4co9 is a 4 chain structure with sequence from Bacillus anthracis str. Ames. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
KYNB_BACAN Catalyzes the hydrolysis of N-formyl-L-kynurenine to L-kynurenine, the second step in the kynurenine pathway of tryptophan degradation (By similarity).