1YT5:
reference: Structure of a NAD kinase from Thermotoga maritima at 2.3 A resolution., Oganesyan V, Huang C, Adams PD, Jancarik J, Yokota HA, Kim R, Kim SH, Acta Crystallograph Sect F Struct Biol Cryst Commun. 2005 Jul 1;61(Pt, 7):640-6. Epub 2005 Jun 30. PMID: 16511117

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