4NKW
Human steroidogenic cytochrome P450 17A1 mutant A105L with substrate pregnenolone
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Steroid 17-alpha-hydroxylase/17,20 lyase | polymer | 494 | 55782.2 | 4 | UniProt (P05093) Pfam (PF00067) | Homo sapiens (human) | 17-alpha-hydroxyprogesterone aldolase, CYPXVII, Cytochrome P450 17A1, Cytochrome P450-C17, Cytochrome P450c17, Steroid 17-alpha-monooxygenase |
| 2 | E, G, I, K (A, B, C, D) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 3 | F, H, J, L (A, B, C, D) | (3BETA)-3-HYDROXYPREGN-5-EN-20-ONE | non-polymer | 316.5 | 4 | Chemie (PLO) | |||
| 4 | M, N, O, P (A, B, C, D) | water | water | 18.0 | 87 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 24 - 508 (UniProt: P05093)
| PDB | External Database | Details |
|---|---|---|
| Met 19 | - | expression tag |
| Ala 20 | - | expression tag |
| Lys 21 | - | expression tag |
| Lys 22 | - | expression tag |
| Thr 23 | - | expression tag |
| Leu 105 | Ala 105 | engineered mutation |
| His 509 | - | expression tag |
| His 510 | - | expression tag |
| His 511 | - | expression tag |
| His 512 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 223128.9 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 3731.9 | |
| All* | Total formula weight | 226860.8 |
