3NMK
Crystal structure of a zinc mediated dimer for the phenanthroline-modified cytochrome cb562 variant, MBP-Phen2
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) | Soluble cytochrome b562 | polymer | 106 | 11461.9 | 4 | UniProt (P0ABE7) Pfam (PF07361) | Escherichia coli | Cytochrome b-562 |
| 2 | E, G, K, M (A, B, C, D) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 3 | F, H, L, N (A, B, C, D) | N-1,10-phenanthrolin-5-ylacetamide | non-polymer | 237.3 | 4 | Chemie (PXX) | |||
| 4 | I, J (B, C) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 5 | O, P, Q, R (A, B, C, D) | water | water | 18.0 | 32 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 106 (UniProt: P0ABE7)
| PDB | External Database | Details |
|---|---|---|
| Cys 59 | Lys 81 | engineered mutation |
| Ala 62 | Arg 84 | engineered mutation |
| Ala 63 | His 85 | engineered mutation |
| Ala 66 | Asp 88 | engineered mutation |
| Cys 98 | Arg 120 | engineered mutation |
| Cys 101 | Tyr 123 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 45847.7 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 3545.8 | |
| All* | Total formula weight | 49393.5 |
