Menaquinol oxidase (H+-transporting) (EC 7.1.1.5, cytochrome aa3-600 oxidase) is an enzyme with systematic name menaquinol:O2 oxidoreductase (H+-transporting).[1][2][3] This enzyme catalyses the following chemical reaction
| Menaquinol oxidase (H+-transporting) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 7.1.1.5 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
- 2 menaquinol + O2 2 menaquinone + 2 H2O
Cytochrome aa3-600, one of the respiratory oxidases from Bacillus subtilis, is a member of the heme-copper family of oxygen reductases.
References
edit- ^ Lauraeus M, Wikström M (May 1993). "The terminal quinol oxidases of Bacillus subtilis have different energy conservation properties". The Journal of Biological Chemistry. 268 (15): 11470–3. doi:10.1016/S0021-9258(18)82147-0. PMID 8388393.
- ^ Lemma E, Simon J, Schägger H, Kröger A (June 1995). "Properties of the menaquinol oxidase (Qox) and of qox deletion mutants of Bacillus subtilis". Archives of Microbiology. 163 (6): 432–8. doi:10.1007/bf00272132. PMID 7575098. S2CID 38546234.
- ^ Yi SM, Narasimhulu KV, Samoilova RI, Gennis RB, Dikanov SA (June 2010). "Characterization of the semiquinone radical stabilized by the cytochrome aa3-600 menaquinol oxidase of Bacillus subtilis". The Journal of Biological Chemistry. 285 (24): 18241–51. doi:10.1074/jbc.M110.116186. PMC 2883873. PMID 20351111.
External links
edit- Menaquinol+oxidase+(H+-transporting) at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
