Incidental Mutation 'R6534:Kcnq1'
ID 520281
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 044660-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.330) question?
Stock # R6534 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 142660614-142980787 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 142748064 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Serine at position 411 (P411S)
Ref Sequence ENSEMBL: ENSMUSP00000009689 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000009689] [ENSMUST00000185383]
AlphaFold P97414
Predicted Effect probably benign
Transcript: ENSMUST00000009689
AA Change: P411S

PolyPhen 2 Score 0.161 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000009689
Gene: ENSMUSG00000009545
AA Change: P411S

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
AA Change: P347S

PolyPhen 2 Score 0.017 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000139548
Gene: ENSMUSG00000009545
AA Change: P347S

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.6%
Validation Efficiency 100% (37/37)
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: 35 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acer3 A T 7: 97,875,655 (GRCm39) L142M probably benign Het
Adgrb2 T C 4: 129,916,012 (GRCm39) F1435L probably damaging Het
Anapc13 T C 9: 102,511,292 (GRCm39) L60P probably damaging Het
Apaf1 T C 10: 90,891,862 (GRCm39) D497G probably damaging Het
Arpc1b A T 5: 145,059,377 (GRCm39) I34F probably damaging Het
Atp2a2 A T 5: 122,595,261 (GRCm39) W1030R possibly damaging Het
Cdk5rap2 T C 4: 70,273,050 (GRCm39) E241G probably damaging Het
Cyp4a14 T A 4: 115,347,156 (GRCm39) probably null Het
Ddx10 A G 9: 53,134,988 (GRCm39) Y399H probably damaging Het
Dnah9 T C 11: 65,846,074 (GRCm39) E2988G probably damaging Het
Dock10 T C 1: 80,481,388 (GRCm39) I536M probably benign Het
Drc7 T C 8: 95,797,910 (GRCm39) Y443H probably damaging Het
Ecel1 A G 1: 87,082,564 (GRCm39) S50P probably benign Het
Esco1 T A 18: 10,594,794 (GRCm39) Q164L possibly damaging Het
Exosc7 A G 9: 122,961,077 (GRCm39) D248G probably benign Het
Galnt3 A G 2: 65,932,875 (GRCm39) L201P probably damaging Het
Hand2 C A 8: 57,775,071 (GRCm39) H44N probably benign Het
Lonp2 A G 8: 87,443,086 (GRCm39) D429G probably benign Het
Magi3 A G 3: 103,992,536 (GRCm39) I312T possibly damaging Het
Mansc4 A T 6: 146,988,371 (GRCm39) I31N probably damaging Het
Mill2 T A 7: 18,590,521 (GRCm39) D200E possibly damaging Het
Or5d47 G A 2: 87,804,385 (GRCm39) A208V probably benign Het
Pde4d A G 13: 109,769,435 (GRCm39) K41R probably benign Het
Pik3r5 G A 11: 68,381,443 (GRCm39) D210N possibly damaging Het
Plcl1 C T 1: 55,735,907 (GRCm39) T416I probably damaging Het
Plekhd1 T C 12: 80,754,031 (GRCm39) Y166H probably damaging Het
Prrc1 A G 18: 57,522,346 (GRCm39) T393A probably damaging Het
Scaper A T 9: 55,791,260 (GRCm39) C213S probably benign Het
Sfxn4 T C 19: 60,827,461 (GRCm39) I298V probably damaging Het
Slc36a2 A T 11: 55,075,693 (GRCm39) D31E probably benign Het
Stra6l G A 4: 45,860,041 (GRCm39) probably null Het
Tnpo3 A T 6: 29,572,702 (GRCm39) probably null Het
Tonsl A G 15: 76,513,877 (GRCm39) Y1231H probably damaging Het
Ush2a C A 1: 188,183,999 (GRCm39) Y1434* probably null Het
Zfp69 T C 4: 120,788,394 (GRCm39) Y307C 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
R3943:Kcnq1 UTSW 7 142,979,825 (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
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'- AGCCTTGATGTCAGGGAAGG -3'
(R):5'- GGCATGGAGTAGACATCCTC -3'

Sequencing Primer
(F):5'- TCAGGGAAGGGGCCTTG -3'
(R):5'- GGAGTAGACATCCTCTGACTTCAG -3'
Posted On 2018-06-06