5HLX
X-ray crystal structure of met F43H/H64A sperm whale myoglobin in complex with nitrite
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 | 153 | 17158.9 | 1 | UniProt (P02185) Pfam (PF00042) | Physeter catodon (Sperm whale) | |
| 2 | B (A) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
| 3 | C, D (A) | NITRITE ION | non-polymer | 46.0 | 2 | Chemie (NO2) | |||
| 4 | E (A) | water | water | 18.0 | 286 | Chemie (HOH) |
Sequence modifications
A: 1 - 153 (UniProt: P02185)
| PDB | External Database | Details |
|---|---|---|
| His 43 | Phe 44 | engineered mutation |
| Ala 64 | His 65 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 17158.9 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 708.5 | |
| All* | Total formula weight | 17867.4 |
