8pvj

Structural highlights

Function

RISB_AQUAE 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.^{[1] [2]}

References

1. ↑ Haase I, Mortl S, Kohler P, Bacher A, Fischer M. Biosynthesis of riboflavin in archaea. 6,7-dimethyl-8-ribityllumazine synthase of Methanococcus jannaschii. Eur J Biochem. 2003 Mar;270(5):1025-32. PMID:12603336
2. ↑ Zhang X, Meining W, Fischer M, Bacher A, Ladenstein R. X-ray structure analysis and crystallographic refinement of lumazine synthase from the hyperthermophile Aquifex aeolicus at 1.6 A resolution: determinants of thermostability revealed from structural comparisons. J Mol Biol. 2001 Mar 9;306(5):1099-114. PMID:11237620 doi:10.1006/jmbi.2000.4435