2BOB
Potassium channel KcsA-Fab complex in thallium with tetrabutylammonium (TBA)
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 FRAGMENT HEAVY CHAIN | polymer | 219 | 23411.2 | 1 | MUS MUSCULUS (MOUSE) | ||
| 2 | B (B) | ANTIBODY FAB FRAGMENT LIGHT CHAIN | polymer | 212 | 23435.7 | 1 | Pfam (PF07654) UniProt (by SIFTS) (P01837) | MUS MUSCULUS (MOUSE) | |
| 3 | C (C) | POTASSIUM CHANNEL KCSA | polymer | 124 | 13211.6 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) | STREPTOMYCES LIVIDANS | |
| 4 | D (C) | THALLIUM (I) ION | non-polymer | 204.4 | 1 | Chemie (TL) | |||
| 5 | E (C) | COBALT (II) ION | non-polymer | 58.9 | 1 | Chemie (CO) | |||
| 6 | F (C) | TETRABUTYLAMMONIUM ION | non-polymer | 242.5 | 1 | Chemie (TBA) | |||
| 7 | G, H, I (A, B, C) | water | water | 18.0 | 56 | Chemie (HOH) |
Sequence modifications
C: 1 - 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 | 60058.6 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 505.8 | |
| All* | Total formula weight | 60564.3 |
