2NZ0
Crystal structure of potassium channel Kv4.3 in complex with its regulatory subunit KChIP1
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, C) | Kv channel-interacting protein 1 | polymer | 180 | 21147.9 | 2 | UniProt (Q9NZI2) Pfam (PF13833) Pfam (PF13499) | Homo sapiens (human) | KChIP1, A-type potassium channel modulatory protein 1, Potassium channel-interacting protein 1, Vesicle APC-binding protein |
| 2 | B, D (B, D) | Potassium voltage-gated channel subfamily D member 3 | polymer | 140 | 16580.7 | 2 | UniProt (Q9UK17) Pfam (PF11601) Pfam (PF02214) | Homo sapiens (human) | Voltage-gated potassium channel subunit Kv4.3 |
| 3 | E, F, H, I (A, C) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 4 | G, J (B, D) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) |
Sequence modifications
A, C: 38 - 216 (UniProt: Q9NZI2)
| PDB | External Database | Details |
|---|---|---|
| Met 37 | - | initiating methionine |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 75457.2 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 291.1 | |
| All* | Total formula weight | 75748.4 |
