E位點(英語:E site,E for exit)是蛋白質轉譯過程中核醣體tRNA的第三個也是最後一個結合位點[1]“E”代表出口,並伴有作為第二結合位點的P位點(peptidyl)和作為第一結合位點的A位點(aminoacyl)。[2]

參考資料

  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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