Incidental Mutation 'R7319:Kcnq2'
ID 568035
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 045415-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7319 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 180717372-180777093 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 180750895 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Serine at position 315 (G315S)
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 probably damaging
Transcript: ENSMUST00000016491
AA Change: G315S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000016491
Gene: ENSMUSG00000016346
AA Change: G315S

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: G315S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000052453
Gene: ENSMUSG00000016346
AA Change: G315S

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: G315S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000080243
Gene: ENSMUSG00000016346
AA Change: G315S

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: G315S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000099336
Gene: ENSMUSG00000016346
AA Change: G315S

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: G315S

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000099337
Gene: ENSMUSG00000016346
AA Change: G315S

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 probably damaging
Transcript: ENSMUST00000103049
AA Change: G258S

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000099338
Gene: ENSMUSG00000016346
AA Change: G258S

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: G315S

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: ENSMUST00000149964
AA Change: G315S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000122915
Gene: ENSMUSG00000016346
AA Change: G315S

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: ENSMUST00000103051
AA Change: G315S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099340
Gene: ENSMUSG00000016346
AA Change: G315S

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 damaging
Transcript: ENSMUST00000129695
AA Change: G201S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000123488
Gene: ENSMUSG00000016346
AA Change: G201S

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 damaging
Transcript: ENSMUST00000197015
AA Change: G315S

PolyPhen 2 Score 0.995 (Sensitivity: 0.68; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000143263
Gene: ENSMUSG00000016346
AA Change: G315S

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: ENSMUST00000197599
AA Change: G33S

PolyPhen 2 Score 0.968 (Sensitivity: 0.77; Specificity: 0.95)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 96% (79/82)
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: 81 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9930012K11Rik A T 14: 70,393,635 (GRCm39) I287N probably benign Het
Aco2 G T 15: 81,787,820 (GRCm39) E223D probably damaging Het
Acsf3 T A 8: 123,539,770 (GRCm39) I466N probably damaging Het
Albfm1 G A 5: 90,719,625 (GRCm39) probably null Het
Aox3 T A 1: 58,191,761 (GRCm39) F438I probably benign Het
Arhgap33 T C 7: 30,225,794 (GRCm39) T591A probably benign Het
Ash1l C T 3: 88,888,694 (GRCm39) A191V probably benign Het
Btg2 T C 1: 134,006,779 (GRCm39) K5E probably benign Het
C1galt1 T A 6: 7,871,150 (GRCm39) Y329N probably damaging Het
Cacna1h A G 17: 25,608,435 (GRCm39) I824T possibly damaging Het
Carmil3 A G 14: 55,731,817 (GRCm39) I182V probably benign Het
Ccdc150 T A 1: 54,302,496 (GRCm39) probably null Het
Chek1 T A 9: 36,633,939 (GRCm39) R129W probably damaging Het
Chrna6 A G 8: 27,896,815 (GRCm39) M354T possibly damaging Het
Cpq A G 15: 33,250,185 (GRCm39) T181A probably benign Het
Csmd2 A T 4: 128,287,472 (GRCm39) Y1069F Het
Defb28 T A 2: 152,361,974 (GRCm39) C45S possibly damaging Het
Dnah1 A G 14: 31,018,551 (GRCm39) Y1360H probably benign Het
Dnah7c T C 1: 46,823,608 (GRCm39) V3749A possibly damaging Het
Dnah7c T A 1: 46,819,935 (GRCm39) D3728E probably benign Het
Dym G A 18: 75,196,245 (GRCm39) probably null Het
Dync2i2 G A 2: 29,928,341 (GRCm39) P95L probably benign Het
Dzip3 A G 16: 48,747,903 (GRCm39) probably null Het
Eef1akmt4 A G 16: 20,436,666 (GRCm39) K163E probably benign Het
Fbrs A G 7: 127,081,985 (GRCm39) T242A possibly damaging Het
Fgfr3 G A 5: 33,885,146 (GRCm39) V87M possibly damaging Het
Fst A T 13: 114,595,068 (GRCm39) C19S probably benign Het
Gm7276 G A 18: 77,273,216 (GRCm39) R173W unknown Het
Gm9195 G A 14: 72,697,929 (GRCm39) H1284Y probably benign Het
Herc6 C A 6: 57,581,074 (GRCm39) T258K probably damaging Het
Hip1r A G 5: 124,137,174 (GRCm39) Y678C probably damaging Het
Ifne A T 4: 88,798,243 (GRCm39) N58K probably damaging Het
Ighv1-26 A T 12: 114,752,163 (GRCm39) H60Q possibly damaging Het
Ints1 A G 5: 139,746,520 (GRCm39) F1276L probably damaging Het
Itprid2 A T 2: 79,466,416 (GRCm39) D82V probably damaging Het
Kcnc4 T A 3: 107,366,100 (GRCm39) E36V probably benign Het
Kdm4c G A 4: 74,255,200 (GRCm39) V585M probably damaging Het
Klhl26 C T 8: 70,905,592 (GRCm39) R106H probably damaging Het
Kmo T C 1: 175,481,221 (GRCm39) F313S probably damaging Het
Lmtk3 T A 7: 45,443,740 (GRCm39) S808T unknown Het
Lrch3 A G 16: 32,815,363 (GRCm39) T585A probably benign Het
Lrch4 T A 5: 137,637,977 (GRCm39) H86Q Het
Map3k20 A G 2: 72,195,062 (GRCm39) D113G probably damaging Het
Mbd3l1 T C 9: 18,396,417 (GRCm39) S181P probably benign Het
Mccc2 T C 13: 100,104,241 (GRCm39) T303A probably benign Het
Med27 A G 2: 29,303,490 (GRCm39) R147G possibly damaging Het
Mrps5 T A 2: 127,437,762 (GRCm39) S196R possibly damaging Het
Muc21 GGGGTGGGCATAGATCCTGAGGCAGAGCTGGATGCAGTGGTGGTCAGGGTGGG GGGGTGGG 17: 35,932,935 (GRCm39) probably benign Het
Myo16 A T 8: 10,526,185 (GRCm39) probably null Het
Nudt2 A T 4: 41,477,575 (GRCm39) M19L probably benign Het
Pcdha11 C T 18: 37,146,245 (GRCm39) P779S probably benign Het
Phykpl A G 11: 51,489,530 (GRCm39) T379A probably benign Het
Plekha8 A C 6: 54,601,206 (GRCm39) M270L probably benign Het
Plekhg5 A G 4: 152,192,885 (GRCm39) H593R probably benign Het
Polr2a T C 11: 69,637,196 (GRCm39) N293S possibly damaging Het
Pramel32 G A 4: 88,548,184 (GRCm39) P74S probably benign Het
Prex2 T A 1: 11,232,532 (GRCm39) N866K probably benign Het
Psme4 A T 11: 30,757,790 (GRCm39) I308L probably benign Het
Ptprb T C 10: 116,177,309 (GRCm39) V1003A probably benign Het
Rbbp8 T A 18: 11,865,269 (GRCm39) D719E probably damaging Het
Rnaset2b A T 17: 7,259,166 (GRCm39) D144V probably benign Het
Senp6 T G 9: 80,033,481 (GRCm39) D662E probably damaging Het
Serpinb3c T C 1: 107,200,817 (GRCm39) N200S possibly damaging Het
Serpinb9g C G 13: 33,672,543 (GRCm39) Y113* probably null Het
Sgf29 T C 7: 126,270,821 (GRCm39) I134T probably benign Het
Sh3bp4 T G 1: 89,080,824 (GRCm39) probably null Het
Stab1 G A 14: 30,862,783 (GRCm39) L2243F probably damaging Het
Sympk T C 7: 18,769,770 (GRCm39) V149A probably benign Het
Syt3 C T 7: 44,041,953 (GRCm39) Q271* probably null Het
Tas2r109 A G 6: 132,957,663 (GRCm39) I89T probably benign Het
Tgif1 A G 17: 71,151,847 (GRCm39) S255P probably damaging Het
Tm9sf1 G A 14: 55,875,432 (GRCm39) probably benign Het
Tnf A G 17: 35,419,347 (GRCm39) F161S possibly damaging Het
Topaz1 T A 9: 122,579,428 (GRCm39) S779R possibly damaging Het
Topors A G 4: 40,260,540 (GRCm39) S915P unknown Het
Tpm4 C T 8: 72,900,321 (GRCm39) L161F probably damaging Het
Trim38 C T 13: 23,975,384 (GRCm39) T441I probably damaging Het
Trpv1 A G 11: 73,141,620 (GRCm39) M548V probably benign Het
Vmn2r68 T A 7: 84,883,042 (GRCm39) T237S probably benign Het
Zc3hav1 A G 6: 38,309,209 (GRCm39) S538P probably benign Het
Zfp541 C T 7: 15,813,294 (GRCm39) T649I 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
R7291:Kcnq2 UTSW 2 180,730,172 (GRCm39) missense possibly damaging 0.69
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'- GCTACAGCCTATCCATATACAGGG -3'
(R):5'- GGCTCCTGATTGGGATCACTAG -3'

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