4RUN
Crystal structure of human odorant binding protein OBPIIa
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) | Odorant-binding protein 2a | polymer | 161 | 18655.3 | 2 | UniProt (Q9NY56) Pfam (PF00061) | Homo sapiens (human) | Odorant-binding protein IIa, OBPIIa |
| 2 | C (A) | CITRATE ANION | non-polymer | 189.1 | 1 | Chemie (FLC) | |||
| 3 | D, E (A, B) | water | water | 18.0 | 15 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 155 (UniProt: Q9NY56)
| PDB | External Database | Details |
|---|---|---|
| Ser 99 | Cys 114 | engineered mutation |
| Asn 112 | Lys 127 | engineered mutation |
| His 156 | - | expression tag |
| His 157 | - | expression tag |
| His 158 | - | expression tag |
| His 159 | - | expression tag |
| His 160 | - | expression tag |
| His 161 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 37310.6 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 189.1 | |
| All* | Total formula weight | 37499.7 |
