3BXK
Crystal structure of the P/Q-type calcium channel (CaV2.1) IQ domain and CA2+calmodulin 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 (A, C) | Calmodulin | polymer | 148 | 16721.3 | 2 | UniProt (P62161) Pfam (PF13499) UniProt (by SIFTS) (P0DP29) | Rattus norvegicus (Norway rat) | CaM |
| 2 | B, D (B, D) | Voltage-dependent P/Q-type calcium channel subunit alpha-1A peptide | polymer | 21 | 2600.2 | 2 | UniProt (O00555) | ||
| 3 | E, F, G, H, J... (A, C) | CALCIUM ION | non-polymer | 40.1 | 8 | Chemie (CA) | |||
| 4 | I, N, O (A, C) | SULFATE ION | non-polymer | 96.1 | 3 | Chemie (SO4) | |||
| 5 | P, Q, R (A, B, C) | water | water | 18.0 | 53 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 38643.1 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 608.8 | |
| All* | Total formula weight | 39251.9 |
