ID 1.8.99.3 DE Hydrogensulfite reductase. AN Bisulfite reductase. AN Desulfofuscidin. AN Desulforubidin. AN Desulfoviridin. AN Dissimilatory sulfite reductase. CA (O(3)S.S.SO(3))(2-) + acceptor + 2 H(2)O + OH(-) = 3 HSO(3)(-) + reduced CA acceptor. CF Iron-sulfur; Siroheme. CC -!- Methyl viologen can act as acceptor. CC -!- A group of sirohemoproteins containing iron-sulfur centers (P-582). DR O33998, DSRA_ALLVD ; Q59109, DSRA_ARCFU ; Q59110, DSRB_ARCFU ; DR P94693, DSVA_DESGI ; P45574, DSVA_DESVH ; P94694, DSVB_DESGI ; DR P45575, DSVB_DESVH ; P45573, DSVC_DESVH ; //