KCNK7

Protein-coding gene in the species Homo sapiens

KCNK7

Identifiers

Aliases

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

External IDs

OMIM: 603940 MGI: 1341841 HomoloGene: 43131 GeneCards: KCNK7

Gene location (Human)

Chr.	Chromosome 11 (human)^[1]

Band	11q13.1	Start	65,592,836 bp^[1]
Band	11q13.1	End	65,595,996 bp^[1]

Gene location (Mouse)

Chr.	Chromosome 19 (mouse)^[2]

Band	19\|19 A	Start	5,754,395 bp^[2]
Band	19\|19 A	End	5,757,137 bp^[2]

RNA expression pattern

Bgee

Human

Mouse (ortholog)

Top expressed in

skin of abdomen

human penis

nipple

vulva

vagina

cerebellar hemisphere

blood

gastric mucosa

left uterine tube

prefrontal cortex

Top expressed in

esophagus

ganglion cell layer

hair follicle

skin of back

inner nuclear layer

skeletal muscle tissue

stomach

spermatid

cervix

More reference expression data

BioGPS

n/a

Gene ontology
Molecular function	potassium channel activity voltage-gated ion channel activity potassium ion leak channel activity
Cellular component	integral component of membrane plasma membrane membrane integral component of plasma membrane
Biological process	potassium ion transport regulation of ion transmembrane transport ion transport stabilization of membrane potential potassium ion transmembrane 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 NP_203133 NP_203134 NP_258416


NP_034739

Location (UCSC)

Chr 11: 65.59 – 65.6 Mb

Chr 19: 5.75 – 5.76 Mb

PubMed search

^[3]

^[4]

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 is encoded in humans by the KCNK7 gene. K_2P7.1 is a potassium channel containing two pore-forming P domains.^[5]^[6]^[7] Multiple transcript variants encoding different isoforms have been found for this gene.^[8]

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.^[8]

References

^ ^a ^b ^c GRCh38: Ensembl release 89: ENSG00000173338 – Ensembl, May 2017
^ ^a ^b ^c GRCm38: Ensembl release 89: ENSMUSG00000024936 – Ensembl, May 2017
^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^ 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. S2CID 9682396.
^ 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. S2CID 7356601.
^ ^a ^b "Entrez Gene: potassium channel".

External links

KCNK7+protein,+human at the U.S. 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