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22BK

KCNQ2/3 heterotetramer with 2:2 stoichiometry

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, C)
Potassium voltage-gated channel subfamily KQT member 2polymer87295976.72UniProt (O43526)Homo sapiens (human)KQT-like 2,Neuroblastoma-specific potassium channel subunit alpha KvLQT2,Voltage-gated potassium channel subunit Kv7.2
2C, D
(D, B)
Potassium voltage-gated channel subfamily KQT member 3polymer87296866.42UniProt (O43525)Homo sapiens (human)KQT-like 3,Potassium channel subunit alpha KvLQT3,Voltage-gated potassium channel subunit Kv7.3
3E, F, G, H
(A, C, B)
POTASSIUM IONnon-polymer39.14Chemie (K)
PubChem (813)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight385686.3
Non-Polymers*Number of molecules4
Total formula weight156.4
All*Total formula weight385842.7
*Water molecules are not included.

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PDB entries from 2026-06-03

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