Incidental Mutation 'R5070:Kcna2'
ID388626
Institutional Source Beutler Lab
Gene Symbol Kcna2
Ensembl Gene ENSMUSG00000040724
Gene Namepotassium voltage-gated channel, shaker-related subfamily, member 2
SynonymsMk-2, Akr6a4, Kca1-2, Kv1.2
MMRRC Submission 042660-MU
Accession Numbers
Is this an essential gene? Essential (E-score: 1.000) question?
Stock #R5070 (G1)
Quality Score225
Status Not validated
Chromosome3
Chromosomal Location107101146-107115005 bp(+) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) T to A at 107104637 bp
ZygosityHeterozygous
Amino Acid Change Valine to Aspartic acid at position 178 (V178D)
Ref Sequence ENSEMBL: ENSMUSP00000143798 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000038695] [ENSMUST00000196403] [ENSMUST00000197470]
Predicted Effect probably damaging
Transcript: ENSMUST00000038695
AA Change: V178D

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000041702
Gene: ENSMUSG00000040724
AA Change: V178D

DomainStartEndE-ValueType
BTB 33 133 1.2e-9 SMART
Pfam:Ion_trans 162 421 6.2e-53 PFAM
Pfam:Ion_trans_2 329 414 4.9e-16 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000196403
AA Change: V178D

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000142873
Gene: ENSMUSG00000040724
AA Change: V178D

DomainStartEndE-ValueType
BTB 33 133 1.2e-9 SMART
low complexity region 164 179 N/A INTRINSIC
Pfam:Ion_trans 224 409 1.3e-36 PFAM
Pfam:Ion_trans_2 329 414 7.9e-16 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000197470
AA Change: V178D

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000143798
Gene: ENSMUSG00000040724
AA Change: V178D

DomainStartEndE-ValueType
BTB 33 133 1.2e-9 SMART
Pfam:Ion_trans 162 421 6.2e-53 PFAM
Pfam:Ion_trans_2 329 414 4.9e-16 PFAM
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.6%
  • 20x: 93.0%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Potassium channels represent the most complex class of voltage-gated ion channels from both functional and structural standpoints. Their diverse functions include regulating neurotransmitter release, heart rate, insulin secretion, neuronal excitability, epithelial electrolyte transport, smooth muscle contraction, and cell volume. Four sequence-related potassium channel genes - shaker, shaw, shab, and shal - have been identified in Drosophila, and each has been shown to have human homolog(s). This gene encodes a member of the potassium channel, voltage-gated, shaker-related subfamily. This member contains six membrane-spanning domains with a shaker-type repeat in the fourth segment. It belongs to the delayed rectifier class, members of which allow nerve cells to efficiently repolarize following an action potential. The coding region of this gene is intronless, and the gene is clustered with genes KCNA3 and KCNA10 on chromosome 1. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a null allele exhibit postnatal lethality, increased susceptibility to spontaneous and chemically-induced seizures and altered neuron electrophysiology. Mice homozygous for an ENU-induced allele exhibit abnormal gait, impaired coordination, and premature lethality. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 114 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1810041L15Rik G T 15: 84,420,163 A14E possibly damaging Het
3425401B19Rik A G 14: 32,661,792 S739P possibly damaging Het
Acacb T C 5: 114,246,028 I2206T possibly damaging Het
Actn2 A G 13: 12,288,522 I464T possibly damaging Het
AI987944 C T 7: 41,375,324 G77D probably benign Het
Ankar T C 1: 72,680,210 probably null Het
Armc9 A T 1: 86,257,237 H670L probably benign Het
Arvcf A G 16: 18,398,986 Y412C probably damaging Het
Baiap3 A T 17: 25,249,108 C283S probably damaging Het
Bend3 A T 10: 43,493,685 E11D probably damaging Het
Birc6 C T 17: 74,565,972 R409C probably damaging Het
Cds2 T A 2: 132,302,088 Y4* probably null Het
Celsr1 G T 15: 85,939,134 P1691Q possibly damaging Het
Chmp1a A T 8: 123,206,315 V133E probably benign Het
Cnbd2 T C 2: 156,335,398 V92A probably damaging Het
Comp G A 8: 70,376,495 G272S probably benign Het
Csnk1a1 T A 18: 61,555,781 F11I probably benign Het
Ctse A G 1: 131,668,179 D203G probably damaging Het
Cyp1b1 T A 17: 79,710,611 M372L probably benign Het
Cyp2c66 T A 19: 39,163,470 S210T probably benign Het
Dnah1 G A 14: 31,282,418 P2385S probably benign Het
Dsp A C 13: 38,197,123 T2615P possibly damaging Het
Eif4g3 A G 4: 138,146,299 T682A probably benign Het
Enpp2 T C 15: 54,864,054 Y513C probably damaging Het
Ercc6 T C 14: 32,570,063 V1128A probably benign Het
Fam136b-ps C T 15: 31,276,716 probably benign Het
Fbxl7 T A 15: 26,789,554 H29L probably benign Het
Fbxw22 A G 9: 109,385,115 V211A probably benign Het
Frk A T 10: 34,484,284 K94* probably null Het
G0s2 T A 1: 193,272,562 E71D probably damaging Het
Gfpt1 A G 6: 87,053,745 probably null Het
Gga1 A G 15: 78,892,017 D420G possibly damaging Het
Gldc T C 19: 30,118,598 Q671R possibly damaging Het
Gpc6 A G 14: 117,186,769 T90A probably benign Het
Gucy2g C A 19: 55,229,787 V410F probably damaging Het
Ifnlr1 T C 4: 135,704,198 S233P probably benign Het
Ighv1-9 A T 12: 114,583,757 W55R probably damaging Het
Igsf10 T A 3: 59,328,293 H1489L probably benign Het
Il17re T C 6: 113,459,010 L39P probably damaging Het
Kcnk3 A G 5: 30,622,386 H260R possibly damaging Het
Kctd19 T C 8: 105,391,999 Y287C probably damaging Het
Klhl28 A T 12: 64,957,712 M9K probably benign Het
Lama2 A G 10: 27,350,251 probably null Het
Lrrc27 A T 7: 139,214,799 D26V probably damaging Het
Mcm4 A G 16: 15,625,570 S830P probably damaging Het
Mei1 T A 15: 82,077,603 C188S possibly damaging Het
Mettl13 C T 1: 162,545,899 R261H possibly damaging Het
Mex3a A T 3: 88,536,387 I257F probably damaging Het
Mib1 A G 18: 10,793,002 E646G probably damaging Het
Mier2 T C 10: 79,549,577 D139G probably benign Het
Mmp14 T A 14: 54,439,113 Y372N probably damaging Het
Mrvi1 A G 7: 110,925,312 S208P probably benign Het
Myh14 A G 7: 44,616,248 V1569A possibly damaging Het
Myo18b T C 5: 112,761,346 E1977G probably damaging Het
Myo3b T C 2: 70,253,112 L675P probably damaging Het
N4bp1 A G 8: 86,860,537 V591A probably damaging Het
Nedd9 C A 13: 41,316,598 V360L probably benign Het
Oit3 C T 10: 59,424,027 R518H probably damaging Het
Olfr1122 T G 2: 87,388,163 C153G probably damaging Het
Olfr1413 T A 1: 92,573,413 S81T probably damaging Het
Olfr171 A G 16: 19,624,992 I36T possibly damaging Het
Olfr342 T A 2: 36,527,766 M118K probably damaging Het
Olfr531 A G 7: 140,400,569 V159A probably benign Het
Olfr744 A G 14: 50,618,474 N84S probably benign Het
Olfr744 T A 14: 50,618,740 C173S probably damaging Het
Olfr749 C A 14: 50,737,074 L29F probably benign Het
Otx1 C A 11: 21,997,037 A91S probably damaging Het
Pask A T 1: 93,330,874 C251S probably damaging Het
Pdzk1 A T 3: 96,850,321 D31V probably benign Het
Pmfbp1 A T 8: 109,530,155 Q497L probably damaging Het
Pofut1 T C 2: 153,261,566 probably benign Het
Polr2h A G 16: 20,721,966 N95S probably damaging Het
Pou2f3 A G 9: 43,145,281 V93A possibly damaging Het
Ppfia1 G A 7: 144,514,473 Q446* probably null Het
Prkd1 A T 12: 50,394,622 L327* probably null Het
Prrt4 T C 6: 29,177,512 E86G probably benign Het
Psen2 T C 1: 180,228,857 I393V probably benign Het
Psma2 G A 13: 14,616,028 V20I probably benign Het
Qser1 C T 2: 104,787,282 V1062I possibly damaging Het
Rab11b G T 17: 33,748,881 A114D probably damaging Het
Rag1 A T 2: 101,642,311 W829R probably damaging Het
Rgl3 A G 9: 21,988,044 probably null Het
Rgs8 C T 1: 153,665,904 T3I probably damaging Het
Rnf17 T C 14: 56,505,928 V1317A probably damaging Het
Rps6kb2 A T 19: 4,163,228 D6E probably damaging Het
Skint5 T A 4: 113,795,538 I630F unknown Het
Skint7 T C 4: 111,984,134 L257P probably damaging Het
Slc11a1 G A 1: 74,385,184 A434T probably damaging Het
Slc5a8 A T 10: 88,886,598 I98F possibly damaging Het
Sorl1 T C 9: 42,031,818 K921E possibly damaging Het
Stub1 A G 17: 25,832,138 L90P probably damaging Het
Sycp1 A T 3: 102,920,565 S289T probably damaging Het
Taar7b T G 10: 24,000,461 S175A probably benign Het
Tead3 T C 17: 28,341,477 K51R probably benign Het
Tmed11 T A 5: 108,795,223 I30L probably benign Het
Tmem131 A G 1: 36,854,905 I139T probably damaging Het
Tmem191c A G 16: 17,277,695 Q206R probably null Het
Tph2 T A 10: 115,151,174 Y237F probably benign Het
Trim35 C T 14: 66,308,972 probably benign Het
Tsc22d1 T C 14: 76,418,310 I661T probably benign Het
Ttc27 T A 17: 74,799,342 H541Q probably damaging Het
Uqcrq A G 11: 53,430,127 probably null Het
Vmn1r215 T A 13: 23,076,496 S235R probably benign Het
Vmn1r70 T C 7: 10,634,398 V271A probably benign Het
Vps13a G A 19: 16,654,484 R2596C probably benign Het
Vwa7 G A 17: 35,024,190 V615I probably benign Het
Wdr90 T C 17: 25,846,333 T1650A probably damaging Het
Zbtb32 T A 7: 30,591,466 M135L probably benign Het
Zc2hc1c A G 12: 85,290,514 D315G probably benign Het
Zfc3h1 T A 10: 115,418,783 C1427* probably null Het
Zfp30 A G 7: 29,786,266 probably benign Het
Zfp428 T A 7: 24,515,125 D55E probably damaging Het
Zfyve26 A T 12: 79,255,361 N1820K probably damaging Het
Zw10 C A 9: 49,077,459 S675* probably null Het
Other mutations in Kcna2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00164:Kcna2 APN 3 107104630 missense probably damaging 1.00
IGL00711:Kcna2 APN 3 107104753 missense probably benign
IGL02380:Kcna2 APN 3 107104958 missense probably benign 0.00
grim UTSW 3 107105027 missense probably damaging 1.00
IGL03097:Kcna2 UTSW 3 107105399 missense probably benign 0.02
R0117:Kcna2 UTSW 3 107105354 missense probably damaging 1.00
R0200:Kcna2 UTSW 3 107105160 missense probably benign
R0463:Kcna2 UTSW 3 107105160 missense probably benign
R0472:Kcna2 UTSW 3 107105516 missense probably benign
R0662:Kcna2 UTSW 3 107105401 missense probably benign
R0746:Kcna2 UTSW 3 107105168 missense probably benign
R1838:Kcna2 UTSW 3 107104512 missense probably benign
R1847:Kcna2 UTSW 3 107105113 missense possibly damaging 0.54
R1912:Kcna2 UTSW 3 107105401 missense probably benign
R1966:Kcna2 UTSW 3 107104630 missense probably damaging 1.00
R1971:Kcna2 UTSW 3 107104824 missense probably damaging 1.00
R2419:Kcna2 UTSW 3 107104153 missense probably benign 0.21
R3796:Kcna2 UTSW 3 107105590 missense probably benign 0.37
R3830:Kcna2 UTSW 3 107104796 missense probably benign 0.04
R4273:Kcna2 UTSW 3 107105193 missense probably benign 0.00
R4570:Kcna2 UTSW 3 107104795 missense probably benign
R4662:Kcna2 UTSW 3 107105417 missense probably benign
R4756:Kcna2 UTSW 3 107105417 missense probably benign
R5054:Kcna2 UTSW 3 107104340 missense probably damaging 1.00
R5069:Kcna2 UTSW 3 107104637 missense probably damaging 1.00
R5126:Kcna2 UTSW 3 107104234 missense probably damaging 1.00
R5146:Kcna2 UTSW 3 107105498 missense probably benign 0.00
R5205:Kcna2 UTSW 3 107097146 unclassified probably benign
R5472:Kcna2 UTSW 3 107105309 missense possibly damaging 0.93
R6687:Kcna2 UTSW 3 107105027 missense probably damaging 1.00
R6689:Kcna2 UTSW 3 107105027 missense probably damaging 1.00
R7216:Kcna2 UTSW 3 107104793 missense probably damaging 0.99
R7304:Kcna2 UTSW 3 107104750 missense probably benign
R7538:Kcna2 UTSW 3 107104568 missense probably benign 0.31
R7585:Kcna2 UTSW 3 107105342 missense probably damaging 1.00
R7968:Kcna2 UTSW 3 107105144 missense possibly damaging 0.79
R8241:Kcna2 UTSW 3 107105022 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ATCCGGTTTTATGAGCTAGGAG -3'
(R):5'- GGTGAAGAAGCCAGCTTTGC -3'

Sequencing Primer
(F):5'- CCGGTTTTATGAGCTAGGAGAAGAAG -3'
(R):5'- TGGGACAGGCAAAGAATCTAACC -3'
Posted On2016-06-06