Gene description for KCNJ2
Gene name	potassium channel, inwardly rectifying subfamily J, member 2
Gene symbol	KCNJ2
Other names/aliases	ATFB9 HHBIRK1 HHIRK1 IRK1 KIR2.1 LQT7 SQT3
Species	Homo sapiens
Database cross references - KCNJ2
ExoCarta	ExoCarta_3759
Entrez Gene	3759
HGNC	6263
MIM	600681
UniProt	P63252
KCNJ2 identified in exosomes derived from the following tissue/cell type
Hepatocellular carcinoma cells	26054723
Hepatocytes	26054723

Gene ontology annotations for KCNJ2

Molecular Function     phosphatidylinositol-4,5-bisphosphate binding GO:0005546 IDA     inward rectifier potassium channel activity GO:0005242 IDA     identical protein binding GO:0042802 IEA     voltage-gated potassium channel activity involved in cardiac muscle cell action potential repolarization GO:0086008 IMP Biological Process     regulation of membrane repolarization GO:0060306 IDA     cellular response to mechanical stimulus GO:0071260 IEA     positive regulation of potassium ion transmembrane transport GO:1901381 IEA     magnesium ion transport GO:0015693 IEA     cellular potassium ion homeostasis GO:0030007 TAS     cardiac muscle cell action potential involved in contraction GO:0086002 IMP     protein homotetramerization GO:0051289 IDA     membrane repolarization during action potential GO:0086011 IMP     regulation of skeletal muscle contraction via regulation of action potential GO:0014861 IMP     relaxation of cardiac muscle GO:0055119 IMP     membrane repolarization during cardiac muscle cell action potential GO:0086013 TAS     membrane depolarization during cardiac muscle cell action potential GO:0086012 TAS     synaptic transmission GO:0007268 TAS     potassium ion import GO:0010107 IDA     potassium ion transport GO:0006813 IDA     relaxation of skeletal muscle GO:0090076 IMP     potassium ion transmembrane transport GO:0071805 IDA     regulation of heart rate by cardiac conduction GO:0086091 IMP     regulation of resting membrane potential GO:0060075 TAS Subcellular Localization     smooth endoplasmic reticulum GO:0005790 IEA     intercalated disc GO:0014704 IEA     Golgi apparatus GO:0005794 IEA     voltage-gated potassium channel complex GO:0008076 IDA     neuronal cell body GO:0043025 IEA     dendritic spine GO:0043197 IEA     T-tubule GO:0030315 IEA     plasma membrane GO:0005886 TAS     integral component of plasma membrane GO:0005887 TAS     intrinsic component of membrane GO:0031224 IDA     rough endoplasmic reticulum GO:0005791 IEA