4QI1
Crystal structure of H. walsbyi bacteriorhodopsin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C (A, B, C) | Bacteriorhodopsin-I | polymer | 262 | 28490.1 | 3 | UniProt (Q18DH8) Pfam (PF01036) | Haloquadratum walsbyi | HwBR, Squarebop I |
| 2 | D, I, O (A, B, C) | RETINAL | non-polymer | 284.4 | 3 | Chemie (RET) | |||
| 3 | E, F, G, J, K... (A, B, C) | [(Z)-octadec-9-enyl] (2R)-2,3-bis(oxidanyl)propanoate | non-polymer | 356.5 | 9 | Chemie (MPG) | |||
| 4 | H (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 5 | Q, R, S (A, B, C) | water | water | 18.0 | 718 | Chemie (HOH) |
Sequence modifications
A, B, C: 3 - 254 (UniProt: Q18DH8)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | expression tag |
| Ala 2 | - | expression tag |
| Leu 255 | - | expression tag |
| Glu 256 | - | expression tag |
| His 257 | - | expression tag |
| His 258 | - | expression tag |
| His 259 | - | expression tag |
| His 260 | - | expression tag |
| His 261 | - | expression tag |
| His 262 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 85470.3 | |
| Non-Polymers* | Number of molecules | 13 |
| Total formula weight | 4154.3 | |
| All* | Total formula weight | 89624.5 |






