Incidental Mutation 'R5054:Kcna2'
ID 390691
Institutional Source Beutler Lab
Gene Symbol Kcna2
Ensembl Gene ENSMUSG00000040724
Gene Name potassium voltage-gated channel, shaker-related subfamily, member 2
Synonyms Akr6a4, Kca1-2, Kv1.2, Mk-2
MMRRC Submission 042644-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5054 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 107008462-107022321 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 107011656 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 79 (D79V)
Ref Sequence ENSEMBL: ENSMUSP00000143798 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000038695] [ENSMUST00000196403] [ENSMUST00000197470]
AlphaFold P63141
Predicted Effect probably damaging
Transcript: ENSMUST00000038695
AA Change: D79V

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000041702
Gene: ENSMUSG00000040724
AA Change: D79V

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: D79V

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000142873
Gene: ENSMUSG00000040724
AA Change: D79V

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: D79V

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143798
Gene: ENSMUSG00000040724
AA Change: D79V

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
Meta Mutation Damage Score 0.9618 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.9%
  • 20x: 94.1%
Validation Efficiency 94% (67/71)
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: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4921517D22Rik A G 13: 59,837,315 (GRCm39) Y257H probably damaging Het
Adam28 C T 14: 68,855,164 (GRCm39) C659Y probably damaging Het
Adamtsl2 G A 2: 26,991,732 (GRCm39) E627K probably damaging Het
Atad5 T A 11: 79,985,502 (GRCm39) S196R probably benign Het
Bcam T A 7: 19,490,785 (GRCm39) probably benign Het
Birc6 A G 17: 74,962,320 (GRCm39) H3978R probably damaging Het
Btbd7 T C 12: 102,804,471 (GRCm39) I190V probably benign Het
Ccdc8 T C 7: 16,728,970 (GRCm39) V153A probably damaging Het
Cyp2a5 C G 7: 26,540,529 (GRCm39) R68G probably damaging Het
Dock3 T C 9: 106,815,105 (GRCm39) Y1254C probably damaging Het
Dync2h1 T C 9: 7,085,007 (GRCm39) E2794G possibly damaging Het
Dytn C A 1: 63,700,318 (GRCm39) V271L possibly damaging Het
Eif1ad15 T C 12: 88,288,071 (GRCm39) I61V probably benign Het
Eif2s2 A C 2: 154,734,590 (GRCm39) probably null Het
Fndc7 A G 3: 108,788,663 (GRCm39) S193P probably damaging Het
Fzr1 G A 10: 81,207,253 (GRCm39) probably benign Het
Gm17472 T C 6: 42,957,938 (GRCm39) I69T probably damaging Het
Gmppa C A 1: 75,416,015 (GRCm39) Y137* probably null Het
Gpr45 A G 1: 43,071,809 (GRCm39) I151V probably benign Het
H1f0 G A 15: 78,912,973 (GRCm39) A18T probably damaging Het
Hbb-bh1 C T 7: 103,491,063 (GRCm39) V114I probably benign Het
Impa2 C A 18: 67,439,797 (GRCm39) P98Q probably damaging Het
Kazn T C 4: 141,835,957 (GRCm39) N573D unknown Het
Kcna7 G A 7: 45,056,015 (GRCm39) R77H probably damaging Het
Kif13a A G 13: 46,956,122 (GRCm39) Y561H probably damaging Het
Klk14 G A 7: 43,341,501 (GRCm39) C51Y probably damaging Het
Klra1 T A 6: 130,352,247 (GRCm39) Q165L probably damaging Het
Mat2b T A 11: 40,570,869 (GRCm39) R318S probably damaging Het
Mgat4d G A 8: 84,094,837 (GRCm39) probably null Het
Mtor T A 4: 148,641,312 (GRCm39) probably null Het
Nostrin A T 2: 69,006,057 (GRCm39) Q247L possibly damaging Het
Obi1 C T 14: 104,745,466 (GRCm39) G70E probably damaging Het
Obscn T C 11: 58,964,443 (GRCm39) E3033G probably damaging Het
Pam C A 1: 97,749,642 (GRCm39) D839Y probably damaging Het
Pds5a A G 5: 65,795,157 (GRCm39) V693A probably damaging Het
Pigo A T 4: 43,021,337 (GRCm39) L535Q probably damaging Het
Ppp1r12b G T 1: 134,883,471 (GRCm39) A17E probably benign Het
Ptar1 G T 19: 23,671,729 (GRCm39) R44L probably damaging Het
Rad51c T C 11: 87,288,580 (GRCm39) H201R probably benign Het
Rims2 A T 15: 39,381,265 (GRCm39) probably null Het
Rpl22l1 T G 3: 28,860,985 (GRCm39) S67A possibly damaging Het
Rps10 A G 17: 27,849,454 (GRCm39) S143P probably damaging Het
Rundc1 T C 11: 101,315,967 (GRCm39) V13A probably benign Het
Sephs2 C A 7: 126,872,564 (GRCm39) M176I probably benign Het
Serpina16 C T 12: 103,641,189 (GRCm39) V179I probably benign Het
Serpini2 T A 3: 75,166,784 (GRCm39) T158S probably damaging Het
Slc12a3 A G 8: 95,072,979 (GRCm39) R701G probably damaging Het
Slc1a6 A G 10: 78,650,436 (GRCm39) E558G probably damaging Het
Ssx2ip T C 3: 146,136,672 (GRCm39) probably benign Het
Tbr1 A T 2: 61,636,346 (GRCm39) I241F possibly damaging Het
Tgfa G C 6: 86,247,064 (GRCm39) probably null Het
Tlr12 T A 4: 128,511,063 (GRCm39) K396* probably null Het
Tmppe A G 9: 114,235,026 (GRCm39) I442V probably benign Het
Tubb3 T C 8: 124,147,607 (GRCm39) V180A probably damaging Het
Vmn1r222 A G 13: 23,416,901 (GRCm39) V104A probably damaging Het
Vmn2r95 G T 17: 18,671,708 (GRCm39) V482L possibly damaging Het
Zfp184 G T 13: 22,143,452 (GRCm39) R386L possibly damaging Het
Zfp444 T A 7: 6,192,792 (GRCm39) V270E probably damaging Het
Zfp985 A T 4: 147,667,438 (GRCm39) Y102F probably damaging Het
Other mutations in Kcna2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00164:Kcna2 APN 3 107,011,946 (GRCm39) missense probably damaging 1.00
IGL00711:Kcna2 APN 3 107,012,069 (GRCm39) missense probably benign
IGL02380:Kcna2 APN 3 107,012,274 (GRCm39) missense probably benign 0.00
grim UTSW 3 107,012,343 (GRCm39) missense probably damaging 1.00
IGL03097:Kcna2 UTSW 3 107,012,715 (GRCm39) missense probably benign 0.02
R0117:Kcna2 UTSW 3 107,012,670 (GRCm39) missense probably damaging 1.00
R0200:Kcna2 UTSW 3 107,012,476 (GRCm39) missense probably benign
R0463:Kcna2 UTSW 3 107,012,476 (GRCm39) missense probably benign
R0472:Kcna2 UTSW 3 107,012,832 (GRCm39) missense probably benign
R0662:Kcna2 UTSW 3 107,012,717 (GRCm39) missense probably benign
R0746:Kcna2 UTSW 3 107,012,484 (GRCm39) missense probably benign
R1838:Kcna2 UTSW 3 107,011,828 (GRCm39) missense probably benign
R1847:Kcna2 UTSW 3 107,012,429 (GRCm39) missense possibly damaging 0.54
R1912:Kcna2 UTSW 3 107,012,717 (GRCm39) missense probably benign
R1966:Kcna2 UTSW 3 107,011,946 (GRCm39) missense probably damaging 1.00
R1971:Kcna2 UTSW 3 107,012,140 (GRCm39) missense probably damaging 1.00
R2419:Kcna2 UTSW 3 107,011,469 (GRCm39) missense probably benign 0.21
R3796:Kcna2 UTSW 3 107,012,906 (GRCm39) missense probably benign 0.37
R3830:Kcna2 UTSW 3 107,012,112 (GRCm39) missense probably benign 0.04
R4273:Kcna2 UTSW 3 107,012,509 (GRCm39) missense probably benign 0.00
R4570:Kcna2 UTSW 3 107,012,111 (GRCm39) missense probably benign
R4662:Kcna2 UTSW 3 107,012,733 (GRCm39) missense probably benign
R4756:Kcna2 UTSW 3 107,012,733 (GRCm39) missense probably benign
R5069:Kcna2 UTSW 3 107,011,953 (GRCm39) missense probably damaging 1.00
R5070:Kcna2 UTSW 3 107,011,953 (GRCm39) missense probably damaging 1.00
R5126:Kcna2 UTSW 3 107,011,550 (GRCm39) missense probably damaging 1.00
R5146:Kcna2 UTSW 3 107,012,814 (GRCm39) missense probably benign 0.00
R5205:Kcna2 UTSW 3 107,004,462 (GRCm39) unclassified probably benign
R5472:Kcna2 UTSW 3 107,012,625 (GRCm39) missense possibly damaging 0.93
R6687:Kcna2 UTSW 3 107,012,343 (GRCm39) missense probably damaging 1.00
R6689:Kcna2 UTSW 3 107,012,343 (GRCm39) missense probably damaging 1.00
R7216:Kcna2 UTSW 3 107,012,109 (GRCm39) missense probably damaging 0.99
R7304:Kcna2 UTSW 3 107,012,066 (GRCm39) missense probably benign
R7538:Kcna2 UTSW 3 107,011,884 (GRCm39) missense probably benign 0.31
R7585:Kcna2 UTSW 3 107,012,658 (GRCm39) missense probably damaging 1.00
R7968:Kcna2 UTSW 3 107,012,460 (GRCm39) missense possibly damaging 0.79
R8241:Kcna2 UTSW 3 107,012,338 (GRCm39) missense probably damaging 1.00
R9223:Kcna2 UTSW 3 107,012,306 (GRCm39) missense possibly damaging 0.93
R9441:Kcna2 UTSW 3 107,012,268 (GRCm39) missense probably benign
R9449:Kcna2 UTSW 3 107,012,887 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- AATTATGACAGTGGCTACCGGAG -3'
(R):5'- AGGACGCTCTTCTTCCTTGATG -3'

Sequencing Primer
(F):5'- TACCGGAGACCCAGTGGAC -3'
(R):5'- ATGTAGCCTTCATCCTCCCGAAAC -3'
Posted On 2016-06-06