1G58:
reference: Crystal structure of 3,4-dihydroxy-2-butanone 4-phosphate synthase of riboflavin biosynthesis., Liao DI, Calabrese JC, Wawrzak Z, Viitanen PV, Jordan DB, Structure (Camb) 2001 Jan 10;9(1):11-8. PMID: 11342130

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