4DI6:
reference: Structure and analysis of nucleoside diphosphate kinase from Borrelia burgdorferi prepared in a transition-state complex with ADP and vanadate moieties., Dumais M, Davies DR, Lin T, Staker BL, Myler PJ, Van Voorhis WC, Acta Crystallogr F Struct Biol Commun. 2018 Jun 1;74(Pt 6):373-384. doi:, 10.1107/S2053230X18007392. Epub 2018 May 31. PMID: 29870023

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