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 | Antibody fragment Heavy chain | polymer | 219 | 23411.2 | 1 | Mus musculus (house mouse) | ||
2 | B | Antibody fragment Light chain | polymer | 212 | 23435.7 | 1 | Mus musculus (house mouse) | ||
3 | C | Voltage-gated potassium channel | polymer | 103 | 10978.7 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) In PDB | Streptomyces lividans | |
4 | C | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) | |||
5 | C | TETRABUTYLAMMONIUM ION | non-polymer | 242.5 | 1 | Chemie (TBA) | |||
6 | 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 |