Incidental Mutation 'IGL03340:Kcnk2'
ID 417190
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 # IGL03340
Quality Score
Status
Chromosome 1
Chromosomal Location 188940127-189134470 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 189027878 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 126 (I126F)
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: I118F

PolyPhen 2 Score 0.107 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000078416
Gene: ENSMUSG00000037624
AA Change: I118F

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: I115F

PolyPhen 2 Score 0.300 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000106545
Gene: ENSMUSG00000037624
AA Change: I115F

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: I115F

PolyPhen 2 Score 0.300 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000141849
Gene: ENSMUSG00000037624
AA Change: I115F

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: I130F

PolyPhen 2 Score 0.234 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000141891
Gene: ENSMUSG00000037624
AA Change: I130F

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: I126F

PolyPhen 2 Score 0.510 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000142176
Gene: ENSMUSG00000037624
AA Change: I126F

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: I126F

PolyPhen 2 Score 0.234 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000142026
Gene: ENSMUSG00000037624
AA Change: I126F

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: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700097O09Rik A G 12: 55,126,786 (GRCm39) L26P probably benign Het
Aff1 A T 5: 103,931,670 (GRCm39) H104L possibly damaging Het
Apon T C 10: 128,090,847 (GRCm39) I175T probably benign Het
C2cd6 A C 1: 59,115,830 (GRCm39) F168V probably benign Het
Cgn C T 3: 94,685,405 (GRCm39) probably benign Het
Cramp1 G A 17: 25,192,516 (GRCm39) P956L probably damaging Het
Cyp2e1 G A 7: 140,344,767 (GRCm39) V78M probably damaging Het
Cyp4b1 G A 4: 115,499,076 (GRCm39) P97S probably damaging Het
Fads2 G T 19: 10,069,136 (GRCm39) P96Q possibly damaging Het
Fcer2a T C 8: 3,738,310 (GRCm39) D120G possibly damaging Het
Fhip1b A G 7: 105,038,517 (GRCm39) S241P probably damaging Het
Gm21972 G T 1: 86,061,450 (GRCm39) A887S probably damaging Het
Grk6 A G 13: 55,601,003 (GRCm39) D295G probably damaging Het
Herc2 T A 7: 55,740,668 (GRCm39) V270D possibly damaging Het
Kifap3 T G 1: 163,656,718 (GRCm39) V346G possibly damaging Het
Kpna1 T A 16: 35,820,616 (GRCm39) N20K probably damaging Het
Krt33b A G 11: 99,916,298 (GRCm39) probably benign Het
Krtap9-5 T C 11: 99,839,427 (GRCm39) C43R possibly damaging Het
Lars1 G A 18: 42,361,715 (GRCm39) probably benign Het
Lifr T C 15: 7,207,417 (GRCm39) W540R probably benign Het
Lrp1b A G 2: 41,358,981 (GRCm39) S631P probably damaging Het
Mbd1 G T 18: 74,407,553 (GRCm39) R111L probably benign Het
Meltf C T 16: 31,711,602 (GRCm39) T576M probably damaging Het
Mmp20 G A 9: 7,643,995 (GRCm39) G228S probably damaging Het
Mob4 A G 1: 55,175,867 (GRCm39) D37G possibly damaging Het
Msr1 T C 8: 40,073,048 (GRCm39) K234E possibly damaging Het
Myof A G 19: 37,899,607 (GRCm39) V1764A probably damaging Het
Naaladl1 A G 19: 6,156,229 (GRCm39) Y105C possibly damaging Het
Nisch A G 14: 30,895,101 (GRCm39) V1065A probably damaging Het
Npas4 A T 19: 5,035,094 (GRCm39) probably benign Het
Or4c124 T C 2: 89,156,039 (GRCm39) T162A possibly damaging Het
Pdss2 A G 10: 43,269,997 (GRCm39) D280G probably benign Het
Plk3 A G 4: 116,990,125 (GRCm39) I182T probably damaging Het
Ppm1k A G 6: 57,487,711 (GRCm39) W371R probably damaging Het
Samm50 T C 15: 84,082,864 (GRCm39) probably null Het
Scaper G T 9: 55,510,116 (GRCm39) T640K possibly damaging Het
Sun3 A C 11: 8,973,285 (GRCm39) probably benign Het
Svep1 T A 4: 58,111,451 (GRCm39) K1056M possibly damaging Het
Tgs1 C A 4: 3,604,813 (GRCm39) P745Q probably benign Het
Tomm20l A T 12: 71,164,388 (GRCm39) probably benign Het
Usp38 A C 8: 81,738,905 (GRCm39) L237V probably damaging Het
Vmn1r210 T C 13: 23,011,644 (GRCm39) Y214C probably benign Het
Zan G A 5: 137,426,136 (GRCm39) P2547S unknown 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
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