Chlorite dismutase
| chlorite dismutase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 1.13.11.49 | ||||||||
| Databases | |||||||||
| BRENDA | enzyme data | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | enzyme entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| Rhea | reactions | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
Chlorite dismutase, also known as Chlorite O2-lyase (EC 1.13.11.49), is an enzyme that catalyzes the chemical reaction
- ClO−2 → Cl− + O2
Reactions that generate oxygen molecules are exceedingly rare in biology, except in photosynthesis, and they are difficult to mimic synthetically. Perchlorate-respiring bacteria enzymatically detoxify chlorite (ClO−2), the end product of the perchlorate (ClO−4) respiratory pathway, by converting it to dioxygen (O2) and chloride (Cl−).[1] Chlorite dismutase is a hemoprotein, but it bears no structural or sequence relationships with known peroxidases or other heme proteins, and is part of a large family of proteins with more than one biochemical function.
References
[edit]- ↑ DuBois JL, Ojha S (2015). "Chapter 3: Production of Dioxygen in the Dark: Dismutases of Oxyanions". In Kroneck PM, Torres ME (eds.). Sustaining Life on Planet Earth: Metalloenzymes Mastering Dioxygen and Other Chewy Gases. Metal Ions in Life Sciences. Vol. 15. Springer. pp. 45–87. doi:10.1007/978-3-319-12415-5_3. ISBN 978-3-319-12414-8.
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