Tris,盐酸调PH为7.5。
S5:0.6M氯化钾,50mM氯化钙,10mM MoPs,氢氧化钾调PH为6.0。
下述实施例中所涉及的酶活检测方法如下:
葡萄糖醛酸酶(gus)酶活测定方法:真空抽滤收集菌丝体,称取0.1菌体于2mL离心管中,加入3颗研磨珠,1mL蛋白提取液,冷冻研磨破碎,离心,取上清,上清即为粗酶液。在96孔酶标板小孔内反应,加100μL的4-MUG底物,99μL缓冲液在37℃放置5min,然后加1μL合适稀释倍数的粗酶液,迅速放入酶标仪中,设置条件37℃,激发波长365nm,发射波长455nm,每隔5min读数一次,总计60min。
酶活定义为:37℃,2mM的4-MUG底物条件下,每分钟每毫克蛋白产生1pm的4-MU所需的酶量为1mU。
过氧化氢酶(catB)酶活测定方法:粗酶液提取方法同GUS蛋白。在96孔酶标板小孔内反应,加100μL的0.1%H2O2,90μL缓冲液在30℃放置5min,然后加10μL合适稀释倍数的粗酶液,迅速放入酶标仪中,设置条件30℃,检测波长240nm,每隔30s读数一次,总计10min。
酶活定义为:30℃,0.1%H2O2底物条件下,每秒钟读数降低0.01所需的酶量为1U。
实施例1:重组质粒的构建
具体步骤如下:
(1)启动子PniaD序列的获得
以构巢曲霉基因组为模板用KOD聚合酶进行PCR获得PniaD序列(核苷酸序列如SEQID NO.1所示),PCR程序为:预变性94℃3min,循环为变性98℃15s,退火55℃30s,延伸68℃1kb/min,共32个循环,最后68℃延伸10min。
(2)PnrtA-gusA-TtrpC-argB2-pUC19质粒的获得
PnrtA-gusA-TtrpC-argB2-pUC19来自文献“Characterization of the promoterof the nitrate transporter-encoding gene nrtA in Aspergillus nidulans”,本发明的PnrtA-gusA-TtrpC-argB2-pUC19质粒同论文当中的PnrtA-uidA-TtrpC-argB2-pUC19质粒是完全相同的,其中,葡萄糖醛酸酶可以缩写为uidA或本文的gusA,两者是完全相同的。
后续本发明以gusA表述。
(3)PniaD-gusA-TtrpC-argB2-pUC19表达质粒的获得
利用反向PCR的方法以PnrtA-gusA-TtrpC-argB2-pUC19质粒为模板获得质粒骨架,之后通过DpnI消化、纯化和组装、转化等一系列手段构建出PniaD-gusA-TtrpC-argB2-pUC19表达质粒,所用引物列于表1,具体步骤如下:
以PnrtA-gusA-TtrpC-argB2-pUC19质粒为模板,用Prime STAR MAX DNA聚合酶进行全质粒PCR,获得质粒骨架,PCR程序为:预变性98℃1min,循环为变性98℃30s,退火55℃30s,延伸72℃1.5min,共34个循环,最后72℃延伸10min。之后用限制性内切酶DpnI消化去除质粒模板,将PCR产物纯化。之后用Infusion重组方法将PniaD片段和骨架组装,转化大肠杆菌DH5α感受态细胞,经过提取,测序,验证正确之后,即为制备得到的PniaD-gusA-TtrpC-argB2-pUC19表达质粒。
(4)PniaD-catB-TtrpC-argB2-pUC19表达质粒的构建
从构巢曲霉基因组中扩增获得catB编码区序列,利用反向PCR的方法以PniaD-gusA-TtrpC-argB2-pUC19质粒为模板获得质粒骨架,之后通过DpnI消化、纯化和组装、转化等一系列手段构建出PniaD-catB-TtrpC-argB2-pUC19,所用引物列于表1,具体步骤如下:
PniaD-catB-TtrpC-argB2-pUC19表达质粒在PniaD-gusA-TtrpC-argB2-pUC19表达质粒基础上进行构建,以构巢曲霉基因组为模板用KOD聚合酶进行PCR获得catB基因序列,PCR程序为同上;以PniaD-gusA-TtrpC-argB2-pUC19表达质粒为模板,用PrimeSTAR MAX DNA聚合酶进行全质粒PCR,获得质粒骨架,PCR程序同上。之后用限制性内切酶DpnI消化去除质粒模板,将PCR产物纯化。之后用Infusion重组方法将catB片段和质粒骨架组装,转化大肠杆菌DH5α感受态细胞,经过提取,测序,验证正确之后,即为制备得到的PniaD-catB-TtrpC-argB2-pUC19表达质粒。
(5)PniaD-mCherry-TtrpC-argB2-pUC19表达质粒的构建
化学合成核苷酸序列核苷酸序列如SEQ ID NO.8所示的mCherry编码区序列,利用反向PCR的方法以PniaD-gusA-TtrpC-argB2-pUC19质粒为模板获得质粒骨架,之后通过DpnI消化、纯化和组装、转化等一系列手段构建出PniaD-mCherry-TtrpC-argB2-pUC19,所用引物列于表1;具体步骤如下:
PniaD-mCherry-TtrpC-argB2-pUC19表达质粒在PniaD-gusA-TtrpC-argB2-pUC19表达质粒基础上进行构建,从含有mCherry的质粒中,用PrimeSTAR MAX DNA聚合酶扩增获得mCherry编码区序列,PCR程序为同上;以PniaD-gusA-TtrpC-argB2-pUC19表达质粒为模板,用PrimeSTAR MAX DNA聚合酶进行全质粒PCR,获得质粒骨架,PCR程序同上。之后用限制性内切酶DpnI消化去除质粒模板,将PCR产物纯化。之后用Infusion重组方法将mCherry片段和质粒骨架组装,转化大肠杆菌DH5α感受态细胞经过提取,测序,验证正确之后,即为制备得到的PniaD-mCherry-TtrpC-argB2-pUC19表达质粒。
表1引物列表
实施例2:自诱导表达系统的构建
具体步骤如下:
(1)宿主的培养
平板划线构巢曲霉ABPU1,37℃培养2天孢悬液洗孢子到10mL离心管,静置5min,取上层游离孢子。取1mL孢子悬液加入培养基中,37℃,220rpm培养7h左右,镜检。7000rpm离心收集菌体。将所有发芽孢子加入过滤除菌的30mL的裂解酶液中(90mg Yatalase,9mglysing enzyme,48mg BSA,溶解于原生质体缓冲液中)。30℃裂解2h,先220rpm 30min,再180rpm 90min。6000rpm,4℃离心10min收集原生质体。弃上清,加40mL S3重悬。6000rpm,4℃离心10min收集原生质体。
重复步骤(弃上清,加40mL S3重悬。6000rpm,4℃离心10min收集原生质体),弃上清。700μL S5重悬。
(2)重组菌的构建
分别将实施例1制备得到的质粒加入到步骤(1)新制的原生质体中,轻轻混匀,冰浴5min。加入50μL S 4,轻轻混匀,冰浴20min。加入1mL S4,轻轻混匀,室温20min,得到转化液;
将所有转化液加入到8mL上层培养基中,混匀,倒入含有下层培养基的平板上,37℃培养4天。
分别制备得到构巢曲霉重组菌株:ABPU1/PniaD-gusA-TtrpC-argB2-pUC19,ABPU1/PniaD-catB-TtrpC-argB2-pUC19,ABPU1/PniaD-mCherry-TtrpC-argB2-pUC19,分别命名为:A.n-GUS,A.n-CatB和A.n-mCherry。
实施例3:自诱导表达系统的表征
具体步骤如下:
(1)将实施例2制备得到的A.n-GUS划线至种子培养基中,在37℃条件下培养48h,孢悬液洗孢子到10mL离心管,静置5min,取上层游离孢子,获得种子液;
(2)将种子液按照5×106个孢子/mL添加至发酵培养基中,同时添加0.6g.L-1尿苷,0.4mg.L-1吡哆醇,0.4mg.L-1生物素,在NO3 -/NH4 +分别20mM/0mM,20mM/5mM,0mM/20mM的条件下37℃,220rpm进行发酵培养。
分别在4h,6h,8h,10h,12h,16h,20h,28h,32h,36h进行取样检测酶活以及干重;结果如表2和表3所示:
表2:重组菌在不同的诱导剂,及不同时间条件下的酶活
酶活检测结果显示,在纯NH4 +的培养中,GUS蛋白一直处于较低的水平,
纯NO3 -培养基中,在6h时被诱导表达,随着时间延长酶活逐渐升高32h时酶活不再增加,在NH4 +/NO3 -培养时,在8h之后GUS蛋白被诱导表达,比纯NO3 -培养是诱导时间晚2h,之后随着时间延长酶活逐渐增加。
证明采用本发明的技术方案,无需在发酵过程中额外添加诱导剂即可实现GUS蛋白的自诱导表达。
表3:重组菌在不同的诱导剂,及不同时间条件下的菌体干重
三种培养条件下,NH4 +/NO3 -培养是菌生长相对较好(如图2所示)。
实施例4:过氧化氢酶自诱导表达
具体步骤如下:
(1)将实施例2制备得到的构巢曲霉A.n-CatB划线至种子培养基中,在37℃条件下培养48h,孢悬液洗孢子到10mL离心管,静置5min,取上层游离孢子,获得种子液;
(2)将种子液按照5×106个孢子/mL添加至发酵培养基中,同时添加0.6g.L-1尿苷,0.4mg.L-1吡哆醇,0.4mg.L-1生物素,在NO3 -/NH4 +分别20mM/0mM,20mM/3mM,20mM/5mM,20mM/10mM,0mM/20mM的条件下37℃,220rpm进行发酵培养。
分别在8h,12h,16h,24h,48h进行取样检测酶活以及干重;结果如表4和表5所示:
表4:重组菌在不同的诱导剂,及不同时间条件下的酶活及菌体干重
表5:重组菌在不同的诱导剂,及不同时间条件下的菌体干重
酶活测定结果显示,在纯20mM NH4 +的培养中,CatB蛋白一直处于较低的水平,20mMNO3 -培养基中,在8h时被诱导表达,随着时间延长酶活逐渐升高,在NO3 -/NH4 +培养时,在12h时catB有明显酶活,之后随着时间延长酶活逐渐增加。
NO3 -/NH4 +培养时蛋白诱导时间推迟,基于硝酸盐还原酶启动子的自诱导表达系统能够使CatB蛋白进行自诱导表达。
所有培养条件按对重组CatB菌株的生长没有明显的影响。此外,将12h的蛋白样品进行聚丙烯酰胺凝胶电泳,结果显示在NO3 -以及NO3 -/NH4 +培养条件下,CatB有明显的表达,NH4 +培养条件下无明显表达。
综上,构建的基于硝酸盐还原酶启动子的自诱导表达系统可以用作蛋白的自诱导表达(如图3所示)。
实施例5:红色荧光蛋白的表达
将实施例2制备得到的构巢曲霉A.n-mCherry分别划线至种子含10mM硝酸钠和5mM的酒石酸铵的GMM固体培养基中,在37℃条件下培养48h,牙签取适量孢子于载玻片上,用激光共聚焦显微镜观察荧光(图4)。
结果分析:在10mM硝酸盐的条件下,有明显的红色荧光,mCherry被诱导表达;在10mM铵盐条件下,无明显的红色荧光,mCherry被抑制表达。该表达系统受硝酸盐诱导和铵盐抑制的严密调控。
虽然本发明已以较佳实施例公开如上,但其并非用以限定本发明,任何熟悉此技术的人,在不脱离本发明的精神和范围内,都可做各种的改动与修饰,因此本发明的保护范围应该以权利要求书所界定的为准。
SEQUENCE LISTING
<110> 江南大学
<120> 一种构巢曲霉自诱导型表达系统及其应用
<130> BAA210167A
<160> 8
<170> PatentIn version 3.3
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gatggcgggc gcggtgattg agcagggggt ctgagaaaac acaagtccca caagagccgg 60
ccgcgggcga cgctgccagc ttcatatagc gggaatccat agtgtggcac aacgagtcac 120
caaacgcctt ggtgattgta tctccgtggc atcggagcat gagataatta aatgggccaa 180
tgactatgtg gtaacacgcg aatcagcgat ctcgcaatgg acgaccgtca tcgatattga 240
acgccacgag aaacgggggt ttaggatctg gagtgtggct agagccgctt gacgataatg 300
agccggcgat aagcatgatg ttggcgctgt cattgtttgg tggatgtgga tcatcgtgga 360
tggcttcgat gcactgcctg aatttccgcg gagttgggct ggagatcgaa tgatgatatt 420
tgggaagtct ggccacggct cagggcagcg ttctgattgg gcataatggt gccatgatct 480
accgccttct tcccaccaga gataagagat tccgaggctc tgattggaca gtgaatcaac 540
gataatcaag ccctatctct atctatgaga cacgatcgag agtcatcgga attgccaaaa 600
agcgccggtg aaatcactta aatattacat cgactgtgag taatagccat tgatcatatt 660
ctggacagtt cccagttccc ggaacattca ggatcgcgta ggtggcagca gtgactgtac 720
actatgagcg gactcctacc cagatacgct cacgccataa ccctattgcc actagatgac 780
agtacgagcc tctgaccgtc tggcttgccg ttgacccggg ctgcagtatt cttgctgtat 840
aattactgta tatagtactg gtcagggcta gcacttgcag ccggttcgcg gcccgcggag 900
atggagccct gaagtggatc gtaggatcca gcatattgcc tgctgtcctt agaattagaa 960
aacgaaaata ctctgtttct ccgaggctga aaggcagcgg gcggctgcca actgtatttc 1020
gtcttatttt gtctcgtttt gtcttgattt ggtcttattc catctgtttt cgtctcattt 1080
cgtcagatcc cgccggcctt tgtatttgac gaactacata tcccccacgt cagcctggag 1140
ccagaacccg tgccctatac tatctaatcg accttgatct ggcatatcta ccagttcatg 1200
ccgtggtcgc tgcgaattct tcagtaatct gtacctctat attattttcc tatcccatac 1260
tctcaca 1267
<210> 2
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Met Ser His Ser Arg Ile Ile Ser Gln Leu Phe Val Asp Ala Leu Val
1 5 10 15
Leu Ser Thr Ile Ser Phe Arg Pro Lys Ser Phe Lys Phe Phe Asn Ile
20 25 30
Tyr Ile Leu Ala Leu Pro Met Ala Ser Leu Arg Ser Val Leu Lys Ser
35 40 45
Gln Ser Leu Arg His Thr Val Arg Ser Tyr Ser Ser Gln Thr Met Pro
50 55 60
Pro Ala Ser Pro Phe Ala Pro Arg His Phe Leu Ser Ile Ala Asp Leu
65 70 75 80
Ser Pro Ser Glu Phe Ala Thr Leu Val Arg Asn Ala Ser Ser His Lys
85 90 95
Arg Ala Ile Lys Ser Gly Ser Met Pro Gln Asn Leu Gln Gly Ser Leu
100 105 110
Leu Gly Lys Thr Val Ala Met Ile Phe Ser Lys Arg Ser Thr Arg Thr
115 120 125
Arg Val Ser Thr Glu Gly Ala Val Val Gln Met Gly Gly His Pro Met
130 135 140
Phe Leu Gly Lys Asp Asp Ile Gln Leu Gly Val Asn Glu Ser Leu Tyr
145 150 155 160
Asp Thr Ser Val Val Ile Ser Ser Met Val Ser Cys Ile Val Ala Arg
165 170 175
Val Gly Lys His Ala Glu Val Ala Asp Leu Ala Lys His Ser Ser Val
180 185 190
Pro Val Ile Asn Ala Leu Cys Asp Ser Phe His Pro Leu Gln Ala Val
195 200 205
Ala Asp Phe Gln Thr Ile Tyr Glu Ala Phe Thr Pro Lys Ala His His
210 215 220
Leu Ser Ser Leu Gly Leu Glu Gly Leu Lys Ile Ala Trp Val Gly Asp
225 230 235 240
Ala Asn Asn Val Leu Phe Asp Met Ala Ile Ala Ala Thr Lys Met Gly
245 250 255
Val Asp Ile Ala Val Ala Thr Pro Lys Gly Tyr Glu Ile Pro Pro His
260 265 270
Met Leu Glu Leu Ile Lys Ser Ala Gly Glu Gly Val Ser Lys Pro Gly
275 280 285
Lys Leu Leu Gln Thr Asn Ile Pro Glu Glu Ala Val Lys Asp Ala Asp
290 295 300
Ile Leu Val Thr Asp Thr Trp Val Ser Met Gly Gln Glu Glu Glu Lys
305 310 315 320
Ala Gln Arg Leu Lys Glu Phe Asp Gly Phe Gln Ile Thr Ala Glu Leu
325 330 335
Ala Lys Arg Gly Gly Ala Lys Glu Gly Trp Lys Phe Met His Cys Leu
340 345 350
Pro Arg His Pro Glu Glu Val Ser Asp Glu Val Phe Tyr Ser Asn Arg
355 360 365
Ser Leu Val Phe Pro Glu Ala Glu Asn Arg Leu Trp Ala Ala Ile Ser
370 375 380
Ala Leu Glu Gly Phe Val Val Asn Lys Gly Lys Ile Glu
385 390 395
<210> 3
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<400> 3
atgagtcatt cacgaatcat ttctcagtta tttgtggatg ccctcgttct gtccacaatt 60
tctttccgcc ccaagtcttt taagttcttt aacatctata ttcttgcact tccaatggca 120
tcccttcgct ccgtactcaa gagccagagc ttgcgacaca ccgtgcgatc ctactcctcg 180
caaaccatgc ctcccgcctc accctttgct ccccgccact tcctctccat tgcggacctc 240
tcgccctccg agttcgcaac ccttgttcgc aatgcctcct cacacaaacg ggctatcaag 300
tcggggtcaa tgccccaaaa cttgcaggga tcactccttg ggaaaactgt ggccatgatc 360
ttcagcaaac gaagcacgag gacaagggta tctacagaag gggccgttgt gcagatggga 420
ggtcatccga tgttcttggg caaggatgat atccaactag gtgtcaacga gtccctatac 480
gacacctccg ttgtcatttc gtccatggta tcctgcattg tagcccgtgt cggtaaacat 540
gcagaggtcg cagatctggc gaagcactct tcggttccag tcatcaatgc tttgtgtgac 600
tctttccacc ctctccaagc cgtggccgat ttccagacca tctatgaagc attcaccccc 660
aaggcgcacc acctttcaag tctagggttg gaaggattga agatcgcttg ggtgggtgac 720
gccaacaacg tcctgttcga tatggccatt gctgctacaa aaatgggtgt cgacattgct 780
gtcgctactc ccaaggggta cgaaatccct cctcacatgc tggagctcat caagtctgct 840
ggagagggtg tctcgaaacc aggaaagctt ctgcaaacca atattcccga agaagcggtc 900
aaggacgccg atattctggt cacagacacc tgggtctcta tgggccaaga ggaagagaag 960
gctcagaggc tgaaggagtt tgatggtttc caaatcactg ctgaactcgc caagcgagga 1020
ggagctaagg agggctggaa gttcatgcac tgtctcccgc gacaccctga ggaggtcagc 1080
gacgaggttt tctacagcaa ccggtcactt gtcttccctg aggctgagaa ccggttatgg 1140
gctgcgattt ccgccttgga gggtttcgtt gtcaataagg gaaaaattga ataa 1194
<210> 4
<211> 620
<212> PRT
<213> 人工序列
<400> 4
Met Tyr Gln Arg Ala Leu Leu Phe Ser Ala Leu Leu Ser Val Ser Arg
1 5 10 15
Ala Met Leu Arg Pro Val Glu Thr Pro Thr Arg Glu Ile Lys Lys Leu
20 25 30
Asp Gly Leu Trp Ala Phe Ser Leu Asp Arg Glu Asn Cys Gly Ile Asp
35 40 45
Gln Arg Trp Trp Glu Ser Ala Leu Gln Glu Ser Arg Ala Ile Ala Val
50 55 60
Pro Gly Ser Phe Asn Asp Gln Phe Ala Asp Ala Asp Ile Arg Asn Tyr
65 70 75 80
Ala Gly Asn Val Trp Tyr Gln Arg Glu Val Phe Ile Pro Lys Gly Trp
85 90 95
Ala Gly Gln Arg Ile Val Leu Arg Phe Asp Ala Val Thr His Tyr Gly
100 105 110
Lys Val Trp Val Asn Asn Gln Glu Val Met Glu His Gln Gly Gly Tyr
115 120 125
Thr Pro Phe Glu Ala Asp Val Thr Pro Tyr Val Ile Ala Gly Lys Ser
130 135 140
Val Arg Ile Thr Val Cys Val Asn Asn Glu Leu Asn Trp Gln Thr Ile
145 150 155 160
Pro Pro Gly Met Val Ile Thr Asp Glu Asn Gly Lys Lys Lys Gln Ser
165 170 175
Tyr Phe His Asp Phe Phe Asn Tyr Ala Gly Ile His Arg Ser Val Met
180 185 190
Leu Tyr Thr Thr Pro Asn Thr Trp Val Asp Asp Ile Thr Val Val Thr
195 200 205
His Val Ala Gln Asp Cys Asn His Ala Ser Val Asp Trp Gln Val Val
210 215 220
Ala Asn Gly Asp Val Ser Val Glu Leu Arg Asp Ala Asp Gln Gln Val
225 230 235 240
Val Ala Thr Gly Gln Gly Thr Ser Gly Thr Leu Gln Val Val Asn Pro
245 250 255
His Leu Trp Gln Pro Gly Glu Gly Tyr Leu Tyr Glu Leu Cys Val Thr
260 265 270
Ala Lys Ser Gln Thr Glu Cys Asp Ile Tyr Pro Leu Arg Val Gly Ile
275 280 285
Arg Ser Val Ala Val Lys Gly Glu Gln Phe Leu Ile Asn His Lys Pro
290 295 300
Phe Tyr Phe Thr Gly Phe Gly Arg His Glu Asp Ala Asp Leu Arg Gly
305 310 315 320
Lys Gly Phe Asp Asn Val Leu Met Val His Asp His Ala Leu Met Asp
325 330 335
Trp Ile Gly Ala Asn Ser Tyr Arg Thr Ser His Tyr Pro Tyr Ala Glu
340 345 350
Glu Met Leu Asp Trp Ala Asp Glu His Gly Ile Val Val Ile Asp Glu
355 360 365
Thr Ala Ala Val Gly Phe Asn Leu Ser Leu Gly Ile Gly Phe Glu Ala
370 375 380
Gly Asn Lys Pro Lys Glu Leu Tyr Ser Glu Glu Ala Val Asn Gly Glu
385 390 395 400
Thr Gln Gln Ala His Leu Gln Ala Ile Lys Glu Leu Ile Ala Arg Asp
405 410 415
Lys Asn His Pro Ser Val Val Met Trp Ser Ile Ala Asn Glu Pro Asp
420 425 430
Thr Arg Pro Gln Gly Ala Arg Glu Tyr Phe Ala Pro Leu Ala Glu Ala
435 440 445
Thr Arg Lys Leu Asp Pro Thr Arg Pro Ile Thr Cys Val Asn Val Met
450 455 460
Phe Cys Asp Ala His Thr Asp Thr Ile Ser Asp Leu Phe Asp Val Leu
465 470 475 480
Cys Leu Asn Arg Tyr Tyr Gly Trp Tyr Val Gln Ser Gly Asp Leu Glu
485 490 495
Thr Ala Glu Lys Val Leu Glu Lys Glu Leu Leu Ala Trp Gln Glu Lys
500 505 510
Leu His Gln Pro Ile Ile Ile Thr Glu Tyr Gly Val Asp Thr Leu Ala
515 520 525
Gly Leu His Ser Met Tyr Thr Asp Met Trp Ser Glu Glu Tyr Gln Cys
530 535 540
Ala Trp Leu Asp Met Tyr His Arg Val Phe Asp Arg Val Ser Ala Val
545 550 555 560
Val Gly Glu Gln Val Trp Asn Phe Ala Asp Phe Ala Thr Ser Gln Gly
565 570 575
Ile Leu Arg Val Gly Gly Asn Lys Lys Gly Ile Phe Thr Arg Asp Arg
580 585 590
Lys Pro Lys Ser Ala Ala Phe Leu Leu Gln Lys Arg Trp Thr Gly Met
595 600 605
Asn Phe Gly Glu Lys Pro Gln Gln Gly Gly Lys Gln
610 615 620
<210> 5
<211> 1863
<212> DNA
<213> 人工序列
<400> 5
atgtatcaac gcgctcttct cttctctgct cttttatccg tgtcgcgggc catgttacgt 60
cctgtagaaa ccccaacccg tgaaatcaaa aaactcgacg gcctgtgggc attcagtctg 120
gatcgcgaaa actgtggaat tgatcagcgt tggtgggaaa gcgcgttaca agaaagccgg 180
gcaattgctg tgccaggcag ttttaacgat cagttcgccg atgcagatat tcgtaattat 240
gcgggcaacg tctggtatca gcgcgaagtc tttataccga aaggttgggc aggccagcgt 300
atcgtgctgc gtttcgatgc ggtcactcat tacggcaaag tgtgggtcaa taatcaggaa 360
gtgatggagc atcagggcgg ctatacgcca tttgaagccg atgtcacgcc gtatgttatt 420
gccgggaaaa gtgtacgtat caccgtttgt gtgaacaacg aactgaactg gcagactatc 480
ccgccgggaa tggtgattac cgacgaaaac ggcaagaaaa agcagtctta cttccatgat 540
ttctttaact atgccgggat ccatcgcagc gtaatgctct acaccacgcc gaacacctgg 600
gtggacgata tcaccgtggt gacgcatgtc gcgcaagact gtaaccacgc gtctgttgac 660
tggcaggtgg tggccaatgg tgatgtcagc gttgaactgc gtgatgcgga tcaacaggtg 720
gttgcaactg gacaaggcac tagcgggact ttgcaagtgg tgaatccgca cctctggcaa 780
ccgggtgaag gttatctcta tgaactgtgc gtcacagcca aaagccagac agagtgtgat 840
atctacccgc ttcgcgtcgg catccggtca gtggcagtga agggcgaaca gttcctgatt 900
aaccacaaac cgttctactt tactggcttt ggtcgtcatg aagatgcgga cttgcgtggc 960
aaaggattcg ataacgtgct gatggtgcac gaccacgcat taatggactg gattggggcc 1020
aactcctacc gtacctcgca ttacccttac gctgaagaga tgctcgactg ggcagatgaa 1080
catggcatcg tggtgattga tgaaactgct gctgtcggct ttaacctctc tttaggcatt 1140
ggtttcgaag cgggcaacaa gccgaaagaa ctgtacagcg aagaggcagt caacggggaa 1200
actcagcaag cgcacttaca ggcgattaaa gagctgatag cgcgtgacaa aaaccaccca 1260
agcgtggtga tgtggagtat tgccaacgaa ccggataccc gtccgcaagg tgcacgggaa 1320
tatttcgcgc cactggcgga agcaacgcgt aaactcgacc cgacgcgtcc gatcacctgc 1380
gtcaatgtaa tgttctgcga cgctcacacc gataccatca gcgatctctt tgatgtgctg 1440
tgcctgaacc gttattacgg atggtatgtc caaagcggcg atttggaaac ggcagagaag 1500
gtactggaaa aagaacttct ggcctggcag gagaaactgc atcagccgat tatcatcacc 1560
gaatacggcg tggatacgtt agccgggctg cactcaatgt acaccgacat gtggagtgaa 1620
gagtatcagt gtgcatggct ggatatgtat caccgcgtct ttgatcgcgt cagcgccgtc 1680
gtcggtgaac aggtatggaa tttcgccgat tttgcgacct cgcaaggcat attgcgcgtt 1740
ggcggtaaca agaaagggat cttcactcgc gaccgcaaac cgaagtcggc ggcttttctg 1800
ctgcaaaaac gctggactgg catgaacttc ggtgaaaaac cgcagcaggg aggcaaacaa 1860
tga 1863
<210> 6
<211> 722
<212> PRT
<213> 人工序列
<400> 6
Met Arg Ala Leu Gly Leu Val Gly Leu Val Gly Val Ala Asn Ala Val
1 5 10 15
Cys Pro Tyr Met Thr Gly Glu Leu Gly Arg Arg Asp Thr Asn Pro Asp
20 25 30
Ala Thr Glu Ala Thr Glu Glu Phe Leu Ser Glu Tyr Tyr Leu Asp Asp
35 40 45
Thr Asp Ser Tyr Leu Thr Thr Asp Val Gly Gly Pro Ile Glu Asp Gln
50 55 60
Gln Ser Leu Lys Ala Gly Ala Arg Gly Ser Thr Leu Leu Glu Asp Phe
65 70 75 80
Ile Phe Arg Gln Lys Ile Gln Arg Phe Asp His Glu Arg Val Pro Glu
85 90 95
Arg Ala Val His Ala Arg Gly Ala Gly Ala His Gly Val Phe Thr Ser
100 105 110
Tyr Gly Asp Phe Ser Asn Ile Thr Ala Ala Ser Phe Leu Ser Ala Glu
115 120 125
Gly Lys Glu Thr Pro Val Phe Val Arg Phe Ser Thr Val Ala Gly Ser
130 135 140
Arg Gly Ser Ser Asp Leu Ala Arg Asp Val His Gly Phe Ala Thr Arg
145 150 155 160
Phe Tyr Thr Asp Glu Gly Asn Phe Asp Ile Val Gly Asn Asn Ile Pro
165 170 175
Val Phe Phe Ile Gln Asp Ala Ile Gln Phe Pro Asp Leu Ile His Ala
180 185 190
Val Lys Pro Lys Gly Asp Arg Glu Ile Pro Gln Ala Ala Thr Ala His
195 200 205
Asp Ala Ala Trp Asp Phe Phe Ser Gln Gln Pro Ser Thr Leu His Thr
210 215 220
Leu Leu Trp Ala Met Ala Gly His Gly Ile Pro Arg Ser Phe Arg His
225 230 235 240
Val Asp Gly Phe Gly Val His Thr Phe Arg Leu Val Thr Glu Asp Gly
245 250 255
Ser Thr Lys Leu Val Lys Phe His Trp Lys Thr Leu Gln Gly Leu Ala
260 265 270
Ser Met Val Trp Glu Glu Ala Gln Gln Ile Ser Gly Lys Asn Pro Asp
275 280 285
Tyr Met Arg Gln Asp Leu Phe Glu Ser Ile Glu Ala Gly Arg Tyr Pro
290 295 300
Glu Trp Glu Leu Asn Val Gln Ile Met Asp Glu Glu Asp Gln Leu Arg
305 310 315 320
Phe Gly Phe Asp Leu Phe Asp Pro Thr Lys Ile Val Pro Glu Glu Tyr
325 330 335
Val Pro Leu Thr Pro Leu Gly Lys Met Thr Leu Asn Arg Asn Pro Arg
340 345 350
Asn Tyr Phe Ala Glu Thr Glu Gln Val Met Phe Gln Pro Gly His Val
355 360 365
Val Arg Gly Val Asp Phe Thr Glu Asp Pro Leu Leu Gln Gln Gly Arg
370 375 380
Leu Phe Ser Tyr Leu Asp Thr Gln Leu Asn Arg Asn Gly Gly Pro Asn
385 390 395 400
Phe Glu Gln Leu Pro Ile Asn Gln Pro Arg Val Ala Ile His Asn Asn
405 410 415
Asn Arg Asp Gly Ala Gly Gln Met Phe Ile Pro Leu Asn Pro Asp Ala
420 425 430
Tyr Ser Pro Asn Thr Leu Lys Gly Ser Thr Leu Lys Gln Ala Asn Gln
435 440 445
Thr Ala Gly Arg Gly Phe Phe Thr Ala Pro Asp Arg Thr Ala Asn Gly
450 455 460
Asn Leu Val Arg Ala Lys Ser Ser Thr Phe Asp Asp Ala Trp Ser Gln
465 470 475 480
Pro Arg Leu Phe Trp Asn Ser Leu Leu Pro Ala Glu Lys Gln Phe Val
485 490 495
Val Asn Ala Ile Arg Phe Glu Asn Ala Asn Val Lys Ser Asp Val Val
500 505 510
Lys Asn Asn Val Ile Val Gln Leu Asn Arg Ile Ser Asn Asp Leu Ala
515 520 525
Thr Arg Val Ala Lys Ala Ile Gly Val Asp Ala Pro Glu Pro Asp Asn
530 535 540
Thr Tyr Tyr His Asp Asn Thr Thr Ser Asn Ile Gly Ala Phe Gly His
545 550 555 560
Arg Leu Gln Ser Leu Ala Gly Leu Lys Ile Ala Val Leu Ala Ser Val
565 570 575
Asp Ala Glu Glu Ser Phe Ser Ala Ala Thr Ala Leu Lys Ala Glu Leu
580 585 590
Ser Asn Asp Asn Leu Asp Val Ile Val Val Ala Glu Arg Phe Ser Asn
595 600 605
Gly Val Asn Gln Thr Tyr Ser Ala Ser Asp Ala Ile Gln Phe Asp Ala
610 615 620
Val Val Val Ala Pro Gly Ala Glu Lys Leu Phe Gly Ala Lys Ser Ala
625 630 635 640
Ala Asn Ser Ser Ser Thr Leu Tyr Pro Ala Gly Arg Pro Leu Glu Ile
645 650 655
Leu Val Asp Ala Phe Arg Phe Gly Lys Pro Val Ala Ala Leu Gly Ser
660 665 670
Gly Ser Thr Ala Phe Asp Asn Ala Gly Ile Asn Thr Ala Val Glu Gly
675 680 685
Val Tyr Val Ala Asp Ala Val Asp Glu Ser Phe Ala Asn Asn Leu Glu
690 695 700
Glu Gly Leu Thr Val Phe Lys Phe Leu Asp Arg Phe Ala Leu Asp Ser
705 710 715 720
Asp Glu
<210> 7
<211> 2389
<212> DNA
<213> 人工序列
<400> 7
atgcgagctc tcggcctggt cggccttgtt ggcgtcgcca atgccgtctg tccgtatatg 60
acaggcgagc tcggccgtcg cgataccaac cccgatgcta ccgaggccac tgaggaattt 120
ctgtccgagt actaccttga cgacacggac tcgtacctga cgactgacgt cggcggccca 180
attgaggacc agcagagtct caaggccggt gcgcgcgggt ctaccctgct ggaagacttt 240
atcttccgtc agaagatcca gcgattcgac cacgagcggg tgagtgactg aggactcttc 300
aattgtcgat tgaaacgttg gatgctgact gcgcaggtcc ccgagcgtgc cgtccatgct 360
cggggtgcag gtgcccacgg tgtcttcacc tcgtacggcg acttctccaa catcaccgcc 420
gcctccttcc tctctgctga gggtaaggag acccccgtct tcgtccggtt ctcgaccgtc 480
gccggcagtc gtggcagttc tgacctcgcc cgcgatgtcc acggtttcgc cacccgcttt 540
tacactgacg agggcaactt tgatatcgtc ggtaacaaca ttcccgtctt tttcatccag 600
gatgccatcc agttccccga cctgatccac gccgtcaagc ccaagggcga tcgtgaaatc 660
ccgcaggctg ccacggccca tgacgccgcc tgggatttct tcagccagca gccctcgact 720
cttcacaccc tgctctgggc catggccggt cacggtatcc cgcgttcgtt ccgccacgtc 780
gatgggttcg gtgtgcacac tttccggctc gtcacggagg atggctccac caagctcgtc 840
aagttccact ggaagaccct gcaaggtttg gcaagtatgg tctgggagga agctcagcaa 900
atttctggca agaaccccga ctacatgcgc caggatctgt tcgagtcgat tgaggctggc 960
cggtaccctg agtgggaggt atggtacccc ttatttctac tacatagcga agatgtttac 1020
tgaccggaca gcttaacgtg caaatcatgg acgaggagga ccagttgcgc tttggcttcg 1080
accttttcga ccctaccaag attgtccctg aggaatacgt cccattgacc ccgctgggca 1140
agatgaccct caaccgcaac ccccgcaact actttgccga gactgagcag gtcatggtag 1200
gcttcctcct cccccttctg tatccctctc tttgccgttt ctaacagtaa cagttccaac 1260
ccggccacgt cgtgcgtggt gttgacttca ccgaggatcc ccttcttcag gtaggcggcg 1320
agcgacaaac ttttttgtct tttttaccta agctgactcg aagcagggac gtcttttcag 1380
ctaccttgac acccagctca accgcaatgg tggcccgaac tttgagcagt tgcccatcaa 1440
ccagccgcgc gttgctattc acaacaacaa ccgtgacggt gctggccaga tgttcattcc 1500
gctgaacccc gatgcgtaca gccccaacac gctgaaggga tcaaccctca aacaggccaa 1560
ccagactgcg ggtcgcggat tctttactgc tcctgaccgt actgccaacg gcaatcttgt 1620
gcgtgccaag agctccacct tcgatgatgc ttggtcgcag ccccggcttt tctggaactc 1680
tcttcttccc gccgagaagc agttcgtggt caacgccatt cgcttcgaaa acgccaatgt 1740
gaagagcgat gtcgtgaaga acaacgtcat cgttcagctt aatcgaatct cgaacgacct 1800
tgccacccgc gttgccaagg ccatcggtgt tgatgctccc gagcccgaca acacttacta 1860
ccacgacaac acgacctcca acatcggtgc gtttggccac cgactccaga gcttggctgg 1920
cctgaagatt gccgtacttg cttctgttga cgcagaggaa tccttcagcg cggctactgc 1980
tctgaaggcc gagctctcca acgacaacct ggacgtcatt gtcgtcgctg aacgcttctc 2040
caacggcgtg aaccagacct actctgcctc tgacgccatt cagtttgacg ccgtcgttgt 2100
tgcccctgga gcggagaagc tcttcggtgc caagtccgcg gccaactcca gctcaaccct 2160
ctaccctgcc ggccgtcccc tcgaaatcct cgttgatgct ttccgcttcg gtaagccagt 2220
cgctgctctt ggcagcggct ccactgcttt cgacaacgct ggtatcaaca ccgccgtcga 2280
gggcgtgtac gttgccgatg ccgtggacga gagctttgcc aacaacctcg aggagggtct 2340
gaccgtgttc aagttcttgg atcgctttgc cctggactcg gatgaatag 2389
<210> 8
<211> 711
<212> DNA
<213> 人工序列
<400> 8
atggtgagca agggcgagga ggataacatg gccatcatca aggagttcat gcgcttcaag 60
gtgcacatgg agggctccgt gaacggccac gagttcgaga tcgagggcga gggcgagggc 120
cgcccctacg agggcaccca gaccgccaag ctgaaggtga ccaagggtgg ccccctgccc 180
ttcgcctggg acatcctgtc ccctcagttc atgtacggct ccaaggccta cgtgaagcac 240
cccgccgaca tccccgacta cttgaagctg tccttccccg agggcttcaa gtgggagcgc 300
gtgatgaact tcgaggacgg cggcgtggtg accgtgaccc aggactcctc cctgcaggac 360
ggcgagttca tctacaaggt gaagctgcgc ggcaccaact tcccctccga cggccccgta 420
atgcagaaga agaccatggg ctgggaggcc tcctccgagc ggatgtaccc cgaggacggc 480
gccctgaagg gcgagatcaa gcagaggctg aagctgaagg acggcggcca ctacgacgct 540
gaggtcaaga ccacctacaa ggccaagaag cccgtgcagc tgcccggcgc ctacaacgtc 600
aacatcaagt tggacatcac ctcccacaac gaggactaca ccatcgtgga acagtacgaa 660
cgcgccgagg gccgccactc caccggcggc atggacgagc tgtacaagta g 711