Incidental Mutation 'R1535:Kcnq2'
ID 166865
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 039574-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1535 (G1)
Quality Score 179
Status Validated
Chromosome 2
Chromosomal Location 180717372-180777093 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 180776618 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Serine at position 90 (G90S)
Ref Sequence ENSEMBL: ENSMUSP00000099340 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000016491] [ENSMUST00000049792] [ENSMUST00000081528] [ENSMUST00000103047] [ENSMUST00000103048] [ENSMUST00000103050] [ENSMUST00000149964] [ENSMUST00000197015] [ENSMUST00000103051]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000016491
AA Change: G90S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000016491
Gene: ENSMUSG00000016346
AA Change: G90S

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: G90S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000052453
Gene: ENSMUSG00000016346
AA Change: G90S

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: G90S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000080243
Gene: ENSMUSG00000016346
AA Change: G90S

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 possibly damaging
Transcript: ENSMUST00000103047
AA Change: G90S

PolyPhen 2 Score 0.828 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000099336
Gene: ENSMUSG00000016346
AA Change: G90S

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: G90S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099337
Gene: ENSMUSG00000016346
AA Change: G90S

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: G33S
SMART Domains Protein: ENSMUSP00000099338
Gene: ENSMUSG00000016346
AA Change: G33S

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: G90S
SMART Domains Protein: ENSMUSP00000099339
Gene: ENSMUSG00000016346
AA Change: G90S

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 possibly damaging
Transcript: ENSMUST00000149964
AA Change: G90S

PolyPhen 2 Score 0.678 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000122915
Gene: ENSMUSG00000016346
AA Change: G90S

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: G90S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000143263
Gene: ENSMUSG00000016346
AA Change: G90S

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 probably damaging
Transcript: ENSMUST00000103051
AA Change: G90S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099340
Gene: ENSMUSG00000016346
AA Change: G90S

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 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: 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
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: ENSMUST00000140789
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: 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: 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
Meta Mutation Damage Score 0.6850 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.3%
  • 10x: 96.4%
  • 20x: 93.2%
Validation Efficiency 100% (75/75)
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: 71 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
3110009E18Rik T C 1: 120,099,203 (GRCm39) S99P possibly damaging Het
Abca16 T A 7: 120,139,928 (GRCm39) I1530N probably benign Het
Abcc9 T G 6: 142,610,361 (GRCm39) Q601P probably damaging Het
Acap3 A G 4: 155,980,631 (GRCm39) probably benign Het
Adamts16 A T 13: 70,939,913 (GRCm39) probably null Het
Alpk2 G C 18: 65,483,275 (GRCm39) S244R probably benign Het
Aoc1l1 T C 6: 48,952,398 (GRCm39) F108L probably damaging Het
Atp8b1 C T 18: 64,678,335 (GRCm39) V854M probably damaging Het
Bend5 C A 4: 111,316,960 (GRCm39) D374E probably benign Het
Catsperg2 T C 7: 29,397,671 (GRCm39) D1014G possibly damaging Het
Ccer2 G T 7: 28,456,822 (GRCm39) G189* probably null Het
Ces2h A G 8: 105,741,118 (GRCm39) T37A probably benign Het
Cfap68 C T 9: 50,675,307 (GRCm39) R40Q probably damaging Het
Cmah T C 13: 24,623,203 (GRCm39) F213L probably damaging Het
Cntn2 T C 1: 132,453,122 (GRCm39) E390G probably benign Het
Coq7 C T 7: 118,128,897 (GRCm39) R46Q possibly damaging Het
Cpb1 T A 3: 20,320,451 (GRCm39) D136V probably benign Het
Cxcr2 T C 1: 74,198,217 (GRCm39) L237P probably damaging Het
Daam1 T C 12: 71,998,692 (GRCm39) L549P unknown Het
Diaph1 A G 18: 38,029,146 (GRCm39) probably null Het
Dis3 G T 14: 99,316,862 (GRCm39) Q825K probably damaging Het
Dnah11 C T 12: 117,982,465 (GRCm39) R2568Q probably damaging Het
Dnah12 A T 14: 26,538,279 (GRCm39) R2312S possibly damaging Het
Dock9 C T 14: 121,783,476 (GRCm39) E2041K probably damaging Het
Eci1 A G 17: 24,658,064 (GRCm39) E282G probably benign Het
Egf T A 3: 129,484,427 (GRCm39) T464S probably benign Het
Eif4g3 C T 4: 137,824,613 (GRCm39) P97S probably damaging Het
Emsy A G 7: 98,242,944 (GRCm39) V1065A possibly damaging Het
Ep400 G T 5: 110,856,032 (GRCm39) probably benign Het
Fam13a A C 6: 58,916,332 (GRCm39) I607S probably damaging Het
Fam241b A G 10: 61,944,728 (GRCm39) S113P probably damaging Het
Fbxl21 A T 13: 56,671,340 (GRCm39) M1L probably benign Het
Fnip2 C A 3: 79,389,072 (GRCm39) C553F probably damaging Het
Frmd3 G T 4: 73,931,995 (GRCm39) probably benign Het
Grm4 G A 17: 27,653,775 (GRCm39) S470L probably benign Het
Gucy2e T A 11: 69,117,070 (GRCm39) I784F probably damaging Het
H1f10 T C 6: 87,958,130 (GRCm39) Y70C probably damaging Het
Hmcn2 A T 2: 31,310,419 (GRCm39) T3338S possibly damaging Het
Idh1 C T 1: 65,207,697 (GRCm39) G161R probably damaging Het
Idi1 T C 13: 8,936,945 (GRCm39) probably benign Het
Idi2l A T 13: 8,990,680 (GRCm39) probably benign Het
Klhl29 A G 12: 5,134,486 (GRCm39) Y642H probably damaging Het
Lmtk3 T A 7: 45,443,994 (GRCm39) probably benign Het
Macf1 A T 4: 123,334,486 (GRCm39) F4420I probably benign Het
Me1 A G 9: 86,469,096 (GRCm39) S470P probably damaging Het
Mfsd2b A G 12: 4,920,605 (GRCm39) S71P probably damaging Het
Mfsd3 T C 15: 76,586,979 (GRCm39) L273P probably damaging Het
Mical1 A G 10: 41,361,207 (GRCm39) K757R possibly damaging Het
Myh9 A T 15: 77,662,013 (GRCm39) V782D probably damaging Het
Nab2 C G 10: 127,500,916 (GRCm39) E59Q probably damaging Het
Nfyc A T 4: 120,618,921 (GRCm39) N244K probably damaging Het
Nupr2 A G 5: 129,937,672 (GRCm39) I80M probably damaging Het
Or4c15b T C 2: 89,113,401 (GRCm39) I46M probably benign Het
Or51f1d A G 7: 102,700,576 (GRCm39) T24A probably benign Het
Or5a1 A G 19: 12,097,696 (GRCm39) C115R probably damaging Het
Pkn3 A G 2: 29,977,065 (GRCm39) T602A probably benign Het
Prrc2b T A 2: 32,094,301 (GRCm39) V561D probably benign Het
Psd2 T A 18: 36,138,843 (GRCm39) V489E probably benign Het
Rasal2 T C 1: 157,057,629 (GRCm39) T181A probably benign Het
Serpinb13 T C 1: 106,909,886 (GRCm39) M1T probably null Het
Sgsm1 A T 5: 113,411,135 (GRCm39) S864T possibly damaging Het
Slc5a10 C A 11: 61,564,767 (GRCm39) G404V possibly damaging Het
Slc6a1 G T 6: 114,284,731 (GRCm39) G263V probably damaging Het
Son A G 16: 91,456,622 (GRCm39) K1790E probably damaging Het
Spata31e5 T C 1: 28,816,505 (GRCm39) E509G probably damaging Het
Syde2 A G 3: 145,708,176 (GRCm39) probably benign Het
Tmem126a T C 7: 90,102,026 (GRCm39) I58V probably benign Het
Vmn2r8 T C 5: 108,950,040 (GRCm39) Y269C probably damaging Het
Wdr87-ps C T 7: 29,229,004 (GRCm39) noncoding transcript Het
Yeats2 T A 16: 20,008,115 (GRCm39) S416T probably damaging Het
Zfp40 A T 17: 23,394,843 (GRCm39) H513Q probably damaging 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
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
R5839:Kcnq2 UTSW 2 180,751,544 (GRCm39) missense probably damaging 1.00
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'- GCTTTAACCCGAGACTGCAATGC -3'
(R):5'- TTGTCCTGTGAGGCAGTACACCTG -3'

Sequencing Primer
(F):5'- GAGACTGCAATGCCACGAC -3'
(R):5'- ccgggccAGGTAGGAAC -3'
Posted On 2014-04-13