4G3M:
reference: Evolution of vitamin B(2) biosynthesis: eubacterial RibG and fungal Rib2 deaminases., Chen SC, Shen CY, Yen TM, Yu HC, Chang TH, Lai WL, Liaw SH, Acta Crystallogr D Biol Crystallogr. 2013 Feb;69(Pt 2):227-36. doi:, 10.1107/S0907444912044903. Epub 2013 Jan 19. PMID: 23385458

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