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9VEN

structure of human KCNQ1-CaM-PIP2 complex with bent conformation

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(B, D, F, H)
Calmodulin-1polymer14916852.54UniProt (P0DP23)
Pfam (PF13499)
Homo sapiens (human)
2E, F, G, H
(A, C, G, E)
Potassium voltage-gated channel subfamily KQT member 1polymer54662086.34UniProt (P51787)
Pfam (PF00520)
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
3I, J, K, L, M...
(B, D, F, H)
CALCIUM IONnon-polymer40.18Chemie (CA)
PubChem (271)
4Q, R, S, T
(A, C, G, E)
[(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)
PubChem (21584053)
PubChem (24742075)
PubChem (25021172)
PubChem (46891800)
PubChem (53480261)
PubChem (49867532)
PubChem (53731018)
PubChem (5497157)
PubChem (74343116)
PubChem (644093)
PubChem (88368868)
PubChem (101103400)
PubChem (101127471)
PubChem (137349554)
PubChem (146672970)
PubChem (162802760)
PubChem (137349667)
PubChem (155387720)
PubChem (177693253)
Sequence modifications
A, C, G, E: 76 - 620 (UniProt: P51787)
PDBExternal DatabaseDetails
Met 75-initiating methionine
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight315755.3
Non-Polymers*Number of molecules12
Total formula weight4509.0
All*Total formula weight320264.3
*Water molecules are not included.

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PDB entries from 2026-04-01

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