6RF1
Crystal structure of the light-driven sodium pump KR2 in the pentameric "wet" form
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, D, E (A, B, C, D, E) | Sodium pumping rhodopsin | polymer | 288 | 32611.6 | 5 | UniProt (N0DKS8) Pfam (PF01036) | Dokdonia eikasta | |
| 2 | AB, BB, CB, F, G... (D, A, C, E, B) | (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate | non-polymer | 356.5 | 23 | Chemie (OLC) | |||
| 3 | AA, BA, CA, DB, EB... (B, D, A, C, E) | EICOSANE | non-polymer | 282.5 | 35 | Chemie (LFA) | |||
| 4 | DA, KB, O, S, UA (B, D, A, C) | SODIUM ION | non-polymer | 23.0 | 5 | Chemie (NA) | |||
| 5 | EA, LB, P, VA, WB (B, D, A, C, E) | octyl beta-D-glucopyranoside | non-polymer | 292.4 | 5 | Chemie (BOG) | |||
| 6 | FA, MB, T, WA, ZB (B, D, A, C, E) | RETINAL | non-polymer | 284.4 | 5 | Chemie (RET) | |||
| 7 | AC, BC, CC, DC, EC (A, B, C, D, E) | water | water | 18.0 | 199 | Chemie (HOH) |
Sequence modifications
A, B, C, D, E: 1 - 280 (UniProt: N0DKS8)
| PDB | External Database | Details |
|---|---|---|
| Leu 281 | - | expression tag |
| Glu 282 | - | expression tag |
| His 283 | - | expression tag |
| His 284 | - | expression tag |
| His 285 | - | expression tag |
| His 286 | - | expression tag |
| His 287 | - | expression tag |
| His 288 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 163057.9 | |
| Non-Polymers* | Number of molecules | 73 |
| Total formula weight | 21088.5 | |
| All* | Total formula weight | 184146.4 |






