Incidental Mutation 'R5423:Kcna4'
ID 426684
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 042989-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5423 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 107120984-107128847 bp(+) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) G to A at 107126151 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tryptophan to Stop codon at position 295 (W295*)
Ref Sequence ENSEMBL: ENSMUSP00000037958 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000037012]
AlphaFold Q61423
Predicted Effect probably null
Transcript: ENSMUST00000037012
AA Change: W295*
SMART Domains Protein: ENSMUSP00000037958
Gene: ENSMUSG00000042604
AA Change: W295*

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 0.9717 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.3%
Validation Efficiency 98% (60/61)
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acyp2 C T 11: 30,456,354 (GRCm39) E98K possibly damaging Het
Adam22 C A 5: 8,140,182 (GRCm39) G202W probably damaging Het
Adamts9 A G 6: 92,857,678 (GRCm39) I289T possibly damaging Het
Ak4 T G 4: 101,317,760 (GRCm39) I110S probably damaging Het
Arhgap9 T G 10: 127,165,418 (GRCm39) I609S probably damaging Het
Arid4a C A 12: 71,116,634 (GRCm39) S242* probably null Het
Ceacam1 T G 7: 25,173,951 (GRCm39) I235L probably benign Het
Chil3 T C 3: 106,055,978 (GRCm39) D365G probably damaging Het
Ckap2 A C 8: 22,667,212 (GRCm39) S216R probably benign Het
Cyp2e1 G T 7: 140,350,031 (GRCm39) V239L probably benign Het
Dnah7b T A 1: 46,397,431 (GRCm39) M3954K probably benign Het
Ercc6l2 A T 13: 64,020,072 (GRCm39) probably benign Het
Etv5 T C 16: 22,202,404 (GRCm39) D468G probably damaging Het
Fbxo44 T A 4: 148,238,686 (GRCm39) I213F probably benign Het
Gm5084 A G 13: 60,360,356 (GRCm39) noncoding transcript Het
Gpr17 G A 18: 32,080,694 (GRCm39) T123I probably damaging Het
Grin3a A G 4: 49,770,376 (GRCm39) probably benign Het
H2-D1 T G 17: 35,484,883 (GRCm39) L248R probably damaging Het
Hmcn1 T C 1: 150,577,723 (GRCm39) I2013V probably damaging Het
Hp1bp3 A T 4: 137,953,208 (GRCm39) D84V probably damaging Het
Ift140 T C 17: 25,252,059 (GRCm39) F33S probably damaging Het
Inhbc C G 10: 127,193,296 (GRCm39) C240S probably damaging Het
Iqgap1 T A 7: 80,449,610 (GRCm39) E62V probably damaging Het
Kdm4a C T 4: 117,996,105 (GRCm39) A975T probably damaging Het
Lrrtm3 T C 10: 63,923,931 (GRCm39) D412G possibly damaging Het
Midn A C 10: 79,991,027 (GRCm39) I346L probably benign Het
Ndufa10 C T 1: 92,390,042 (GRCm39) D259N probably benign Het
Nefh C A 11: 4,890,985 (GRCm39) A545S possibly damaging Het
Prpf8 A G 11: 75,399,784 (GRCm39) Y2281C probably damaging Het
Psip1 G A 4: 83,378,367 (GRCm39) probably benign Het
Ptpro G T 6: 137,419,705 (GRCm39) A184S probably damaging Het
Rab37 T A 11: 115,047,853 (GRCm39) I65K possibly damaging Het
Rasgrp4 T C 7: 28,844,561 (GRCm39) L247P probably damaging Het
Rnf20 T C 4: 49,644,620 (GRCm39) V295A probably damaging Het
Serpina3g A G 12: 104,204,253 (GRCm39) probably benign Het
Shox2 A G 3: 66,881,087 (GRCm39) probably benign Het
Skint6 T G 4: 112,707,937 (GRCm39) D977A possibly damaging Het
Slc25a23 C T 17: 57,360,597 (GRCm39) V248M probably damaging Het
Slco1a7 T A 6: 141,690,188 (GRCm39) K188N probably damaging Het
Smg1 A T 7: 117,745,294 (GRCm39) D3008E possibly damaging Het
St18 A G 1: 6,872,840 (GRCm39) S192G possibly damaging Het
Supt20 T A 3: 54,616,746 (GRCm39) V306E probably damaging Het
T T C 17: 8,660,597 (GRCm39) Y403H probably damaging Het
Tars3 C A 7: 65,333,567 (GRCm39) N588K probably benign Het
Tmem132c T C 5: 127,640,907 (GRCm39) V1026A probably benign Het
Trpv4 T C 5: 114,774,506 (GRCm39) T193A probably benign Het
Ubqln4 A G 3: 88,470,506 (GRCm39) N326S probably damaging Het
Uggt2 G A 14: 119,256,898 (GRCm39) T1112I probably damaging Het
Vasn C T 16: 4,466,284 (GRCm39) P77L probably benign Het
Vps9d1 A C 8: 123,974,704 (GRCm39) probably null Het
Washc4 C A 10: 83,415,418 (GRCm39) Q803K possibly damaging Het
Zcchc2 C T 1: 105,958,430 (GRCm39) T967I probably damaging Het
Zfp874a G A 13: 67,590,473 (GRCm39) L404F possibly damaging Het
Zscan30 T C 18: 24,104,773 (GRCm39) noncoding transcript 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
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
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'- ATTATTACCAGTCAGGAGGCCG -3'
(R):5'- AATATTGTGTGCCCTGAGTTCTC -3'

Sequencing Primer
(F):5'- GCCTGAAGAGACCAGTCAATGTC -3'
(R):5'- CCGAGGTGTCATTCAGCAATCTG -3'
Posted On 2016-09-01