3A3B:
reference: Crystal structures of the lumazine protein from Photobacterium kishitanii in complexes with the authentic chromophore, 6,7-dimethyl-8-(1'-D-ribityl) lumazine and its analogues, riboflavin and FMN, at high resolution., Sato Y, Shimizu S, Ohtaki A, Noguchi K, Miyatake H, Dohmae N, Sasaki S, Odaka M, Yohda M, J Bacteriol. 2009 Oct 23. PMID: 19854891

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