. "\"Catalysis of the reaction: sulfite + 2 ferricytochrome c + H2O = sulfate + 2 ferrocytochrome c.\" [EC:1.8.2.1, MetaCyc:SULFITE-DEHYDROGENASE-RXN]" . . "sulfite dehydrogenase activity" . "sulfite cytochrome c reductase activity" . "sulfite-cytochrome c oxidoreductase activity" . "sulfite:ferricytochrome-c oxidoreductase activity" . "sulphite dehydrogenase activity" . "EC:1.8.2.1" . "MetaCyc:SULFITE-DEHYDROGENASE-RXN" . .