Incidental Mutation 'R5845:Kcnk2'
ID 453550
Institutional Source Beutler Lab
Gene Symbol Kcnk2
Ensembl Gene ENSMUSG00000037624
Gene Name potassium channel, subfamily K, member 2
Synonyms TREK-1
MMRRC Submission 044063-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.102) question?
Stock # R5845 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 188940127-189134470 bp(-) (GRCm39)
Type of Mutation intron
DNA Base Change (assembly) T to C at 189009918 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
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 benign
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 benign
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 noncoding transcript
Transcript: ENSMUST00000191699
Predicted Effect probably benign
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 benign
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 benign
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: 99.9%
  • 3x: 99.4%
  • 10x: 97.1%
  • 20x: 90.3%
Validation Efficiency 97% (59/61)
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acad10 A T 5: 121,764,146 (GRCm39) Y928N probably benign Het
Amz2 T C 11: 109,324,755 (GRCm39) F213S probably damaging Het
Cage1 T A 13: 38,199,682 (GRCm39) S732C probably damaging Het
Ccnf C A 17: 24,459,767 (GRCm39) D229Y possibly damaging Het
Cdon G T 9: 35,368,762 (GRCm39) C332F probably damaging Het
Clca3b G A 3: 144,531,077 (GRCm39) R758C possibly damaging Het
Cyp2ab1 C T 16: 20,131,082 (GRCm39) R349H probably benign Het
Dock10 C T 1: 80,483,459 (GRCm39) probably benign Het
Dock5 A T 14: 68,078,550 (GRCm39) Y225N possibly damaging Het
Ear2 G A 14: 44,340,618 (GRCm39) R92K probably benign Het
Eif3c T C 7: 126,163,927 (GRCm39) S39G probably damaging Het
Eml3 A G 19: 8,916,582 (GRCm39) D701G probably damaging Het
Fat3 G A 9: 16,288,506 (GRCm39) T339I probably damaging Het
Fbn2 T C 18: 58,186,840 (GRCm39) D1687G possibly damaging Het
Fcnb C T 2: 27,969,633 (GRCm39) probably null Het
Flacc1 T A 1: 58,706,937 (GRCm39) E243D possibly damaging Het
Fscb A G 12: 64,519,558 (GRCm39) V636A unknown Het
Gm6124 A G 7: 38,869,299 (GRCm39) noncoding transcript Het
Hectd4 T A 5: 121,445,587 (GRCm39) probably null Het
Hrnr A T 3: 93,239,944 (GRCm39) H3394L unknown Het
Hs1bp3 A G 12: 8,386,275 (GRCm39) R226G probably benign Het
Ifngr2 T C 16: 91,351,947 (GRCm39) V61A probably benign Het
Irag2 G A 6: 145,117,392 (GRCm39) M376I probably benign Het
Kmt2d G A 15: 98,749,990 (GRCm39) probably benign Het
Mgam T A 6: 40,652,257 (GRCm39) N810K possibly damaging Het
Mis18a A G 16: 90,518,522 (GRCm39) probably null Het
Nsmce3 A G 7: 64,521,936 (GRCm39) V244A possibly damaging Het
Or10ag59 T C 2: 87,406,367 (GRCm39) I313T probably benign Het
Plxna4 A T 6: 32,214,711 (GRCm39) V590D probably damaging Het
Prkab1 A T 5: 116,162,219 (GRCm39) D30E probably benign Het
Rasgrp3 A T 17: 75,810,142 (GRCm39) N281Y possibly damaging Het
Rnd2 C T 11: 101,359,825 (GRCm39) L57F probably damaging Het
Septin2 T A 1: 93,426,757 (GRCm39) probably null Het
Slc26a6 T G 9: 108,739,282 (GRCm39) V609G possibly damaging Het
Spta1 T A 1: 174,068,662 (GRCm39) M2154K probably damaging Het
Stoml2 T G 4: 43,030,008 (GRCm39) probably benign Het
Sult6b1 A C 17: 79,202,059 (GRCm39) S148A probably damaging Het
Tmem131l A G 3: 83,847,860 (GRCm39) V335A probably damaging Het
Tmem221 T A 8: 72,007,788 (GRCm39) probably null Het
Tmem88 C G 11: 69,288,504 (GRCm39) Q138H probably benign Het
Trpm8 T C 1: 88,255,902 (GRCm39) Y186H probably benign Het
Trpv1 T C 11: 73,131,407 (GRCm39) I7T probably damaging Het
Ttc34 T C 4: 154,949,929 (GRCm39) S961P probably benign Het
Ubr1 T C 2: 120,734,486 (GRCm39) D1138G probably benign Het
Ubr7 C T 12: 102,732,571 (GRCm39) R188C probably damaging Het
Uspl1 C T 5: 149,130,770 (GRCm39) P118S probably benign Het
Vdr C A 15: 97,767,647 (GRCm39) E114D possibly damaging Het
Zfp853 C T 5: 143,274,424 (GRCm39) V399M unknown Het
Zswim4 T A 8: 84,943,871 (GRCm39) probably null 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
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
Predicted Primers PCR Primer
(F):5'- AATCGGCGTCGTCTTCATCG -3'
(R):5'- TGTACACAGCTCTTATCATCGAAC -3'

Sequencing Primer
(F):5'- GCGTCGTCTTCATCGGAGTC -3'
(R):5'- CGAAGAACTTGAGGCGC -3'
Posted On 2017-02-10