3IGA
Potassium Channel KcsA-Fab complex in Li+ and K+
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 | Mus musculus (mouse) | ||
| 3 | C (C) | Voltage-gated potassium channel | polymer | 124 | 13211.6 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) | Streptomyces lividans | |
| 4 | D (C) | NICKEL (II) ION | non-polymer | 58.7 | 1 | Chemie (NI) | |||
| 5 | E (C) | DIACYL GLYCEROL | non-polymer | 625.0 | 1 | Chemie (DGA) | |||
| 6 | F (C) | water | water | 18.0 | 3 | Chemie (HOH) |
Sequence modifications
C: 1 - 124 (UniProt: P0A334)
| PDB | External Database | Details |
|---|---|---|
| Ala 2 | Pro 2 | engineered mutation |
| 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 | 2 |
| Total formula weight | 683.7 | |
| All* | Total formula weight | 60742.3 |
