Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004497 | molecular_function | monooxygenase activity |
| A | 0005506 | molecular_function | iron ion binding |
| A | 0006707 | biological_process | cholesterol catabolic process |
| A | 0008395 | molecular_function | steroid hydroxylase activity |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0016705 | molecular_function | oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen |
| A | 0020037 | molecular_function | heme binding |
| A | 0036199 | molecular_function | cholest-4-en-3-one 26-monooxygenase activity |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0102199 | molecular_function | nitric oxide reductase (NAD(P)H) activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 23 |
| Details | binding site for residue HEM A 501 |
| Chain | Residue |
| A | PHE86 |
| A | MET244 |
| A | MET247 |
| A | SER286 |
| A | GLY344 |
| A | PHE345 |
| A | GLY346 |
| A | PHE347 |
| A | HIS350 |
| A | CYS352 |
| A | ALA354 |
| A | VAL87 |
| A | NO502 |
| A | HOH622 |
| A | HOH728 |
| A | HOH752 |
| A | HIS94 |
| A | ARG98 |
| A | ILE153 |
| A | LEU236 |
| A | ALA239 |
| A | GLY240 |
| A | THR243 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue NO A 502 |
| Chain | Residue |
| A | ALA239 |
| A | GLY240 |
| A | THR243 |
| A | HEM501 |
| site_id | AC3 |
| Number of Residues | 10 |
| Details | binding site for residue GOL A 503 |
| Chain | Residue |
| A | ALA55 |
| A | SER57 |
| A | GLU58 |
| A | MET89 |
| A | ASP90 |
| A | ARG292 |
| A | ASP349 |
| A | HIS350 |
| A | HOH740 |
| A | HOH870 |
Functional Information from PROSITE/UniProt
| site_id | PS00086 |
| Number of Residues | 10 |
| Details | CYTOCHROME_P450 Cytochrome P450 cysteine heme-iron ligand signature. FGfGDHRCIA |
| Chain | Residue | Details |
| A | PHE345-ALA354 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | BINDING: axial binding residue |
| Chain | Residue | Details |
| A | CYS352 | |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 4 |
| Details | M-CSA 473 |
| Chain | Residue | Details |
| A | THR243 | steric role |
| A | SER286 | proton shuttle (general acid/base) |
| A | CYS352 | activator, metal ligand |
| A | ASP393 | proton shuttle (general acid/base) |
