2HJF
Potassium channel kcsa-fab complex 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 fragment Heavy chain | polymer | 219 | 23411.2 | 1 | Mus musculus (house mouse) | ||
| 2 | B (B) | Antibody fragment 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, G (C) | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) | |||
| 5 | H (C) | TETRABUTYLAMMONIUM ION | non-polymer | 242.5 | 1 | Chemie (TBA) | |||
| 6 | I, J, K (A, B, C) | water | water | 18.0 | 11 | 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 | 5 |
| Total formula weight | 398.9 | |
| All* | Total formula weight | 58224.6 |
