2FZM:
reference: Redox-induced changes in flavin structure and roles of flavin N(5) and the ribityl 2'-OH group in regulating PutA--membrane binding., Zhang W, Zhang M, Zhu W, Zhou Y, Wanduragala S, Rewinkel D, Tanner JJ, Becker DF, Biochemistry. 2007 Jan 16;46(2):483-91. PMID: 17209558

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