Incidental Mutation 'R3017:Kcnk4'
ID 257679
Institutional Source Beutler Lab
Gene Symbol Kcnk4
Ensembl Gene ENSMUSG00000024957
Gene Name potassium channel, subfamily K, member 4
Synonyms TRAAKt
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3017 (G1)
Quality Score 225
Status Not validated
Chromosome 19
Chromosomal Location 6903030-6912261 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 6905162 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 163 (V163E)
Ref Sequence ENSEMBL: ENSMUSP00000025908 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025908] [ENSMUST00000057716]
AlphaFold O88454
Predicted Effect probably damaging
Transcript: ENSMUST00000025908
AA Change: V163E

PolyPhen 2 Score 0.962 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000025908
Gene: ENSMUSG00000024957
AA Change: V163E

DomainStartEndE-ValueType
Pfam:Ion_trans 2 147 8.1e-9 PFAM
Pfam:Ion_trans_2 64 145 1.7e-21 PFAM
Pfam:Ion_trans_2 174 260 5.3e-22 PFAM
low complexity region 303 319 N/A INTRINSIC
low complexity region 367 390 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000057716
SMART Domains Protein: ENSMUSP00000056681
Gene: ENSMUSG00000050623

DomainStartEndE-ValueType
low complexity region 104 118 N/A INTRINSIC
low complexity region 137 146 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.8%
  • 20x: 93.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the TWIK-related arachidonic acid-stimulated two pore potassium channel subfamily. The encoded protein homodimerizes and functions as an outwardly rectifying channel. This channel is regulated by polyunsaturated fatty acids, temperature and mechanical deformation of the lipid membrane. This protein is expressed primarily in neural tissues and may be involved in regulating the noxious input threshold in dorsal root ganglia neurons. Alternate splicing results in multiple transcript variants. Naturally occurring read-through transcripts also exist between this gene and the downstream testis expressed 40 (TEX40) gene, as represented in GeneID: 106780802. [provided by RefSeq, Nov 2015]
PHENOTYPE: Mice homozygous for a null allele exhibit normal sensitivity to pharmacologically induced seizures. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 16 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aox4 T C 1: 58,274,363 (GRCm39) V383A probably benign Het
Aplp1 A T 7: 30,135,396 (GRCm39) probably null Het
Bahd1 C T 2: 118,746,887 (GRCm39) P169S probably damaging Het
Gmnc G A 16: 26,779,165 (GRCm39) H281Y probably benign Het
Gusb T C 5: 130,029,325 (GRCm39) D152G probably damaging Het
Lcmt1 T G 7: 123,029,359 (GRCm39) L327W probably damaging Het
Med18 G A 4: 132,187,128 (GRCm39) R124C probably damaging Het
Odf1 A G 15: 38,226,675 (GRCm39) T192A unknown Het
Pitpna C T 11: 75,483,016 (GRCm39) R8W probably damaging Het
Pkn1 A G 8: 84,396,799 (GRCm39) Y951H probably benign Het
Rad18 T C 6: 112,658,327 (GRCm39) T193A possibly damaging Het
Ruvbl2 G T 7: 45,071,588 (GRCm39) L432I probably damaging Het
Slco1a4 T C 6: 141,758,396 (GRCm39) probably null Het
Tlr11 T A 14: 50,600,178 (GRCm39) C721* probably null Het
Tubgcp6 A T 15: 88,987,285 (GRCm39) C1229* probably null Het
Vmn2r114 ATTT ATT 17: 23,509,906 (GRCm39) probably null Het
Other mutations in Kcnk4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01569:Kcnk4 APN 19 6,904,545 (GRCm39) missense probably damaging 1.00
IGL02047:Kcnk4 APN 19 6,903,626 (GRCm39) missense probably benign 0.00
IGL02726:Kcnk4 APN 19 6,904,457 (GRCm39) critical splice donor site probably null
R0149:Kcnk4 UTSW 19 6,903,562 (GRCm39) missense probably benign 0.08
R0617:Kcnk4 UTSW 19 6,905,528 (GRCm39) unclassified probably benign
R1392:Kcnk4 UTSW 19 6,905,031 (GRCm39) missense possibly damaging 0.80
R1392:Kcnk4 UTSW 19 6,905,031 (GRCm39) missense possibly damaging 0.80
R4439:Kcnk4 UTSW 19 6,910,129 (GRCm39) missense probably benign 0.01
R4895:Kcnk4 UTSW 19 6,905,784 (GRCm39) splice site probably null
R5208:Kcnk4 UTSW 19 6,905,069 (GRCm39) missense possibly damaging 0.79
R5409:Kcnk4 UTSW 19 6,903,578 (GRCm39) missense probably benign 0.00
R5743:Kcnk4 UTSW 19 6,905,723 (GRCm39) missense possibly damaging 0.69
R6233:Kcnk4 UTSW 19 6,905,697 (GRCm39) missense probably benign 0.29
R6466:Kcnk4 UTSW 19 6,905,665 (GRCm39) missense probably damaging 1.00
R7358:Kcnk4 UTSW 19 6,903,478 (GRCm39) missense probably damaging 1.00
R8040:Kcnk4 UTSW 19 6,904,995 (GRCm39) missense probably damaging 1.00
R8356:Kcnk4 UTSW 19 6,903,668 (GRCm39) missense probably benign
R8437:Kcnk4 UTSW 19 6,903,602 (GRCm39) missense probably benign 0.01
R8444:Kcnk4 UTSW 19 6,903,508 (GRCm39) missense probably damaging 1.00
R8805:Kcnk4 UTSW 19 6,905,379 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- ACTCACCGGGTACATAATCGC -3'
(R):5'- ATCGAAGCAATCTTCTTGGTGAG -3'

Sequencing Primer
(F):5'- TCGCCAAAGCCTACAGTGGTG -3'
(R):5'- GCAATCTTCTTGGTGAGCTGCAC -3'
Posted On 2015-01-11