Incidental Mutation 'R4002:Kcna4'
ID 311303
Institutional Source Beutler Lab
Gene Symbol Kcna4
Ensembl Gene ENSMUSG00000042604
Gene Name potassium voltage-gated channel, shaker-related subfamily, member 4
Synonyms Kv1.4
MMRRC Submission 041609-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4002 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 107120984-107128847 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 107126259 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Leucine at position 331 (P331L)
Ref Sequence ENSEMBL: ENSMUSP00000037958 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000037012]
AlphaFold Q61423
Predicted Effect probably damaging
Transcript: ENSMUST00000037012
AA Change: P331L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000037958
Gene: ENSMUSG00000042604
AA Change: P331L

DomainStartEndE-ValueType
Pfam:K_channel_TID 1 74 1.5e-42 PFAM
low complexity region 77 89 N/A INTRINSIC
coiled coil region 112 139 N/A INTRINSIC
low complexity region 160 166 N/A INTRINSIC
BTB 177 277 1.67e-8 SMART
Pfam:Ion_trans 307 572 2.8e-51 PFAM
Pfam:Ion_trans_2 480 565 9e-15 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000173191
Meta Mutation Damage Score 0.9561 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.4%
Validation Efficiency 97% (29/30)
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 A-type potassium current class, the members of which may be important in the regulation of the fast repolarizing phase of action potentials in heart and thus may influence the duration of cardiac action potential.[provided by RefSeq, Mar 2011]
PHENOTYPE: Mice homozygous for a knock-out allele are viable, fertile and grossly normal; however, a small subset of mutants exhibit spontaneous seizure activity. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 27 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610021A01Rik T A 7: 41,274,964 (GRCm39) N222K possibly damaging Het
Abca13 A T 11: 9,535,415 (GRCm39) M4680L probably benign Het
Adgrv1 GA GAA 13: 81,688,251 (GRCm39) probably null Het
Afdn T C 17: 14,104,179 (GRCm39) S1157P probably damaging Het
Ank1 A G 8: 23,629,479 (GRCm39) T63A probably damaging Het
Asah1 A G 8: 41,801,176 (GRCm39) probably benign Het
Cdh18 T A 15: 23,383,048 (GRCm39) L277I possibly damaging Het
Ces3a A T 8: 105,784,093 (GRCm39) D431V probably damaging Het
Dbx1 T C 7: 49,286,265 (GRCm39) S67G probably benign Het
Dmxl2 A G 9: 54,381,116 (GRCm39) probably benign Het
Dnah7a T A 1: 53,670,840 (GRCm39) T471S probably benign Het
Efcab8 A T 2: 153,623,726 (GRCm39) K70N probably benign Het
Grcc10 A T 6: 124,717,933 (GRCm39) M1K probably null Het
Higd2a G C 13: 54,738,540 (GRCm39) C53S probably damaging Het
Keg1 T A 19: 12,696,307 (GRCm39) S164T possibly damaging Het
Ltbp1 T C 17: 75,617,154 (GRCm39) V1031A probably benign Het
Obsl1 G A 1: 75,476,743 (GRCm39) T737I possibly damaging Het
Or10al7 G A 17: 38,365,879 (GRCm39) L193F probably damaging Het
Or7g33 C T 9: 19,449,202 (GRCm39) R8K probably benign Het
Or7g35 T G 9: 19,496,010 (GRCm39) M59R probably damaging Het
Serpinb6d A G 13: 33,854,630 (GRCm39) M202V probably damaging Het
Tcf19 A G 17: 35,826,822 (GRCm39) probably null Het
Tlr11 T C 14: 50,599,984 (GRCm39) F657L probably benign Het
Ttf2 G A 3: 100,855,541 (GRCm39) Q96* probably null Het
Ube2frt G A 12: 36,140,635 (GRCm39) probably benign Het
Zbbx C T 3: 75,012,978 (GRCm39) G151E probably damaging Het
Zfp810 C T 9: 22,190,188 (GRCm39) C240Y probably damaging Het
Other mutations in Kcna4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00089:Kcna4 APN 2 107,126,207 (GRCm39) missense probably damaging 1.00
IGL01025:Kcna4 APN 2 107,126,736 (GRCm39) missense probably damaging 0.99
IGL01433:Kcna4 APN 2 107,127,078 (GRCm39) missense probably damaging 0.99
IGL01805:Kcna4 APN 2 107,126,843 (GRCm39) missense probably damaging 1.00
IGL02121:Kcna4 APN 2 107,126,963 (GRCm39) missense possibly damaging 0.92
Pinched UTSW 2 107,126,894 (GRCm39) missense probably damaging 1.00
R6381_Kcna4_300 UTSW 2 107,125,317 (GRCm39) missense probably benign 0.05
PIT4377001:Kcna4 UTSW 2 107,127,205 (GRCm39) missense possibly damaging 0.83
R0255:Kcna4 UTSW 2 107,126,907 (GRCm39) missense probably damaging 1.00
R0650:Kcna4 UTSW 2 107,125,927 (GRCm39) nonsense probably null
R0761:Kcna4 UTSW 2 107,126,417 (GRCm39) missense probably benign 0.02
R1211:Kcna4 UTSW 2 107,125,660 (GRCm39) small deletion probably benign
R1553:Kcna4 UTSW 2 107,127,032 (GRCm39) missense probably benign 0.02
R1854:Kcna4 UTSW 2 107,126,829 (GRCm39) missense probably damaging 1.00
R1915:Kcna4 UTSW 2 107,127,123 (GRCm39) missense probably benign 0.01
R1974:Kcna4 UTSW 2 107,126,565 (GRCm39) missense possibly damaging 0.65
R4163:Kcna4 UTSW 2 107,126,151 (GRCm39) missense probably damaging 1.00
R4413:Kcna4 UTSW 2 107,125,718 (GRCm39) missense probably benign 0.01
R4474:Kcna4 UTSW 2 107,126,352 (GRCm39) missense probably benign
R4492:Kcna4 UTSW 2 107,126,436 (GRCm39) missense probably damaging 1.00
R4525:Kcna4 UTSW 2 107,125,410 (GRCm39) missense possibly damaging 0.93
R4766:Kcna4 UTSW 2 107,126,888 (GRCm39) missense probably damaging 1.00
R4787:Kcna4 UTSW 2 107,126,813 (GRCm39) missense probably damaging 1.00
R5423:Kcna4 UTSW 2 107,126,151 (GRCm39) nonsense probably null
R5725:Kcna4 UTSW 2 107,127,221 (GRCm39) missense possibly damaging 0.48
R6381:Kcna4 UTSW 2 107,125,317 (GRCm39) missense probably benign 0.05
R6399:Kcna4 UTSW 2 107,126,894 (GRCm39) missense probably damaging 1.00
R6787:Kcna4 UTSW 2 107,125,670 (GRCm39) missense possibly damaging 0.91
R6891:Kcna4 UTSW 2 107,126,652 (GRCm39) missense probably damaging 1.00
R7057:Kcna4 UTSW 2 107,125,665 (GRCm39) missense probably damaging 0.96
R7250:Kcna4 UTSW 2 107,126,663 (GRCm39) missense possibly damaging 0.92
R7522:Kcna4 UTSW 2 107,126,600 (GRCm39) missense probably damaging 1.00
R7799:Kcna4 UTSW 2 107,126,237 (GRCm39) missense possibly damaging 0.70
R8758:Kcna4 UTSW 2 107,126,494 (GRCm39) missense probably damaging 1.00
R9618:Kcna4 UTSW 2 107,126,374 (GRCm39) missense probably benign 0.03
Predicted Primers PCR Primer
(F):5'- CTATCAGTTGGGAGAGGAAGCC -3'
(R):5'- GCTGGGACAAGCAAAGCATC -3'

Sequencing Primer
(F):5'- AGAGGAAGCCCTGCTCAAGTTC -3'
(R):5'- GGGACAAGCAAAGCATCGAACC -3'
Posted On 2015-04-29