ID 1.8.1.19 DE sulfide dehydrogenase. CA hydrogen sulfide + NADP(+) + n sulfur = NADPH + (n+1) sulfur. CC -!- In the archaeon Pyrococcus furiosus the enzyme is involved in the CC oxidation of NADPH which is produced in peptide degradation. CC -!- The enzyme also catalyzes the reduction of sulfur with lower CC activity. DR Q8U195, SUDHA_PYRFU; Q8U194, SUDHB_PYRFU; //