1FEQ:
reference: Functional anticodon architecture of human tRNALys3 includes disruption of intraloop hydrogen bonding by the naturally occurring amino acid modification, t6A., Stuart JW, Gdaniec Z, Guenther R, Marszalek M, Sochacka E, Malkiewicz A, Agris PF, Biochemistry 2000 Nov 7;39(44):13396-404. PMID: 11063577

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