Incidental Mutation 'IGL02380:Kcna2'
ID 291324
Institutional Source Australian Phenomics Network (link to record)
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
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # IGL02380
Quality Score
Status
Chromosome 3
Chromosomal Location 107008462-107022321 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 107012274 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Proline at position 285 (Q285P)
Ref Sequence ENSEMBL: ENSMUSP00000143798 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000038695] [ENSMUST00000196403] [ENSMUST00000197470]
AlphaFold P63141
Predicted Effect probably benign
Transcript: ENSMUST00000038695
AA Change: Q285P

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000041702
Gene: ENSMUSG00000040724
AA Change: Q285P

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 benign
Transcript: ENSMUST00000196403
AA Change: Q285P

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000142873
Gene: ENSMUSG00000040724
AA Change: Q285P

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 benign
Transcript: ENSMUST00000197470
AA Change: Q285P

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000143798
Gene: ENSMUSG00000040724
AA Change: Q285P

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
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: 46 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930433I11Rik C A 7: 40,643,968 (GRCm39) P546T possibly damaging Het
Abca13 T C 11: 9,241,599 (GRCm39) I1154T possibly damaging Het
Abca8a A G 11: 109,969,641 (GRCm39) probably benign Het
Acsm5 A T 7: 119,136,509 (GRCm39) Q360L probably benign Het
Adamtsl5 T C 10: 80,177,612 (GRCm39) E350G probably benign Het
Adgrl2 A T 3: 148,534,125 (GRCm39) L1017* probably null Het
Aqr T C 2: 113,940,417 (GRCm39) D1243G probably damaging Het
Arhgef17 G T 7: 100,578,650 (GRCm39) P766Q possibly damaging Het
Bclaf1 T C 10: 20,201,113 (GRCm39) V413A possibly damaging Het
Bcr A G 10: 75,011,131 (GRCm39) D14G probably benign Het
Cadps2 C T 6: 23,287,731 (GRCm39) V1190I probably benign Het
Cdh9 A G 15: 16,856,086 (GRCm39) I709V possibly damaging Het
Cnbd1 C A 4: 18,887,748 (GRCm39) probably null Het
Cnbd1 T A 4: 18,887,749 (GRCm39) probably null Het
Col4a3 T C 1: 82,650,509 (GRCm39) probably benign Het
Coro1a T A 7: 126,302,288 (GRCm39) K20* probably null Het
Crb2 T A 2: 37,673,447 (GRCm39) D114E probably damaging Het
Dnah6 C A 6: 73,053,623 (GRCm39) K2870N probably benign Het
Fpr3 A G 17: 18,191,254 (GRCm39) H175R probably benign Het
Gk5 T G 9: 96,032,533 (GRCm39) S248A possibly damaging Het
Grm4 T A 17: 27,653,635 (GRCm39) I772F probably damaging Het
Gstt4 A G 10: 75,653,073 (GRCm39) I163T possibly damaging Het
Hr A G 14: 70,795,201 (GRCm39) R278G probably damaging Het
Igfbp5 T A 1: 72,903,108 (GRCm39) R156* probably null Het
Ighv1-4 G A 12: 114,450,753 (GRCm39) probably benign Het
Insyn2a A T 7: 134,500,873 (GRCm39) probably null Het
Klf5 A T 14: 99,538,894 (GRCm39) R102S possibly damaging Het
Ldb1 A T 19: 46,022,929 (GRCm39) M252K possibly damaging Het
Lrrc66 T C 5: 73,787,009 (GRCm39) I114V possibly damaging Het
Map1b A T 13: 99,567,651 (GRCm39) I1690N unknown Het
Myo1a A G 10: 127,550,354 (GRCm39) T565A probably benign Het
Nt5c T C 11: 115,382,127 (GRCm39) D84G possibly damaging Het
Pde1b A G 15: 103,428,417 (GRCm39) N51S possibly damaging Het
Pikfyve T A 1: 65,295,180 (GRCm39) L1437Q probably damaging Het
Pld5 C T 1: 175,967,610 (GRCm39) V82I probably damaging Het
Psmb6 T A 11: 70,416,737 (GRCm39) N42K probably benign Het
Slco3a1 G A 7: 74,204,238 (GRCm39) S34F probably damaging Het
Slfn9 A G 11: 82,872,046 (GRCm39) Y897H probably benign Het
Spag6l T C 16: 16,581,033 (GRCm39) probably null Het
Srrm1 G A 4: 135,052,415 (GRCm39) P658L unknown Het
Tmem215 A T 4: 40,474,534 (GRCm39) I204F probably benign Het
Txnl1 A G 18: 63,807,114 (GRCm39) probably null Het
Ube2q2 T A 9: 55,070,296 (GRCm39) D79E probably benign Het
Ugt2a3 T C 5: 87,484,658 (GRCm39) D122G probably benign Het
Vmn2r73 A T 7: 85,507,383 (GRCm39) I643K probably benign Het
Xkrx T A X: 133,051,388 (GRCm39) H421L probably benign 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
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
R5054:Kcna2 UTSW 3 107,011,656 (GRCm39) missense probably damaging 1.00
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
Posted On 2015-04-16