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9U7F

structure of human KCNQ1-KCNE1-CaM complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, D, G, J
(A, D, G, J)
Potassium voltage-gated channel subfamily KQT member 1polymer67674800.54UniProt (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
2B, E, H, K
(B, E, H, K)
Calmodulin-1polymer14916852.54UniProt (P0DP23)
Pfam (PF13499)
Homo sapiens (human)
3C, F, I, L
(C, F, I, L)
Potassium voltage-gated channel subfamily E member 1polymer12914690.74UniProt (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
4M, 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-tetraenoatenon-polymer1047.14Chemie (PT5)
5N, O, P, Q
(A)
POTASSIUM IONnon-polymer39.14Chemie (K)
6AA, BA, R, S, U...
(K, B, E, H)
CALCIUM IONnon-polymer40.18Chemie (CA)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains12
Total formula weight425375.0
Non-Polymers*Number of molecules16
Total formula weight4665.4
All*Total formula weight430040.4
*Water molecules are not included.

246704

PDB entries from 2025-12-24

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