Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | CYTOCHROME C3 | polymer | 107 | 11687.5 | 2 | UniProt (P00131) Pfam (PF02085) | Desulfovibrio vulgaris subsp. vulgaris str. Hildenborough | |
| 2 | C, D, E, F, G... (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 8 | Chemie (HEM) | |||
| 3 | K, L (A, B) | water | water | 18.0 | 124 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 23374.9 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 4931.9 | |
| All* | Total formula weight | 28306.8 |
