6RF4
Crystal structure of the potassium-pumping S254A mutant of the light-driven sodium pump KR2 in the pentameric form, pH 8.0
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 | 32595.6 | 5 | UniProt (N0DKS8) | Dokdonia eikasta | |
| 2 | AB, BA, CA, EA, F... (D, C, A, E, B) | (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate | non-polymer | 356.5 | 25 | Chemie (OLC) PubChem (25021708) PubChem (46840179) PubChem (54294271) PubChem (54294270) PubChem (5283468) PubChem (5364833) PubChem (33022) PubChem (11451146) PubChem (12178130) | |||
| 3 | BB, CB, DA, DB, EB... (D, C, A, E, B) | EICOSANE | non-polymer | 282.5 | 29 | Chemie (LFA) PubChem (8222) | |||
| 4 | HB, N, SB, UA, Y (D, A, E, C, B) | SODIUM ION | non-polymer | 23.0 | 5 | Chemie (NA) PubChem (923) | |||
| 5 | IB, O, TB, VA, Z (D, A, E, C, B) | octyl beta-D-glucopyranoside | non-polymer | 292.4 | 5 | Chemie (BOG) | |||
| 6 | AA, JB, R, VB, XA (B, D, A, E, C) | RETINAL | non-polymer | 284.4 | 5 | Chemie (RET) PubChem (1070) PubChem (23254473) PubChem (177675058) PubChem (638015) PubChem (5353924) PubChem (6436079) PubChem (6436082) PubChem (87082476) PubChem (87110449) PubChem (87110609) PubChem (88398773) PubChem (88407543) PubChem (11426127) PubChem (12227253) PubChem (12227254) PubChem (12227256) PubChem (12227257) PubChem (12227258) PubChem (12227259) PubChem (12227269) PubChem (12227270) PubChem (12227271) PubChem (5280490) PubChem (5381765) PubChem (134688327) PubChem (140510408) PubChem (145826762) PubChem (169423542) PubChem (172878320) | |||
| 7 | AC, WB, XB, YB, ZB (E, A, B, C, D) | water | water | 18.0 | 328 | Chemie (HOH) |
Sequence modifications
A, B, C, D, E: 1 - 280 (UniProt: N0DKS8)
| PDB | External Database | Details |
|---|---|---|
| Ala 254 | Ser 254 | engineered mutation |
| 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 | 162977.9 | |
| Non-Polymers* | Number of molecules | 69 |
| Total formula weight | 20106.3 | |
| All* | Total formula weight | 183084.2 |
