oxidoreductase activity, acting on a sulfur group of donors sulfite reductase (coenzyme F420) activity https://github.com/geneontology/go-ontology/issues/30910 RHEA:42808 2011-09-22T04:08:13Z EC:1.8.98.3 MetaCyc:RXN-15618 coenzyme F420-sulfite reductase activity sulfite:reduced coenzyme F420 reductase activity hydrogen-sulfide:coenzyme F420 oxidoreductase activity ai molecular_function GO:0052806 coenzyme F420-dependent sulfite reductase activity Catalysis of the reaction: 3 oxidized coenzyme F420-(gamma-L-Glu)(n) + hydrogen sulfide + 3 H2O + 2 H+ = 3 reduced coenzyme F420-(gamma-L-Glu)(n) + sulfite.