9ZRQ
Cryo-EM structure of KCa2.2/calmodulin channel in complex with SKA31.
This is a non-PDB format compatible entry.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Small conductance calcium-activated potassium channel protein 2 | polymer | 361 | 41114.8 | 4 | UniProt (Q9H2S1) Pfam (PF03530) Pfam (PF07885) Pfam (PF02888) | Homo sapiens (human) | SK2,SKCa 2,SKCa2,KCa2.2 |
| 2 | E, F, G, H (E, F, G, H) | Calmodulin-1 | polymer | 146 | 16521.1 | 4 | UniProt (P0DP23) Pfam (PF13499) | Homo sapiens (human) | |
| 3 | I, J, K, L (A, C) | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) | |||
| 4 | M, P, S, V (E, F, G, H) | naphtho[1,2-d][1,3]thiazol-2-amine | non-polymer | 200.3 | 4 | Chemie (A1C3Q) | |||
| 5 | N, O, Q, R, T... (E, F, G, H) | CALCIUM ION | non-polymer | 40.1 | 8 | Chemie (CA) | |||
| 6 | AA, BA, Y, Z (C, D, A, B) | water | water | 18.0 | 20 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 230543.4 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 1278.1 | |
| All* | Total formula weight | 231821.4 |






