5E1A
Structure of KcsA with L24C/R117C mutations
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | antibody Fab fragment heavy chain | polymer | 219 | 23411.2 | 1 | Mus musculus | ||
| 2 | B | antibody Fab fragment light chain | polymer | 212 | 23435.7 | 1 | Mus musculus | ||
| 3 | C | pH-gated potassium channel KcsA | polymer | 124 | 13157.5 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) In PDB | Streptomyces lividans | Streptomyces lividans K+ channel,SKC1 |
| 4 | C | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) |
Sequence modifications
C: 4 - 124 (UniProt: P0A334)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | expression tag |
| Ala 2 | - | expression tag |
| Pro 3 | - | expression tag |
| Cys 24 | Leu 24 | engineered mutation |
| Cys 117 | Arg 117 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 60004.5 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 156.4 | |
| All* | Total formula weight | 60160.9 |
