Incidental Mutation 'R5055:Kcnq2'
ID 390753
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 042645-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5055 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 180717372-180777093 bp(-) (GRCm39)
Type of Mutation intron
DNA Base Change (assembly) G to T at 180728554 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Gene Model predicted gene model for transcript(s): [ENSMUST00000016491] [ENSMUST00000049792] [ENSMUST00000081528] [ENSMUST00000103047] [ENSMUST00000103048] [ENSMUST00000103050] [ENSMUST00000129695] [ENSMUST00000103051] [ENSMUST00000149964] [ENSMUST00000197015]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000016491
SMART Domains Protein: ENSMUSP00000016491
Gene: ENSMUSG00000016346

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
SMART Domains Protein: ENSMUSP00000052453
Gene: ENSMUSG00000016346

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 benign
Transcript: ENSMUST00000103047
SMART Domains Protein: ENSMUSP00000099336
Gene: ENSMUSG00000016346

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
SMART Domains Protein: ENSMUSP00000099337
Gene: ENSMUSG00000016346

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 benign
Transcript: ENSMUST00000103049
SMART Domains Protein: ENSMUSP00000099338
Gene: ENSMUSG00000016346

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 probably benign
Transcript: ENSMUST00000103050
SMART Domains Protein: ENSMUSP00000099339
Gene: ENSMUSG00000016346

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: 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: ENSMUST00000152099
Predicted Effect probably benign
Transcript: ENSMUST00000129695
SMART Domains Protein: ENSMUSP00000123488
Gene: ENSMUSG00000016346

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
SMART Domains Protein: ENSMUSP00000099340
Gene: ENSMUSG00000016346

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: ENSMUST00000149964
SMART Domains Protein: ENSMUSP00000122915
Gene: ENSMUSG00000016346

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
SMART Domains Protein: ENSMUSP00000143263
Gene: ENSMUSG00000016346

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: 99.1%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 92.9%
Validation Efficiency 98% (84/86)
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: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam19 G A 11: 46,013,996 (GRCm39) V329I probably damaging Het
Adgrl3 C A 5: 81,794,398 (GRCm39) A541E possibly damaging Het
Agbl1 A T 7: 76,063,325 (GRCm39) I263F probably damaging Het
Ash1l T C 3: 88,930,519 (GRCm39) probably null Het
Bccip A G 7: 133,316,652 (GRCm39) T91A probably benign Het
Bnc1 A T 7: 81,624,163 (GRCm39) F355I probably damaging Het
Bpifa2 A T 2: 153,855,630 (GRCm39) D185V probably damaging Het
Capn8 T A 1: 182,399,526 (GRCm39) V89D probably damaging Het
Cfap46 A T 7: 139,241,106 (GRCm39) M421K probably damaging Het
Chd2 A T 7: 73,130,256 (GRCm39) L800M probably damaging Het
Chd4 A G 6: 125,077,949 (GRCm39) D137G possibly damaging Het
Crtap A G 9: 114,219,208 (GRCm39) Y154H probably benign Het
Ctdp1 T A 18: 80,499,303 (GRCm39) Q213L probably damaging Het
Cts6 T C 13: 61,344,164 (GRCm39) Y296C probably damaging Het
Daxx G T 17: 34,131,134 (GRCm39) V354F probably benign Het
Dnah2 A G 11: 69,411,599 (GRCm39) I341T possibly damaging Het
Epha2 A G 4: 141,036,380 (GRCm39) D272G probably benign Het
Etfa A G 9: 55,407,417 (GRCm39) V24A probably damaging Het
Fbxl7 C A 15: 26,553,022 (GRCm39) G82W probably damaging Het
Fcamr G A 1: 130,739,174 (GRCm39) C158Y probably damaging Het
Fyb1 A C 15: 6,614,630 (GRCm39) probably benign Het
Gars1 G A 6: 55,045,077 (GRCm39) R454H probably damaging Het
Ghsr T C 3: 27,426,421 (GRCm39) V159A probably benign Het
Glp1r A T 17: 31,137,861 (GRCm39) Q97H probably benign Het
Gm27047 T C 6: 130,606,909 (GRCm39) noncoding transcript Het
Igkv3-3 A C 6: 70,664,223 (GRCm39) I22L probably benign Het
Inpp5b G T 4: 124,636,824 (GRCm39) probably null Het
Ipo9 C A 1: 135,330,097 (GRCm39) E448* probably null Het
Itgb2l A T 16: 96,229,003 (GRCm39) I400N probably damaging Het
Kat6b T A 14: 21,567,062 (GRCm39) H40Q probably damaging Het
Kcna7 G A 7: 45,056,015 (GRCm39) R77H probably damaging Het
Klf7 T C 1: 64,118,439 (GRCm39) T53A probably benign Het
Kmt2a A G 9: 44,729,649 (GRCm39) probably benign Het
Lrp10 C T 14: 54,705,802 (GRCm39) R331C probably benign Het
Map4k5 A T 12: 69,878,332 (GRCm39) D289E probably benign Het
Mfsd4b2 A T 10: 39,799,773 (GRCm39) M43K possibly damaging Het
Msr1 T G 8: 40,076,997 (GRCm39) R138S possibly damaging Het
Myh7b G C 2: 155,474,293 (GRCm39) R1669S possibly damaging Het
Myh9 G A 15: 77,648,723 (GRCm39) A1711V probably benign Het
Myo18b A G 5: 113,023,083 (GRCm39) probably benign Het
Nampt A T 12: 32,883,120 (GRCm39) N102Y possibly damaging Het
Nell2 T C 15: 95,371,460 (GRCm39) I92V probably benign Het
Nes A G 3: 87,884,521 (GRCm39) N883D probably benign Het
Neurl3 T A 1: 36,312,463 (GRCm39) probably benign Het
Ocln T A 13: 100,675,930 (GRCm39) T188S probably benign Het
Or2ag20 T A 7: 106,464,937 (GRCm39) M250K probably damaging Het
Or5m10 T C 2: 85,717,585 (GRCm39) F147S probably benign Het
Parp14 T A 16: 35,664,733 (GRCm39) Q1305L probably benign Het
Pde3a C T 6: 141,433,682 (GRCm39) Q855* probably null Het
Pde4b T C 4: 102,052,311 (GRCm39) probably benign Het
Pdk2 T C 11: 94,930,242 (GRCm39) M65V probably benign Het
Phf21a T C 2: 92,182,201 (GRCm39) S377P probably damaging Het
Plcb2 T A 2: 118,548,703 (GRCm39) T408S probably benign Het
Ppp1r12b G T 1: 134,883,471 (GRCm39) A17E probably benign Het
Ppp6r2 A G 15: 89,167,152 (GRCm39) D789G probably benign Het
Prdm16 T C 4: 154,419,719 (GRCm39) M897V possibly damaging Het
Prss57 A G 10: 79,620,178 (GRCm39) probably null Het
Psd G T 19: 46,310,907 (GRCm39) L381I probably benign Het
Ptprq A T 10: 107,370,540 (GRCm39) D2050E probably benign Het
Rfc1 G T 5: 65,423,505 (GRCm39) N1034K probably damaging Het
Ryr3 C T 2: 112,661,504 (GRCm39) G1829S probably benign Het
Scaper T C 9: 55,767,003 (GRCm39) probably null Het
Scn5a A G 9: 119,351,632 (GRCm39) I783T probably damaging Het
Slc28a1 A G 7: 80,818,796 (GRCm39) N583S possibly damaging Het
Slc35e3 C T 10: 117,580,884 (GRCm39) G140D probably damaging Het
Slc6a9 G A 4: 117,725,347 (GRCm39) probably null Het
Sptlc1 A G 13: 53,496,218 (GRCm39) S376P probably benign Het
Sspo G A 6: 48,441,729 (GRCm39) C1913Y probably damaging Het
Taar7b A T 10: 23,876,845 (GRCm39) I337F possibly damaging Het
Tdpoz2 T A 3: 93,559,235 (GRCm39) I246F probably damaging Het
Trpa1 C T 1: 14,946,183 (GRCm39) V983M probably damaging Het
Trpm5 A T 7: 142,626,521 (GRCm39) M1112K probably benign Het
Tsbp1 G A 17: 34,667,770 (GRCm39) C154Y possibly damaging Het
Uso1 A T 5: 92,340,594 (GRCm39) K670I probably benign Het
Washc4 A G 10: 83,392,771 (GRCm39) D257G probably damaging Het
Wdr41 T A 13: 95,151,725 (GRCm39) probably null Het
Zbtb17 A G 4: 141,193,860 (GRCm39) Q668R possibly 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
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
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'- ACAGAAGCCCTATTTTCATCTTGTCAC -3'
(R):5'- TCCAGTCTGGGCATGAACAG -3'

Sequencing Primer
(F):5'- GCACATGCTGCTTCATGC -3'
(R):5'- ATGAACAGGGCCCTCCG -3'
Posted On 2016-06-06