2AUO
Residue F4 plays a key role in modulating the oxygen affinity and cooperatrivity in Scapharca dimeric hemoglobin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Globin I | polymer | 146 | 15983.3 | 2 | UniProt (P02213) Pfam (PF00042) In PDB | Scapharca inaequivalvis (ark clam) | Dimeric hemoglobin, HBI |
| 2 | A, B | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 3 | A, B | CARBON MONOXIDE | non-polymer | 28.0 | 2 | Chemie (CMO) | |||
| 4 | water | water | 18.0 | 190 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 146 (UniProt: P02213)
| PDB | External Database | Details |
|---|---|---|
| Tyr 97 | Phe 97 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 31966.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 1289.0 | |
| All* | Total formula weight | 33255.6 |
