Gene Information
Gene NameKCNQ3
OrganismHomo sapiens (Human)
Gene Length872
Protein NamesPotassium voltage-gated channel subfamily KQT member 3 (KQT-like 3) (Potassium channel subunit alpha KvLQT3) (Voltage-gated potassium channel subunit Kv7.3)
Target Namepotassium voltage-gated channel subfamily kqt member 3
Target TypeNA
Gene Age544 ( ENSG00000184156 )
Evolutionary StageEumetazoa
AlphaFoldDBO43525
Gene CardKCNQ3
Uniprot IDO43525
PfamPF00520; PF03520; PF11956
In ASDno
Allosteric Predictionyes (0.660428163)
Ortholog in AnimalsAlpaca_ KCNQ3 ( ortholog_one2one )
Dog_ KCNQ3 ( ortholog_one2one )
GuineaPig_ KCNQ3 ( ortholog_one2one )
Macaque_ KCNQ3 ( ortholog_one2one )
Mouse_ Kcnq3 ( ortholog_one2one )
Pig_ KCNQ3 ( ortholog_one2one )
Rat_ Kcnq3 ( ortholog_one2one )
Rabbit_ KCNQ3 ( ortholog_one2one )
OhnologsKCNQ2, KCNQ4, KCNQ5
ParalogsKCNS1, KCND1, KCNA7, KCNB2, KCNG3, KCNQ1, KCNC4, KCNV1, KCNA1, KCNQ4, KCNA10, KCNC3, KCNV2, KCND3, KCNQ2, KCNB1, KCNA6, KCNA2, KCNA5, KCNG1, KCND2, KCNC1, KCNC2, KCNA4, KCNA3, KCNQ5, KCNF1, KCNG2, KCNG4, KCNS3, KCNS2
Tissuebrain, cerebral.cortex
Tissue SpecificityPredominantly expressed in brain.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 5J03  (X-ray  2.00A 
DBSNP rs118192248  rs118192249  rs118192250  rs2303995  rs118192252  rs74582884  rs138852641 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:10788442};
Multi-pass membrane protein {ECO:0000255}.
Mouse PG classificationHPG
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