Incidental Mutation 'R0569:Kcnk2'
ID 46281
Institutional Source Beutler Lab
Gene Symbol Kcnk2
Ensembl Gene ENSMUSG00000037624
Gene Name potassium channel, subfamily K, member 2
Synonyms TREK-1
MMRRC Submission 038760-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.102) question?
Stock # R0569 (G1)
Quality Score 194
Status Validated
Chromosome 1
Chromosomal Location 188940127-189134470 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 189071998 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Arginine at position 110 (L110R)
Ref Sequence ENSEMBL: ENSMUSP00000142026 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000079451] [ENSMUST00000110920] [ENSMUST00000180044] [ENSMUST00000192723] [ENSMUST00000193319] [ENSMUST00000194402] [ENSMUST00000194172]
AlphaFold P97438
Predicted Effect probably damaging
Transcript: ENSMUST00000079451
AA Change: L102R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000078416
Gene: ENSMUSG00000037624
AA Change: L102R

DomainStartEndE-ValueType
Pfam:Ion_trans_2 117 197 2e-20 PFAM
low complexity region 221 230 N/A INTRINSIC
Pfam:Ion_trans_2 233 313 6.8e-22 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000110920
AA Change: L99R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000106545
Gene: ENSMUSG00000037624
AA Change: L99R

DomainStartEndE-ValueType
Pfam:Ion_trans_2 102 183 2.4e-21 PFAM
Pfam:Ion_trans_2 211 298 3.7e-21 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000180044
AA Change: L110R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000136513
Gene: ENSMUSG00000037624
AA Change: L110R

DomainStartEndE-ValueType
Pfam:Ion_trans_2 102 183 2.4e-21 PFAM
Pfam:Ion_trans_2 211 298 3.7e-21 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000191809
Predicted Effect probably damaging
Transcript: ENSMUST00000192723
AA Change: L99R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000141849
Gene: ENSMUSG00000037624
AA Change: L99R

DomainStartEndE-ValueType
Pfam:Ion_trans_2 102 183 2.4e-21 PFAM
Pfam:Ion_trans_2 211 298 3.7e-21 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000192797
Predicted Effect probably damaging
Transcript: ENSMUST00000193319
AA Change: L114R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000141891
Gene: ENSMUSG00000037624
AA Change: L114R

DomainStartEndE-ValueType
Pfam:Ion_trans_2 117 198 2.5e-21 PFAM
Pfam:Ion_trans_2 226 313 3.7e-21 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000194402
AA Change: L110R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000142026
Gene: ENSMUSG00000037624
AA Change: L110R

DomainStartEndE-ValueType
transmembrane domain 57 76 N/A INTRINSIC
Pfam:Ion_trans_2 113 194 1.4e-19 PFAM
Pfam:Ion_trans_2 222 309 2.2e-19 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000194172
AA Change: L110R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000142176
Gene: ENSMUSG00000037624
AA Change: L110R

DomainStartEndE-ValueType
transmembrane domain 57 76 N/A INTRINSIC
Pfam:Ion_trans_2 113 194 5e-20 PFAM
low complexity region 216 231 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000195016
Meta Mutation Damage Score 0.8005 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.7%
  • 20x: 93.8%
Validation Efficiency 97% (56/58)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes one of the members of the two-pore-domain background potassium channel protein family. This type of potassium channel is formed by two homodimers that create a channel that leaks potassium out of the cell to control resting membrane potential. The channel can be opened, however, by certain anesthetics, membrane stretching, intracellular acidosis, and heat. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null mice display increased sensitivity to pharmacologically induced seizures and ischemia. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4833420G17Rik A G 13: 119,621,016 (GRCm39) I572M possibly damaging Het
4930447A16Rik T C 15: 37,425,863 (GRCm39) M1T probably null Het
4930590J08Rik C A 6: 91,919,559 (GRCm39) C739* probably null Het
Adcy1 T A 11: 7,096,514 (GRCm39) V634E probably benign Het
Ankfy1 T A 11: 72,644,434 (GRCm39) H710Q possibly damaging Het
Ankrd60 C T 2: 173,412,859 (GRCm39) V90M probably damaging Het
Asgr2 A T 11: 69,988,703 (GRCm39) Q132L probably benign Het
Cchcr1 T A 17: 35,839,865 (GRCm39) probably null Het
Ces1h T C 8: 94,078,774 (GRCm39) K523E unknown Het
Clec3a G T 8: 115,152,476 (GRCm39) G161C probably damaging Het
Cracr2b G A 7: 141,044,848 (GRCm39) probably benign Het
Cyp2b10 A T 7: 25,597,160 (GRCm39) L17F probably damaging Het
Dhx29 T A 13: 113,084,748 (GRCm39) N655K probably benign Het
Dst C A 1: 34,332,508 (GRCm39) L4748I probably damaging Het
Eif2b5 G C 16: 20,321,303 (GRCm39) L285F probably benign Het
Enox1 T A 14: 77,875,117 (GRCm39) D441E probably damaging Het
Fam110a T C 2: 151,812,404 (GRCm39) E122G probably damaging Het
Fam161b T A 12: 84,395,413 (GRCm39) E510V probably damaging Het
Gabrd T C 4: 155,469,880 (GRCm39) Y443C probably damaging Het
Gcn1 T G 5: 115,733,118 (GRCm39) S1052A probably benign Het
Gnptab A G 10: 88,264,419 (GRCm39) E279G possibly damaging Het
Hoxa6 T A 6: 52,185,163 (GRCm39) probably null Het
Ibtk T A 9: 85,590,234 (GRCm39) probably benign Het
Il6ra A T 3: 89,785,149 (GRCm39) probably null Het
Iqgap3 C T 3: 87,998,032 (GRCm39) probably benign Het
Knl1 T A 2: 118,927,916 (GRCm39) V1919D possibly damaging Het
Lrp1b A T 2: 40,779,251 (GRCm39) L2597Q probably benign Het
Magi3 A G 3: 103,923,358 (GRCm39) S1120P probably benign Het
Map3k8 T C 18: 4,349,162 (GRCm39) D52G probably benign Het
Mcat C T 15: 83,433,449 (GRCm39) R198H probably benign Het
Mnd1 A G 3: 84,012,286 (GRCm39) V141A probably benign Het
Morc1 T C 16: 48,407,485 (GRCm39) L667P probably benign Het
Mrps6 A G 16: 91,908,808 (GRCm39) K125E possibly damaging Het
Mst1 T C 9: 107,959,500 (GRCm39) F262S probably damaging Het
Or5j3 T G 2: 86,128,941 (GRCm39) I260M probably damaging Het
Or7e178 T A 9: 20,225,875 (GRCm39) I114F probably damaging Het
Pbsn C G X: 76,897,046 (GRCm39) G15A possibly damaging Het
Pcnx1 T C 12: 82,038,804 (GRCm39) I2023T probably benign Het
Pds5a T G 5: 65,813,744 (GRCm39) N247T probably damaging Het
Peak1 T C 9: 56,167,373 (GRCm39) Y185C probably damaging Het
Phkb T A 8: 86,744,031 (GRCm39) I560N probably damaging Het
Plekhn1 T C 4: 156,309,658 (GRCm39) I160V probably damaging Het
Rabgap1 T G 2: 37,379,729 (GRCm39) probably benign Het
Rdh10 T G 1: 16,199,517 (GRCm39) V241G probably damaging Het
Selenow A T 7: 15,654,042 (GRCm39) C37S probably benign Het
Sema6a A T 18: 47,403,872 (GRCm39) probably null Het
Slc12a3 T C 8: 95,057,153 (GRCm39) probably null Het
Slc22a21 T G 11: 53,842,636 (GRCm39) M498L probably benign Het
Spink5 A T 18: 44,122,486 (GRCm39) N317I probably damaging Het
Srek1 A G 13: 103,885,370 (GRCm39) probably benign Het
Syt11 A G 3: 88,655,230 (GRCm39) V357A probably benign Het
Tcof1 T A 18: 60,962,107 (GRCm39) K707N possibly damaging Het
Tfip11 C T 5: 112,475,960 (GRCm39) R42C probably damaging Het
Trim39 T C 17: 36,574,623 (GRCm39) K260E probably benign Het
Ttn T C 2: 76,553,663 (GRCm39) T22658A possibly damaging Het
Unc45b C T 11: 82,827,638 (GRCm39) probably benign Het
Vmn1r236 A G 17: 21,507,172 (GRCm39) I97V probably benign Het
Vps13c T C 9: 67,881,001 (GRCm39) V657A probably damaging Het
Zkscan2 A G 7: 123,097,898 (GRCm39) V166A probably benign Het
Other mutations in Kcnk2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00955:Kcnk2 APN 1 188,975,211 (GRCm39) missense probably damaging 0.96
IGL01100:Kcnk2 APN 1 189,072,133 (GRCm39) missense probably damaging 1.00
IGL01872:Kcnk2 APN 1 188,988,780 (GRCm39) missense probably damaging 1.00
IGL01929:Kcnk2 APN 1 189,072,227 (GRCm39) missense probably damaging 1.00
IGL02643:Kcnk2 APN 1 188,990,976 (GRCm39) missense possibly damaging 0.63
IGL03056:Kcnk2 APN 1 189,027,908 (GRCm39) missense possibly damaging 0.82
IGL03340:Kcnk2 APN 1 189,027,878 (GRCm39) missense possibly damaging 0.51
R0041:Kcnk2 UTSW 1 189,027,888 (GRCm39) missense probably benign 0.44
R0041:Kcnk2 UTSW 1 189,027,888 (GRCm39) missense probably benign 0.44
R0279:Kcnk2 UTSW 1 188,942,169 (GRCm39) missense possibly damaging 0.58
R0645:Kcnk2 UTSW 1 188,988,927 (GRCm39) splice site probably null
R1070:Kcnk2 UTSW 1 188,988,960 (GRCm39) splice site probably benign
R1449:Kcnk2 UTSW 1 189,072,223 (GRCm39) missense probably benign 0.31
R2401:Kcnk2 UTSW 1 189,072,214 (GRCm39) missense possibly damaging 0.64
R4418:Kcnk2 UTSW 1 188,988,924 (GRCm39) missense probably damaging 1.00
R4923:Kcnk2 UTSW 1 189,072,133 (GRCm39) missense probably damaging 1.00
R5782:Kcnk2 UTSW 1 188,988,776 (GRCm39) missense probably damaging 1.00
R5845:Kcnk2 UTSW 1 189,009,918 (GRCm39) intron probably benign
R6140:Kcnk2 UTSW 1 188,942,104 (GRCm39) missense probably damaging 0.97
R6240:Kcnk2 UTSW 1 188,975,179 (GRCm39) missense probably damaging 1.00
R6881:Kcnk2 UTSW 1 188,942,187 (GRCm39) missense probably benign 0.00
R7990:Kcnk2 UTSW 1 188,942,102 (GRCm39) missense probably damaging 0.99
R8046:Kcnk2 UTSW 1 188,990,933 (GRCm39) critical splice donor site probably null
R8322:Kcnk2 UTSW 1 189,072,046 (GRCm39) missense probably benign 0.00
R9099:Kcnk2 UTSW 1 188,991,072 (GRCm39) missense probably damaging 1.00
R9482:Kcnk2 UTSW 1 188,988,891 (GRCm39) frame shift probably null
R9484:Kcnk2 UTSW 1 188,988,891 (GRCm39) frame shift probably null
R9576:Kcnk2 UTSW 1 188,988,891 (GRCm39) frame shift probably null
R9577:Kcnk2 UTSW 1 188,988,891 (GRCm39) frame shift probably null
R9578:Kcnk2 UTSW 1 188,988,891 (GRCm39) frame shift probably null
Predicted Primers PCR Primer
(F):5'- GCTGCTTTCTCAGACCAATGCACTC -3'
(R):5'- AAAACCCACCGTGCTTGCTTCC -3'

Sequencing Primer
(F):5'- GTAAGCCCCCGTCAGTTCTAAG -3'
(R):5'- GTGGAGAGTGACTCGGC -3'
Posted On 2013-06-11