王恩多科研成就科研综述王恩多主要从事酶学和酶与核酸的相互作用的研究

通过基因定点研究了ArgRS与氨基酰化活力有关的重要的氨基酸残基；首次发现大肠杆菌tRNAArg2分子上的A20是大肠杆菌ArgRS识别tRNA的重要元件；首次结晶了大肠杆菌ArgRS，解出了晶胞参数，对晶体进行了初步研究；用核磁共振方法研究了ArgRS与底物结合时引起的构象变化；首次发现并证明LeuRS的CP1结构域内的292E和293A间的肽键对酶活力至关重要；首次发现LeuRS的292E－293A肽键间插入253－292之间40个氨基酸残基的插入突变变种LeuRS-A催化tRNALeu2亮氨酰化的速度为tRNALeu1的3倍，证明了LeuRS-A对tRNALeu等受体的识别是对接受茎上第一对碱基对是否为摆动碱基对的识别；首次发现LeuRS的CP1是编校活性中心所在，某些在该结构域的变种也可以不同程度误氨基酰化tRNALeu的等受体；最先提出大肠杆菌亮氨酰-tRNA合成酶的CP1结构域与编校误氨基酰-tRNA有关；系统研究了超嗜热菌亮氨酰-tRNA合成酶单独的CP1结构域编校功能，提出古老的细菌带有合成酶的进化遗迹，证明了氨基酰-tRNA合成酶/tRNA共进化的理论

科研项目序号项目名称级别时间1氨基酰-tRNA合成酶的合成和编校功能研究省级2009-09--2011-08 2贾第虫亮氨酰-tRNA合成酶晶体结构研究和抑制剂筛选国家级2011-01--2013-12 3tRNALeu 3'末端在氨基酰化和编校反应中的作用国家级2011-01--2013-12 4tRNA对蛋白质合成质量控制的作用及其新功能的研究国家级2012-01--2016-12 5蛋白质的生成、修饰与质量控制国家级2011-09--2016-09 6链霉菌两类亮氨酸tRNA与相关蛋白质的相互作用国家级2015-01--2018-12 7大肠杆菌氨基酰-tRNA合成酶的乙酰化国家级2016-01--2019-12 8蛋白质生物合成的质量控制国家级2012-01--2016-08 专利成果（ 1 ）分泌型高产戊二酰-7-氨基头孢烷酸酰化酶的新菌株，2003，第1作者，专利号：ZL 00 1 25105.8（ 2 ）戊二酰-7-氨基头孢烷酸酰化酶，2002，第 1 作者，专利号：ZL 97 1 06775.9（ 3 ）带有氯霉素抗性的分泌高产戊二酰-7-氨基头孢烷酸酰化酶的菌株 ，2003，第 1 作者，专利号： ZL 00 1 25106.6（ 4 ）一种化合物及其衍生物治疗肺炎球菌感染性疾病的用途，2013，第 1 作者,专利号： 201310248221.6主要论著截至2018年5月，王恩多在国际学术刊物上发表论文近90篇

论文被美国《生物化学年鉴》、《细胞》、《自然》、《分子细胞》、《欧洲分子生物学组织杂志》、《美国科学院院报》等杂志的文章引用500多次

 主要论文
Qian Huang, Xiao-Long Zhou, Zi-Peng Fang, Hui-Yan Lei, Qing-Hua Hu, Peng Yao, En-Duo Wang*, A bridge between the aminoacylation and editing domains of leucyl-tRNA synthetase is crucial for its synthetic activity. RNA, 2014, 20, 1440-1450.Zi-Peng Fang, Meng Wang, Zhi-Rong Ruan, Min Tan, Ru-Juan Liu, Mi Zhou, Xiao-Long Zhou* and En-Duo Wang*, Coexistence of bacterial leucyl-tRNA synthetases with archaeal tRNA binding domains that distinguish tRNALeu in the archaeal mode. Nucleic Acids Res., 2014, 42(8), 5109-5124.Fang Yang, Quan-Quan Ji, Liang-Liang Ruan, Qing Ye , En-Duo Wang*, The mRNA of Human Cytoplasmic Arginyl-tRNA Synthetase Recruits Prokaryotic Ribosomes Independently. J. Biol. Chem.,2014, 289(30), 20953-20959.Qing-Hua Hu, Ru-Juan Liu, Zi-Peng Fang, Jiong Zhang, YY Ding, Min Tan, Meng Wang, Wei Pan, Hu-Chen Zhou* and En-Duo Wang*, ZCL039, a benzoxaborole- based Streptococcus pneumoniae leucyl-tRNA synthetase inhibitor with potent antibacterial activity. Scientific Report, 2013, 3, 2475.Xiao-Long Zhou, Zhi-Peng Fang, Zhi-Rong Ruan, Meng Wang, Ruan-Juan Liu, Min Tan, Fabrizio Anella,En-Duo Wang*, Aminoacylation and translational quality control strategy employed by leucyl-tRNA synthetase from a human pathogen with genetic code ambiguity.Nucleic Acids Res., 2013, 41(21), 9825-9538.Ru-Juan Liu, Mi Zhou, Zhi-Peng Fang, Meng Wang, Xiao-Long Zhou,En-Duo Wang*, The tRNA recognition mechanism of the minimalist SPOUT methyltransferase, TrmL.Nucleic Acids Res., 2013, 41(16), 7828-7842.Tan Min, Wang Meng, Zhou Xiao-Long, Yan Wei, Eriani Gilbert andEn-Duo Wang*, The Yin and Yang of tRNA: proper binding of acceptor end determines the catalytic balance of editing and aminoacylation.Nucleic Acids Res, 2013, 41(10), 5513-5523.Wei Yan, Min Tan, Gilbert Eriani,En-Duo Wang*, Leucine-specific domain modulates the aminoacylation and proofreading functional cycle of bacterial leucyl-tRNA synthetase.Nucleic Acids Res, 2013, 41(9), 4988-4998.Xiao-Long Zhou, Zhi-Rong Ruan, Qian Huang, Min Tan,En-Duo Wang*,Translational fidelity maintenance preventing Ser mis-incorporation at Thr codon in protein from eukaryote.Nucleic Acids Res, 2013, 41(1), 302-314.Qing-Hua Hu, Qian Huang,En-Duo Wang*, Crucial role of the C-terminal domain ofMycobacteriumtuberculosisleucyl-tRNA synthetase in aminoacylation and editing.Nucleic Acids Res, 2013, 41(3), 1859-1872.Meng Wang, Xiao-Long Zhou, Ru-Juan Liu, Zhi-Peng Fang, Mi Zhou, Gilbert Eriani,En-Duo Wang*, Multilevel functional and structural defects induced by two pathogenic mitochondrial tRNA mutations.Biochem. J, 2013, 453(3), 455-465.Min Tan, Bin Zhu, Ru-Juan Liu, Xin Chen, Xiao-Long Zhou,En-Duo Wang*, Inter-domain communication modulates the tRNA-dependent pre-transfer editing of leucyl-tRNA synthetase.Biochem. J., 2013,449, 123-131.Liang-Liang Ruan, Xiao-Long Zhou, Min Tan,En-Duo Wang*, Human cytoplasmic ProX edits mischarged tRNAwith amino acid but not tRNA specificity.Biochem. 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