1R2W:
reference: Incorporation of aminoacyl-tRNA into the ribosome as seen by cryo-electron microscopy., Valle M, Zavialov A, Li W, Stagg SM, Sengupta J, Nielsen RC, Nissen P, Harvey SC, Ehrenberg M, Frank J, Nat Struct Biol 2003 Nov;10(11):899-906. Epub 2003 Oct 19. PMID: 14566331

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