ID 4.3.99.5 DE nitrosuccinate lyase. CA 2-nitrobutanedioate = fumarate + H(+) + nitrite. CC -!- The enzyme, found in some Actinobacteria, is involved in a pathway CC that forms nitrite, which is subsequently used to generate a diazo CC group in some secondary metabolites. DR K4R6W4, CREDH_STRDJ; A0A0K2JL82, CRED_STRCM ; //