Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | MYOGLOBIN | polymer | 154 | 17365.2 | 1 | UniProt (P02185) Pfam (PF00042) | Physeter catodon (sperm whale) | |
| 2 | B (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 3 | C (A) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
| 4 | D (A) | water | water | 18.0 | 136 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 17365.2 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 712.5 | |
| All* | Total formula weight | 18077.7 |
