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inwardly rectifying potassium channels
URI:
https://gptkb.org/entity/inwardly_rectifying_potassium_channels
GPTKB entity
Statements (50)
Predicate
Object
gptkbp:instanceOf
gptkb:protein
ion channel
gptkbp:abbreviation
gptkb:Kir_channels
gptkbp:alternativeName
gptkb:IRK_channels
gptkb:Kir_channels
gptkbp:discoveredBy
gptkb:Bertil_Hille
gptkbp:encodedBy
gptkb:KCNJ_genes
gptkbp:firstDescribed
1949
gptkbp:foundIn
gptkb:cell_membrane
gptkbp:function
allow potassium ions to flow into cells
regulate membrane potential
https://www.w3.org/2000/01/rdf-schema#label
inwardly rectifying potassium channels
gptkbp:importantFor
cardiac muscle
neurons
pancreatic beta cells
gptkbp:inhibitedBy
barium ions
cesium ions
gptkbp:mechanismOfAction
block by Mg2+
block by polyamines
voltage-dependent block by intracellular cations
gptkbp:modulatedBy
gptkb:ATP
gptkb:G-proteins
gptkb:phosphatidylinositol_4,5-bisphosphate_(PIP2)
gptkbp:mutationAssociatedWith
gptkb:Andersen-Tawil_syndrome
gptkb:Bartter_syndrome
gptkb:congenital_hyperinsulinism
long QT syndrome
gptkbp:permeableTo
selective for K+
gptkbp:presentIn
gptkb:Bacteria
animals
plants
eukaryotes
gptkbp:proteinFamily
gptkb:KCNJ
gptkbp:role
insulin secretion
resting membrane potential
action potential repolarization
heart rate regulation
gptkbp:structure
tetrameric
gptkbp:subclassOf
gptkb:potassium_channels
gptkbp:subspecies
gptkb:Kir2.x
gptkb:Kir1.x
gptkb:Kir3.x
gptkb:Kir4.x
gptkb:Kir5.x
gptkb:Kir6.x
gptkb:Kir7.x
gptkbp:transportDirection
inward
outward (limited)
gptkbp:bfsParent
gptkb:HGNC:6407
gptkbp:bfsLayer
6