1R1X
Crystal structure of oxy-human hemoglobin Bassett at 2.15 angstrom
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (A)  | Hemoglobin alpha chain | polymer | 141 | 15106.3 | 1 | UniProt (P69905) Pfam (PF00042)  | Homo sapiens (human) | |
| 2 | B (B)  | Hemoglobin beta chain | polymer | 146 | 15890.2 | 1 | UniProt (P68871) Pfam (PF00042)  | Homo sapiens (human) | |
| 3 | C, G (A, B)  | CARBON MONOXIDE | non-polymer | 28.0 | 2 | Chemie (CMO) | |||
| 4 | D, H (A, B)  | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
| 5 | E, F (A)  | TOLUENE | non-polymer | 92.1 | 2 | Chemie (MBN) | |||
| 6 | I, J (A, B)  | water | water | 18.0 | 192 | Chemie (HOH) | 
Sequence modifications
A: 1 - 141 (UniProt: P69905)
| PDB | External Database | Details | 
|---|---|---|
| Ala 94 | Asp 94 | variant | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 | 
| Total formula weight | 30996.5 | |
| Non-Polymers* | Number of molecules | 6 | 
| Total formula weight | 1473.3 | |
| All* | Total formula weight | 32469.8 | 






