Gene Gene information from NCBI Gene database.
Entrez ID 3738
Gene name Potassium voltage-gated channel subfamily A member 3
Gene symbol KCNA3
Synonyms (NCBI Gene)
HGK5HLK3HPCN3HUKIIIKV1.3MK3PCN3
Chromosome 1
Chromosome location 1p13.3
Summary Potassium channels represent the most complex class of voltage-gated ion channels from both functional and structural standpoints. Their diverse functions include regulating neurotransmitter release, heart rate, insulin secretion, neuronal excitability, e
miRNA miRNA information provided by mirtarbase database.
42
miRTarBase ID miRNA Experiments Reference
MIRT1080236 hsa-miR-1238 CLIP-seq
MIRT1080237 hsa-miR-1915 CLIP-seq
MIRT1080238 hsa-miR-4283 CLIP-seq
MIRT1080239 hsa-miR-4303 CLIP-seq
MIRT1080240 hsa-miR-4489 CLIP-seq
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
31
GO ID Ontology Definition Evidence Reference
GO:0001508 Process Action potential IBA
GO:0005216 Function Monoatomic ion channel activity IEA
GO:0005244 Function Voltage-gated monoatomic ion channel activity TAS 1373731
GO:0005249 Function Voltage-gated potassium channel activity IDA 8774427
GO:0005249 Function Voltage-gated potassium channel activity IDA 1547020, 8774427
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
176263 6221 ENSG00000177272
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P22001
Protein name Potassium voltage-gated channel subfamily A member 3 (HGK5) (HLK3) (HPCN3) (Voltage-gated K(+) channel HuKIII) (Voltage-gated potassium channel subunit Kv1.3)
Protein function [Isoform 1]: Mediates the voltage-dependent potassium ion permeability of excitable membranes. Assuming opened or closed conformations in response to the voltage difference across the membrane, the protein forms a potassium-selective channel thr
PDB 4BGC , 7EJ1 , 7EJ2 , 7SSV , 7SSX , 7SSY , 7SSZ , 8DFL
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF02214 BTB_2 106 197 BTB/POZ domain Domain
PF00520 Ion_trans 233 491 Ion transport protein Family
Sequence
Sequence length 575
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  Reactome
    Voltage gated Potassium channels
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
16
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
KCNA3-associated developmental and epileptic encephalopathy Likely pathogenic rs2100949783, rs2524761170, rs2524761194, rs2524761160, rs763208216, rs2524761885, rs2524761872, rs2524761478, rs2524761374, rs2524761275, rs2524761189, rs2524760741, rs2524761198 RCV003994334
RCV003994526
RCV003994527
RCV003994528
RCV003994529
RCV003994530
RCV003994531
RCV003994532
RCV003994533
RCV003994534
RCV003994800
RCV003994801
RCV003994803
KCNA3-associated disorder Likely pathogenic rs2524761170 RCV003992756
Neurodevelopmental disorder Likely pathogenic rs2524761374 RCV004786900
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
KCNA3-related disorder Uncertain significance rs2524761675 RCV003982753
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Alzheimer Disease Stimulate 25362031
Ataxia Telangiectasia Associate 22110135
Atherosclerosis Associate 23099443
Autoimmune Diseases Associate 22045429, 22110135, 24075407, 26276903, 28723914, 35358481
Autoimmune Pancreatitis Associate 22045429
Breast Neoplasms Associate 19712592
Carcinoma Hepatocellular Associate 33237575
Colitis Ulcerative Associate 24793818
Colorectal Neoplasms Associate 28472608
Coronary Restenosis Associate 31597447