Incidental Mutation 'R5725:Kcna4'
ID 452420
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 043343-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5725 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 107120984-107128847 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 107127221 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 652 (T652A)
Ref Sequence ENSEMBL: ENSMUSP00000037958 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000037012]
AlphaFold Q61423
Predicted Effect possibly damaging
Transcript: ENSMUST00000037012
AA Change: T652A

PolyPhen 2 Score 0.478 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000037958
Gene: ENSMUSG00000042604
AA Change: T652A

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: 99.1%
  • 3x: 98.4%
  • 10x: 96.6%
  • 20x: 93.4%
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik G A 12: 71,240,093 (GRCm39) R1301H probably benign Het
6030468B19Rik G T 11: 117,696,883 (GRCm39) S201I probably damaging Het
Abca13 G A 11: 9,527,181 (GRCm39) M4531I probably benign Het
Abca2 A G 2: 25,329,412 (GRCm39) M1058V probably damaging Het
Agrn T A 4: 156,258,332 (GRCm39) T938S probably benign Het
Aloxe3 A T 11: 69,019,480 (GRCm39) D131V probably null Het
Angptl7 C A 4: 148,580,965 (GRCm39) A277S possibly damaging Het
Ap5z1 T C 5: 142,454,731 (GRCm39) M244T probably damaging Het
Aplp2 T C 9: 31,069,110 (GRCm39) D573G probably damaging Het
Arid5a G T 1: 36,358,211 (GRCm39) E176* probably null Het
Atp8b4 A T 2: 126,275,856 (GRCm39) N125K probably benign Het
Auts2 A G 5: 131,468,584 (GRCm39) V911A probably benign Het
Bahcc1 G A 11: 120,165,714 (GRCm39) R990H probably benign Het
Cd84 T C 1: 171,700,928 (GRCm39) F230L probably benign Het
Dtnb T A 12: 3,823,566 (GRCm39) L584H probably damaging Het
Dync2h1 A C 9: 7,169,528 (GRCm39) S316R probably benign Het
Eif3m A G 2: 104,844,186 (GRCm39) I73T probably damaging Het
Emilin3 A T 2: 160,750,410 (GRCm39) C399* probably null Het
Fam118a A G 15: 84,929,822 (GRCm39) K17E probably damaging Het
Fat4 A G 3: 38,943,774 (GRCm39) N889S probably damaging Het
Hmcn2 G A 2: 31,273,827 (GRCm39) probably null Het
Hyls1 G A 9: 35,472,480 (GRCm39) S312F probably benign Het
Igsf21 T C 4: 139,762,054 (GRCm39) D208G probably benign Het
Itgax A G 7: 127,747,033 (GRCm39) T945A possibly damaging Het
Itsn2 T A 12: 4,680,767 (GRCm39) probably benign Het
Kir3dl1 G A X: 135,427,231 (GRCm39) D56N probably damaging Het
Lrp4 A G 2: 91,325,240 (GRCm39) Y1355C probably damaging Het
Mmp9 C A 2: 164,791,256 (GRCm39) A142E possibly damaging Het
Mpeg1 T C 19: 12,440,000 (GRCm39) V486A probably benign Het
Mrgprb3 A T 7: 48,293,548 (GRCm39) M1K probably null Het
Mrtfb A T 16: 13,202,174 (GRCm39) K146* probably null Het
Nacad T C 11: 6,551,643 (GRCm39) E516G probably benign Het
Or5k15 G A 16: 58,710,250 (GRCm39) T111I possibly damaging Het
Otx1 C A 11: 21,947,037 (GRCm39) A91S probably damaging Het
Pappa T A 4: 65,107,647 (GRCm39) V686E probably damaging Het
Polr3a A T 14: 24,515,455 (GRCm39) probably null Het
Ppp1r3a A G 6: 14,719,348 (GRCm39) V522A probably benign Het
Rab6b T A 9: 103,041,061 (GRCm39) F152I probably damaging Het
Sacs G A 14: 61,448,559 (GRCm39) R3535Q probably damaging Het
Septin14 T C 5: 129,766,630 (GRCm39) D317G probably damaging Het
Sin3b T C 8: 73,452,320 (GRCm39) probably null Het
Sis G A 3: 72,872,931 (GRCm39) P69L probably damaging Het
Slc12a3 G T 8: 95,057,074 (GRCm39) V116L probably benign Het
Slc16a12 A T 19: 34,652,227 (GRCm39) F306L probably damaging Het
Slc39a12 T C 2: 14,394,075 (GRCm39) probably benign Het
Smg6 A G 11: 74,821,439 (GRCm39) Q570R probably benign Het
Sptb G A 12: 76,669,888 (GRCm39) A480V probably benign Het
Srsf4 C A 4: 131,628,262 (GRCm39) probably benign Het
Topors T C 4: 40,261,952 (GRCm39) D444G probably damaging Het
Trav19 A C 14: 54,082,999 (GRCm39) T25P possibly damaging Het
Trim3 A G 7: 105,266,947 (GRCm39) probably null Het
Ugt2a2 T C 5: 87,622,755 (GRCm39) N281S probably damaging Het
Vmn1r12 A G 6: 57,136,694 (GRCm39) I264V probably benign Het
Vmn2r94 T A 17: 18,476,489 (GRCm39) I403F possibly damaging Het
Zzef1 G A 11: 72,746,308 (GRCm39) R870Q possibly 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
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
R5423:Kcna4 UTSW 2 107,126,151 (GRCm39) nonsense probably null
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'- GCTCAAGAAATTTCGGAGCTCC -3'
(R):5'- CGGCACAATTCCCAACAGTG -3'

Sequencing Primer
(F):5'- AGAAATTTCGGAGCTCCACTTC -3'
(R):5'- GCACAATTCCCAACAGTGTTGAC -3'
Posted On 2017-01-03