EC Number |
Substrates |
Organism |
Products |
Reversibility |
---|
1.13.11.55 | 3S + 3H2O |
- |
Sulfurisphaera tokodaii |
HSO3- + 2HS- + 3H+ |
- |
? |
1.13.11.55 | 4 sulfur + 4 H2O + O2 |
- |
Halothiobacillus neapolitanus |
2 hydrogen sulfide + 2 bisulfite + 2 H+ |
- |
? |
1.13.11.55 | 4 sulfur + 4 H2O + O2 |
- |
Acidianus ambivalens |
2 hydrogen sulfide + 2 bisulfite + 2 H+ |
- |
? |
1.13.11.55 | 4 sulfur + 4 H2O + O2 |
- |
Sulfobacillus acidophilus |
2 hydrogen sulfide + 2 bisulfite + 2 H+ |
- |
? |
1.13.11.55 | 4 sulfur + 4 H2O + O2 |
- |
Acidithiobacillus caldus |
2 hydrogen sulfide + 2 bisulfite + 2 H+ |
- |
? |
1.13.11.55 | 4 sulfur + 4 H2O + O2 |
initial enzyme in the sulfur-oxidation pathway |
Acidianus ambivalens |
2 hydrogen sulfide + 2 bisulfite + 2 H+ |
- |
? |
1.13.11.55 | 4 sulfur + 4 H2O + O2 |
in the presence of oxygen but not under a hydrogen atmosphere, the enzyme simultaneously produces sulfite, thiosulfate, and hydrogen sulfide from sulfur. Nonenzymatic control experiments show that thiosulfate is produced mainly in a chemical reaction between sulfite and sulfur. The ratio of sulfite to hydrogen sulfide production is 5:4 in the presence of zinc ions |
Acidianus ambivalens |
2 hydrogen sulfide + 2 bisulfite + 2 H+ |
- |
? |
1.13.11.55 | 4 sulfur + 4 H2O + O2 |
in the presence of oxygen but not under a hydrogen atmosphere, the enzyme simultaneously produces sulfite, thiosulfate, and hydrogen sulfide from sulfur. Nonenzymatic control experiments show that thiosulfate is produced mainly in a chemical reaction between sulfite and sulfur. The ratio of sulfite to hydrogen sulfide production is 5:4 in the presence of zinc ions |
Acidianus ambivalens DSM 3772 |
2 hydrogen sulfide + 2 bisulfite + 2 H+ |
- |
? |
1.13.11.55 | 4 sulfur + 4 H2O + O2 |
- |
Acidianus ambivalens DSM 3772 |
2 hydrogen sulfide + 2 bisulfite + 2 H+ |
- |
? |
1.13.11.55 | 4 sulfur + 4 H2O + O2 |
initial enzyme in the sulfur-oxidation pathway |
Acidianus ambivalens DSM 3772 |
2 hydrogen sulfide + 2 bisulfite + 2 H+ |
- |
? |