9CA3
Crystal structure of MarE C280S in complex with cyanide bound heme and its native substrate, beta-methyl-L-tryptophan
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) | Tryptophan 2,3-dioxygenase | polymer | 286 | 32021.7 | 4 | UniProt (X2D878) | Streptomyces sp. B9173 | |
| 2 | E, H, K, N (A, B, C, D) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 3 | F, I, L, O (A, B, C, D) | CYANIDE ION | non-polymer | 26.0 | 4 | Chemie (CYN) | |||
| 4 | G, J, M, P (A, B, C, D) | (betaS)-beta-methyl-L-tryptophan | non-polymer | 218.3 | 4 | Chemie (78U) | |||
| 5 | Q, R, S, T (A, B, C, D) | water | water | 18.0 | 520 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 284 (UniProt: X2D878)
| PDB | External Database | Details |
|---|---|---|
| Gly -1 | - | expression tag |
| His 0 | - | expression tag |
| Ser 280 | Cys 280 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 128086.7 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 3443.0 | |
| All* | Total formula weight | 131529.8 |
