Gene Information
Gene NameKCNC3
OrganismHomo sapiens (Human)
Gene Length757
Protein NamesPotassium voltage-gated channel subfamily C member 3 (KSHIIID) (Voltage-gated potassium channel subunit Kv3.3)
Target Namevoltage-gated potassium channel kv3.3
Target TypeLiterature-reported target
Gene Age78 ( ENSG00000131398 )
Evolutionary StageEumetazoa
AlphaFoldDBQ14003
Gene CardKCNC3
Uniprot IDQ14003
PfamPF02214; PF00520; PF11404
In ASDno
Allosteric Predictionno (-0.043016467)
Ortholog in AnimalsAlpaca_ KCNC3 ( ortholog_one2one )
Dog_ KCNC3 ( ortholog_one2one )
GuineaPig_ KCNC3 ( ortholog_one2one )
Macaque_ KCNC3 ( ortholog_one2one )
Mouse_ Kcnc3 ( ortholog_one2one )
Pig_ KCNC3 ( ortholog_one2one )
Rat_ Kcnc3 ( ortholog_one2one )
OhnologsKCNC4, KCNC1, KCNC2
ParalogsKCNS1, KCND1, KCNA7, KCNB2, KCNG3, KCNQ1, KCNQ3, KCNC4, KCNV1, KCNA1, KCNQ4, KCNA10, KCNV2, KCND3, KCNQ2, KCNB1, KCNA6, KCNA2, KCNA5, KCNG1, KCND2, KCNC1, KCNC2, KCNA4, KCNA3, KCNQ5, KCNF1, KCNG2, KCNG4, KCNS3, KCNS2
TissueNA
Tissue SpecificityNA
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs185017345  rs375912738  rs769502387  rs104894699  rs797044872  rs104894700  rs148033381  rs549394447  rs778523009  rs1460306526  rs958323371 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:10712820, ECO:0000269|PubMed:16501573, ECO:0000269|PubMed:19953606, ECO:0000269|PubMed:21479265, ECO:0000269|PubMed:22289912, ECO:0000269|PubMed:23734863, ECO:0000269|PubMed:25152487, ECO:0000269|PubMed:25756792, ECO:0000269|PubMed:26997484};
Multi-pass membrane protein {ECO:0000255}. Presynaptic cell membrane {ECO:0000250|UniProtKB:Q63959};
Multi-pass membrane protein {ECO:0000255}. Perikaryon {ECO:0000250|UniProtKB:Q63959}. Cell projection, axon {ECO:0000250|UniProtKB:Q63959}. Cell projection, dendrite {ECO:0000250|UniProtKB:Q63959}. Cell projection, dendritic spine membrane {ECO:0000250|UniProtKB:Q01956};
Multi-pass membrane protein {ECO:0000255}. Cytoplasm, cell cortex {ECO:0000269|PubMed:26997484}. Cytoplasm, cytoskeleton {ECO:0000269|PubMed:26997484}. Note=Detected on Purkinje cell dendritic spines, positioned perisynaptically but also in extrasynaptic positions along the spine membranes (By similarity). Detected at presynaptic calices of Held (By similarity). Colocalizes with the cortical actin cytoskeleton and the Arp2/3 complex (PubMed:26997484). {ECO:0000250|UniProtKB:Q01956, ECO:0000250|UniProtKB:Q63959, ECO:0000269|PubMed:26997484}.
Mouse PG classificationNA
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