Incidental Mutation 'R9578:Kcnk2'
ID 722393
Institutional Source Beutler Lab
Gene Symbol Kcnk2
Ensembl Gene ENSMUSG00000037624
Gene Name potassium channel, subfamily K, member 2
Synonyms TREK-1
MMRRC Submission
Accession Numbers
Essential gene? Probably non essential (E-score: 0.102) question?
Stock # R9578 (G1)
Quality Score 217.468
Status Not validated
Chromosome 1
Chromosomal Location 188940127-189134470 bp(-) (GRCm39)
Type of Mutation frame shift
DNA Base Change (assembly) CAAA to CAA at 188988891 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000141891 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000079451] [ENSMUST00000110920] [ENSMUST00000180044] [ENSMUST00000192723] [ENSMUST00000193319] [ENSMUST00000194172] [ENSMUST00000194402]
AlphaFold P97438
Predicted Effect probably null
Transcript: ENSMUST00000079451
SMART Domains Protein: ENSMUSP00000078416
Gene: ENSMUSG00000037624

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 null
Transcript: ENSMUST00000110920
SMART Domains Protein: ENSMUSP00000106545
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: 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 null
Transcript: ENSMUST00000192723
SMART Domains Protein: ENSMUSP00000141849
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 null
Transcript: ENSMUST00000193319
SMART Domains Protein: ENSMUSP00000141891
Gene: ENSMUSG00000037624

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 null
Transcript: ENSMUST00000194402
SMART Domains Protein: ENSMUSP00000142026
Gene: ENSMUSG00000037624

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
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933405L10Rik G A 8: 106,436,505 (GRCm39) G234S probably damaging Het
Aipl1 C T 11: 71,928,253 (GRCm39) G11D probably damaging Het
Aldh8a1 A G 10: 21,253,281 (GRCm39) I14M probably damaging Het
Arhgap11a A G 2: 113,670,125 (GRCm39) S333P possibly damaging Het
Atp1b3 A T 9: 96,220,754 (GRCm39) D180E probably benign Het
B3gnt8 T C 7: 25,328,089 (GRCm39) L173P probably damaging Het
Cabin1 A G 10: 75,590,185 (GRCm39) F37S probably damaging Het
Carmil3 G T 14: 55,741,293 (GRCm39) probably null Het
Cfi G T 3: 129,659,024 (GRCm39) M327I probably benign Het
Cltc G A 11: 86,593,237 (GRCm39) S1542F probably benign Het
Col7a1 G A 9: 108,789,350 (GRCm39) G854D unknown Het
Cux1 A T 5: 136,282,919 (GRCm39) probably null Het
Dcdc2c G T 12: 28,602,234 (GRCm39) N23K probably damaging Het
Dclre1a A G 19: 56,528,734 (GRCm39) I807T probably damaging Het
Dnah14 T C 1: 181,502,007 (GRCm39) F1770L probably benign Het
Dnajc13 A G 9: 104,115,726 (GRCm39) F28L probably benign Het
Dtna A G 18: 23,728,612 (GRCm39) D269G probably damaging Het
Dusp4 G T 8: 35,274,822 (GRCm39) probably benign Het
Ece1 T C 4: 137,641,133 (GRCm39) S19P probably benign Het
Gas1 T C 13: 60,323,905 (GRCm39) D243G possibly damaging Het
Ggnbp2 A G 11: 84,744,989 (GRCm39) C178R probably benign Het
Gm12185 T A 11: 48,806,408 (GRCm39) N261I probably benign Het
Grm4 A T 17: 27,669,183 (GRCm39) F362I possibly damaging Het
Icos T A 1: 61,032,871 (GRCm39) N23K probably benign Het
Krt5 T C 15: 101,620,153 (GRCm39) K188R probably damaging Het
Mindy3 C T 2: 12,361,715 (GRCm39) probably null Het
Ncdn C T 4: 126,645,795 (GRCm39) R38H probably damaging Het
Nol9 A G 4: 152,125,706 (GRCm39) K219R probably benign Het
Opalin A T 19: 41,060,668 (GRCm39) S2R probably damaging Het
Or8g35 A T 9: 39,381,201 (GRCm39) S274T probably damaging Het
Pask G A 1: 93,263,390 (GRCm39) S122L probably benign Het
Pcdha11 T C 18: 37,140,176 (GRCm39) S602P probably damaging Het
Pclo A G 5: 14,816,753 (GRCm39) K1271R Het
Piezo1 T C 8: 123,224,214 (GRCm39) H763R Het
Pigr A G 1: 130,777,350 (GRCm39) K719E probably benign Het
Piwil4 A T 9: 14,638,790 (GRCm39) V245E probably damaging Het
Plcb4 A G 2: 135,829,444 (GRCm39) M925V probably benign Het
Pomt1 G A 2: 32,133,543 (GRCm39) probably null Het
Pou2f2 C A 7: 24,796,569 (GRCm39) A302S probably benign Het
Rapgef4 A T 2: 72,026,052 (GRCm39) H359L probably damaging Het
Rfesd C T 13: 76,156,299 (GRCm39) V36I possibly damaging Het
Rims1 G A 1: 22,523,823 (GRCm39) T421M probably damaging Het
Serpinf2 T A 11: 75,327,615 (GRCm39) H150L probably benign Het
Syt10 A T 15: 89,675,122 (GRCm39) M408K possibly damaging Het
Tcea1 T A 1: 4,961,021 (GRCm39) probably null Het
Tia1 T C 6: 86,407,347 (GRCm39) *387R probably null Het
Top3a A C 11: 60,647,517 (GRCm39) V186G probably damaging Het
Upk3b T A 5: 136,067,736 (GRCm39) S27R unknown Het
Usp18 A G 6: 121,239,726 (GRCm39) S274G probably benign Het
Vmn1r230 C A 17: 21,067,163 (GRCm39) C117* probably null Het
Vmn1r72 T C 7: 11,404,347 (GRCm39) I34V probably benign Het
Vmn2r74 T C 7: 85,606,101 (GRCm39) D415G probably benign Het
Zfp54 A G 17: 21,655,186 (GRCm39) Y560C 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
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
Predicted Primers PCR Primer
(F):5'- TGGCATAGCAGCTCAGTCATC -3'
(R):5'- AACCGGATGAGCAAATGCAC -3'

Sequencing Primer
(F):5'- GAGCCTGTGTTCCGTTATAAACCAG -3'
(R):5'- TGAAGAAAACATTTTACCCGTGGG -3'
Posted On 2022-08-09