Incidental Mutation 'R4492:Kcna4'
ID 330764
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 041581-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4492 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 107120984-107128847 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 107126436 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glutamine at position 390 (R390Q)
Ref Sequence ENSEMBL: ENSMUSP00000037958 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000037012]
AlphaFold Q61423
Predicted Effect probably damaging
Transcript: ENSMUST00000037012
AA Change: R390Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000037958
Gene: ENSMUSG00000042604
AA Change: R390Q

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
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.9%
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 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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actr6 T G 10: 89,561,676 (GRCm39) I157L probably benign Het
Amph T C 13: 19,333,928 (GRCm39) V663A possibly damaging Het
Anapc16 A G 10: 59,826,724 (GRCm39) S50P possibly damaging Het
Ank3 T A 10: 69,644,755 (GRCm39) V60D probably damaging Het
Btbd9 A G 17: 30,746,545 (GRCm39) Y94H probably damaging Het
Chil3 A G 3: 106,063,017 (GRCm39) I191T probably damaging Het
Clpb T C 7: 101,436,929 (GRCm39) L668P probably damaging Het
Cyp2d22 G A 15: 82,258,571 (GRCm39) H97Y probably benign Het
Dhrs7 A T 12: 72,699,899 (GRCm39) N244K probably damaging Het
Dusp4 C T 8: 35,274,890 (GRCm39) T3M possibly damaging Het
Edc4 GGATTTTAGCCA G 8: 106,611,700 (GRCm39) probably null Het
Etl4 G A 2: 20,811,676 (GRCm39) S1621N possibly damaging Het
Fam174a T C 1: 95,241,701 (GRCm39) S54P probably benign Het
Fdxacb1 T C 9: 50,681,547 (GRCm39) F7S probably damaging Het
Focad G A 4: 88,278,142 (GRCm39) probably null Het
Gpr156 T A 16: 37,812,468 (GRCm39) L268H probably damaging Het
Gpr17 A T 18: 32,080,304 (GRCm39) I253N possibly damaging Het
H2-T23 A T 17: 36,343,058 (GRCm39) N106K probably damaging Het
Hspa4 T C 11: 53,171,296 (GRCm39) R303G probably damaging Het
Irgm1 G A 11: 48,756,955 (GRCm39) silent Het
Jph1 A C 1: 17,067,770 (GRCm39) I114S probably damaging Het
Kcna1 C T 6: 126,619,238 (GRCm39) D361N possibly damaging Het
Lum C A 10: 97,404,300 (GRCm39) P65H probably damaging Het
Mc4r A G 18: 66,992,711 (GRCm39) L134P probably benign Het
Mroh8 A T 2: 157,099,960 (GRCm39) I248N probably damaging Het
Nos2 A G 11: 78,840,921 (GRCm39) T677A probably benign Het
Nup37 T A 10: 88,010,791 (GRCm39) F257I possibly damaging Het
Or13c3 T C 4: 52,855,764 (GRCm39) I250V probably benign Het
Or6k6 C T 1: 173,944,770 (GRCm39) V271I probably benign Het
Pdzd2 C T 15: 12,385,723 (GRCm39) D1016N possibly damaging Het
Pdzd2 A C 15: 12,419,567 (GRCm39) M501R possibly damaging Het
Pitx1 T C 13: 55,976,465 (GRCm39) K65E probably benign Het
Pla1a C T 16: 38,229,972 (GRCm39) A247T probably benign Het
Prex2 T A 1: 11,232,487 (GRCm39) S851R probably benign Het
Prss8 A G 7: 127,528,979 (GRCm39) S26P probably damaging Het
Rasef A C 4: 73,652,740 (GRCm39) L587R probably damaging Het
Rock2 T A 12: 17,027,684 (GRCm39) C1334S probably damaging Het
Rsf1 CGGCGGCGG CGGCGGCGGGGGCGGCGG 7: 97,229,130 (GRCm39) probably benign Het
Serpina6 A G 12: 103,613,146 (GRCm39) W385R probably damaging Het
Slc12a5 T C 2: 164,821,263 (GRCm39) M249T probably benign Het
Srsf9 T A 5: 115,470,651 (GRCm39) I117N probably damaging Het
Taf1 G T X: 100,586,665 (GRCm39) M313I possibly damaging Het
Tmem30a T C 9: 79,684,567 (GRCm39) H95R probably damaging Het
Top2b T G 14: 16,409,189 (GRCm38) I777M probably damaging Het
Ttc21a T C 9: 119,770,346 (GRCm39) V139A probably benign Het
Zfp236 A T 18: 82,648,125 (GRCm39) V1012D probably damaging Het
Zfp612 C A 8: 110,815,929 (GRCm39) Q379K probably damaging Het
Zfp930 C T 8: 69,680,898 (GRCm39) Q198* probably null 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
R4002:Kcna4 UTSW 2 107,126,259 (GRCm39) missense probably damaging 1.00
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
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'- TTTTGCCTGGAAACCTTGCC -3'
(R):5'- GCTTGAAGATCCGGAATACTCG -3'

Sequencing Primer
(F):5'- AAACCTTGCCGGAGTTCAG -3'
(R):5'- GATCCGGAATACTCGGACCAG -3'
Posted On 2015-07-21