9U7F
structure of human KCNQ1-KCNE1-CaM complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, D, G, J (A, D, G, J) | Potassium voltage-gated channel subfamily KQT member 1 | polymer | 676 | 74800.5 | 4 | UniProt (P51787) Pfam (PF00520) Pfam (PF07885) Pfam (PF03520) | Homo sapiens (human) | IKs producing slow voltage-gated potassium channel subunit alpha KvLQT1,KQT-like 1,Voltage-gated potassium channel subunit Kv7.1 |
| 2 | B, E, H, K (B, E, H, K) | Calmodulin-1 | polymer | 149 | 16852.5 | 4 | UniProt (P0DP23) Pfam (PF13499) | Homo sapiens (human) | |
| 3 | C, F, I, L (C, F, I, L) | Potassium voltage-gated channel subfamily E member 1 | polymer | 129 | 14690.7 | 4 | UniProt (P15382) Pfam (PF02060) | Homo sapiens (human) | Delayed rectifier potassium channel subunit IsK,IKs producing slow voltage-gated potassium channel subunit beta Mink,Minimal potassium channel,MinK |
| 4 | M, T, W, Z (A, D, G, J) | [(2R)-1-octadecanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phospho ryl]oxy-propan-2-yl] (8Z)-icosa-5,8,11,14-tetraenoate | non-polymer | 1047.1 | 4 | Chemie (PT5) | |||
| 5 | N, O, P, Q (A) | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) | |||
| 6 | AA, BA, R, S, U... (K, B, E, H) | CALCIUM ION | non-polymer | 40.1 | 8 | Chemie (CA) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 12 |
| Total formula weight | 425375.0 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 4665.4 | |
| All* | Total formula weight | 430040.4 |






