Gene Gene information from NCBI Gene database.
Entrez ID 3736
Gene name Potassium voltage-gated channel subfamily A member 1
Gene symbol KCNA1
Synonyms (NCBI Gene)
AEMKEA1HBK1HUK1KV1.1MBK1MK1RBK1
Chromosome 12
Chromosome location 12p13.32
Summary This gene encodes a voltage-gated delayed potassium channel that is phylogenetically related to the Drosophila Shaker channel. The encoded protein has six putative transmembrane segments (S1-S6), and the loop between S5 and S6 forms the pore and contains
SNPs SNP information provided by dbSNP.
20
SNP ID Visualize variation Clinical significance Consequence
rs2229000 G>A Conflicting-interpretations-of-pathogenicity Coding sequence variant, missense variant
rs28933381 G>C,T Pathogenic Missense variant, coding sequence variant
rs28933382 C>A,T Pathogenic Missense variant, coding sequence variant
rs28933383 C>A,G,T Pathogenic Missense variant, coding sequence variant
rs104894348 C>A Pathogenic Coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
147
miRTarBase ID miRNA Experiments Reference
MIRT734394 hsa-miR-125b-5p Luciferase reporter assayWestern blotting 32435510
MIRT1080130 hsa-miR-1206 CLIP-seq
MIRT1080131 hsa-miR-1279 CLIP-seq
MIRT1080132 hsa-miR-128 CLIP-seq
MIRT1080133 hsa-miR-1303 CLIP-seq
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
87
GO ID Ontology Definition Evidence Reference
GO:0001508 Process Action potential IBA
GO:0001964 Process Startle response IEA
GO:0005216 Function Monoatomic ion channel activity IEA
GO:0005249 Function Voltage-gated potassium channel activity IDA 19912772
GO:0005249 Function Voltage-gated potassium channel activity IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
176260 6218 ENSG00000111262
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q09470
Protein name Potassium voltage-gated channel subfamily A member 1 (Voltage-gated K(+) channel HuKI) (Voltage-gated potassium channel HBK1) (Voltage-gated potassium channel subunit Kv1.1)
Protein function Voltage-gated potassium channel that mediates transmembrane potassium transport in excitable membranes, primarily in the brain and the central nervous system, but also in the kidney (PubMed:19903818, PubMed:8845167). Contributes to the regulatio
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF02214 BTB_2 39 130 BTB/POZ domain Domain
PF00520 Ion_trans 166 419 Ion transport protein Family
Tissue specificity TISSUE SPECIFICITY: Detected adjacent to nodes of Ranvier in juxtaparanodal zones in spinal cord nerve fibers, but also in paranodal regions in some myelinated spinal cord axons (at protein level) (PubMed:11086297). Detected in the islet of Langerhans (Pu
Sequence
Sequence length 495
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.
762
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Epileptic encephalopathy Likely pathogenic rs1555085798 RCV003484994
Episodic ataxia type 1 Likely pathogenic; Pathogenic rs2137673958, rs1555085786, rs2137673640, rs2137673633, rs2137673584, rs2497353523, rs2497353747, rs2497353297, rs2497353491, rs104894352, rs104894348, rs104894349, rs104894356, rs104894357, rs104894353
View all (12 more)
RCV001859333
RCV001918958
RCV001994622
RCV002267675
RCV002271791
RCV002472214
RCV002791441
RCV003388187
RCV003322699
RCV003325267
RCV000014424
RCV000014425
RCV000014426
RCV000014427
RCV000014428
RCV000014429
RCV000014430
RCV000014431
RCV000014432
RCV000014435
RCV000014436
RCV003515231
RCV003627413
RCV000020219
RCV005099598
RCV001782976
RCV001775128
RCV001857907
RCV002290674
Episodic kinesigenic dyskinesia Likely pathogenic; Pathogenic rs2137673958 RCV001449664
Generalized epilepsy-paroxysmal dyskinesia syndrome Likely pathogenic rs2137673957 RCV001449665
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Adrenocortical carcinoma, hereditary Benign; Likely benign rs79432803, rs147644839 RCV005893103
RCV005893105
Hereditary ataxia Uncertain significance rs778463081 RCV005626172
Hereditary episodic ataxia Uncertain significance; Conflicting classifications of pathogenicity; Likely benign; Benign rs886049500, rs886049506, rs147828649, rs886049514, rs764863360, rs886049515, rs886049516, rs886049518, rs536746031, rs397724146, rs886049525, rs886049531, rs753752185, rs886049499, rs566173456
View all (53 more)
RCV000294867
RCV000400698
RCV000320846
RCV000300419
RCV000361102
RCV000366446
RCV000330227
RCV000390913
RCV000285843
RCV000297864
RCV000399212
RCV000393681
RCV000389305
RCV000343778
RCV000337085
RCV000386649
RCV000331891
RCV000349559
RCV000315994
RCV000355539
RCV000321658
RCV000382816
RCV000337229
RCV000407461
RCV000388826
RCV000284686
RCV000370554
RCV000386581
RCV000351825
RCV000371952
RCV000308858
RCV000404220
RCV000319009
RCV000260786
RCV000269624
RCV000372450
RCV000400187
RCV000330999
RCV000376682
RCV000401328
RCV000264086
RCV000291849
RCV000345331
RCV000294129
RCV000349020
RCV000362077
RCV000305855
RCV000337102
RCV000307567
RCV000297373
RCV000366067
RCV000332298
RCV000334507
RCV000390912
RCV000371321
RCV000278942
RCV000313389
RCV000338924
RCV000390903
RCV000347607
RCV000352430
RCV000330926
RCV000374017
RCV000378517
RCV000266216
RCV000267454
RCV000397363
RCV000366237
RCV000282748
RCV000343851
KCNA1-related disorder Likely benign; Uncertain significance; Benign; Conflicting classifications of pathogenicity rs372832102, rs71582857, rs1356694586, rs2137673220, rs761389490, rs150849316, rs149110871, rs2497351630, rs749598869, rs147828649, rs144351014, rs1292300958, rs1481224137, rs149959487 RCV004550170
RCV004738319
RCV001795575
RCV004552133
RCV004738509
RCV004552972
RCV004737268
RCV004550583
RCV004554263
RCV004549669
RCV004549668
RCV004723608
RCV004547886
RCV004549866
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Adenocarcinoma Associate 22018336
Arthritis Rheumatoid Associate 28767591
Ataxia Associate 23909822, 26395884, 28676720, 35897654, 37280215
Brain Diseases Associate 36793218
Brain Neoplasms Associate 22018336
Carcinogenesis Associate 22018336
Carcinoma Squamous Cell Associate 17013799
Cataplexy Associate 26395884
Cerebellar Ataxia Associate 7762567
Cerebellar Diseases Associate 23349320, 24578548