Incidental Mutation 'R1776:Kcnq2'
ID 196999
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 039807-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1776 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 180717372-180777093 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 180742350 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Serine at position 394 (T394S)
Ref Sequence ENSEMBL: ENSMUSP00000052453 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000016491] [ENSMUST00000049792] [ENSMUST00000081528] [ENSMUST00000103047] [ENSMUST00000103048] [ENSMUST00000103050] [ENSMUST00000149964] [ENSMUST00000197015] [ENSMUST00000129695] [ENSMUST00000103051]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000016491
AA Change: T394S

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000016491
Gene: ENSMUSG00000016346
AA Change: T394S

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 benign
Transcript: ENSMUST00000049792
AA Change: T394S

PolyPhen 2 Score 0.006 (Sensitivity: 0.97; Specificity: 0.75)
SMART Domains Protein: ENSMUSP00000052453
Gene: ENSMUSG00000016346
AA Change: T394S

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
AA Change: T394S

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000080243
Gene: ENSMUSG00000016346
AA Change: T394S

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: T394S

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000099336
Gene: ENSMUSG00000016346
AA Change: T394S

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 benign
Transcript: ENSMUST00000103048
AA Change: T394S

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000099337
Gene: ENSMUSG00000016346
AA Change: T394S

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: T347S
SMART Domains Protein: ENSMUSP00000099338
Gene: ENSMUSG00000016346
AA Change: T347S

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: T404S
SMART Domains Protein: ENSMUSP00000099339
Gene: ENSMUSG00000016346
AA Change: T404S

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: T404S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000122915
Gene: ENSMUSG00000016346
AA Change: T404S

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 benign
Transcript: ENSMUST00000197015
AA Change: T394S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000143263
Gene: ENSMUSG00000016346
AA Change: T394S

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: ENSMUST00000129695
AA Change: T290S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000123488
Gene: ENSMUSG00000016346
AA Change: T290S

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: ENSMUST00000103051
AA Change: T404S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000099340
Gene: ENSMUSG00000016346
AA Change: T404S

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 unknown
Transcript: ENSMUST00000197599
AA Change: T112S
Predicted Effect noncoding transcript
Transcript: ENSMUST00000145861
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
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 97.4%
  • 3x: 96.8%
  • 10x: 94.9%
  • 20x: 91.3%
Validation Efficiency 98% (86/88)
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: 85 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930533K18Rik T C 10: 70,711,058 (GRCm39) noncoding transcript Het
9430097D07Rik T C 2: 32,464,767 (GRCm39) probably benign Het
A2m C G 6: 121,618,383 (GRCm39) F225L probably damaging Het
Adamts19 T A 18: 59,087,692 (GRCm39) I574N probably damaging Het
Ankfn1 T C 11: 89,417,300 (GRCm39) D104G possibly damaging Het
Ankhd1 T A 18: 36,780,361 (GRCm39) N1804K probably benign Het
Ankle1 G T 8: 71,861,918 (GRCm39) V474F probably damaging Het
Arfgap3 A G 15: 83,227,340 (GRCm39) V24A probably benign Het
Asph A T 4: 9,598,773 (GRCm39) S149R probably damaging Het
Cass4 A T 2: 172,269,615 (GRCm39) I568L probably benign Het
Cd84 A G 1: 171,700,317 (GRCm39) T145A possibly damaging Het
Cdx1 G A 18: 61,169,086 (GRCm39) A36V probably benign Het
Cep57 A T 9: 13,730,170 (GRCm39) S123T probably damaging Het
Clca3a2 T A 3: 144,519,681 (GRCm39) Q231L probably damaging Het
Clcnkb T C 4: 141,142,500 (GRCm39) probably benign Het
Crabp2 C A 3: 87,860,301 (GRCm39) T125K probably benign Het
Dennd3 A G 15: 73,426,950 (GRCm39) T776A possibly damaging Het
Dnajb6 T C 5: 29,990,091 (GRCm39) probably benign Het
Dsp T A 13: 38,380,593 (GRCm39) I1847N probably damaging Het
Dync1h1 T C 12: 110,599,362 (GRCm39) probably benign Het
Ecpas A G 4: 58,879,100 (GRCm39) I63T probably damaging Het
Fbn1 A C 2: 125,163,654 (GRCm39) F2067L possibly damaging Het
Fbxo16 T A 14: 65,532,835 (GRCm39) probably null Het
Gm3604 C A 13: 62,517,888 (GRCm39) G157* probably null Het
Gm5250 A G 1: 13,132,564 (GRCm39) noncoding transcript Het
Gpam A G 19: 55,067,007 (GRCm39) S503P possibly damaging Het
Herc4 T A 10: 63,099,950 (GRCm39) C124* probably null Het
Ift27 T C 15: 78,050,181 (GRCm39) D76G probably null Het
Igdcc3 C T 9: 65,090,034 (GRCm39) Q550* probably null Het
Igsf6 T A 7: 120,667,522 (GRCm39) I165F probably damaging Het
Il31ra T C 13: 112,677,773 (GRCm39) I173M probably damaging Het
Kbtbd6 G A 14: 79,690,045 (GRCm39) D247N probably benign Het
Mia2 A G 12: 59,196,361 (GRCm39) probably benign Het
Mvp T C 7: 126,591,933 (GRCm39) Q419R probably benign Het
Mylk A G 16: 34,773,152 (GRCm39) D1250G probably benign Het
Necab1 A G 4: 15,111,267 (GRCm39) Y54H probably damaging Het
Nlk T A 11: 78,477,853 (GRCm39) M297L probably benign Het
Nsl1 G T 1: 190,795,385 (GRCm39) M50I probably benign Het
Numa1 A G 7: 101,660,257 (GRCm39) T441A probably damaging Het
Ofd1 A G X: 165,189,002 (GRCm39) Y755H probably benign Het
Or10d1c G A 9: 38,894,190 (GRCm39) S50F probably damaging Het
Or6c69b C T 10: 129,627,000 (GRCm39) V153I probably benign Het
Or8b12i G A 9: 20,082,105 (GRCm39) T254I probably benign Het
Ovgp1 A T 3: 105,885,114 (GRCm39) H151L possibly damaging Het
Pigz G A 16: 31,763,397 (GRCm39) E152K probably damaging Het
Plxna1 A T 6: 89,312,446 (GRCm39) D779E probably benign Het
Ppil4 A T 10: 7,686,201 (GRCm39) E353V probably benign Het
Ptprq C T 10: 107,520,950 (GRCm39) G741S probably damaging Het
Rplp0 T C 5: 115,700,524 (GRCm39) Y231H probably benign Het
Rps24 A G 14: 24,541,830 (GRCm39) T6A probably damaging Het
Rundc3b T C 5: 8,629,050 (GRCm39) E117G probably damaging Het
Ryr2 A C 13: 11,760,062 (GRCm39) probably null Het
Ryr3 A T 2: 112,787,598 (GRCm39) M198K probably damaging Het
Sdhd T C 9: 50,508,500 (GRCm39) K122R probably benign Het
Senp2 T C 16: 21,861,810 (GRCm39) probably benign Het
Setd3 C A 12: 108,131,420 (GRCm39) G2V probably damaging Het
Sfxn5 A G 6: 85,244,927 (GRCm39) probably benign Het
She T A 3: 89,739,345 (GRCm39) S179T possibly damaging Het
Slc24a2 G A 4: 87,094,526 (GRCm39) T331I probably benign Het
Slc45a3 T C 1: 131,904,694 (GRCm39) W6R possibly damaging Het
Slc9a4 T C 1: 40,668,447 (GRCm39) S697P probably benign Het
Soat1 C T 1: 156,269,991 (GRCm39) V143I probably benign Het
Sp8 T A 12: 118,813,302 (GRCm39) F386I probably damaging Het
Spata31d1b A G 13: 59,864,381 (GRCm39) T510A probably benign Het
Srgap2 T A 1: 131,339,588 (GRCm39) I125F probably damaging Het
Stab2 T A 10: 86,793,680 (GRCm39) I472F possibly damaging Het
Taar7f C T 10: 23,925,546 (GRCm39) R47C probably benign Het
Tbc1d19 T A 5: 54,046,653 (GRCm39) probably null Het
Tbc1d21 T A 9: 58,274,011 (GRCm39) probably benign Het
Tcaf1 A G 6: 42,655,389 (GRCm39) I529T possibly damaging Het
Tgfbr2 A T 9: 116,004,035 (GRCm39) I24N possibly damaging Het
Tgm1 T C 14: 55,946,854 (GRCm39) T385A probably damaging Het
Tgm2 T C 2: 157,973,379 (GRCm39) N244S probably benign Het
Thoc5 T C 11: 4,864,517 (GRCm39) probably benign Het
Tmc2 A T 2: 130,076,789 (GRCm39) I372F probably damaging Het
Tnrc6a A G 7: 122,770,520 (GRCm39) D222G probably damaging Het
Trhde T G 10: 114,636,508 (GRCm39) N233T probably benign Het
Tstd3 T C 4: 21,759,475 (GRCm39) Y99C probably damaging Het
Ttc22 A T 4: 106,496,237 (GRCm39) D429V possibly damaging Het
Ugcg A G 4: 59,207,775 (GRCm39) N38S probably benign Het
Ush2a A G 1: 188,460,400 (GRCm39) I2554V possibly damaging Het
Usp16 A G 16: 87,276,204 (GRCm39) D513G probably damaging Het
Vip T C 10: 5,594,992 (GRCm39) probably null Het
Vmn1r4 A G 6: 56,934,023 (GRCm39) I176V probably benign Het
Zfp804b T C 5: 6,819,806 (GRCm39) T1050A 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
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
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'- GGAAATGCACTGCTGGGACACTAC -3'
(R):5'- GGGATAAAGACAGCCCTGGAGTTTG -3'

Sequencing Primer
(F):5'- GATGCCTGATCAAAGTTCACTC -3'
(R):5'- AGGTGTTCTGCACCCATGC -3'
Posted On 2014-05-23