6B8M
Crystal Structure of the Ca2+/CaM:Kv7.4 (KCNQ4) AB Domain Complex, 1 mM CaCl2 soak
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 (A, C, E, G) | Potassium voltage-gated channel subfamily KQT member 4 | polymer | 82 | 9913.7 | 4 | UniProt (P56696) | Homo sapiens (Human) | KQT-like 4,Potassium channel subunit alpha KvLQT4,Voltage-gated potassium channel subunit Kv7.4 |
| 2 | B, D, F, H (B, D, F, H) | Calmodulin-1 | polymer | 149 | 16852.5 | 4 | UniProt (P0DP23) Pfam (PF13499) | Homo sapiens (Human) | |
| 3 | I, K, N, O, P... (B, D, F, H) | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) | |||
| 4 | J, L, M, R, S (C, D, E, H) | SULFATE ION | non-polymer | 96.1 | 5 | Chemie (SO4) | |||
| 5 | AA, T, U, V, W... (H, A, B, C, D...) | water | water | 18.0 | 223 | 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 | 11 |
| Total formula weight | 720.8 | |
| All* | Total formula weight | 107785.9 |
