2DWE
Crystal structure of KcsA-FAB-TBA complex in Rb+
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | ANTIBODY FAB HEAVY CHAIN | polymer | 219 | 23411.2 | 1 | Mus musculus (house mouse) | ||
| 2 | B (B) | ANTIBODY FAB LIGHT CHAIN | polymer | 212 | 23435.7 | 1 | Mus musculus (house mouse) | ||
| 3 | C (C) | Voltage-gated potassium channel | polymer | 103 | 10978.7 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) | Streptomyces lividans | |
| 4 | D, E, F (C) | RUBIDIUM ION | non-polymer | 85.5 | 3 | Chemie (RB) | |||
| 5 | G (C) | (2S)-3-HYDROXY-2-(NONANOYLOXY)PROPYL LAURATE | non-polymer | 414.6 | 1 | Chemie (L2C) | |||
| 6 | H (C) | NONAN-1-OL | non-polymer | 144.3 | 1 | Chemie (F09) | |||
| 7 | I (C) | TETRABUTYLAMMONIUM ION | non-polymer | 242.5 | 1 | Chemie (TBA) | |||
| 8 | J, K, L (A, B, C) | water | water | 18.0 | 97 | Chemie (HOH) |
Sequence modifications
C: 22 - 124 (UniProt: P0A334)
| PDB | External Database | Details |
|---|---|---|
| Cys 90 | Leu 90 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 57825.7 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1057.7 | |
| All* | Total formula weight | 58883.5 |
