Incidental Mutation 'IGL01872:Kcnk2'
ID 178740
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 # IGL01872
Quality Score
Status
Chromosome 1
Chromosomal Location 188940127-189134470 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 188988780 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Arginine at position 266 (G266R)
Ref Sequence ENSEMBL: ENSMUSP00000142026 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000079451] [ENSMUST00000110920] [ENSMUST00000180044] [ENSMUST00000192723] [ENSMUST00000193319] [ENSMUST00000194172] [ENSMUST00000194402]
AlphaFold P97438
Predicted Effect probably damaging
Transcript: ENSMUST00000079451
AA Change: G258R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000078416
Gene: ENSMUSG00000037624
AA Change: G258R

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: G255R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000106545
Gene: ENSMUSG00000037624
AA Change: G255R

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 damaging
Transcript: ENSMUST00000192723
AA Change: G255R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000141849
Gene: ENSMUSG00000037624
AA Change: G255R

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: ENSMUST00000193319
AA Change: G270R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000141891
Gene: ENSMUSG00000037624
AA Change: G270R

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 benign
Transcript: ENSMUST00000194172
SMART Domains Protein: ENSMUSP00000142176
Gene: ENSMUSG00000037624

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 damaging
Transcript: ENSMUST00000194402
AA Change: G266R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000142026
Gene: ENSMUSG00000037624
AA Change: G266R

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: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2010315B03Rik A T 9: 124,058,120 (GRCm39) probably benign Het
Alpk2 A G 18: 65,437,824 (GRCm39) S1657P probably benign Het
Alx4 A G 2: 93,507,818 (GRCm39) N371S probably benign Het
Cby1 T A 15: 79,549,943 (GRCm39) W59R probably damaging Het
Chmp1a A T 8: 123,932,976 (GRCm39) L159Q probably damaging Het
Ciz1 T C 2: 32,268,121 (GRCm39) probably benign Het
Cnksr1 A G 4: 133,956,275 (GRCm39) I603T probably benign Het
Dph1 A C 11: 75,072,167 (GRCm39) F220C probably damaging Het
Epha4 T A 1: 77,359,676 (GRCm39) M726L probably benign Het
Eps8l1 C T 7: 4,475,295 (GRCm39) probably benign Het
Fbxo24 C A 5: 137,611,987 (GRCm39) R313L probably damaging Het
Fgf4 C T 7: 144,415,995 (GRCm39) R119* probably null Het
Grb10 T C 11: 11,920,547 (GRCm39) T24A probably damaging Het
Ifi27l2a C T 12: 103,401,719 (GRCm39) A2V probably damaging Het
Ipmk T A 10: 71,208,706 (GRCm39) M165K probably damaging Het
Mak A C 13: 41,210,131 (GRCm39) M35R probably damaging Het
Mlxipl A T 5: 135,142,545 (GRCm39) I120F probably damaging Het
Nav1 A G 1: 135,381,814 (GRCm39) V1423A probably damaging Het
Olfm4 T C 14: 80,259,368 (GRCm39) *506Q probably null Het
Opn4 T A 14: 34,319,166 (GRCm39) probably benign Het
Or13a26 T C 7: 140,284,176 (GRCm39) L4P possibly damaging Het
Or52ab2 T C 7: 102,970,179 (GRCm39) V187A probably benign Het
Or5g23 T A 2: 85,438,673 (GRCm39) M194L probably benign Het
Otof G A 5: 30,536,598 (GRCm39) probably benign Het
Pde5a G A 3: 122,588,018 (GRCm39) probably null Het
Pik3r1 A T 13: 101,825,625 (GRCm39) D87E probably benign Het
Rbm6 A T 9: 107,660,914 (GRCm39) V883E probably damaging Het
Rptn A G 3: 93,304,154 (GRCm39) S496G probably benign Het
Sap130 A G 18: 31,807,473 (GRCm39) R427G probably damaging Het
Slc26a4 T C 12: 31,589,202 (GRCm39) S415G probably benign Het
Slc5a1 T C 5: 33,311,981 (GRCm39) S458P probably damaging Het
Smg1 A G 7: 117,748,167 (GRCm39) probably benign Het
Sspo G T 6: 48,431,623 (GRCm39) V639L probably damaging Het
Ttn A G 2: 76,729,077 (GRCm39) probably benign Het
Vmn2r129 C T 4: 156,690,549 (GRCm39) noncoding transcript Het
Vps54 G A 11: 21,256,940 (GRCm39) A683T probably damaging Het
Zfp354a A T 11: 50,960,164 (GRCm39) N123I possibly damaging Het
Zfpm2 T C 15: 40,965,783 (GRCm39) V624A 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
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
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 2014-05-07