7MHR
KcsA E71V closed gate with K+
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | Fab heavy chain | polymer | 219 | 23411.2 | 1 | Mus musculus | ||
2 | B | Fab light chain | polymer | 212 | 23435.7 | 1 | Mus musculus | ||
3 | C | pH-gated potassium channel KcsA | polymer | 124 | 13181.6 | 1 | UniProt (P0A334) Pfam (PF00520) Pfam (PF07885) In PDB | Streptomyces lividans | Streptomyces lividans K+ channel,SKC1 |
4 | C | POTASSIUM ION | non-polymer | 39.1 | 3 | Chemie (K) | |||
5 | water | water | 18.0 | 223 | Chemie (HOH) |
Sequence modifications
C: 3 - 124 (UniProt: P0A334)
PDB | External Database | Details |
---|---|---|
Met 1 | - | initiating methionine |
Ala 2 | - | expression tag |
Val 71 | Glu 71 | engineered mutation |
Cys 90 | Leu 90 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 3 |
Total formula weight | 60028.6 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 117.3 | |
All* | Total formula weight | 60145.9 |