Gene
Entrez ID Entrez Gene ID - the GENE ID in NCBI Gene database.
3752
Gene name Gene Name - the full gene name approved by the HGNC.
Potassium voltage-gated channel subfamily D member 3
Gene symbol Gene Symbol - the official gene symbol approved by the HGNC.
KCND3
Synonyms (NCBI Gene) Gene synonyms aliases
BRGDA9, KCND3L, KCND3S, KSHIVB, KV4.3, SCA19, SCA22
Chromosome Chromosome number
1
Chromosome location Chromosomal Location - indicates the cytogenetic location of the gene or region on the chromosome.
1p13.2
Summary Summary of gene provided in NCBI Entrez Gene.
Voltage-gated potassium (Kv) 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, neuro
SNPs SNP information provided by dbSNP.
SNP ID Visualize variation Clinical significance Consequence
rs149344567 C>T Pathogenic, uncertain-significance Genic downstream transcript variant, 3 prime UTR variant, missense variant, coding sequence variant
rs150401343 G>A Likely-pathogenic, uncertain-significance Missense variant, genic downstream transcript variant, coding sequence variant
rs200532657 C>T Benign, conflicting-interpretations-of-pathogenicity Genic downstream transcript variant, missense variant, coding sequence variant
rs201340369 G>A,T Uncertain-significance, conflicting-interpretations-of-pathogenicity Missense variant, coding sequence variant
rs369361457 C>A,T Conflicting-interpretations-of-pathogenicity Coding sequence variant, synonymous variant
miRNA miRNA information provided by mirtarbase database.
miRTarBase ID miRNA Experiments Reference
MIRT021549 hsa-miR-142-3p Microarray 17612493
MIRT051143 hsa-miR-16-5p CLASH 23622248
MIRT035756 hsa-miR-449c-5p CLASH 23622248
MIRT702548 hsa-miR-106a-5p HITS-CLIP 23313552
MIRT702547 hsa-miR-106b-5p HITS-CLIP 23313552
Gene ontology (GO) Gene ontology information of associated ontologies with gene provided by GO database.
GO ID Ontology Definition Evidence Reference
GO:0001508 Process Action potential IBA
GO:0005216 Function Monoatomic ion channel activity IEA
GO:0005249 Function Voltage-gated potassium channel activity IEA
GO:0005250 Function A-type (transient outward) potassium channel activity IBA
GO:0005250 Function A-type (transient outward) potassium channel activity IDA 21349352
Other IDs Other ids provides unique ids of gene in databases such as OMIM, HGNC, ENSEMBLE.
MIM HGNC e!Ensembl
605411 6239 ENSG00000171385
Protein
UniProt ID Q9UK17
Protein name A-type voltage-gated potassium channel KCND3 (Potassium voltage-gated channel subfamily D member 3) (Voltage-gated potassium channel subunit Kv4.3)
Protein function Pore-forming (alpha) subunit of voltage-gated A-type potassium channels that mediates transmembrane potassium transport in excitable membranes, in brain and heart (PubMed:10200233, PubMed:17187064, PubMed:21349352, PubMed:22457051, PubMed:232808
PDB 1S1G , 2NZ0 , 7W3Y , 7W6N , 7W6S , 7W6T
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF11601 Shal-type 3 31 Shal-type voltage-gated potassium channels, N-terminal Domain
PF02214 BTB_2 42 131 BTB/POZ domain Domain
PF00520 Ion_trans 182 414 Ion transport protein Family
PF11879 DUF3399 442 563 Domain of unknown function (DUF3399) Family
Tissue specificity TISSUE SPECIFICITY: Highly expressed in heart and brain, in particular in cortex, cerebellum, amygdala and caudate nucleus (PubMed:10200233, PubMed:10729221, PubMed:9843794). Detected at lower levels in liver, skeletal muscle, kidney and pancreas (PubMed:
Sequence
Sequence length 655
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG   Reactome
  Spinocerebellar ataxia   Voltage gated Potassium channels
Phase 1 - inactivation of fast Na+ channels
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Associated diseases Disease associations categorized as Causal (pathogenic variants), Unknown (uncertain genetic evidence), or Text Mining (literature-based associations)
Causal Diseases caused by PATHOGENIC or LIKELY PATHOGENIC variants from ClinVar only
Disease merge term Disease name dbSNP ID References
Spinocerebellar Ataxia spinocerebellar ataxia type 19/22 rs1571939827, rs1571939905, rs397515475, rs397515476, rs786205867, rs797045634, rs1057519453, rs1571636501, rs1571636508 N/A
Unknown Includes: (1) ClinVar NON-pathogenic variants (Uncertain, Benign, Conflicting, VUS), (2) GenCC associations, (3) GWAS associations, (4) CBGDA evidence-based associations. NOTE: Diseases with pathogenic evidence are excluded to avoid conflicts.
Disease merge term Disease name Evidence References Source
Atrial Fibrillation Atrial fibrillation N/A N/A GWAS
Brugada Syndrome brugada syndrome, Brugada syndrome 1 N/A N/A ClinVar, GenCC
Cardiomyopathy Primary dilated cardiomyopathy N/A N/A ClinVar
Diabetes Type 2 diabetes N/A N/A GWAS
Associations from Text Mining Disease associations identified through Pubtator
Disease Name Relationship Type References
Adenomyosis Stimulate 26830992
Anorchia Associate 30776697
Apraxias Associate 26189493
Arrhythmias Cardiac Associate 18192214, 21349352, 29259226, 37446101
Asthma Associate 28139761
Ataxia Associate 25854634, 30776697, 37446101
Atherosclerosis Associate 37372394
Atrial Fibrillation Inhibit 11693772
Atrial Fibrillation Associate 32921676, 35861988, 37122220
Atrial Flutter Associate 35861988