KCNK7

Identifiers

KCNK7, K2p7.1, TWIK3, potassium two pore domain channel subfamily K member 7

External IDs

MGI: 1341841 HomoloGene: 43131 GeneCards: KCNK7

Gene ontology
Molecular function	• potassium ion leak channel activity • potassium channel activity • voltage-gated ion channel activity
Cellular component	• integral component of membrane • plasma membrane • integral component of plasma membrane • membrane
Biological process	• potassium ion transport • regulation of ion transmembrane transport • stabilization of membrane potential • ion transport • potassium ion transmembrane transport • transport
Sources:Amigo / QuickGO

Orthologs

Species

Human

Mouse

Entrez


10089


16530

Ensembl


ENSG00000173338


ENSMUSG00000024936

UniProt


Q9Y2U2


Q9Z2T1

RefSeq (mRNA)


NM_033456 NM_005714 NM_033347 NM_033348 NM_033455


NM_001004138 NM_010609

RefSeq (protein)


NP_005705.1 NP_203133.1 NP_203134.1 NP_258416.1


NP_034739.2

Location (UCSC)

Chr 11: 65.59 – 65.6 Mb

Chr 19: 5.7 – 5.71 Mb

PubMed search

^[1]

^[2]

Wikidata

View/Edit Human

View/Edit Mouse

Potassium channel, subfamily K, member 7, also known as KCNK7 or K_2P7.1 is a protein which in humans is encoded by the KCNK7 gene. K_2P7.1 is a potassium channel containing two pore-forming P domains.^[3]^[4]^[5] Multiple transcript variants encoding different isoforms have been found for this gene.^[6]

Function

This gene encodes a member of the superfamily of potassium channel proteins containing two pore-forming P domains. The product of this gene has not been shown to be a functional channel; It may require other non-pore-forming proteins for activity.^[6]

References

↑ "Human PubMed Reference:".
↑ "Mouse PubMed Reference:".
↑ Salinas M, Reyes R, Lesage F, Fosset M, Heurteaux C, Romey G, Lazdunski M (April 1999). "Cloning of a new mouse two-P domain channel subunit and a human homologue with a unique pore structure". J. Biol. Chem. 274 (17): 11751–60. doi:10.1074/jbc.274.17.11751. PMID 10206991.
↑ Goldstein SA, Bockenhauer D, O'Kelly I, Zilberberg N (March 2001). "Potassium leak channels and the KCNK family of two-P-domain subunits". Nat. Rev. Neurosci. 2 (3): 175–84. doi:10.1038/35058574. PMID 11256078.
↑ Goldstein SA, Bayliss DA, Kim D, Lesage F, Plant LD, Rajan S (December 2005). "International Union of Pharmacology. LV. Nomenclature and molecular relationships of two-P potassium channels". Pharmacol. Rev. 57 (4): 527–40. doi:10.1124/pr.57.4.12. PMID 16382106.
1 2 "Entrez Gene: potassium channel".

External links

KCNK7 protein, human at the US National Library of Medicine Medical Subject Headings (MeSH)
KCNK7 human gene location in the UCSC Genome Browser.
KCNK7 human gene details in the UCSC Genome Browser.

Membrane transport protein: ion channels (TC 1A)

Ca²⁺: Calcium channel

Ligand-gated	Inositol trisphosphate receptor 1 2 3 Ryanodine receptor 1 2 3

Voltage-gated	L-type/Ca_vα 1.1 1.2 1.3 1.4 N-type/Ca_vα2.2 P-type/Ca_vα 2.1 Q-type/Ca_vα2.1 R-type/Ca_vα2.3 T-type/Ca_vα 3.1 3.2 3.3 α₂δ-subunits 1 2 β-subunits β1 β2 β3 β4 γ-subunits γ1 γ2 γ3 γ4 Cation channels of sperm 1 2 3 4 Two-pore channel 1 2

Na⁺: Sodium channel

Constitutively active	Epithelial sodium channel α β γ δ

Proton-gated	Amiloride-sensitive cation channel 1 2 3 4

Voltage-gated	Na_vα 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 7A Na_vβ 1 2 3 4

K⁺: Potassium channel

Calcium-activated	BK channel α1 β1 β2 β3 β4 SK channel SK1 SK2 SK3 IK channel IK1 K_Ca 1.1 2.1 2.2 2.3 3.1 4.1 4.2 5.1

Inward-rectifier	K_ATP K_ir 1.1 2.1 2.2 2.3 2.4 2.6 GIRK/K_ir 3.1 3.2 3.3 3.4 K_ir 4.1 4.2 5.1 6.1 6.2 7.1

Tandem pore domain	K2P 1 2 3 4 5 6 7 9 10 12 13 15 16 17 18

Voltage-gated	K_vα1-6 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 2.1 2.2 3.1 3.2 3.3 3.4 4.1 4.2 4.3 5.1 6.1 6.2 6.3 6.4 K_vα7-12 7.1 7.2 7.3 7.4 7.5 8.1 8.2 9.1 9.2 9.3 10.1 10.2 11.1/hERG 11.2 11.3 12.1 12.2 12.3 K_vβ 1 2 3 KCNIP 1 2 3 4 minK/ISK minK/ISK-like MiRP 1 2 3 Shaker gene

Miscellaneous

Cl⁻: Chloride channel	Calcium-activated chloride channels Anoctamin ANO1 Bestrophin 1 2 Chloride Channel Accessory 1 2 3 4 CFTR CLCN 1 2 3 4 5 6 7 KA KB CLIC 1 2 3 4 5 6 L1 CLNS 1A 1B

H⁺: Proton channel	HVCN1

M⁺: CNG cation channel	α 1 2 3 4 β 1 2 3 HCN FC 1 2 3 4

M⁺: TRP cation channel	TRPA (1) TRPC 1 2 3 4 4AP 5 6 7 TRPM 1 2 3 4 5 6 7 8 TRPML 1 2 3 TRPN TRPP 1 2 TRPV 1 2 3 4 5 6

H₂O (+ solutes): Porin	Aquaporin 0 1 2 3 4 5 6 7 8 9 Voltage-dependent anion channel 1 2 3 General bacterial porin family

Cytoplasm: Gap junction	Connexin: A GJA1 GJA3 GJA4 GJA5 GJA8 GJA9 GJA10 B GJB1 GJB2 GJB3 GJB4 GJB5 GJB6 GJB7 C GJC1 GJC2 GJC3 D GJD2 GJD3 GJD4) Innexin

By gating mechanism

Ion channel class	Ligand-gated Light-gated Voltage-gated Stretch-activated

see also disorders

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KCNK7

Function

See also

References

Further reading

External links