Gene Information
Gene NameKCNJ5
OrganismHomo sapiens (Human)
Gene Length419
Protein NamesG protein-activated inward rectifier potassium channel 4 (GIRK-4) (Cardiac inward rectifier) (CIR) (Heart KATP channel) (Inward rectifier K(+) channel Kir3.4) (IRK-4) (KATP-1) (Potassium channel, inwardly rectifying subfamily J member 5)
Target Nameinward rectifier potassium channel kir3.4
Target TypeClinical trial target
Gene Age987 ( ENSG00000120457 )
Evolutionary StageEuk+Bac
AlphaFoldDBP48544
Gene CardKCNJ5
Uniprot IDP48544
PfamPF01007; PF17655
In ASDno
Allosteric Predictionyes (1.190044417)
Ortholog in AnimalsAlpaca_ KCNJ5 ( ortholog_one2one )
GuineaPig_ KCNJ5 ( ortholog_one2one )
Macaque_ KCNJ5 ( ortholog_one2one )
Mouse_ Kcnj5 ( ortholog_one2one )
Pig_ KCNJ5 ( ortholog_one2one )
Rat_ Kcnj5 ( ortholog_one2one )
Rabbit_ KCNJ5 ( ortholog_one2one )
OhnologsKCNJ6, KCNJ4, KCNJ14, KCNJ12, KCNJ9
ParalogsKCNJ6, KCNJ9, KCNJ3, KCNJ14, KCNJ18, KCNJ4, KCNJ16, KCNJ12, KCNJ2, KCNJ11, KCNJ15, KCNJ10, KCNJ13, KCNJ8, KCNJ1
Tissueadrenal.gland, vas.deferens, spleen
Tissue SpecificityIslets, exocrine pancreas and heart. Expressed in the adrenal cortex, particularly the zona glomerulosa. {ECO:0000269|PubMed:21311022}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs560269341  rs587777437  rs386352319  rs587777438  rs387906778  rs386352318  rs138295501  rs759363415  rs7102584  rs199830292 
Subcellular location [CC]Membrane {ECO:0000269|PubMed:22315453, ECO:0000269|PubMed:24037882};
Multi-pass membrane protein {ECO:0000255}.
Mouse PG classificationNA
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