3NER
Structure of Human Type B Cytochrome b5
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Cytochrome b5 type B | polymer | 92 | 10549.6 | 2 | UniProt (O43169) Pfam (PF00173) In PDB | Homo sapiens (human) | Cytochrome b5 outer mitochondrial membrane isoform |
| 2 | A, B | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 3 | B | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | B | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | water | water | 18.0 | 297 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 21099.3 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 1353.3 | |
| All* | Total formula weight | 22452.6 |
