4j07 is a 5 chain structure with sequence from Mycobacterium leprae br4923. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
[RISB_MYCLB] 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.[HAMAP-Rule:MF_00178]