E位點

E位點（英語：E site，E for exit）是蛋白質轉譯過程中核醣體中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

^ 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  .
^ 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

Sergiev, Petr V.; Lesnyak, Dmitry V.; Kiparisov, Sergey V.; Burakovsky, Dmitry E.; Leonov, Andrei A.; Bogdanov, Alexey A.; Brimacombe, Richard; Dontsova, Olga A. Function of the ribosomal E-site: a mutagenesis study. Nucleic Acids Research. 2005, 33 (18): 6048–6056. ISSN 0305-1048. PMC 1266066  . PMID 16243787. doi:10.1093/nar/gki910.
Molecular Biology of the Gene, 7th Edition, James D. Watson, Tania A. Baker,Stephen P. Bell,Alexander Gann, Michael Levine,Richard Losick, ©2014 Pearson

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