| 4R9U: reference: Structure of AMP-PNP-bound BtuCD and mechanism of ATP-powered vitamin B12 transport by BtuCD-F., Korkhov VM, Mireku SA, Veprintsev DB, Locher KP, Nat Struct Mol Biol. 2014 Nov 17. doi: 10.1038/nsmb.2918. PMID: 25402482 |
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