Incidental Mutation 'R3943:Kcnq1'
ID 307542
Institutional Source Beutler Lab
Gene Symbol Kcnq1
Ensembl Gene ENSMUSG00000009545
Gene Name potassium voltage-gated channel, subfamily Q, member 1
Synonyms KVLQT1, Kcna9
MMRRC Submission 040924-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.330) question?
Stock # R3943 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 142660614-142980787 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 142979825 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 657 (L657P)
Ref Sequence ENSEMBL: ENSMUSP00000009689 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000009689] [ENSMUST00000185383]
AlphaFold P97414
Predicted Effect probably damaging
Transcript: ENSMUST00000009689
AA Change: L657P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000009689
Gene: ENSMUSG00000009545
AA Change: L657P

DomainStartEndE-ValueType
Pfam:Ion_trans 121 358 7.5e-28 PFAM
Pfam:Ion_trans_2 261 351 5.9e-13 PFAM
low complexity region 404 427 N/A INTRINSIC
Pfam:KCNQ_channel 480 624 1e-27 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000185383
SMART Domains Protein: ENSMUSP00000139548
Gene: ENSMUSG00000009545

DomainStartEndE-ValueType
transmembrane domain 58 80 N/A INTRINSIC
Pfam:Ion_trans 93 282 1.4e-23 PFAM
Pfam:Ion_trans_2 198 287 1.2e-11 PFAM
low complexity region 340 363 N/A INTRINSIC
low complexity region 422 433 N/A INTRINSIC
Meta Mutation Damage Score 0.1903 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.7%
Validation Efficiency 98% (49/50)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a voltage-gated potassium channel required for repolarization phase of the cardiac action potential. This protein can form heteromultimers with two other potassium channel proteins, KCNE1 and KCNE3. Mutations in this gene are associated with hereditary long QT syndrome 1 (also known as Romano-Ward syndrome), Jervell and Lange-Nielsen syndrome, and familial atrial fibrillation. This gene exhibits tissue-specific imprinting, with preferential expression from the maternal allele in some tissues, and biallelic expression in others. This gene is located in a region of chromosome 11 amongst other imprinted genes that are associated with Beckwith-Wiedemann syndrome (BWS), and itself has been shown to be disrupted by chromosomal rearrangements in patients with BWS. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Aug 2011]
PHENOTYPE: Homozygous targeted null or spontaneous mutants show circling and head-tossing behavior and are deaf with inner ear dysmorphology. Paternal inheritance of a deletion of an imprinted control region within an intron of this gene results in small body size. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adnp A G 2: 168,026,980 (GRCm39) I105T possibly damaging Het
Atf3 A G 1: 190,903,713 (GRCm39) I171T possibly damaging Het
Atp6v0a1 A G 11: 100,946,343 (GRCm39) I773V probably benign Het
Bltp2 T A 11: 78,160,350 (GRCm39) L603* probably null Het
Cad T A 5: 31,229,729 (GRCm39) probably null Het
Camkv T A 9: 107,825,182 (GRCm39) D366E possibly damaging Het
Dnah8 T A 17: 30,913,039 (GRCm39) probably benign Het
Dock7 A G 4: 98,880,668 (GRCm39) S932P probably damaging Het
Fam227a C T 15: 79,505,060 (GRCm39) probably benign Het
Fbp2 A G 13: 62,989,607 (GRCm39) F233S possibly damaging Het
Gnptab G T 10: 88,269,756 (GRCm39) V820L probably benign Het
Gpat4 G A 8: 23,670,171 (GRCm39) P286L probably damaging Het
Gpr158 C A 2: 21,373,370 (GRCm39) R102S possibly damaging Het
Gramd1b A T 9: 40,442,340 (GRCm39) M1K probably null Het
H2-T23 A G 17: 36,341,535 (GRCm39) V312A probably benign Het
Hltf A T 3: 20,146,908 (GRCm39) I494F probably damaging Het
Il16 G A 7: 83,301,223 (GRCm39) L300F probably damaging Het
Insyn1 AGAGGAGGAGGAGGAGG AGAGGAGGAGGAGG 9: 58,406,715 (GRCm39) probably benign Het
Krt4 G A 15: 101,829,685 (GRCm39) T281M probably benign Het
Mia3 A G 1: 183,140,127 (GRCm39) F196S possibly damaging Het
Naip6 T C 13: 100,431,247 (GRCm39) T1197A probably benign Het
Nrxn2 T A 19: 6,523,365 (GRCm39) N204K probably damaging Het
Or7g27 T A 9: 19,250,371 (GRCm39) M205K probably benign Het
Rassf6 G T 5: 90,752,185 (GRCm39) Q258K possibly damaging Het
Rhpn1 T C 15: 75,583,655 (GRCm39) L380P probably damaging Het
Ribc2 A G 15: 85,019,451 (GRCm39) M78V probably benign Het
Shroom3 G T 5: 93,090,945 (GRCm39) V1151F probably damaging Het
Skint5 T A 4: 113,799,950 (GRCm39) H73L probably damaging Het
Smg6 G A 11: 74,820,367 (GRCm39) G213R probably damaging Het
Sspn T A 6: 145,880,083 (GRCm39) W62R probably damaging Het
Stard9 A G 2: 120,528,710 (GRCm39) S1656G probably benign Het
Svep1 T A 4: 58,084,807 (GRCm39) probably null Het
Tab1 T C 15: 80,037,941 (GRCm39) L258P probably damaging Het
Tmem59l A G 8: 70,939,951 (GRCm39) L6S unknown Het
Tnrc6c C T 11: 117,614,355 (GRCm39) R838W probably damaging Het
Trf T A 9: 103,100,151 (GRCm39) I271F probably benign Het
Trpm7 A T 2: 126,673,138 (GRCm39) N538K possibly damaging Het
Usp28 T A 9: 48,911,666 (GRCm39) L25I probably benign Het
Vmn2r14 A T 5: 109,363,930 (GRCm39) I662N probably damaging Het
Vmn2r42 A T 7: 8,197,779 (GRCm39) F280Y possibly damaging Het
Vps8 A T 16: 21,288,873 (GRCm39) N411Y probably damaging Het
Vwa2 T G 19: 56,897,747 (GRCm39) L684R probably damaging Het
Zfp712 T C 13: 67,189,396 (GRCm39) Q377R probably benign Het
Zfp947 C A 17: 22,364,801 (GRCm39) G291V probably damaging Het
Zpld2 T C 4: 133,927,656 (GRCm39) T366A probably benign Het
Other mutations in Kcnq1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01458:Kcnq1 APN 7 142,748,015 (GRCm39) nonsense probably null
IGL01936:Kcnq1 APN 7 142,738,241 (GRCm39) missense possibly damaging 0.83
IGL02134:Kcnq1 APN 7 142,737,453 (GRCm39) missense possibly damaging 0.66
IGL02613:Kcnq1 APN 7 142,979,863 (GRCm39) unclassified probably benign
R0841:Kcnq1 UTSW 7 142,661,189 (GRCm39) missense probably benign 0.07
R1843:Kcnq1 UTSW 7 142,736,857 (GRCm39) missense probably benign 0.03
R2571:Kcnq1 UTSW 7 142,661,433 (GRCm39) missense probably benign 0.35
R2910:Kcnq1 UTSW 7 142,979,699 (GRCm39) missense probably damaging 1.00
R4274:Kcnq1 UTSW 7 142,738,179 (GRCm39) missense probably damaging 1.00
R4686:Kcnq1 UTSW 7 142,661,466 (GRCm39) missense probably benign 0.44
R4795:Kcnq1 UTSW 7 142,736,494 (GRCm39) missense probably benign 0.01
R5133:Kcnq1 UTSW 7 142,748,083 (GRCm39) critical splice donor site probably null
R5151:Kcnq1 UTSW 7 142,979,749 (GRCm39) missense probably benign
R5658:Kcnq1 UTSW 7 142,917,432 (GRCm39) critical splice donor site probably null
R5732:Kcnq1 UTSW 7 142,702,493 (GRCm39) intron probably benign
R5990:Kcnq1 UTSW 7 142,815,105 (GRCm39) missense probably damaging 1.00
R6025:Kcnq1 UTSW 7 142,660,170 (GRCm39) unclassified probably benign
R6111:Kcnq1 UTSW 7 142,661,474 (GRCm39) missense probably benign 0.00
R6534:Kcnq1 UTSW 7 142,748,064 (GRCm39) missense probably benign 0.16
R7196:Kcnq1 UTSW 7 142,912,478 (GRCm39) missense possibly damaging 0.91
R7409:Kcnq1 UTSW 7 142,663,152 (GRCm39) missense unknown
R7790:Kcnq1 UTSW 7 142,660,342 (GRCm39) splice site probably null
R8093:Kcnq1 UTSW 7 142,916,389 (GRCm39) missense probably damaging 1.00
R8414:Kcnq1 UTSW 7 142,917,403 (GRCm39) missense probably damaging 1.00
R8465:Kcnq1 UTSW 7 142,979,711 (GRCm39) missense probably benign 0.03
R9379:Kcnq1 UTSW 7 142,745,169 (GRCm39) missense probably damaging 1.00
R9776:Kcnq1 UTSW 7 142,737,368 (GRCm39) missense probably damaging 0.99
Z1177:Kcnq1 UTSW 7 142,662,201 (GRCm39) unclassified probably benign
Predicted Primers PCR Primer
(F):5'- TCTAGCACCAGGTTCATCTCTG -3'
(R):5'- TATCCAGATCCAGGCCAGTG -3'

Sequencing Primer
(F):5'- TGTCCTTACAGGTGACACAAC -3'
(R):5'- GCTTGGCCCATGGGTTTC -3'
Posted On 2015-04-17