1TYY:
reference: Crystal Structure of an Aminoimidazole Riboside Kinase from Salmonella enterica; Implications for the Evolution of the Ribokinase Superfamily., Zhang Y, Dougherty M, Downs DM, Ealick SE, Structure (Camb) 2004 Oct;12(10):1809-21. PMID: 15458630

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