Incidental Mutation 'IGL00955:Kcnk2'
ID 26701
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 # IGL00955
Quality Score
Status
Chromosome 1
Chromosomal Location 188940127-189134470 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 188975211 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 264 (I264N)
Ref Sequence ENSEMBL: ENSMUSP00000141849 (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: I267N

PolyPhen 2 Score 0.088 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000078416
Gene: ENSMUSG00000037624
AA Change: I267N

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: I264N

PolyPhen 2 Score 0.960 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000106545
Gene: ENSMUSG00000037624
AA Change: I264N

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 noncoding transcript
Transcript: ENSMUST00000192529
Predicted Effect probably damaging
Transcript: ENSMUST00000192723
AA Change: I264N

PolyPhen 2 Score 0.960 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000141849
Gene: ENSMUSG00000037624
AA Change: I264N

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: I279N

PolyPhen 2 Score 0.141 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000141891
Gene: ENSMUSG00000037624
AA Change: I279N

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
AA Change: L213M

PolyPhen 2 Score 0.225 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000142176
Gene: ENSMUSG00000037624
AA Change: L213M

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: I275N

PolyPhen 2 Score 0.516 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000142026
Gene: ENSMUSG00000037624
AA Change: I275N

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: 29 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Arl11 A T 14: 61,548,691 (GRCm39) Q167L probably benign Het
Ces3a T A 8: 105,777,202 (GRCm39) V175E probably damaging Het
Cherp C T 8: 73,224,038 (GRCm39) E140K probably damaging Het
Clpx A T 9: 65,231,552 (GRCm39) T546S probably damaging Het
Csgalnact2 A G 6: 118,106,225 (GRCm39) L31P probably damaging Het
Cxcr1 A T 1: 74,231,379 (GRCm39) F214L probably benign Het
Cyp2c67 T A 19: 39,631,829 (GRCm39) T123S possibly damaging Het
Dbt G A 3: 116,339,763 (GRCm39) G384S probably benign Het
Dzank1 G A 2: 144,332,094 (GRCm39) T414I probably benign Het
Erich3 A G 3: 154,454,156 (GRCm39) I641V probably benign Het
Gtf2e1 A T 16: 37,356,282 (GRCm39) D83E possibly damaging Het
Hars2 T C 18: 36,922,410 (GRCm39) probably benign Het
Hnrnpm C A 17: 33,868,876 (GRCm39) R517L probably damaging Het
Kcnh2 T C 5: 24,529,964 (GRCm39) D372G probably damaging Het
Kctd4 A G 14: 76,200,668 (GRCm39) D213G probably damaging Het
Lhx9 T C 1: 138,756,418 (GRCm39) T323A possibly damaging Het
Lilra6 C A 7: 3,914,403 (GRCm39) probably benign Het
Meig1 T C 2: 3,410,311 (GRCm39) D63G probably damaging Het
Mov10l1 A G 15: 88,879,192 (GRCm39) Y184C probably damaging Het
Mrpl24 T A 3: 87,829,526 (GRCm39) L91* probably null Het
Mup11 C T 4: 60,615,549 (GRCm39) R175H probably benign Het
Nbea T C 3: 55,912,893 (GRCm39) K965E possibly damaging Het
Or52ab7 C A 7: 102,978,528 (GRCm39) H278Q probably damaging Het
Papss1 G A 3: 131,305,710 (GRCm39) E252K probably benign Het
Robo2 A T 16: 73,812,860 (GRCm39) L278Q probably damaging Het
Sned1 A T 1: 93,202,125 (GRCm39) I638F probably damaging Het
Spin1 T C 13: 51,298,577 (GRCm39) probably null Het
Taar9 T C 10: 23,985,429 (GRCm39) T2A probably benign Het
Tbc1d8b T C X: 138,626,629 (GRCm39) probably null Het
Other mutations in Kcnk2
AlleleSourceChrCoordTypePredicted EffectPPH Score
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
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 2013-04-17