Incidental Mutation 'R7291:Kcnq2'
ID 566390
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 045322-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7291 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 180717372-180777093 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 180730172 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 498 (I498N)
Ref Sequence ENSEMBL: ENSMUSP00000122915 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000016491] [ENSMUST00000049792] [ENSMUST00000081528] [ENSMUST00000103047] [ENSMUST00000103048] [ENSMUST00000103050] [ENSMUST00000149964] [ENSMUST00000103051] [ENSMUST00000129695] [ENSMUST00000197015]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000016491
AA Change: I470N

PolyPhen 2 Score 0.792 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000016491
Gene: ENSMUSG00000016346
AA Change: I470N

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 possibly damaging
Transcript: ENSMUST00000049792
AA Change: I470N

PolyPhen 2 Score 0.792 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000052453
Gene: ENSMUSG00000016346
AA Change: I470N

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 possibly damaging
Transcript: ENSMUST00000081528
AA Change: I470N

PolyPhen 2 Score 0.869 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000080243
Gene: ENSMUSG00000016346
AA Change: I470N

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 benign
Transcript: ENSMUST00000103047
AA Change: I458N

PolyPhen 2 Score 0.191 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000099336
Gene: ENSMUSG00000016346
AA Change: I458N

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 possibly damaging
Transcript: ENSMUST00000103048
AA Change: I470N

PolyPhen 2 Score 0.670 (Sensitivity: 0.86; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000099337
Gene: ENSMUSG00000016346
AA Change: I470N

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
SMART Domains Protein: ENSMUSP00000099338
Gene: ENSMUSG00000016346
AA Change: I423N

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
SMART Domains Protein: ENSMUSP00000099339
Gene: ENSMUSG00000016346
AA Change: I468N

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: I498N

PolyPhen 2 Score 0.686 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000122915
Gene: ENSMUSG00000016346
AA Change: I498N

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 possibly damaging
Transcript: ENSMUST00000103051
AA Change: I480N

PolyPhen 2 Score 0.522 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000099340
Gene: ENSMUSG00000016346
AA Change: I480N

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: I354N

PolyPhen 2 Score 0.032 (Sensitivity: 0.95; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000123488
Gene: ENSMUSG00000016346
AA Change: I354N

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 possibly damaging
Transcript: ENSMUST00000197015
AA Change: I470N

PolyPhen 2 Score 0.792 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000143263
Gene: ENSMUSG00000016346
AA Change: I470N

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.6%
Validation Efficiency
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: 83 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9430069I07Rik T C 15: 34,355,699 (GRCm39) E51G possibly damaging Het
Abca14 C A 7: 119,888,832 (GRCm39) C1259* probably null Het
Ablim1 T C 19: 57,204,340 (GRCm39) E17G probably benign Het
Acsf3 G A 8: 123,540,316 (GRCm39) V505I probably benign Het
Actn1 T C 12: 80,220,859 (GRCm39) M650V probably benign Het
Adamts4 G A 1: 171,084,097 (GRCm39) V525I probably benign Het
Adh1 T C 3: 137,988,569 (GRCm39) Y181H probably damaging Het
Alpl G A 4: 137,480,009 (GRCm39) R168W probably damaging Het
Ate1 T G 7: 130,121,661 (GRCm39) K11Q probably benign Het
Atpaf1 T A 4: 115,668,288 (GRCm39) F314L probably damaging Het
Baiap3 T A 17: 25,463,291 (GRCm39) D1004V probably damaging Het
Bpifb9a C T 2: 154,109,616 (GRCm39) T504M probably damaging Het
C1s2 T A 6: 124,602,343 (GRCm39) I623F probably benign Het
Card11 T C 5: 140,886,825 (GRCm39) D308G probably damaging Het
Cul9 C T 17: 46,851,359 (GRCm39) V354I probably benign Het
Dnah1 A T 14: 31,020,662 (GRCm39) F1236I probably damaging Het
Dync2h1 T A 9: 6,929,590 (GRCm39) I4266F possibly damaging Het
Ear10 A T 14: 44,160,377 (GRCm39) V150D probably damaging Het
Elfn2 C T 15: 78,557,183 (GRCm39) A455T probably benign Het
Erp44 A G 4: 48,208,792 (GRCm39) Y223H probably damaging Het
Fam110b T A 4: 5,798,895 (GRCm39) H104Q probably benign Het
Fcgbp A G 7: 27,800,817 (GRCm39) N1288D probably benign Het
Fcgbpl1 A C 7: 27,839,645 (GRCm39) D486A probably benign Het
Fcrl1 T C 3: 87,293,088 (GRCm39) probably null Het
Fmo2 G T 1: 162,715,271 (GRCm39) P117Q probably benign Het
Fsip2 A G 2: 82,810,863 (GRCm39) K2394R possibly damaging Het
Gab1 T G 8: 81,526,780 (GRCm39) K106T probably damaging Het
Gatad2b T C 3: 90,258,721 (GRCm39) V248A probably damaging Het
Gemin6 T C 17: 80,535,204 (GRCm39) S55P possibly damaging Het
Gfm2 G A 13: 97,311,532 (GRCm39) V701I probably benign Het
Gm3250 T C 10: 77,618,061 (GRCm39) T106A unknown Het
Gm7356 T C 17: 14,221,843 (GRCm39) N62S probably benign Het
Gsdmc4 T C 15: 63,774,689 (GRCm39) T31A possibly damaging Het
H2-M10.1 T A 17: 36,636,621 (GRCm39) D61V probably damaging Het
Heatr5a A G 12: 51,972,122 (GRCm39) L716S probably damaging Het
Hecw2 A G 1: 53,953,753 (GRCm39) Y831H probably damaging Het
Ifi202b C T 1: 173,802,381 (GRCm39) S151N probably benign Het
Il15ra C T 2: 11,723,192 (GRCm39) T72I probably damaging Het
Ints1 A G 5: 139,750,829 (GRCm39) L858P probably damaging Het
Kat2a C T 11: 100,601,726 (GRCm39) V230I possibly damaging Het
Kif26b C T 1: 178,506,611 (GRCm39) T229I possibly damaging Het
Ly75 T A 2: 60,160,337 (GRCm39) I957F probably damaging Het
Map3k12 T A 15: 102,410,601 (GRCm39) R459W probably damaging Het
Mia2 T A 12: 59,205,155 (GRCm39) probably null Het
Mrgprf A G 7: 144,861,206 (GRCm39) I53V unknown Het
Mttp A G 3: 137,796,964 (GRCm39) L846P probably damaging Het
Myrip C T 9: 120,246,207 (GRCm39) L112F probably damaging Het
Nav1 A G 1: 135,393,597 (GRCm39) F1047S probably damaging Het
Nfkbib T C 7: 28,458,628 (GRCm39) D327G possibly damaging Het
Notch1 C T 2: 26,366,387 (GRCm39) V776I probably benign Het
Obsl1 G T 1: 75,466,161 (GRCm39) D1522E probably damaging Het
Or52s6 T A 7: 103,091,995 (GRCm39) M112L probably benign Het
Or5b110-ps1 A T 19: 13,259,517 (GRCm39) F302I unknown Het
Or7e168 T C 9: 19,719,944 (GRCm39) M110T possibly damaging Het
Or9r3 T C 10: 129,948,093 (GRCm39) K189E probably benign Het
Pde7a T C 3: 19,281,838 (GRCm39) N471D probably benign Het
Pla2r1 T C 2: 60,360,779 (GRCm39) H203R probably benign Het
Plch2 C A 4: 155,082,929 (GRCm39) C573F probably damaging Het
Polr1a G A 6: 71,918,440 (GRCm39) R666Q probably benign Het
Prepl T C 17: 85,388,668 (GRCm39) N145S probably benign Het
Psen2 C T 1: 180,066,521 (GRCm39) V139M probably benign Het
Ptgdr A T 14: 45,096,649 (GRCm39) M21K possibly damaging Het
Rapgef6 T C 11: 54,582,065 (GRCm39) W1331R probably benign Het
Rp1l1 G A 14: 64,269,747 (GRCm39) G1778S probably benign Het
Rrbp1 A T 2: 143,811,382 (GRCm39) M824K probably benign Het
Sel1l T C 12: 91,815,739 (GRCm39) T23A probably benign Het
Sele A G 1: 163,881,437 (GRCm39) S515G possibly damaging Het
Slc22a23 T C 13: 34,381,822 (GRCm39) N421D probably damaging Het
Slc35f3 T G 8: 127,121,297 (GRCm39) L386R probably benign Het
Stab2 G A 10: 86,782,084 (GRCm39) S699L probably damaging Het
Synrg A T 11: 83,900,207 (GRCm39) L726F probably damaging Het
Syt3 G A 7: 44,045,343 (GRCm39) V528M probably damaging Het
Szt2 A G 4: 118,248,446 (GRCm39) I655T probably damaging Het
Tbr1 T C 2: 61,642,600 (GRCm39) S622P probably damaging Het
Tex36 C T 7: 133,188,952 (GRCm39) G207S probably benign Het
Trav5n-4 G A 14: 53,550,399 (GRCm39) W13* probably null Het
Trdn A T 10: 33,313,732 (GRCm39) E500V probably null Het
Ugt2b38 A T 5: 87,559,754 (GRCm39) N379K probably damaging Het
Unc13d T C 11: 115,964,876 (GRCm39) R248G possibly damaging Het
Vmn1r195 C T 13: 22,462,919 (GRCm39) L130F probably damaging Het
Vmn2r110 T C 17: 20,794,471 (GRCm39) I733V probably benign Het
Zfp870 T A 17: 33,102,828 (GRCm39) N167I probably damaging Het
Zmynd10 A T 9: 107,426,503 (GRCm39) M179L probably benign 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
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
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'- CCATTACCTGCAGAGATGGCAAG -3'
(R):5'- AAGATCGTGTCTTCTCCAGCC -3'

Sequencing Primer
(F):5'- GTGGTTTGTCTTACATGACATCAC -3'
(R):5'- GTCTTCTCCAGCCCCCGAG -3'
Posted On 2019-06-26