Catalyzes the formation of 6,7-dimethyl-8-ribityllumazine by condensation of 5-amino-6-(D-ribitylamino)uracil with 3,4-dihydroxy-2-butanone 4-phosphate. This is the penultimate step in the biosynthesis of riboflavin. Also binds riboflavin with an unexpected high affinity.

Belongs to the DMRL synthase family.

159 amino acids

MFSGIKGPNPSDLKGPELRILIVHARWNLQAIEPLVKGAVETMIEKHDVKLENIDIESVPGSWELPQGIRASIARNTYDAVIGIGVLIKGSTMHFEYISEAVVHGLMRVGLDSGVPVILGLLTVLNEEQALYRAGLNGGHNHGNDWGSAAVEMGLKALY

17.2 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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