Incidental Mutation 'R5839:Kcnq2'
ID 449775
Institutional Source Beutler Lab
Gene Symbol Kcnq2
Ensembl Gene ENSMUSG00000016346
Gene Name potassium voltage-gated channel, subfamily Q, member 2
Synonyms Nmf134, KQT2
MMRRC Submission 044059-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5839 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 180717372-180777093 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 180751544 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 284 (Y284C)
Ref Sequence ENSEMBL: ENSMUSP00000099336 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000016491] [ENSMUST00000049792] [ENSMUST00000081528] [ENSMUST00000103047] [ENSMUST00000103048] [ENSMUST00000103050] [ENSMUST00000103051] [ENSMUST00000129695] [ENSMUST00000149964] [ENSMUST00000197015]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000016491
AA Change: Y284C

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000016491
Gene: ENSMUSG00000016346
AA Change: Y284C

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 7.3e-29 PFAM
Pfam:Ion_trans_2 237 317 2.5e-14 PFAM
Pfam:KCNQ_channel 436 595 2e-59 PFAM
Pfam:KCNQ_channel 593 673 1.7e-22 PFAM
low complexity region 711 723 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000049792
AA Change: Y284C

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000052453
Gene: ENSMUSG00000016346
AA Change: Y284C

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 7.2e-29 PFAM
Pfam:Ion_trans_2 237 317 2.5e-14 PFAM
Pfam:KCNQ_channel 436 565 3.1e-55 PFAM
Pfam:KCNQ_channel 587 668 6.8e-23 PFAM
low complexity region 706 718 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000081528
AA Change: Y284C

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000080243
Gene: ENSMUSG00000016346
AA Change: Y284C

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 4.3e-29 PFAM
Pfam:Ion_trans_2 237 317 1.7e-14 PFAM
Pfam:KCNQ_channel 436 564 2.3e-55 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000103047
AA Change: Y284C

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000099336
Gene: ENSMUSG00000016346
AA Change: Y284C

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 7.1e-29 PFAM
Pfam:Ion_trans_2 237 317 2.5e-14 PFAM
Pfam:KCNQ_channel 424 583 2e-59 PFAM
Pfam:KCNQ_channel 581 661 1.7e-22 PFAM
low complexity region 699 711 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000103048
AA Change: Y284C

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000099337
Gene: ENSMUSG00000016346
AA Change: Y284C

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 6.7e-29 PFAM
Pfam:Ion_trans_2 237 317 2.4e-14 PFAM
Pfam:KCNQ_channel 436 637 1.3e-82 PFAM
low complexity region 675 687 N/A INTRINSIC
Predicted Effect unknown
Transcript: ENSMUST00000103049
AA Change: Y227C
SMART Domains Protein: ENSMUSP00000099338
Gene: ENSMUSG00000016346
AA Change: Y227C

DomainStartEndE-ValueType
Pfam:Ion_trans 35 268 3.7e-32 PFAM
Pfam:Ion_trans_2 181 261 1.1e-14 PFAM
Pfam:KCNQ_channel 392 584 1e-92 PFAM
Pfam:KCNQ2_u3 591 679 3.9e-39 PFAM
Pfam:KCNQC3-Ank-G_bd 692 791 1.1e-48 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000103050
AA Change: Y284C
SMART Domains Protein: ENSMUSP00000099339
Gene: ENSMUSG00000016346
AA Change: Y284C

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 8.7e-29 PFAM
Pfam:Ion_trans_2 237 317 2.9e-14 PFAM
Pfam:KCNQ_channel 436 637 1.7e-82 PFAM
low complexity region 675 687 N/A INTRINSIC
Pfam:KCNQC3-Ank-G_bd 737 839 1.6e-51 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000140789
Predicted Effect probably damaging
Transcript: ENSMUST00000103051
AA Change: Y284C

PolyPhen 2 Score 0.978 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000099340
Gene: ENSMUSG00000016346
AA Change: Y284C

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 8.9e-29 PFAM
Pfam:Ion_trans_2 237 317 2.9e-14 PFAM
Pfam:KCNQ_channel 446 647 1.7e-82 PFAM
low complexity region 685 697 N/A INTRINSIC
Pfam:KCNQC3-Ank-G_bd 747 849 1.7e-51 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000129695
AA Change: Y170C

PolyPhen 2 Score 0.049 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000123488
Gene: ENSMUSG00000016346
AA Change: Y170C

DomainStartEndE-ValueType
Pfam:Ion_trans 14 198 6.8e-29 PFAM
Pfam:Ion_trans_2 123 203 2.4e-14 PFAM
Pfam:KCNQ_channel 320 521 1.3e-82 PFAM
low complexity region 559 571 N/A INTRINSIC
Pfam:KCNQC3-Ank-G_bd 621 723 1.3e-51 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000149964
AA Change: Y284C

PolyPhen 2 Score 0.353 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000122915
Gene: ENSMUSG00000016346
AA Change: Y284C

DomainStartEndE-ValueType
Pfam:Ion_trans 91 324 4.4e-32 PFAM
Pfam:Ion_trans_2 237 317 1.3e-14 PFAM
low complexity region 418 431 N/A INTRINSIC
Pfam:KCNQ_channel 466 659 6.2e-94 PFAM
Pfam:KCNQ2_u3 666 754 4.5e-39 PFAM
Pfam:KCNQC3-Ank-G_bd 767 866 1.2e-48 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000197015
AA Change: Y284C

PolyPhen 2 Score 0.993 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000143263
Gene: ENSMUSG00000016346
AA Change: Y284C

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 8.7e-29 PFAM
Pfam:Ion_trans_2 237 317 2.9e-14 PFAM
Pfam:KCNQ_channel 436 637 1.7e-82 PFAM
low complexity region 675 687 N/A INTRINSIC
Pfam:KCNQC3-Ank-G_bd 737 839 1.6e-51 PFAM
Predicted Effect unknown
Transcript: ENSMUST00000197599
AA Change: Y2C
Predicted Effect noncoding transcript
Transcript: ENSMUST00000129361
SMART Domains Protein: ENSMUSP00000131756
Gene: ENSMUSG00000016346

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 310 7.6e-29 PFAM
Pfam:Ion_trans_2 237 311 2.9e-14 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000154164
SMART Domains Protein: ENSMUSP00000131544
Gene: ENSMUSG00000016346

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 1.4e-29 PFAM
Pfam:Ion_trans_2 237 317 7.8e-15 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000129073
SMART Domains Protein: ENSMUSP00000127061
Gene: ENSMUSG00000016346

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 1e-28 PFAM
Pfam:Ion_trans_2 237 317 3.4e-14 PFAM
Pfam:KCNQ_channel 436 565 3e-55 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139458
SMART Domains Protein: ENSMUSP00000130633
Gene: ENSMUSG00000016346

DomainStartEndE-ValueType
Pfam:Ion_trans 91 324 2.6e-32 PFAM
Pfam:Ion_trans_2 237 317 9.7e-15 PFAM
low complexity region 408 425 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000144592
SMART Domains Protein: ENSMUSP00000133237
Gene: ENSMUSG00000016346

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 5.6e-29 PFAM
Pfam:Ion_trans_2 237 317 2.2e-14 PFAM
low complexity region 398 415 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000123336
SMART Domains Protein: ENSMUSP00000130700
Gene: ENSMUSG00000016346

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 2.2e-30 PFAM
Pfam:Ion_trans_2 237 317 1.6e-15 PFAM
Meta Mutation Damage Score 0.7731 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.3%
  • 20x: 95.1%
Validation Efficiency 94% (62/66)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The M channel is a slowly activating and deactivating potassium channel that plays a critical role in the regulation of neuronal excitability. The M channel is formed by the association of the protein encoded by this gene and a related protein encoded by the KCNQ3 gene, both integral membrane proteins. M channel currents are inhibited by M1 muscarinic acetylcholine receptors and activated by retigabine, a novel anti-convulsant drug. Defects in this gene are a cause of benign familial neonatal convulsions type 1 (BFNC), also known as epilepsy, benign neonatal type 1 (EBN1). At least five transcript variants encoding five different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a null mutation die perinatally with pulmonary atelectasis. Heterozygous mice exhibit a hypersensitivity to the epileptic inducer pentylenetetrazole. Mice homozygous for a knock-in allele exhibit spontaneous seizures and premature death. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam22 T A 5: 8,186,861 (GRCm39) Y420F probably damaging Het
Adcy8 A G 15: 64,588,031 (GRCm39) Y919H probably damaging Het
Afg2a A G 3: 37,518,803 (GRCm39) D779G probably damaging Het
Ampd1 A T 3: 102,992,744 (GRCm39) N162I possibly damaging Het
Arhgef15 G A 11: 68,844,982 (GRCm39) A205V probably benign Het
Ash1l A G 3: 88,890,658 (GRCm39) K846E probably damaging Het
Azi2 C T 9: 117,888,187 (GRCm39) T250I probably damaging Het
Btbd16 G A 7: 130,417,538 (GRCm39) probably null Het
Ceacam16 T A 7: 19,590,008 (GRCm39) K52* probably null Het
Cfap74 T C 4: 155,507,207 (GRCm39) probably null Het
Cgn A C 3: 94,681,703 (GRCm39) L464R probably damaging Het
Chpt1 T A 10: 88,339,625 (GRCm39) H32L probably damaging Het
Clk1 G A 1: 58,461,074 (GRCm39) T7I probably benign Het
Col6a5 C T 9: 105,822,592 (GRCm39) probably null Het
Cpne4 C A 9: 104,803,027 (GRCm39) R224S probably damaging Het
Cysltr2 T C 14: 73,267,623 (GRCm39) Y29C probably damaging Het
Ddx5 A G 11: 106,673,032 (GRCm39) S498P probably damaging Het
Dgkg A G 16: 22,385,244 (GRCm39) Y382H possibly damaging Het
Efemp1 A G 11: 28,871,418 (GRCm39) E339G possibly damaging Het
Focad T A 4: 88,115,083 (GRCm39) probably benign Het
Gabbr1 G A 17: 37,378,760 (GRCm39) G650D probably damaging Het
Galnt9 A G 5: 110,725,386 (GRCm39) S108G probably benign Het
Igkv8-28 T A 6: 70,121,145 (GRCm39) M1L probably benign Het
Iqca1l T C 5: 24,757,024 (GRCm39) K218E probably damaging Het
Macf1 A G 4: 123,275,117 (GRCm39) F6299S probably damaging Het
Magi3 G A 3: 104,127,047 (GRCm39) T79M probably damaging Het
Mdh2 T A 5: 135,812,146 (GRCm39) probably null Het
Mgam A C 6: 40,716,998 (GRCm39) N108T possibly damaging Het
N4bp3 A T 11: 51,536,909 (GRCm39) F55I probably benign Het
Nasp C T 4: 116,459,288 (GRCm39) probably null Het
Ncapg T A 5: 45,829,620 (GRCm39) H107Q probably damaging Het
Ofcc1 T C 13: 40,434,021 (GRCm39) K28R probably damaging Het
Opn1sw C T 6: 29,379,829 (GRCm39) C135Y probably damaging Het
Pigo T C 4: 43,022,104 (GRCm39) M346V probably damaging Het
Pkn2 A T 3: 142,527,290 (GRCm39) D386E probably benign Het
Psd2 G T 18: 36,140,577 (GRCm39) V617L probably damaging Het
Rab39 C T 9: 53,617,387 (GRCm39) R10H probably damaging Het
Slc6a6 T A 6: 91,700,298 (GRCm39) C9S probably damaging Het
Slc8a2 A T 7: 15,868,412 (GRCm39) I215F probably damaging Het
Slitrk5 T C 14: 111,917,030 (GRCm39) V218A probably benign Het
Smchd1 A T 17: 71,701,857 (GRCm39) V1045E probably damaging Het
Smoc1 T C 12: 81,214,359 (GRCm39) I247T probably damaging Het
Snapc4 G C 2: 26,255,546 (GRCm39) Q993E probably benign Het
Spidr A T 16: 15,855,366 (GRCm39) I383N probably damaging Het
Stab2 A G 10: 86,708,555 (GRCm39) V219A probably damaging Het
Tas2r103 T C 6: 133,013,779 (GRCm39) T96A probably benign Het
Tcaf3 T C 6: 42,570,783 (GRCm39) E323G possibly damaging Het
Tecta T C 9: 42,284,272 (GRCm39) T938A possibly damaging Het
Tecta C T 9: 42,242,319 (GRCm39) D2085N probably benign Het
Tekt2 T A 4: 126,216,629 (GRCm39) E328V probably damaging Het
Tgfb1i1 A G 7: 127,852,537 (GRCm39) *462W probably null Het
Tnip2 T C 5: 34,653,976 (GRCm39) probably benign Het
Tpd52l2 G A 2: 181,141,691 (GRCm39) V25I probably benign Het
Traj15 T A 14: 54,441,926 (GRCm39) probably benign Het
Trpm8 A T 1: 88,253,228 (GRCm39) I106F possibly damaging Het
Ttc22 T C 4: 106,495,717 (GRCm39) L357P probably damaging Het
Ttn T C 2: 76,739,772 (GRCm39) H3589R probably benign Het
Vmn1r28 T A 6: 58,242,280 (GRCm39) I41N possibly damaging Het
Wasf1 T A 10: 40,812,315 (GRCm39) V368E unknown Het
Zeb1 A G 18: 5,767,507 (GRCm39) M673V probably benign Het
Zfp799 T C 17: 33,041,086 (GRCm39) D31G probably null Het
Other mutations in Kcnq2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01063:Kcnq2 APN 2 180,751,582 (GRCm39) unclassified probably benign
IGL02064:Kcnq2 APN 2 180,750,819 (GRCm39) missense probably damaging 1.00
IGL02231:Kcnq2 APN 2 180,723,508 (GRCm39) missense probably benign 0.22
IGL02261:Kcnq2 APN 2 180,723,483 (GRCm39) missense probably damaging 0.98
IGL02510:Kcnq2 APN 2 180,723,154 (GRCm39) missense probably benign
IGL02583:Kcnq2 APN 2 180,723,295 (GRCm39) missense probably benign 0.01
IGL02627:Kcnq2 APN 2 180,724,120 (GRCm39) unclassified probably benign
IGL03303:Kcnq2 APN 2 180,724,182 (GRCm39) missense probably benign
R0269:Kcnq2 UTSW 2 180,738,767 (GRCm39) missense probably benign 0.00
R1535:Kcnq2 UTSW 2 180,776,618 (GRCm39) missense probably damaging 1.00
R1688:Kcnq2 UTSW 2 180,728,826 (GRCm39) missense probably damaging 1.00
R1776:Kcnq2 UTSW 2 180,742,350 (GRCm39) missense probably benign 0.01
R1946:Kcnq2 UTSW 2 180,730,244 (GRCm39) missense probably benign 0.09
R2105:Kcnq2 UTSW 2 180,723,145 (GRCm39) missense probably benign 0.03
R2382:Kcnq2 UTSW 2 180,753,900 (GRCm39) missense probably damaging 1.00
R2912:Kcnq2 UTSW 2 180,723,567 (GRCm39) missense probably damaging 1.00
R3826:Kcnq2 UTSW 2 180,746,693 (GRCm39) missense possibly damaging 0.56
R3898:Kcnq2 UTSW 2 180,751,479 (GRCm39) missense probably damaging 0.97
R4282:Kcnq2 UTSW 2 180,722,946 (GRCm39) missense probably damaging 1.00
R4938:Kcnq2 UTSW 2 180,728,766 (GRCm39) missense probably damaging 0.96
R4962:Kcnq2 UTSW 2 180,753,836 (GRCm39) missense possibly damaging 0.59
R5055:Kcnq2 UTSW 2 180,728,554 (GRCm39) intron probably benign
R5107:Kcnq2 UTSW 2 180,750,340 (GRCm39) intron probably benign
R5371:Kcnq2 UTSW 2 180,776,813 (GRCm39) missense probably damaging 1.00
R5557:Kcnq2 UTSW 2 180,776,690 (GRCm39) missense probably benign 0.07
R5998:Kcnq2 UTSW 2 180,728,801 (GRCm39) missense probably damaging 1.00
R6084:Kcnq2 UTSW 2 180,729,449 (GRCm39) missense possibly damaging 0.53
R6207:Kcnq2 UTSW 2 180,755,026 (GRCm39) missense possibly damaging 0.49
R6744:Kcnq2 UTSW 2 180,727,099 (GRCm39) missense possibly damaging 0.94
R7018:Kcnq2 UTSW 2 180,723,517 (GRCm39) nonsense probably null
R7266:Kcnq2 UTSW 2 180,776,885 (GRCm39) start codon destroyed probably null 0.92
R7291:Kcnq2 UTSW 2 180,730,172 (GRCm39) missense possibly damaging 0.69
R7319:Kcnq2 UTSW 2 180,750,895 (GRCm39) missense probably damaging 1.00
R7447:Kcnq2 UTSW 2 180,754,887 (GRCm39) missense probably damaging 0.97
R7573:Kcnq2 UTSW 2 180,723,382 (GRCm39) missense probably benign 0.04
R7897:Kcnq2 UTSW 2 180,722,934 (GRCm39) missense probably damaging 1.00
R8942:Kcnq2 UTSW 2 180,724,244 (GRCm39) missense probably damaging 1.00
R9381:Kcnq2 UTSW 2 180,751,562 (GRCm39) missense probably damaging 0.97
R9394:Kcnq2 UTSW 2 180,724,217 (GRCm39) missense probably benign
R9516:Kcnq2 UTSW 2 180,776,753 (GRCm39) missense probably benign 0.00
R9544:Kcnq2 UTSW 2 180,729,407 (GRCm39) missense probably damaging 1.00
R9592:Kcnq2 UTSW 2 180,728,813 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ACTCTGGTCTAGTCTGGAGC -3'
(R):5'- ATGACCATCAGTGTCCAGCTTC -3'

Sequencing Primer
(F):5'- GAGCTCTCTAGGGTCTGTAAACC -3'
(R):5'- GCTTCCCCTAAACTACTTGGATGAAC -3'
Posted On 2016-12-20