Incidental Mutation 'R7573:Kcnq2'
ID 586134
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 045659-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7573 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 180717372-180777093 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 180723382 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 693 (S693P)
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: S701P

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000016491
Gene: ENSMUSG00000016346
AA Change: S701P

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: S696P

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000052453
Gene: ENSMUSG00000016346
AA Change: S696P

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 benign
Transcript: ENSMUST00000081528
SMART Domains Protein: ENSMUSP00000080243
Gene: ENSMUSG00000016346

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: S689P

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000099336
Gene: ENSMUSG00000016346
AA Change: S689P

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: S665P

PolyPhen 2 Score 0.970 (Sensitivity: 0.77; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000099337
Gene: ENSMUSG00000016346
AA Change: S665P

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: S617P

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: S662P

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 benign
Transcript: ENSMUST00000149964
AA Change: S693P

PolyPhen 2 Score 0.039 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000122915
Gene: ENSMUSG00000016346
AA Change: S693P

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: S675P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099340
Gene: ENSMUSG00000016346
AA Change: S675P

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: S549P

PolyPhen 2 Score 0.970 (Sensitivity: 0.77; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000123488
Gene: ENSMUSG00000016346
AA Change: S549P

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: S665P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143263
Gene: ENSMUSG00000016346
AA Change: S665P

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 benign
Transcript: ENSMUST00000197599
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 99% (80/81)
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: 80 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700003H04Rik T A 3: 124,366,917 (GRCm39) I49F Het
1810055G02Rik T A 19: 3,765,728 (GRCm39) M1K probably null Het
Abcb1b G A 5: 8,878,866 (GRCm39) C750Y possibly damaging Het
Abi2 T A 1: 60,509,867 (GRCm39) V412D probably benign Het
Alk C T 17: 72,207,787 (GRCm39) V983M probably damaging Het
Alppl2 A T 1: 87,015,953 (GRCm39) W266R possibly damaging Het
Arhgef18 A G 8: 3,434,918 (GRCm39) R188G probably damaging Het
Atp2c2 A T 8: 120,478,008 (GRCm39) D695V probably damaging Het
B3gnt4 A T 5: 123,648,718 (GRCm39) I28L probably benign Het
C2cd3 A G 7: 100,068,914 (GRCm39) D536G Het
Cacna1c A G 6: 118,581,406 (GRCm39) S1733P Het
Cacna1e T C 1: 154,601,911 (GRCm39) probably benign Het
Capns1 A G 7: 29,891,960 (GRCm39) F101L probably damaging Het
Ccdc180 A G 4: 45,922,015 (GRCm39) T1030A probably benign Het
Cdh23 T C 10: 60,159,329 (GRCm39) T2151A probably benign Het
Cenpe T A 3: 134,953,220 (GRCm39) L1558Q probably damaging Het
Cfap157 T C 2: 32,667,520 (GRCm39) H521R probably benign Het
Crygs T A 16: 22,624,069 (GRCm39) *179C probably null Het
Ctsb T C 14: 63,375,550 (GRCm39) V172A probably benign Het
Cul9 T C 17: 46,830,836 (GRCm39) T1686A probably benign Het
Cutc T C 19: 43,748,382 (GRCm39) V95A probably benign Het
Cxcl3 A G 5: 90,934,105 (GRCm39) T26A probably benign Het
Dnah9 A G 11: 66,016,041 (GRCm39) V400A probably benign Het
Dysf A T 6: 84,107,104 (GRCm39) N1139I possibly damaging Het
Fam136a G A 6: 86,343,667 (GRCm39) E55K probably benign Het
Fam151a A G 4: 106,600,502 (GRCm39) D179G probably damaging Het
Fam178b T C 1: 36,671,533 (GRCm39) D196G probably damaging Het
Fut9 A T 4: 25,620,691 (GRCm39) M41K probably benign Het
Gm9195 T C 14: 72,694,122 (GRCm39) Q1531R probably null Het
Gpr6 A T 10: 40,946,868 (GRCm39) V238D probably damaging Het
Hoxa2 A T 6: 52,140,283 (GRCm39) S234R probably benign Het
Itga4 A G 2: 79,103,337 (GRCm39) T143A probably benign Het
Kif13b A G 14: 65,041,107 (GRCm39) I1732V probably benign Het
Klhl14 A G 18: 21,785,211 (GRCm39) V72A probably benign Het
Krt1c T A 15: 101,722,954 (GRCm39) D348V probably benign Het
Map4k2 A T 19: 6,394,094 (GRCm39) E300D probably benign Het
Mars1 A G 10: 127,138,679 (GRCm39) probably null Het
Mpo A G 11: 87,688,403 (GRCm39) D354G probably benign Het
Mrpl15 T C 1: 4,847,778 (GRCm39) T174A probably damaging Het
Myom2 G A 8: 15,172,450 (GRCm39) C1183Y probably damaging Het
Nfkb2 C A 19: 46,297,082 (GRCm39) Q336K possibly damaging Het
Nlrp2 A G 7: 5,320,468 (GRCm39) probably null Het
Nlrp9b T C 7: 19,753,125 (GRCm39) L10P probably damaging Het
Nrip2 A G 6: 128,377,232 (GRCm39) S53G probably benign Het
Or13a22 G A 7: 140,072,912 (GRCm39) M120I probably damaging Het
Or4k36 T C 2: 111,146,277 (GRCm39) I151T probably benign Het
Or52a5b A G 7: 103,416,677 (GRCm39) M309T probably benign Het
Or52z13 C T 7: 103,246,735 (GRCm39) L71F probably benign Het
Or8b54 A T 9: 38,686,791 (GRCm39) K80I probably damaging Het
Or8g18 C T 9: 39,148,977 (GRCm39) V248I probably benign Het
Pak5 A G 2: 135,958,225 (GRCm39) S288P probably damaging Het
Pjvk T C 2: 76,487,809 (GRCm39) F234L probably benign Het
Plekhm2 T C 4: 141,358,658 (GRCm39) N616D probably benign Het
Pnkp C T 7: 44,506,852 (GRCm39) R9C probably damaging Het
Prom1 A G 5: 44,213,272 (GRCm39) C154R probably damaging Het
Rab3gap2 T A 1: 185,014,579 (GRCm39) W1243R probably benign Het
Rad17 C T 13: 100,765,974 (GRCm39) A385T probably damaging Het
Rasgrp1 T C 2: 117,118,424 (GRCm39) I522V probably damaging Het
Rnf213 T C 11: 119,349,310 (GRCm39) C3804R Het
Ros1 T A 10: 52,046,072 (GRCm39) T153S probably benign Het
Sema4g T C 19: 44,986,010 (GRCm39) S284P probably damaging Het
Septin9 C T 11: 117,090,571 (GRCm39) probably benign Het
Slc2a9 T C 5: 38,574,569 (GRCm39) S236G probably damaging Het
Slc9c1 T C 16: 45,398,256 (GRCm39) F674L probably benign Het
Slfn5 A T 11: 82,849,585 (GRCm39) K361N probably damaging Het
Smad6 A G 9: 63,929,052 (GRCm39) L88S unknown Het
Smarca4 T A 9: 21,550,371 (GRCm39) probably null Het
Smg7 A T 1: 152,735,240 (GRCm39) N198K probably damaging Het
Sorcs1 G A 19: 50,141,234 (GRCm39) Q1166* probably null Het
Stap1 A G 5: 86,238,854 (GRCm39) N212S possibly damaging Het
Tbx2 C G 11: 85,724,138 (GRCm39) A69G possibly damaging Het
Tmc1 C A 19: 20,884,372 (GRCm39) D23Y probably damaging Het
Tmf1 A T 6: 97,135,455 (GRCm39) D940E probably benign Het
Trim27 T A 13: 21,364,770 (GRCm39) C36S probably damaging Het
Unc80 G A 1: 66,560,696 (GRCm39) G808D probably damaging Het
Usp17ld G T 7: 102,900,094 (GRCm39) Y279* probably null Het
Usp40 G A 1: 87,913,794 (GRCm39) A433V probably benign Het
Vmn1r49 G A 6: 90,049,843 (GRCm39) A53V probably benign Het
Vmn1r84 T C 7: 12,095,787 (GRCm39) N302S probably benign Het
Wfdc2 A T 2: 164,407,741 (GRCm39) I137L 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
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
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'- CTCAAGAACTCGGTACTGGC -3'
(R):5'- TGTCCATGGAAAAGAAGCTCG -3'

Sequencing Primer
(F):5'- AAGAACTCGGTACTGGCTCTGTTG -3'
(R):5'- GACTTCTTGGTGAGCATCTATACAC -3'
Posted On 2019-10-24