1KR7
Crystal structure of the nerve tissue mini-hemoglobin from the nemertean worm Cerebratulus lacteus
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Neural globin | polymer | 110 | 11546.9 | 1 | UniProt (O76242) Pfam (PF00042) | Cerebratulus lacteus (milky ribbon-worm) | Mini-hemoglobin |
| 2 | B (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 3 | C (A) | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 4 | D (A) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
| 5 | E (A) | OXYGEN MOLECULE | non-polymer | 32.0 | 1 | Chemie (OXY) | |||
| 6 | F (A) | water | water | 18.0 | 106 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 11546.9 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 803.6 | |
| All* | Total formula weight | 12350.5 |
