CN1344740A - Human testicular development specific protein-20 gene encoding protein - Google Patents
Human testicular development specific protein-20 gene encoding protein Download PDFInfo
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Abstract
本发明属于人类基因组技术领域,所述的人睾丸发育特异性蛋白－20基因(testis development specific protein gene 20,NYD－SP20)基因全长cDNA序列为1365bp,其开放阅读框序列为1092bp,其编码363个氨基酸,该基因在基因库(Genbank)中的编号为AF367472。本发明利用NYD－SP20基因克隆制备融合蛋白,并用该蛋白免疫动物制备单克隆和多克隆抗体,同时将基因克隆用于睾丸特异功能基因表达芯片的制备。The invention belongs to the field of human genome technology. The full-length cDNA sequence of the human testis development specific protein gene 20 (NYD-SP20) gene is 1365bp, its open reading frame sequence is 1092bp, and its coding 363 amino acids, the number of this gene in Genbank (Genbank) is AF367472. The invention utilizes NYD-SP20 gene cloning to prepare fusion protein, uses the protein to immunize animals to prepare monoclonal and polyclonal antibodies, and uses gene cloning to prepare testicular specific function gene expression chips.
Description
一、技术领域1. Technical field
本发明属于人类基因组技术领域。The invention belongs to the technical field of human genome.
二、发明内容2. Contents of the invention
本发明所述人睾丸发育特异性蛋白-20基因(testis developmentspecific protein gene 20，NYD-SP20)是发明人在南京医科大学生殖医学江苏省重点实验室用基因芯片方法筛选获得，首先制备人睾丸功能基因表达芯片，通过比较胚胎和成年人睾丸功能基因的表达，获得差异表达克隆，经序列测定证明为全长cDNA，为1365p；其开放阅读框架为1092bp，其编码363个氨基酸。查阅基因库，该基因为新基因。由于该基因是成人睾丸高表达，胚胎睾丸低表达，因此发现的人睾丸发育特异性蛋白-20基因可能与睾丸发育，特别是精子发生有关，用该基因克隆可制备成融合蛋白，用该蛋白免疫家兔，可获得单克隆和多克隆抗体，该基因也可用于制备睾丸功能基因表达芯片。The human testis development specific protein gene-20 gene (testis development specific protein gene 20, NYD-SP20) described in the present invention was obtained by the inventor in the Jiangsu Key Laboratory of Reproductive Medicine of Nanjing Medical University by gene chip method screening. Gene expression chip, by comparing the expression of embryonic and adult testis functional genes, differentially expressed clones were obtained, which were proved by sequence determination to be full-length cDNA, which was 1365p; its open reading frame was 1092bp, and it encoded 363 amino acids. Check the gene bank, the gene is new. Because this gene is highly expressed in adult testis and low in embryonic testis, the human testis development-specific protein-20 gene found may be related to testis development, especially spermatogenesis, and the gene can be cloned to prepare a fusion protein. By immunizing rabbits, monoclonal and polyclonal antibodies can be obtained, and the gene can also be used to prepare a testis functional gene expression chip.
由于人睾丸发育特异性蛋白-20基因在Genbank数据库中尚无人的同源基因，本发明人对于该基因的结构和功能研究成果全都是开创性的。美国国家生物技术情报中心(National Center for BiotechnologyInformation，NCBI)已正式接受该基因为Genbank的新成员，接受号为AF367472。Since the human testis development-specific protein-20 gene has no homologous gene in the Genbank database, the inventors' research results on the structure and function of this gene are all groundbreaking. The National Center for Biotechnology Information (NCBI) has officially accepted the gene as a new member of Genbank with the acceptance number AF367472.
1 gggggacggg gccgcctgga cgacggttga cggaggcgag ggaaactgag ggcgaaagtc1 gggggacggg gccgcctgga cgacggttga cggaggcgag ggaaactgag ggcgaaagtc
61 tagtgggaca atgtcatatt ataaatttgg aatgctgaat agaaaattat agattttgat61 tagtgggaca atgtcatatt ataaatttgg aatgctgaat agaaaattat agatttgat
121 attgaaggaa atgaagcgaa gcctaagtga aaattcagct cgaagtacag caggctgttt121 attgaaggaa atgaagcgaa gcctaagtga aaattcagct cgaagtacag caggctgttt
181 gcctgttccg ttgttcaatc agaaaaagag gaacagacag ccattaactt ctaatccact181 gcctgttccg ttgttcaatc agaaaaagag gaacagacag ccattaactt ctaatccact
241 taaagatgat tcaggtatca gtaccccttc tgacaattat gattttcctc ctctacctac241 taaagatgat tcaggtatca gtaccccttc tgacaattat gattttcctc ctctacctac
301 agattgggcc tgggaagctg tgaatccaga gttggctcct gtaatgaaaa cagtggacac301 agattgggcc tgggaagctg tgaatccaga gttggctcct gtaatgaaaa cagtggacac
361 cgggcaaata ccacattcag cttctcgtcc tctgagaagt caagattctg tctttaactc361 cgggcaaata ccacattcag cttctcgtcc tctgagaagt caagattctg tctttaactc
421 tattcaatca aatactggaa gaagccaggg tggttggagc tacagagatg gtaacaaaaa421 tattcaatca aatactggaa gaagccaggg tggttggagc tacagagatg gtaacaaaaa
481 taccagcttg aaaacttgga ataaaaatga ttttaagcct caatgtaaac gaacaaactt481 taccagcttg aaaacttgga ataaaaatga ttttaagcct caatgtaaac gaacaaactt
541 agtggcaaat gatggaaaaa attcttgtcc agtgagttcg ggagctcaac aacaaaaaca541 agtggcaaat gatggaaaaa attcttgtcc agtgagttcg ggagctcaac aacaaaaaca
601 attaagaata cctgaacctc ctaacttatc tcgcaacaaa gaaaccgagc tactcagaca601 attaagaata cctgaacctc ctaacttatc tcgcaacaaa gaaaccgagc tactcagaca
661 aacacattca tcaaaaatat ctggctgcac aatgagaggg ctagacaaaa acagtgcact661 aacacattca tcaaaaatat ctggctgcac aatgagaggg ctagacaaaa acagtgcact
721 acagacactt aagcccaatt ttcaacaaaa tcaatataag aaacaaatgt tggatgatat721 acagacactt aagcccaatt ttcaacaaaa tcaatataag aaacaaatgt tggatgatat
781 tccagaagac aacaccctga aggaaacctc attgtatcag ttacagttta aggaaaaagc781 tccagaagac aacaccctga aggaaacctc attgtatcag ttacagttta aggaaaaagc
841 tagttcttta agaattattt ctgcagttat tgaaagcatg aagtattggc gtgaacatgc841 tagttcttta agaattattt ctgcagttat tgaaagcatg aagtattggc gtgaacatgc
901 acagaaaact gtacttcttt ttgaagtatt agctgttctt gattcagctg ttacacctgg901 acagaaaact gtacttcttt ttgaagtatt agctgttctt gattcagctg ttacacctgg
961 cccatattat tcgaagactt ttcttatgag ggatgggaaa aatactctgc cttgtgtctt961 cccatattat tcgaagactt ttcttatgag ggatgggaaa aatactctgc cttgtgtctt
1021 ttatgaaatc gatcgtgaac ttccgagact gattagaggc cgagttcata gatgtgttgg1021 ttatgaaatc gatcgtgaac ttccgagact gattagaggc cgagttcata gatgtgttgg
1081 caactatgac cagaaaaaga acattttcca atgtgtttct gtcagaccgg cgtctgtttc1081 caactatgac cagaaaaaga attttcca atgtgtttct gtcagaccgg cgtctgtttc
1141 tgaacaaaaa actttccagg catttgtcaa aattgcagat gttgagatgc agtattatat1141 tgaacaaaaa actttccagg catttgtcaa aattgcagat gttgagatgc agtattatat
1201 taatgtgatg aatgaaactt aagtagtgat aaaaggaagt ttagcataaa ttatagtagt1201 taatgtgatg aatgaaactt aagtagtgat aaaaggaagt ttagcataaa ttatagtagt
1261 tttctgttat tgcttaattt accatctcca tagttttata gctactattg tatttcactt1261 tttctgttat tgcttaattt accatctcca tagttttata gctactattg tatttcactt
1321 gttgaattaa agtatttgaa ttcttttaaa aaaaaaaaaa aaaaa1321 gttgaattaa agtatttgaa ttcttttaaa aaaaaaaaaa aaaaa
人睾丸发育特异性蛋白-20基因cDNA序列MKRSLSENSARSTAGCLPVPLFNQKKRNRQPLTSNPLKDDSGISTPSDNYDFPPLPTDWAWEAVNPELAPVMKTVDTGQIPHSASRPLRSQDSVFNSIQSNTGRSQGGWSYRDGNKNTSLKTWNKNDFKPQCKRTNLVANDGKNSCPVSSGAQQQKQLRIPEPPNLSRNKETELLRQTHSSKISGCTMRGLDKNSALQTLKPNFQQNQYKKQMLDDIPEDNTLKETSLYQLQFKEKASSLRIISAVIESMKYWREHAQKTYLLFEVLAVLDSAVTPGPYYSKTFLMRDGKNTLPCVFYEIDRELPRLIRGRVHRCVGNYDQKKNIFQCVSVRPASVSEQKTFQAFVKIADVEMQYYINVMNET人睾丸发育特异性蛋白-20基因cDNA序列MKRSLSENSARSTAGCLPVPLFNQKKRNRQPLTSNPLKDDSGISTPSDNYDFPPLPTDWAWEAVNPELAPVMKTVDTGQIPHSASRPLRSQDSVFNSIQSNTGRSQGGWSYRDGNKNTSLKTWNKNDFKPQCKRTNLVANDGKNSCPVSSGAQQQKQLRIPEPPNLSRNKETELLRQTHSSKISGCTMRGLDKNSALQTLKPNFQQNQYKKQMLDDIPEDNTLKETSLYQLQFKEKASSLRIISAVIESMKYWREHAQKTYLLFEVLAVLDSAVTPGPYYSKTFLMRDGKNTLPCVFYEIDRELPRLIRGRVHRCVGNYDQKKNIFQCVSVRPASVSEQKTFQAFVKIADVEMQYYINVMNET
人睾丸发育特异性蛋白-20基因编码蛋白氨基酸序列Amino acid sequence of protein encoded by human testis development specific protein-20 gene
本发明的目的是：鉴于人睾丸发育特异性蛋白-20基因是本发明人发现的全新基因，目前人类对此基因的认识和了解仅限于本发明人所做的科学研究工作。由于该基因是与睾丸特异功能相关的基因，而且是胚胎低表达，成人高表达，因此该基因很可能与睾丸发育，特别是精子发生有关，其异常表达可能影响男性的生殖功能，因此该基因的研究可用于：The purpose of the present invention is: in view of the fact that the human testis development specific protein-20 gene is a brand-new gene discovered by the inventor, the current human knowledge and understanding of this gene is limited to the scientific research work done by the inventor. Since this gene is a gene related to the specific function of the testis, and its expression is low in embryos and high in adults, it is likely to be related to testis development, especially spermatogenesis, and its abnormal expression may affect male reproductive function, so this gene Research available for:
①通过制备该基因的融合蛋白，用于研究该基因与睾丸功能的关系，还可能成为一种治疗男性睾丸相关疾病的生物药品。① By preparing the fusion protein of the gene, it is used to study the relationship between the gene and testis function, and it may also become a biological drug for treating male testis-related diseases.
②制备特异性抗体：基因编码蛋白的特异性抗体是研究基因结构和功能的不可缺少的重要工具，人睾丸发育特异性蛋白-20基因编码蛋白的多克隆和单克隆抗体，可用作免疫组织化学染色、ELISA、免疫电镜、免疫共沉淀等多种根据免疫学原理设计的检测方法，可用于该基因编码蛋白在组织细胞中的定位和定量研究，也可用于各种生物样本(如血液、精液、尿液等)中的含量变化研究以及蛋白质-蛋白质相互作用研究等。因此，该抗体有可能用于制备与人睾丸发育特异性蛋白-20基因表达异常相关疾病的诊断试剂盒，并有可能用于制备抗生育药物。②Preparation of specific antibodies: specific antibodies to gene-encoded proteins are an indispensable and important tool for studying gene structure and function. Polyclonal and monoclonal antibodies to proteins encoded by the human testis development-specific protein-20 gene can be used as immune tissue Chemical staining, ELISA, immunoelectron microscopy, immunoprecipitation and other detection methods designed according to immunological principles can be used for the localization and quantitative research of the protein encoded by the gene in tissue cells, and can also be used for various biological samples (such as blood, Semen, urine, etc.) content change research and protein-protein interaction research, etc. Therefore, the antibody may be used to prepare a diagnostic kit for diseases related to the abnormal expression of the human testis development specific protein-20 gene, and may be used to prepare anti-fertility drugs.
③制备基因诊断芯片：将功能基因用于制备基因诊断芯片是基因开发研究的一个重要方面，在疾病诊断(如男性不育、性功能低下)和药物筛选等方面均具有重要意义。本发明技术方案1.人睾丸发育特异性蛋白-20基因融合蛋白的制备③Preparation of genetic diagnostic chips: The use of functional genes in the preparation of genetic diagnostic chips is an important aspect of gene development research, and is of great significance in disease diagnosis (such as male infertility, low sexual function) and drug screening. Technical scheme of the present invention 1. Preparation of human testis development specific protein-20 gene fusion protein
以人睾丸发育特异性蛋白-20基因开放阅读框的核苷酸序列与质粒pDESTTM15制备成GST-SP2-pDEST15表达质粒，在无NaCl的LB中30℃培养到0.5OD600，经0.3M NaCl诱导，超声粉碎后经GST亲和层析柱纯化，得到纯化的融合蛋白。2.人睾丸发育特异性蛋白-20基因编码蛋白特异性多克隆抗体The nucleotide sequence of the open reading frame of the human testis development specific protein-20 gene and the plasmid pDEST TM 15 were used to prepare the GST-SP2-pDEST15 expression plasmid, cultured in LB without NaCl at 30°C to 0.5OD600, and treated with 0.3M NaCl Induced, sonicated and purified by GST affinity chromatography column to obtain purified fusion protein. 2. Human testis development specific protein-20 gene-encoded protein-specific polyclonal antibody
取融合蛋白与载体蛋白KLH(Keyhole Limpet Hymocyanin)结合，经透析后再与完全/不完全佐剂(Complete/Incomplete Freund’sAdjuvant)等量混合，免疫新西兰兔(背部皮下注射)，每隔3～4周激发注射一次，共三次，于三个月后取血分离血清。以免疫前动物血清作为对照做ELISA，测定各免疫兔血清中抗体滴度。筛选高滴度血清，进一步用抗原作竞争抑制免疫试验确定抗体的特异性。根据ELISA结果确定其用于免疫组织化学染色的稀释倍数为1∶200～500。3.人睾丸发育特异性蛋白-20基因编码蛋白特异性单克隆抗体Combine the fusion protein with the carrier protein KLH (Keyhole Limpet Hymocyanin), and then mix it with an equal amount of complete/incomplete adjuvant (Complete/Incomplete Freund's Adjuvant) after dialysis, and immunize New Zealand rabbits (subcutaneous injection in the back), every 3~ Inject once every 4 weeks for a total of three times, and blood was collected three months later to separate serum. ELISA was performed with the animal serum before immunization as a control, and the antibody titer in each immunized rabbit serum was determined. Screen high-titer sera, and further use the antigen as a competitive inhibition immunoassay to determine the specificity of the antibody. According to the results of ELISA, the dilution factor for immunohistochemical staining was determined to be 1:200-500. 3. Human testis development specific protein-20 gene-encoded protein-specific monoclonal antibody
取融合蛋白与载体蛋白KLH(Keyhole Limpet Hymocyanin)结合，经透析后再与完全/不完全佐剂(Complete/Incomplete Freund’sAdjuvant)混合，免疫Balb/C小鼠(腹腔内注射)，隔周一次，连续2-3次，融合前静脉加强一次，用ELISA方法证实抗体的产生后，取脾脏分离脾细胞，然后与骨髓瘤细胞融合产生杂交瘤细胞。阳性克隆经多次亚克隆，直至获得分泌抗人睾丸发育特异性蛋白-20的单克隆杂交瘤细胞株。4.人睾丸发育特异性蛋白-20基因用于制备睾丸功能基因表达芯片(1)以获取的人睾丸发育特异性蛋白-20基因的核苷酸序列设计引物，扩增全长的人睾丸发育特异性蛋白-20基因序列，用作点膜的样品。(2)用英国BioRobotics自动点膜仪将标本点在8×12cm尼龙膜上，每一标本点2个点，每点的DNA量约几ng。；阳性对照8个housekeeping genes(a.ribosomal protein S9；b.Actin gamma；c.glyceraldehyde-3-phosphate dehydrogenase；d.hypoxanthinephosphoribosyltransferase 1；e.H.sapiens mRNA for 23KD highly basicprotein；f.ubiqnitin C；g.Phospholipase A2；h.ubiquitin carboxy I-ferminal esterase L I)。阴性对照为λ噬菌体DNA和P-blue质粒。(3)将含有该基因的芯片用于人睾丸发育特异性蛋白-20基因缺失的诊断和药物筛选33P标记：Combine the fusion protein with the carrier protein KLH (Keyhole Limpet Hymocyanin), and then mix it with complete/incomplete adjuvant (Complete/Incomplete Freund's Adjuvant) after dialysis, and immunize Balb/C mice (intraperitoneal injection), once every other week , 2-3 times in a row, and the vein was strengthened once before fusion. After confirming the production of antibodies by ELISA method, the spleen was taken to separate spleen cells, and then fused with myeloma cells to produce hybridoma cells. Positive clones were subcloned multiple times until a monoclonal hybridoma cell line secreting anti-human testis development-specific protein-20 was obtained. 4. The human testis development-specific protein-20 gene is used to prepare the testis functional gene expression chip (1) to design primers for the nucleotide sequence of the human testis development-specific protein-20 gene obtained, and to amplify the full-length human testis development Specific protein-20 gene sequence, used as a sample for dot membrane. (2) Use the British BioRobotics automatic film spotting instrument to spot the specimens on an 8×12 cm nylon membrane, 2 spots for each sample, and the amount of DNA in each spot is about a few ng. ; positive control 8 housekeeping genes (a.ribosomal protein S9; b.Actin gamma; c.glyceraldehyde-3-phosphate dehydrogenase; d.hypoxanthinephosphoribosyltransferase 1; eHsapiens mRNA for 23KD highly basicprotein; f.ubiqnitin C; g.Phospholipase A2; h. ubiquitin carboxy I-ferminal esterase L I). Negative controls were lambda phage DNA and P-blue plasmid. (3) The chip containing the gene is used for the diagnosis and drug screening of human testis development specific protein-20 gene deletion 33 P marker:
抽提待检标本mRNA或DNA，用Random Primer标记法标记待检标本mRNA或DNA，作为杂交的探针。杂交：Extract the mRNA or DNA of the sample to be tested, and use the Random Primer labeling method to label the mRNA or DNA of the sample to be tested as a probe for hybridization. hybridization:
将点制好的尼龙膜标记探针杂交后，杂交炉(68℃)内烘干，用磷屏压片。信号扫描和分析：After hybridizing the prepared nylon membrane-labeled probes, dry them in a hybridization oven (68° C.), and press them with a phosphor screen. Signal Scanning and Analysis:
用记录仪分析杂交信号。根据杂交信号的强弱分析人睾丸发育特异性蛋白-20基因蛋白表达水平或人睾丸发育特异性蛋白-20基因的缺失。Hybridization signals were analyzed with a recorder. According to the intensity of the hybridization signal, the protein expression level of human testis development specific protein-20 gene or the deletion of human testis development specific protein-20 gene was analyzed.
人睾丸发育特异性蛋白-20基因编码蛋白 Human testis development-specific protein-20 gene-encoded protein
人睾丸发育特异性蛋白-20基因cDNA序列Human testis development specific protein-20 gene cDNA sequence
1 gggggacggg gccgcctgga cgacggttga cggaggcgag ggaaactgag ggcgaaagtc1 gggggacggg gccgcctgga cgacggttga cggaggcgag ggaaactgag ggcgaaagtc
61 tagtgggaca atgtcatatt ataaatttgg aatgctgaat agaaaattat agattttgat61 tagtgggaca atgtcatatt ataaatttgg aatgctgaat agaaaattat agatttgat
121 attgaaggaa atgaagcgaa gcctaagtga aaattcagct cgaagtacag caggctgttt121 attgaaggaa atgaagcgaa gcctaagtga aaattcagct cgaagtacag caggctgttt
181 gcctgttccg ttgttcaatc agaaaaagag gaacagacag ccattaactt ctaatccact181 gcctgttccg ttgttcaatc agaaaaagag gaacagacag ccattaactt ctaatccact
241 taaagatgat tcaggtatca gtaccccttc tgacaattat gattttcctc ctctacctac241 taaagatgat tcaggtatca gtaccccttc tgacaattat gattttcctc ctctacctac
301 agattgggcc tgggaagctg tgaatccaga gttggctcct gtaatgaaaa cagtggacac301 agattgggcc tgggaagctg tgaatccaga gttggctcct gtaatgaaaa cagtggacac
361 cgggcaaata ccacattcag cttctcgtcc tctgagaagt caagattctg tctttaactc361 cgggcaaata ccacattcag cttctcgtcc tctgagaagt caagattctg tctttaactc
421 tattcaatca aatactggaa gaagccaggg tggttggagc tacagagatg gtaacaaaaa421 tattcaatca aatactggaa gaagccaggg tggttggagc tacagagatg gtaacaaaaa
481 taccagcttg aaaacttgga ataaaaatga ttttaagcct caatgtaaac gaacaaactt481 taccagcttg aaaacttgga ataaaaatga ttttaagcct caatgtaaac gaacaaactt
541 agtggcaaat gatggaaaaa attcttgtcc agtgagttcg ggagctcaac aacaaaaaca541 agtggcaaat gatggaaaaa attcttgtcc agtgagttcg ggagctcaac aacaaaaaca
601 attaagaata cctgaacctc ctaacttatc tcgcaacaaa gaaaccgagc tactcagaca601 attaagaata cctgaacctc ctaacttatc tcgcaacaaa gaaaccgagc tactcagaca
661 aacacattca tcaaaaatat ctggctgcac aatgagaggg ctagacaaaa acagtgcact661 aacacattca tcaaaaatat ctggctgcac aatgagaggg ctagacaaaa acagtgcact
721 acagacactt aagcccaatt ttcaacaaaa tcaatataag aaacaaatgt tggatgatat721 acagacactt aagcccaatt ttcaacaaaa tcaatataag aaacaaatgt tggatgatat
781 tccagaagac aacaccctga aggaaacctc attgtatcag ttacagttta aggaaaaagc781 tccagaagac aacaccctga aggaaacctc attgtatcag ttacagttta aggaaaaagc
841 tagttcttta agaattattt ctgcagttat tgaaagcatg aagtattggc gtgaacatgc841 tagttcttta agaattattt ctgcagttat tgaaagcatg aagtattggc gtgaacatgc
901 acagaaaact gtacttcttt ttgaagtatt agctgttctt gattcagctg ttacacctgg901 acagaaaact gtacttcttt ttgaagtatt agctgttctt gattcagctg ttacacctgg
961 cccatattat tcgaagactt ttcttatgag ggatgggaaa aatactctgc cttgtgtctt961 cccatattat tcgaagactt ttcttatgag ggatgggaaa aatactctgc cttgtgtctt
1021 ttatgaaatc gatcgtgaac ttccgagact gattagaggc cgagttcata gatgtgttgg1021 ttatgaaatc gatcgtgaac ttccgagact gattagaggc cgagttcata gatgtgttgg
1081 caactatgac cagaaaaaga acattttcca atgtgtttct gtcagaccgg cgtctgtttc1081 caactatgac cagaaaaaga attttcca atgtgtttct gtcagaccgg cgtctgtttc
1141 tgaacaaaaa actttccagg catttgtcaa aattgcagat gttgagatgc agtattatat1141 tgaacaaaaa actttccagg catttgtcaa aattgcagat gttgagatgc agtattatat
1201 taatgtgatg aatgaaactt aagtagtgat aaaaggaagt ttagcataaa ttatagtagt1201 taatgtgatg aatgaaactt aagtagtgat aaaaggaagt ttagcataaa ttatagtagt
1261 tttctgttat tgcttaattt accatctcca tagttttata gctactattg tatttcactt1261 tttctgttat tgcttaattt accatctcca tagttttata gctactattg tatttcactt
1321 gttgaattaa agtatttgaa ttcttttaaa aaaaaaaaaa aaaaa1321 gttgaattaa agtatttgaa ttcttttaaa aaaaaaaaaa aaaaa
人睾丸发育特异性蛋白-20基因编码蛋白氨基酸序列MKRSLSENSARSTAGCLPVPLFNQKKRNRQPLTSNPLKDDSGISTPSDNYDFPPLPTDWAWEAVNPELAPVMKTVDTGQIPHSASRPLRSQDSVFNSIQSNTGRSQGGWSYRDGNKNTSLKTWNKNDFKPQCKRTNLVANDGKNSCPVSSGAQQQKQLRIPEPPNLSRNKETELLRQTHSSKISGCTMRGLDKNSALQTLKPNFQQNQYKKQMLDDIPEDNTLKETSLYQLQFKEKASSLRIISAVIESMKYWREHAQKTVLLFEVLAVLDSAVTPGPYYSKTFLMRDGKNTLPCVFYEIDRELPRLIRGRVHRCVGNYDQKKNIFQCVSVRPASVSEQKTFQAFVKIADVEMQYYINVMNET人睾丸发育特异性蛋白-20基因编码蛋白氨基酸序列MKRSLSENSARSTAGCLPVPLFNQKKRNRQPLTSNPLKDDSGISTPSDNYDFPPLPTDWAWEAVNPELAPVMKTVDTGQIPHSASRPLRSQDSVFNSIQSNTGRSQGGWSYRDGNKNTSLKTWNKNDFKPQCKRTNLVANDGKNSCPVSSGAQQQKQLRIPEPPNLSRNKETELLRQTHSSKISGCTMRGLDKNSALQTLKPNFQQNQYKKQMLDDIPEDNTLKETSLYQLQFKEKASSLRIISAVIESMKYWREHAQKTVLLFEVLAVLDSAVTPGPYYSKTFLMRDGKNTLPCVFYEIDRELPRLIRGRVHRCVGNYDQKKNIFQCVSVRPASVSEQKTFQAFVKIADVEMQYYINVMNET
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