434D: 5'-R(Upapgpcpupcpc)-3', 5'-R(Gpgpgpgpcpupa)-3'
reference: Crystal structure of acceptor stem of tRNA(Ala) from Escherichia coli shows unique G.U wobble base pair at 1.16 A resolution., Mueller U, Schubel H, Sprinzl M, Heinemann U, RNA 1999 May;5(5):670-7. PMID: 10334337

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