6B8P
Crystal Structure of the Mg2+/CaM:Kv7.4 (KCNQ4) AB domain complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C, E, G | Potassium voltage-gated channel subfamily KQT member 4 | polymer | 82 | 9913.7 | 4 | UniProt (P56696) In PDB | Homo sapiens (Human) | KQT-like 4,Potassium channel subunit alpha KvLQT4,Voltage-gated potassium channel subunit Kv7.4 |
| 2 | B, D, F, H | Calmodulin-1 | polymer | 149 | 16852.5 | 4 | UniProt (P0DP23) Pfam (PF13499) In PDB | Homo sapiens (Human) | |
| 3 | B, D, F, H | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 4 | C, E, F, H | SULFATE ION | non-polymer | 96.1 | 5 | Chemie (SO4) | |||
| 5 | water | water | 18.0 | 299 | Chemie (HOH) |
Sequence modifications
A, C, E, G: 325 - 367 (UniProt: P56696)
A, C, E, G: 524 - 557 (UniProt: P56696)
| PDB | External Database | Details |
|---|---|---|
| Gly 322 | - | expression tag |
| His 323 | - | expression tag |
| Met 324 | - | expression tag |
| PDB | External Database | Details |
|---|---|---|
| Lys 368 | - | linker |
| Leu 369 | - | linker |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 107065.1 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 577.5 | |
| All* | Total formula weight | 107642.7 |
