E位点(英语:E site,E for exit)是蛋白质转译过程中核糖体tRNA的第三个也是最后一个结合位点[1]“E”代表出口,并伴有作为第二结合位点的P位点(peptidyl)和作为第一结合位点的A位点(aminoacyl)。[2]

参考资料

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  1. ^ Chen, C.; Stevens, B.; Kaur, J.; Smilansky, Z.; Cooperman, B. S.; Goldman, Y. E. Allosteric vs. spontaneous exit-site (E-site) tRNA dissociation early in protein synthesis. Proceedings of the National Academy of Sciences. 2011-10-03, 108 (41): 16980–16985. Bibcode:2011PNAS..10816980C. ISSN 0027-8424. PMC 3193197 . PMID 21969541. doi:10.1073/pnas.1106999108 . 
  2. ^ Kirillov, S., Makarov, E., & Semenkov, Y. (1983). Quantitative study of interaction of deacylated tRNA with Escherichia coli ribosomes. FEBS Letters, 157(1), 91-94. doi:10.1016/0014-5793(83)81122-3

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