ID 1.3.99.33 DE urocanate reductase. CA A + dihydrourocanate = AH2 + urocanate. CC -!- The enzyme functions as part of an anaerobic electron transfer chain CC that utilizes urocanate as the terminal electron acceptor. CC -!- The activity has been demonstrated with the artificial donor reduced CC methyl viologen. DR C8WLE3, URDA_EGGLE ; F9UNH3, URDA_LACPL ; B2GCE0, URDA_LIMF3 ; DR Q8CVD0, URDA_SHEON ; F8DIF2, URDA_STREP ; Q8DW88, URDA_STRMU ; //