2R4Z
Ligand Migration and Binding in The Dimeric Hemoglobin of Scapharca Inaequivalvis: Structure of I25W with CO
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) | Globin-1 | polymer | 146 | 16040.4 | 2 | UniProt (P02213) Pfam (PF00042) | Scapharca inaequivalvis (ark clam) | Globin I, HbI, Dimeric hemoglobin |
| 2 | C (A) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 3 | D, F (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 4 | E, G (A, B) | CARBON MONOXIDE | non-polymer | 28.0 | 2 | Chemie (CMO) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 379 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 146 (UniProt: P02213)
| PDB | External Database | Details |
|---|---|---|
| Trp 25 | Ile 25 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 32080.7 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 1384.0 | |
| All* | Total formula weight | 33464.7 |
