Incidental Mutation 'R3826:Kcnq2'
ID 275386
Institutional Source Beutler Lab
Gene Symbol Kcnq2
Ensembl Gene ENSMUSG00000016346
Gene Name potassium voltage-gated channel, subfamily Q, member 2
Synonyms Nmf134, KQT2
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R3826 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 180717372-180777093 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 180746693 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 369 (V369I)
Ref Sequence ENSEMBL: ENSMUSP00000052453 (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 possibly damaging
Transcript: ENSMUST00000016491
AA Change: V369I

PolyPhen 2 Score 0.564 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000016491
Gene: ENSMUSG00000016346
AA Change: V369I

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: V369I

PolyPhen 2 Score 0.564 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000052453
Gene: ENSMUSG00000016346
AA Change: V369I

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: V369I

PolyPhen 2 Score 0.096 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000080243
Gene: ENSMUSG00000016346
AA Change: V369I

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: V369I

PolyPhen 2 Score 0.208 (Sensitivity: 0.92; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000099336
Gene: ENSMUSG00000016346
AA Change: V369I

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: V369I

PolyPhen 2 Score 0.408 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000099337
Gene: ENSMUSG00000016346
AA Change: V369I

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: V312I
SMART Domains Protein: ENSMUSP00000099338
Gene: ENSMUSG00000016346
AA Change: V312I

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: V369I
SMART Domains Protein: ENSMUSP00000099339
Gene: ENSMUSG00000016346
AA Change: V369I

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: V369I

PolyPhen 2 Score 0.428 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000122915
Gene: ENSMUSG00000016346
AA Change: V369I

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 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 probably benign
Transcript: ENSMUST00000103051
AA Change: V369I

PolyPhen 2 Score 0.318 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000099340
Gene: ENSMUSG00000016346
AA Change: V369I

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: V255I

PolyPhen 2 Score 0.109 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000123488
Gene: ENSMUSG00000016346
AA Change: V255I

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: 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
Predicted Effect probably benign
Transcript: ENSMUST00000197015
AA Change: V369I

PolyPhen 2 Score 0.050 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000143263
Gene: ENSMUSG00000016346
AA Change: V369I

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 unknown
Transcript: ENSMUST00000197599
AA Change: V87I
Predicted Effect noncoding transcript
Transcript: ENSMUST00000123336
SMART Domains Protein: ENSMUSP00000130700
Gene: ENSMUSG00000016346

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 2.2e-30 PFAM
Pfam:Ion_trans_2 237 317 1.6e-15 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000154164
SMART Domains Protein: ENSMUSP00000131544
Gene: ENSMUSG00000016346

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 312 1.4e-29 PFAM
Pfam:Ion_trans_2 237 317 7.8e-15 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000140789
Predicted Effect noncoding transcript
Transcript: ENSMUST00000129361
SMART Domains Protein: ENSMUSP00000131756
Gene: ENSMUSG00000016346

DomainStartEndE-ValueType
transmembrane domain 93 115 N/A INTRINSIC
Pfam:Ion_trans 128 310 7.6e-29 PFAM
Pfam:Ion_trans_2 237 311 2.9e-14 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000145861
Meta Mutation Damage Score 0.1795 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.8%
  • 10x: 97.7%
  • 20x: 96.3%
Validation Efficiency 100% (56/56)
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: 56 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl2fm1 T A 3: 59,843,896 (GRCm39) S197T possibly damaging Het
Actl6b T C 5: 137,565,535 (GRCm39) L377P probably damaging Het
Apc C A 18: 34,412,388 (GRCm39) Q236K possibly damaging Het
Atn1 G A 6: 124,723,182 (GRCm39) probably benign Het
Ccr3 A G 9: 123,829,714 (GRCm39) T350A possibly damaging Het
Cdc42bpg T C 19: 6,367,675 (GRCm39) V1015A probably damaging Het
Chd2 A G 7: 73,141,163 (GRCm39) Y577H possibly damaging Het
Col1a2 A G 6: 4,516,960 (GRCm39) probably benign Het
Col4a1 C A 8: 11,259,650 (GRCm39) G1341V probably damaging Het
Commd9 C A 2: 101,727,486 (GRCm39) N93K probably benign Het
Cplane2 C T 4: 140,945,900 (GRCm39) R148C probably damaging Het
Cx3cl1 A T 8: 95,503,934 (GRCm39) probably benign Het
Dhx37 T C 5: 125,508,677 (GRCm39) K86R probably benign Het
Dlec1 T C 9: 118,972,129 (GRCm39) probably benign Het
Dnah17 G A 11: 117,931,984 (GRCm39) probably benign Het
Fam234a T C 17: 26,437,163 (GRCm39) E172G probably benign Het
Ffar2 A T 7: 30,519,510 (GRCm39) I10N possibly damaging Het
Gas2 T C 7: 51,586,367 (GRCm39) probably null Het
Gpat4 G A 8: 23,670,171 (GRCm39) P286L probably damaging Het
Grpel1 T A 5: 36,626,827 (GRCm39) N36K probably benign Het
Hgfac C A 5: 35,205,506 (GRCm39) D595E probably damaging Het
Kcnj10 A T 1: 172,197,616 (GRCm39) S377C probably damaging Het
Kcnt1 T C 2: 25,805,880 (GRCm39) probably null Het
Lpcat1 T C 13: 73,637,212 (GRCm39) I114T possibly damaging Het
Mast4 G T 13: 102,875,319 (GRCm39) H1350N probably damaging Het
Mcts1 T C X: 37,691,445 (GRCm39) probably benign Het
Muc21 A G 17: 35,932,504 (GRCm39) probably benign Het
Myg1 G C 15: 102,246,171 (GRCm39) G349R probably damaging Het
Ncor2 T C 5: 125,195,756 (GRCm39) probably benign Het
Or1o4 T A 17: 37,591,140 (GRCm39) Y57F probably damaging Het
Or5t17 T A 2: 86,832,388 (GRCm39) I25K probably damaging Het
Or9g4b C T 2: 85,616,559 (GRCm39) R235* probably null Het
Panx2 A G 15: 88,952,664 (GRCm39) D377G probably damaging Het
Pcdhb10 C A 18: 37,545,470 (GRCm39) T182N probably damaging Het
Pdha2 G T 3: 140,916,889 (GRCm39) F206L possibly damaging Het
Pgd T C 4: 149,250,461 (GRCm39) probably benign Het
Pgs1 C T 11: 117,910,584 (GRCm39) probably null Het
Rere T C 4: 150,554,785 (GRCm39) V161A probably benign Het
Rgs12 G A 5: 35,123,359 (GRCm39) V381M possibly damaging Het
Rrm2 G T 12: 24,758,598 (GRCm39) A47S probably benign Het
Rsph6a T C 7: 18,791,539 (GRCm39) L236P probably damaging Het
Rtkn2 A T 10: 67,833,456 (GRCm39) probably null Het
Rubcnl C T 14: 75,269,665 (GRCm39) L108F possibly damaging Het
Sap18b T C 8: 96,552,185 (GRCm39) F65S probably damaging Het
Scap A G 9: 110,210,365 (GRCm39) M925V probably benign Het
Slc7a8 A G 14: 54,975,029 (GRCm39) I200T probably damaging Het
Srrm3 A G 5: 135,886,068 (GRCm39) D336G probably damaging Het
Stk11 T C 10: 79,963,782 (GRCm39) probably null Het
Tiam2 C G 17: 3,557,976 (GRCm39) probably benign Het
Tmem59l A G 8: 70,939,951 (GRCm39) L6S unknown Het
Trio T A 15: 27,833,156 (GRCm39) K75N probably damaging Het
Tspan18 T C 2: 93,050,453 (GRCm39) I57V probably benign Het
Ube3b C A 5: 114,538,012 (GRCm39) Q368K probably damaging Het
Zfhx4 A T 3: 5,466,269 (GRCm39) K2142N probably damaging Het
Zfp37 T C 4: 62,110,800 (GRCm39) N88S probably benign Het
Zswim8 C T 14: 20,761,157 (GRCm39) R142* probably null 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
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'- TTGGAGTGGGGAATCACAAC -3'
(R):5'- GGGCAGCATGCTTGTACTAC -3'

Sequencing Primer
(F):5'- TGGGGAATCACAACACAATGTAC -3'
(R):5'- CTACAAGGTTAAACTGATGCTGTGG -3'
Posted On 2015-04-02