Incidental Mutation 'R9421:Kcnq4'
ID 712324
Institutional Source Beutler Lab
Gene Symbol Kcnq4
Ensembl Gene ENSMUSG00000028631
Gene Name potassium voltage-gated channel, subfamily Q, member 4
Synonyms
MMRRC Submission
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.434) question?
Stock # R9421 (G1)
Quality Score 225.009
Status Not validated
Chromosome 4
Chromosomal Location 120553331-120604687 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 120573868 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 198 (I198F)
Ref Sequence ENSEMBL: ENSMUSP00000030376 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030376]
AlphaFold Q9JK97
Predicted Effect possibly damaging
Transcript: ENSMUST00000030376
AA Change: I198F

PolyPhen 2 Score 0.483 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000030376
Gene: ENSMUSG00000028631
AA Change: I198F

DomainStartEndE-ValueType
low complexity region 4 21 N/A INTRINSIC
low complexity region 36 77 N/A INTRINSIC
Pfam:Ion_trans 99 331 1.2e-28 PFAM
Pfam:Ion_trans_2 244 324 5.4e-16 PFAM
Pfam:KCNQ_channel 465 655 1.6e-93 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene forms a potassium channel that is thought to play a critical role in the regulation of neuronal excitability, particularly in sensory cells of the cochlea. The current generated by this channel is inhibited by M1 muscarinic acetylcholine receptors and activated by retigabine, a novel anti-convulsant drug. The encoded protein can form a homomultimeric potassium channel or possibly a heteromultimeric channel in association with the protein encoded by the KCNQ3 gene. Defects in this gene are a cause of nonsyndromic sensorineural deafness type 2 (DFNA2), an autosomal dominant form of progressive hearing loss. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice that are either homozygous for a knock-out allele or homozygous for a dominant negative knock-in allele exhibit a slowly progressive hearing loss due to chronic depolarization and subsequent degeneration of cochlear outer hair cells. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 42 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930438A08Rik T A 11: 58,177,451 (GRCm39) N53K Het
Alpk1 C T 3: 127,467,069 (GRCm39) R1070Q probably damaging Het
AU018091 T C 7: 3,208,085 (GRCm39) I541V probably benign Het
B3galt2 A T 1: 143,522,364 (GRCm39) R167* probably null Het
Bltp3a A T 17: 28,095,660 (GRCm39) D23V probably damaging Het
Cabin1 A G 10: 75,493,658 (GRCm39) L1660S probably damaging Het
Card11 A T 5: 140,869,462 (GRCm39) I778N probably damaging Het
Col15a1 G C 4: 47,288,200 (GRCm39) probably benign Het
Cpne3 A T 4: 19,536,561 (GRCm39) M233K probably benign Het
Cxcl13 T A 5: 96,107,789 (GRCm39) W82R probably damaging Het
Dock10 T A 1: 80,501,509 (GRCm39) Y1848F probably damaging Het
Ednra G A 8: 78,391,681 (GRCm39) T403M probably damaging Het
Fbl A G 7: 27,875,439 (GRCm39) I186V probably benign Het
Fktn G A 4: 53,734,854 (GRCm39) G125D probably benign Het
Gorasp2 T C 2: 70,509,867 (GRCm39) V176A probably damaging Het
Gpr151 T C 18: 42,712,220 (GRCm39) I153V probably benign Het
Kat6a C T 8: 23,398,322 (GRCm39) L297F probably damaging Het
Kdm7a A G 6: 39,129,763 (GRCm39) V471A possibly damaging Het
Ltn1 A T 16: 87,215,375 (GRCm39) M420K possibly damaging Het
Lypd6b A G 2: 49,832,552 (GRCm39) E39G probably benign Het
Man2b2 T C 5: 36,978,271 (GRCm39) T338A probably benign Het
Mcm7 T C 5: 138,165,477 (GRCm39) T476A possibly damaging Het
Or1e30 T A 11: 73,677,927 (GRCm39) H54Q probably benign Het
Or2y10 G T 11: 49,455,201 (GRCm39) G151V probably benign Het
Or51h5 T A 7: 102,577,711 (GRCm39) I292K probably damaging Het
Pdzd2 A T 15: 12,375,114 (GRCm39) F1674I Het
Peg10 CCACATCAGGATCCACATCAGGATGCACATCAGCATCAGGATCCCCATCAGGATGCACATCAGGATCCACATCAGGATGCACATCAG CCACATCAGGATCCACATCAGGATGCACATCAG 6: 4,756,398 (GRCm39) probably benign Het
Pilrb1 A G 5: 137,853,296 (GRCm39) V169A probably benign Het
Pramel39-ps G T 5: 94,451,001 (GRCm39) P375H probably damaging Het
Rsf1 GC GCGGCGGCGAC 7: 97,229,141 (GRCm39) probably benign Het
Slc49a4 C A 16: 35,518,372 (GRCm39) W447L Het
Slc4a11 C T 2: 130,533,664 (GRCm39) A100T probably damaging Het
Stxbp2 T C 8: 3,682,264 (GRCm39) W27R Het
Tle6 G A 10: 81,429,868 (GRCm39) T410M Het
Ttyh2 C G 11: 114,587,633 (GRCm39) Y211* probably null Het
Ubap2l T A 3: 89,955,108 (GRCm39) Q20L possibly damaging Het
Usp19 T C 9: 108,376,792 (GRCm39) Y1122H probably damaging Het
Zcchc2 G T 1: 105,950,987 (GRCm39) V574L probably benign Het
Zfp532 G A 18: 65,757,308 (GRCm39) V414I probably benign Het
Zfp616 A C 11: 73,974,331 (GRCm39) N291T possibly damaging Het
Zfp820 A T 17: 22,038,336 (GRCm39) C331S probably benign Het
Zfp94 G A 7: 24,002,978 (GRCm39) R155* probably null Het
Other mutations in Kcnq4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00164:Kcnq4 APN 4 120,555,213 (GRCm39) nonsense probably null
IGL00225:Kcnq4 APN 4 120,555,213 (GRCm39) nonsense probably null
IGL00228:Kcnq4 APN 4 120,555,213 (GRCm39) nonsense probably null
IGL00310:Kcnq4 APN 4 120,555,213 (GRCm39) nonsense probably null
IGL00330:Kcnq4 APN 4 120,555,213 (GRCm39) nonsense probably null
IGL00333:Kcnq4 APN 4 120,555,213 (GRCm39) nonsense probably null
IGL00335:Kcnq4 APN 4 120,555,213 (GRCm39) nonsense probably null
IGL00336:Kcnq4 APN 4 120,555,213 (GRCm39) nonsense probably null
IGL01143:Kcnq4 APN 4 120,555,820 (GRCm39) missense probably damaging 1.00
IGL01373:Kcnq4 APN 4 120,574,229 (GRCm39) missense probably damaging 1.00
IGL02095:Kcnq4 APN 4 120,557,224 (GRCm39) splice site probably benign
IGL02335:Kcnq4 APN 4 120,573,051 (GRCm39) missense probably damaging 1.00
IGL03188:Kcnq4 APN 4 120,561,623 (GRCm39) missense possibly damaging 0.81
R0045:Kcnq4 UTSW 4 120,555,152 (GRCm39) missense probably damaging 0.99
R0045:Kcnq4 UTSW 4 120,555,152 (GRCm39) missense probably damaging 0.99
R0423:Kcnq4 UTSW 4 120,574,705 (GRCm39) missense probably damaging 1.00
R0483:Kcnq4 UTSW 4 120,573,798 (GRCm39) missense probably damaging 1.00
R0837:Kcnq4 UTSW 4 120,604,058 (GRCm39) missense probably benign 0.00
R1722:Kcnq4 UTSW 4 120,559,624 (GRCm39) missense probably benign 0.00
R1826:Kcnq4 UTSW 4 120,561,701 (GRCm39) missense probably benign 0.00
R2059:Kcnq4 UTSW 4 120,555,199 (GRCm39) missense probably benign 0.00
R4327:Kcnq4 UTSW 4 120,568,561 (GRCm39) missense probably benign 0.00
R4690:Kcnq4 UTSW 4 120,574,208 (GRCm39) missense probably damaging 0.99
R4706:Kcnq4 UTSW 4 120,561,683 (GRCm39) missense probably benign
R4729:Kcnq4 UTSW 4 120,570,271 (GRCm39) missense possibly damaging 0.47
R4806:Kcnq4 UTSW 4 120,570,291 (GRCm39) missense probably damaging 1.00
R4859:Kcnq4 UTSW 4 120,573,810 (GRCm39) missense probably damaging 1.00
R4885:Kcnq4 UTSW 4 120,570,260 (GRCm39) missense probably benign 0.01
R5073:Kcnq4 UTSW 4 120,574,714 (GRCm39) missense probably damaging 1.00
R5517:Kcnq4 UTSW 4 120,573,006 (GRCm39) missense possibly damaging 0.66
R5590:Kcnq4 UTSW 4 120,573,082 (GRCm39) missense probably damaging 0.98
R5653:Kcnq4 UTSW 4 120,559,608 (GRCm39) missense probably benign 0.00
R5750:Kcnq4 UTSW 4 120,572,246 (GRCm39) missense probably damaging 1.00
R6141:Kcnq4 UTSW 4 120,573,066 (GRCm39) missense probably damaging 1.00
R6160:Kcnq4 UTSW 4 120,573,756 (GRCm39) missense probably damaging 1.00
R7087:Kcnq4 UTSW 4 120,561,596 (GRCm39) missense probably damaging 0.96
R7088:Kcnq4 UTSW 4 120,561,596 (GRCm39) missense probably damaging 0.96
R7143:Kcnq4 UTSW 4 120,568,436 (GRCm39) missense probably benign 0.05
R7225:Kcnq4 UTSW 4 120,604,111 (GRCm39) missense probably benign 0.03
R7479:Kcnq4 UTSW 4 120,573,022 (GRCm39) missense probably damaging 0.98
R7574:Kcnq4 UTSW 4 120,568,565 (GRCm39) missense probably benign
R7879:Kcnq4 UTSW 4 120,559,632 (GRCm39) missense probably benign 0.13
R7980:Kcnq4 UTSW 4 120,568,494 (GRCm39) missense probably benign 0.02
R9007:Kcnq4 UTSW 4 120,555,150 (GRCm39) missense probably benign 0.01
R9468:Kcnq4 UTSW 4 120,568,494 (GRCm39) missense probably benign 0.02
R9774:Kcnq4 UTSW 4 120,573,076 (GRCm39) missense probably damaging 0.99
X0020:Kcnq4 UTSW 4 120,572,524 (GRCm39) missense probably damaging 1.00
Z1176:Kcnq4 UTSW 4 120,555,694 (GRCm39) critical splice donor site probably null
Predicted Primers PCR Primer
(F):5'- CCTCTTGCTAGTGCCTAGTGTAG -3'
(R):5'- TCTCAAGGAGGCATTTTGATCC -3'

Sequencing Primer
(F):5'- GCCTAGTGTAGTCTGTAGCAAC -3'
(R):5'- AGGAGGCATTTTGATCCCAGCC -3'
Posted On 2022-05-16