Term Name:	sulfur reductase activity
Synonyms:	(donor):sulfur oxidoreductase activity, sulphur reductase activity
Definition:	Catalysis of the reduction of elemental sulfur or polysulfide to hydrogen sulfide, H2 + n sulfur = H+ + hydrogen sulfide + (n-1) sulfur.
Ontology:	GO: Molecular Function [GO:0033796]    QuickGO    AmiGO