Incidental Mutation 'R6084:Kcnq2'
ID 482363
Institutional Source Beutler Lab
Gene Symbol Kcnq2
Ensembl Gene ENSMUSG00000016346
Gene Name potassium voltage-gated channel, subfamily Q, member 2
Synonyms KQT2, Nmf134
MMRRC Submission 044243-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6084 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 181075579-181135300 bp(-) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) A to T at 181087656 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 490 (V490E)
Ref Sequence ENSEMBL: ENSMUSP00000052453 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000016491] [ENSMUST00000049792] [ENSMUST00000081528] [ENSMUST00000103047] [ENSMUST00000103048] [ENSMUST00000103050] [ENSMUST00000103051] [ENSMUST00000129695] [ENSMUST00000149964] [ENSMUST00000197015]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000016491
AA Change: V490E

PolyPhen 2 Score 0.534 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000016491
Gene: ENSMUSG00000016346
AA Change: V490E

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: V490E

PolyPhen 2 Score 0.534 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000052453
Gene: ENSMUSG00000016346
AA Change: V490E

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: V490E

PolyPhen 2 Score 0.440 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000080243
Gene: ENSMUSG00000016346
AA Change: V490E

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: V478E

PolyPhen 2 Score 0.397 (Sensitivity: 0.89; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000099336
Gene: ENSMUSG00000016346
AA Change: V478E

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: V490E

PolyPhen 2 Score 0.194 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000099337
Gene: ENSMUSG00000016346
AA Change: V490E

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: V442E
SMART Domains Protein: ENSMUSP00000099338
Gene: ENSMUSG00000016346
AA Change: V442E

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: V487E
SMART Domains Protein: ENSMUSP00000099339
Gene: ENSMUSG00000016346
AA Change: V487E

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: ENSMUST00000103051
AA Change: V500E

PolyPhen 2 Score 0.194 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000099340
Gene: ENSMUSG00000016346
AA Change: V500E

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: 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 probably benign
Transcript: ENSMUST00000129695
AA Change: V374E

PolyPhen 2 Score 0.194 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000123488
Gene: ENSMUSG00000016346
AA Change: V374E

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 noncoding transcript
Transcript: ENSMUST00000145861
Predicted Effect probably benign
Transcript: ENSMUST00000149964
AA Change: V518E

PolyPhen 2 Score 0.010 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000122915
Gene: ENSMUSG00000016346
AA Change: V518E

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 unknown
Transcript: ENSMUST00000197599
AA Change: V196E
Predicted Effect probably benign
Transcript: ENSMUST00000197015
AA Change: V490E

PolyPhen 2 Score 0.311 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000143263
Gene: ENSMUSG00000016346
AA Change: V490E

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 noncoding transcript
Transcript: ENSMUST00000152099
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.2%
  • 20x: 94.8%
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: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Arap2 T C 5: 62,670,954 D958G possibly damaging Het
Bag4 T C 8: 25,771,231 T161A probably benign Het
Bora A T 14: 99,062,294 Q234L possibly damaging Het
Cacna2d2 T C 9: 107,497,521 probably null Het
Cass4 G T 2: 172,426,912 A307S probably benign Het
Cbln4 A T 2: 172,042,096 V68E probably damaging Het
Cc2d2a T A 5: 43,668,673 N2K probably benign Het
Ccnf T A 17: 24,231,837 D389V probably damaging Het
Cdipt T C 7: 126,979,601 S161P probably benign Het
Ceacam19 T C 7: 19,882,887 I161V probably benign Het
Cfap65 A G 1: 74,920,405 I862T probably damaging Het
Cfi T A 3: 129,858,370 L230Q probably benign Het
Chac2 G A 11: 30,986,159 R30W probably damaging Het
Cmc2 G A 8: 116,889,827 probably benign Het
Col1a2 A T 6: 4,505,840 M1L probably benign Het
Cox8a C A 19: 7,217,418 R32L possibly damaging Het
Cubn T A 2: 13,430,897 N1083Y probably damaging Het
D430042O09Rik G A 7: 125,814,865 G394R probably benign Het
D630003M21Rik T C 2: 158,217,584 D132G probably damaging Het
Dedd2 G A 7: 25,211,290 P154S probably benign Het
Dnaaf3 T C 7: 4,524,213 D358G probably benign Het
Dysf T A 6: 84,019,604 F29L probably damaging Het
Dysf T C 6: 84,112,119 L888P probably damaging Het
Ebf4 A G 2: 130,309,723 D277G probably damaging Het
Ecm2 T A 13: 49,515,094 L91* probably null Het
Foxs1 T C 2: 152,932,842 D97G possibly damaging Het
Frs2 A C 10: 117,076,809 probably null Het
Gm6768 A G 12: 119,261,651 noncoding transcript Het
Grp A T 18: 65,879,937 D58V probably damaging Het
Hif1a T G 12: 73,941,842 F537C probably damaging Het
Icam4 G A 9: 21,029,539 S29N probably benign Het
Itfg1 T C 8: 85,726,170 E523G probably benign Het
Jph2 T C 2: 163,375,680 K359E probably damaging Het
Klhl18 C T 9: 110,428,727 M548I possibly damaging Het
Lpin3 A G 2: 160,895,801 Y197C probably benign Het
Lrp1 T C 10: 127,560,553 N2381D probably benign Het
Man1a A T 10: 53,919,211 W649R probably damaging Het
Map4 T C 9: 110,064,292 L542P probably damaging Het
Mboat2 A T 12: 24,878,285 H52L probably damaging Het
Mok C G 12: 110,814,946 S91T probably benign Het
Mtmr11 G T 3: 96,168,084 R360L probably damaging Het
Myt1l G A 12: 29,832,332 G509R unknown Het
Olfr1288 A T 2: 111,479,389 N202Y probably damaging Het
Olfr341 A G 2: 36,479,512 V206A probably benign Het
Olfr544 T C 7: 102,484,389 T244A probably damaging Het
Olfr67 C T 7: 103,787,955 M107I probably benign Het
Olfr836 A G 9: 19,121,327 D121G probably damaging Het
Olfr867 A T 9: 20,054,883 H75Q possibly damaging Het
Padi3 G T 4: 140,795,843 T292N probably damaging Het
Pard6g A C 18: 80,117,205 T178P possibly damaging Het
Pkd1l2 A T 8: 117,013,987 Y2124N probably damaging Het
Plxdc1 G A 11: 97,928,463 T398I probably damaging Het
Prickle2 A T 6: 92,416,848 C225* probably null Het
Prmt2 G A 10: 76,210,444 T317I probably benign Het
Psg22 T G 7: 18,719,780 N172K probably benign Het
Ptpn9 C T 9: 57,033,163 R196* probably null Het
Rap1b C T 10: 117,824,611 V14I probably damaging Het
Rapgef4 T A 2: 72,196,278 probably null Het
Rlf A T 4: 121,149,215 M856K possibly damaging Het
Rnf149 A G 1: 39,577,174 L34P probably benign Het
Rock1 T C 18: 10,101,007 E636G probably benign Het
Rsad2 A T 12: 26,454,123 Y136N probably damaging Het
Ryr3 T C 2: 112,908,493 H563R probably damaging Het
Slc18b1 A G 10: 23,804,212 M102V probably benign Het
Slc34a2 T A 5: 53,067,647 C377S possibly damaging Het
Slco1c1 T C 6: 141,546,770 V293A probably benign Het
Spidr A T 16: 16,140,024 S80T possibly damaging Het
Syne1 C T 10: 5,348,994 E1031K probably damaging Het
Synj2 G A 17: 6,017,614 V121I probably damaging Het
Synj2 A T 17: 6,038,098 T1430S probably damaging Het
Tecpr2 G T 12: 110,929,109 K343N probably damaging Het
Tmem132d T A 5: 127,784,100 I986F probably benign Het
Trib1 G A 15: 59,654,475 R298H probably damaging Het
Ttll10 T A 4: 156,045,357 D283V probably benign Het
Ttn T A 2: 76,814,779 K673* probably null Het
Ubqlnl T A 7: 104,148,698 M531L probably benign Het
Vmn2r120 A T 17: 57,525,721 W153R probably benign Het
Vmn2r2 A C 3: 64,117,046 S705A probably benign Het
Vmn2r32 T A 7: 7,464,210 D773V probably benign Het
Vmn2r54 T A 7: 12,632,278 Q243L probably damaging Het
Wdr24 C A 17: 25,824,530 R109S probably damaging Het
Zfp113 T C 5: 138,145,668 M107V probably benign Het
Zfp426 G T 9: 20,470,627 Q341K possibly damaging Het
Zfp616 A T 11: 74,083,846 K314* probably null Het
Other mutations in Kcnq2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01063:Kcnq2 APN 2 181109789 unclassified probably benign
IGL02064:Kcnq2 APN 2 181109026 missense probably damaging 1.00
IGL02231:Kcnq2 APN 2 181081715 missense probably benign 0.22
IGL02261:Kcnq2 APN 2 181081690 missense probably damaging 0.98
IGL02510:Kcnq2 APN 2 181081361 missense probably benign
IGL02583:Kcnq2 APN 2 181081502 missense probably benign 0.01
IGL02627:Kcnq2 APN 2 181082327 unclassified probably benign
IGL03303:Kcnq2 APN 2 181082389 missense probably benign
R0269:Kcnq2 UTSW 2 181096974 missense probably benign 0.00
R1535:Kcnq2 UTSW 2 181134825 missense probably damaging 1.00
R1688:Kcnq2 UTSW 2 181087033 missense probably damaging 1.00
R1776:Kcnq2 UTSW 2 181100557 missense probably benign 0.01
R1946:Kcnq2 UTSW 2 181088451 missense probably benign 0.09
R2105:Kcnq2 UTSW 2 181081352 missense probably benign 0.03
R2382:Kcnq2 UTSW 2 181112107 missense probably damaging 1.00
R2912:Kcnq2 UTSW 2 181081774 missense probably damaging 1.00
R3826:Kcnq2 UTSW 2 181104900 missense possibly damaging 0.56
R3898:Kcnq2 UTSW 2 181109686 missense probably damaging 0.97
R4282:Kcnq2 UTSW 2 181081153 missense probably damaging 1.00
R4938:Kcnq2 UTSW 2 181086973 missense probably damaging 0.96
R4962:Kcnq2 UTSW 2 181112043 missense possibly damaging 0.59
R5055:Kcnq2 UTSW 2 181086761 intron probably benign
R5107:Kcnq2 UTSW 2 181108547 intron probably benign
R5371:Kcnq2 UTSW 2 181135020 missense probably damaging 1.00
R5557:Kcnq2 UTSW 2 181134897 missense probably benign 0.07
R5839:Kcnq2 UTSW 2 181109751 missense probably damaging 1.00
R5998:Kcnq2 UTSW 2 181087008 missense probably damaging 1.00
R6207:Kcnq2 UTSW 2 181113233 missense possibly damaging 0.49
R6744:Kcnq2 UTSW 2 181085306 missense possibly damaging 0.94
R7018:Kcnq2 UTSW 2 181081724 nonsense probably null
R7266:Kcnq2 UTSW 2 181135092 start codon destroyed probably null 0.92
R7291:Kcnq2 UTSW 2 181088379 missense possibly damaging 0.69
R7319:Kcnq2 UTSW 2 181109102 missense probably damaging 1.00
R7447:Kcnq2 UTSW 2 181113094 missense probably damaging 0.97
R7573:Kcnq2 UTSW 2 181081589 missense probably benign 0.04
R7897:Kcnq2 UTSW 2 181081141 missense probably damaging 1.00
R8942:Kcnq2 UTSW 2 181082451 missense probably damaging 1.00
R9381:Kcnq2 UTSW 2 181109769 missense probably damaging 0.97
R9394:Kcnq2 UTSW 2 181082424 missense probably benign
R9516:Kcnq2 UTSW 2 181134960 missense probably benign 0.00
R9544:Kcnq2 UTSW 2 181087614 missense probably damaging 1.00
R9592:Kcnq2 UTSW 2 181087020 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CCCGTAGCTACAGCCTTTGATG -3'
(R):5'- TCTCATGCTGTCCAGGCAATAG -3'
Posted On 2017-07-14