3w77 is a 2 chain structure with sequence from Bacillus sp. B29. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Q0WXX2_9BACI Catalyzes the reductive cleavage of azo bond in aromatic azo compounds to the corresponding amines. Requires NADH, but not NADPH, as an electron donor for its activity (By similarity).[HAMAP-Rule:MF_01216][SAAS:SAAS003680_004_018232]