Status Description Organism Genes References
sulfur reductase, molybdopterin subunit Acidithiobacillus ferrooxidans sreA
sulfur reductase, iron-sulfur binding subunit Acidithiobacillus ferrooxidans sreB
sulfur reductase, membrane subunit Acidithiobacillus ferrooxidans sreC
sulfur reductase Acidithiobacillus ferrooxidans sreD
hydrogenase/sulfur reductase subunit beta Chlorobium chlorochromatii GHBW-1039
hydrogenase/sulfur reductase subunit beta Chlorobium chlorochromatii GHBW-1583
hydrogenase/sulfur reductase, alpha subunit Cystobacter fuscus G10TT-7839
hydrogenase/sulfur reductase subunit beta Chlorobium limicola GHUH-2066
hydrogenase/sulfur reductase subunit beta Chlorobium luteolum G12WJ-1119
hydrogenase/sulfur reductase subunit gamma Chlorobium luteolum G12WJ-1120