| Name | C-4 methylsterol oxidase activity |
| ID | GO_0000254 |
| collection_id | Molecular function |
| Exact synonym | 4-methylsterol oxidase activity |
| Description | Catalysis of the reaction: 4,4-dimethyl-5alpha-cholest-7-en-3beta-ol + 6 Fe(II)-[cytochrome b5] + 5 H+ + 3 O2 = 4alpha-carboxy-4beta-methyl-5alpha-cholest-7-ene-3beta-ol + 6 Fe(III)-[cytochrome b5] + 4 H2O. |
| Related synonym | methylsterol hydroxylase activity, methylsterol monooxygenase activity |
| Comment | Note that zymosterol is cholesta-8,24-dien-3-ol. |
| External URL | |
| Genes |