Incidental Mutation 'IGL02643:Kcnk2'
ID 301835
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Kcnk2
Ensembl Gene ENSMUSG00000037624
Gene Name potassium channel, subfamily K, member 2
Synonyms TREK-1
Accession Numbers
Essential gene? Probably non essential (E-score: 0.102) question?
Stock # IGL02643
Quality Score
Status
Chromosome 1
Chromosomal Location 188940127-189134470 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 188990976 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Leucine at position 195 (I195L)
Ref Sequence ENSEMBL: ENSMUSP00000142176 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000079451] [ENSMUST00000110920] [ENSMUST00000180044] [ENSMUST00000192723] [ENSMUST00000193319] [ENSMUST00000194172] [ENSMUST00000194402]
AlphaFold P97438
Predicted Effect probably benign
Transcript: ENSMUST00000079451
AA Change: I187L

PolyPhen 2 Score 0.020 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000078416
Gene: ENSMUSG00000037624
AA Change: I187L

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 benign
Transcript: ENSMUST00000110920
AA Change: I184L

PolyPhen 2 Score 0.389 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000106545
Gene: ENSMUSG00000037624
AA Change: I184L

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 benign
Transcript: ENSMUST00000180044
SMART Domains Protein: ENSMUSP00000136513
Gene: ENSMUSG00000037624

DomainStartEndE-ValueType
Pfam:Ion_trans_2 102 183 2.4e-21 PFAM
Pfam:Ion_trans_2 211 298 3.7e-21 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000192723
AA Change: I184L

PolyPhen 2 Score 0.624 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000141849
Gene: ENSMUSG00000037624
AA Change: I184L

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 benign
Transcript: ENSMUST00000193319
AA Change: I199L

PolyPhen 2 Score 0.004 (Sensitivity: 0.98; Specificity: 0.59)
SMART Domains Protein: ENSMUSP00000141891
Gene: ENSMUSG00000037624
AA Change: I199L

DomainStartEndE-ValueType
Pfam:Ion_trans_2 117 198 2.5e-21 PFAM
Pfam:Ion_trans_2 226 313 3.7e-21 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000194172
AA Change: I195L

PolyPhen 2 Score 0.635 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000142176
Gene: ENSMUSG00000037624
AA Change: I195L

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 probably benign
Transcript: ENSMUST00000194402
AA Change: I195L

PolyPhen 2 Score 0.004 (Sensitivity: 0.98; Specificity: 0.59)
SMART Domains Protein: ENSMUSP00000142026
Gene: ENSMUSG00000037624
AA Change: I195L

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
Coding Region Coverage
Validation Efficiency
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: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acad10 T G 5: 121,769,633 (GRCm39) M608L probably benign Het
Adamts2 A T 11: 50,679,527 (GRCm39) M836L probably benign Het
Ankrd11 A T 8: 123,619,061 (GRCm39) M1597K probably damaging Het
Arhgef17 A T 7: 100,533,089 (GRCm39) F1145L possibly damaging Het
Atp13a3 A T 16: 30,152,614 (GRCm39) W32R probably null Het
Atp2a3 C A 11: 72,866,165 (GRCm39) H262N probably benign Het
Bod1l T A 5: 41,976,148 (GRCm39) E1722V possibly damaging Het
Ceacam16 A G 7: 19,595,086 (GRCm39) probably benign Het
Col14a1 T A 15: 55,284,258 (GRCm39) Y840N unknown Het
Dlg5 A G 14: 24,241,250 (GRCm39) C132R probably damaging Het
Dock4 T A 12: 40,718,429 (GRCm39) N242K probably damaging Het
Dsg3 G A 18: 20,662,012 (GRCm39) V426I probably benign Het
Dync1h1 T C 12: 110,625,706 (GRCm39) probably benign Het
Flvcr2 T A 12: 85,842,997 (GRCm39) M357K possibly damaging Het
Gapvd1 A G 2: 34,594,192 (GRCm39) S932P probably damaging Het
Gata4 T A 14: 63,442,204 (GRCm39) D205V possibly damaging Het
Krt1 T C 15: 101,755,479 (GRCm39) I427V probably benign Het
Mapk1ip1l T A 14: 47,548,339 (GRCm39) H162Q possibly damaging Het
Micu1 A G 10: 59,675,558 (GRCm39) D380G probably damaging Het
Mknk2 A C 10: 80,504,435 (GRCm39) L289R probably damaging Het
Mtcl2 A G 2: 156,882,663 (GRCm39) V463A probably damaging Het
Myo18a A T 11: 77,668,998 (GRCm39) N286I possibly damaging Het
Or5ae2 A T 7: 84,506,239 (GRCm39) I221F probably damaging Het
Pdp1 C T 4: 11,962,062 (GRCm39) R83H probably benign Het
Ptafr A C 4: 132,307,437 (GRCm39) I276L probably benign Het
Rab3gap2 A T 1: 184,999,197 (GRCm39) D968V possibly damaging Het
Rplp1rt T C 19: 12,824,300 (GRCm39) noncoding transcript Het
Samd8 T A 14: 21,843,212 (GRCm39) M447K probably damaging Het
Six5 G T 7: 18,831,455 (GRCm39) V649L probably benign Het
Slc1a2 T A 2: 102,570,225 (GRCm39) F168I probably benign Het
Slc1a7 G A 4: 107,869,497 (GRCm39) V521M possibly damaging Het
Sorbs1 T C 19: 40,353,577 (GRCm39) D206G possibly damaging Het
Stim2 T C 5: 54,267,955 (GRCm39) V417A probably damaging Het
Tbx20 A G 9: 24,685,009 (GRCm39) probably benign Het
Tia1 A G 6: 86,393,372 (GRCm39) I71V probably benign Het
Ttc7 T C 17: 87,648,327 (GRCm39) S509P possibly damaging Het
Ttpal A G 2: 163,449,140 (GRCm39) probably benign Het
Tubgcp2 A T 7: 139,576,067 (GRCm39) N865K probably damaging Het
Wdr45 G T X: 7,593,288 (GRCm39) E62* probably null Het
Zfp507 A G 7: 35,494,656 (GRCm39) F129S probably damaging Het
Zfp518b T A 5: 38,831,498 (GRCm39) H169L probably damaging 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
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
R0569:Kcnk2 UTSW 1 189,071,998 (GRCm39) missense probably damaging 1.00
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
Posted On 2015-04-16