Incidental Mutation 'IGL03056:Kcnk2'
ID 409241
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: 0.080) question?
Stock # IGL03056
Quality Score
Status
Chromosome 1
Chromosomal Location 188940127-189134470 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 189027908 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Lysine at position 116 (Q116K)
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: Q108K

PolyPhen 2 Score 0.180 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000078416
Gene: ENSMUSG00000037624
AA Change: Q108K

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: Q105K

PolyPhen 2 Score 0.386 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000106545
Gene: ENSMUSG00000037624
AA Change: Q105K

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 probably benign
Transcript: ENSMUST00000192723
AA Change: Q105K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000141849
Gene: ENSMUSG00000037624
AA Change: Q105K

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: Q120K

PolyPhen 2 Score 0.386 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000141891
Gene: ENSMUSG00000037624
AA Change: Q120K

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: Q116K

PolyPhen 2 Score 0.819 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000142176
Gene: ENSMUSG00000037624
AA Change: Q116K

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 possibly damaging
Transcript: ENSMUST00000194402
AA Change: Q116K

PolyPhen 2 Score 0.518 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000142026
Gene: ENSMUSG00000037624
AA Change: Q116K

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: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2m A G 6: 121,647,862 (GRCm39) H1118R probably damaging Het
Aff1 G A 5: 103,958,947 (GRCm39) V339I probably damaging Het
Ank1 G T 8: 23,631,195 (GRCm39) V107F probably damaging Het
Aox3 T C 1: 58,198,180 (GRCm39) probably null Het
Cd160 T C 3: 96,713,127 (GRCm39) T46A probably benign Het
Cimip2a T A 2: 25,111,367 (GRCm39) M232K possibly damaging Het
Col20a1 A T 2: 180,636,682 (GRCm39) Y221F probably damaging Het
Ddx18 C T 1: 121,492,264 (GRCm39) A148T probably benign Het
Dennd5b A G 6: 148,956,570 (GRCm39) M307T probably damaging Het
Fam216b G A 14: 78,320,223 (GRCm39) H86Y probably benign Het
Fh1 A T 1: 175,433,728 (GRCm39) C374S probably damaging Het
Fkbp14 A G 6: 54,556,529 (GRCm39) V207A probably benign Het
Gucy1a1 T C 3: 82,020,594 (GRCm39) K101R probably benign Het
Kdm5b C A 1: 134,515,717 (GRCm39) Q114K probably damaging Het
Kif12 C T 4: 63,085,193 (GRCm39) R516Q probably null Het
Lca5l C T 16: 95,962,551 (GRCm39) C463Y probably benign Het
Lgsn T A 1: 31,242,705 (GRCm39) Y262* probably null Het
Lig4 A G 8: 10,022,580 (GRCm39) I400T possibly damaging Het
Mink1 T A 11: 70,503,409 (GRCm39) probably null Het
Mprip T A 11: 59,662,518 (GRCm39) I2243N probably damaging Het
Myo1f A T 17: 33,804,574 (GRCm39) Y426F probably damaging Het
Naip2 T A 13: 100,298,795 (GRCm39) S414C possibly damaging Het
Nrg1 T C 8: 32,311,451 (GRCm39) I363V possibly damaging Het
Or4f54 A T 2: 111,123,517 (GRCm39) R301S possibly damaging Het
Or52r1b A T 7: 102,690,958 (GRCm39) I86L possibly damaging Het
Serpinb9d T C 13: 33,386,736 (GRCm39) V268A probably damaging Het
Slc15a1 A G 14: 121,728,695 (GRCm39) F17L possibly damaging Het
Slc9a3 T A 13: 74,298,938 (GRCm39) V119E probably damaging Het
Sspo T A 6: 48,447,472 (GRCm39) M2346K probably benign Het
Tcf4 G T 18: 69,784,283 (GRCm39) probably benign Het
Trabd2b T C 4: 114,266,535 (GRCm39) V183A probably damaging Het
Ust T C 10: 8,083,326 (GRCm39) H350R probably benign Het
Zfp952 T A 17: 33,221,740 (GRCm39) V35E 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
IGL02643:Kcnk2 APN 1 188,990,976 (GRCm39) missense possibly damaging 0.63
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 2016-08-02