2ZXI:
reference: Conserved cysteine residues of GidA are essential for biogenesis of 5-carboxymethylaminomethyluridine at tRNA anticodon., Osawa T, Ito K, Inanaga H, Nureki O, Tomita K, Numata T, Structure. 2009 May 13;17(5):713-24. PMID: 19446527

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