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Gene: KCNA4 (potassium voltage-gated channel subfamily A member 4) Homo sapiens
Symbol: KCNA4
Name: potassium voltage-gated channel subfamily A member 4
Description: Exhibits voltage-gated potassium channel activity. Involved in potassium ion transmembrane transport. Localizes to voltage-gated potassium channel complex.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: cardiac potassium channel; fetal skeletal muscle potassium channel; HBK4; HK1; HPCN2; HUKII; KCNA4L; KCNA8; KV1.4; MCIDDS; PCN2; potassium channel 2; potassium channel, voltage gated shaker related subfamily A, member 4; potassium voltage-gated channel, shaker-related subfamily, member 4; potassium voltage-gated channel, shaker-related subfamily, member 4-like; rapidly inactivating potassium channel; shaker-related potassium channel Kv1.4; type A potassium channel; voltage-gated K(+) channel HuKII; voltage-gated potassium channel HBK4; voltage-gated potassium channel HK1; voltage-gated potassium channel subunit Kv1.4
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh38 Ensembl1130,009,730 - 30,017,030 (-)EnsemblGRCh38hg38GRCh38
GRCh381130,009,730 - 30,017,030 (-)NCBIGRCh38GRCh38hg38GRCh38
GRCh371130,031,288 - 30,038,577 (-)NCBIGRCh37GRCh37hg19GRCh37
Build 361129,988,341 - 29,995,064 (-)NCBINCBI36hg18NCBI36
Build 341129,988,340 - 29,995,064NCBI
Celera1130,177,828 - 30,184,551 (-)NCBI
Cytogenetic Map11p14.1NCBI
HuRef1129,723,661 - 29,730,948 (-)NCBIHuRef
CHM1_11130,030,186 - 30,037,475 (-)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Phenotype Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status


RNA-SEQ Expression


Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
Nomenclature History
More on KCNA4
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

RGD Object Information
RGD ID: 731771
Created: 2004-01-12
Species: Homo sapiens
Last Modified: 2020-03-24
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.