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Kcnk2 Gene Detail
Summary
  • Symbol
    Kcnk2
  • Name
    potassium channel, subfamily K, member 2
  • Synonyms
    TREK-1
  • Feature Type
    protein coding gene
  • IDs
    MGI:109366
    NCBI Gene: 16526
  • Alliance
  • Transcription Start Sites
    4 TSS
Location &
Maps
more
  • Sequence Map
    Chr1:188940127-189134470 bp, - strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 1, 94.22 cM
  • Mapping Data
    2 experiments
Strain
Comparison
more
  • SNPs within 2kb
    1400 from dbSNP Build 142
  • Strain Annotations
    18
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_109366
protein coding gene Chr1:188940127-189134951 (-)
129S1/SvImJ MGP_129S1SvImJ_G0016927
protein coding gene Chr1:196096634-196305350 (-)
A/J MGP_AJ_G0016906
protein coding gene Chr1:188087565-188288621 (-)
AKR/J MGP_AKRJ_G0016871
protein coding gene Chr1:193609673-193814897 (-)
BALB/cJ MGP_BALBcJ_G0016864
protein coding gene Chr1:188762511-188959723 (-)
C3H/HeJ MGP_C3HHeJ_G0016688
protein coding gene Chr1:194487092-194692685 (-)
C57BL/6NJ MGP_C57BL6NJ_G0017327
protein coding gene Chr1:202380481-202584947 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0015034
protein coding gene Chr1:179028043-179209354 (-)
CAST/EiJ MGP_CASTEiJ_G0016271
protein coding gene Chr1:194051976-194257457 (-)
CBA/J MGP_CBAJ_G0016662
protein coding gene Chr1:209902480-210140803 (-)
DBA/2J MGP_DBA2J_G0016768
protein coding gene Chr1:186829117-187021125 (-)
FVB/NJ MGP_FVBNJ_G0016764
protein coding gene Chr1:184929504-185124391 (-)
LP/J MGP_LPJ_G0016843
protein coding gene Chr1:197278498-197478755 (-)
NOD/ShiLtJ MGP_NODShiLtJ_G0016796
protein coding gene Chr1:216637682-216851774 (-)
NZO/HlLtJ MGP_NZOHlLtJ_G0017364
protein coding gene Chr1:193535037-193741219 (-)
PWK/PhJ MGP_PWKPhJ_G0016058
protein coding gene Chr1:186081016-186285461 (-)
SPRET/EiJ MGP_SPRETEiJ_G0015834
protein coding gene Chr1:192510280-192710068 (-)
WSB/EiJ MGP_WSBEiJ_G0016333
protein coding gene Chr1:193738147-193938871 (-)



Homology
more
  • Human Ortholog
    KCNK2, potassium two pore domain channel subfamily K member 2
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    KCNK2, potassium two pore domain channel subfamily K member 2
  • Synonyms
    hTREK-1c, hTREK-1e, K2p2.1, TPKC1, TREK, TREK1, TREK-1
  • Links
    NCBI Gene ID: 3776
    neXtProt AC: NX_O95069
    UniProt: O95069

  • Chr Location
    1q41; chr1:215005542-215237090 (+)  GRCh38

Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    10 phenotypes from 3 alleles in 3 genetic backgrounds
    1 phenotype from multigenic genotypes
    33 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
Homozygous null mice display increased sensitivity to pharmacologically induced seizures and ischemia.
Gene Ontology
(GO)
Classifications
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  • All GO Annotations
  • GO References
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
non-membrane-bounded organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
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Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000037624 Ensembl Gene Model | MGI Sequence Detail 194344 C57BL/6J ±  kb
    transcript ENSMUST00000193319 Ensembl | MGI Sequence Detail 1548 Not Applicable  
    polypeptide ENSMUSP00000141891 Ensembl | MGI Sequence Detail 426 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 18
      Genomic 1
      cDNA 13
      Primer pair 4

      Microarray probesets 3
    Other
    Accession IDs
    less
    MGD-MRK-38411, MGI:2138348
    References
    more
    • Summaries
      All 87
      Developmental Gene Expression 6
      Gene Ontology 9
      Phenotypes 33
    • Earliest
      J:37545 Fink M, et al., Cloning, functional expression and brain localization of a novel unconventional outward rectifier K+ channel. EMBO J. 1996 Dec 16;15(24):6854-62
    • Latest
      J:326541 Cyagen Biosciences Inc., Cyagen Biosciences Website. 2022;

    Contributing Projects:
    Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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    Funding Information
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    last database update
    03/12/2024
    MGI 6.23
    The Jackson Laboratory