Incidental Mutation 'R4677:Scn4a'
ID 349682
Institutional Source Beutler Lab
Gene Symbol Scn4a
Ensembl Gene ENSMUSG00000001027
Gene Name sodium channel, voltage-gated, type IV, alpha
Synonyms mH2, SkM1, Nav1.4
MMRRC Submission 042014-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4677 (G1)
Quality Score 225
Status Validated
Chromosome 11
Chromosomal Location 106209418-106244114 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 106214788 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 1270 (V1270I)
Ref Sequence ENSEMBL: ENSMUSP00000021056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021056]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000021056
AA Change: V1270I

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000021056
Gene: ENSMUSG00000001027
AA Change: V1270I

DomainStartEndE-ValueType
Pfam:Ion_trans 130 452 1.1e-80 PFAM
low complexity region 473 491 N/A INTRINSIC
Pfam:Ion_trans 571 805 4.2e-56 PFAM
Pfam:Na_trans_assoc 810 1020 3.2e-59 PFAM
Pfam:Ion_trans 1024 1299 1.4e-64 PFAM
Pfam:Ion_trans 1346 1603 6.1e-55 PFAM
Pfam:PKD_channel 1441 1598 1.4e-6 PFAM
IQ 1720 1742 2.5e-2 SMART
low complexity region 1815 1827 N/A INTRINSIC
Meta Mutation Damage Score 0.1894 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.9%
  • 20x: 94.2%
Validation Efficiency 100% (85/85)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Voltage-gated sodium channels are transmembrane glycoprotein complexes composed of a large alpha subunit with 24 transmembrane domains and one or more regulatory beta subunits. They are responsible for the generation and propagation of action potentials in neurons and muscle. This gene encodes one member of the sodium channel alpha subunit gene family. It is expressed in skeletal muscle, and mutations in this gene have been linked to several myotonia and periodic paralysis disorders. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice heterozygous or homozygous for a knock-in allele develop myotonia, increased myofiber damage, K+-sensitive paralysis and susceptibility to delayed weakness during recovery from fatigue. Homozygotes show perinatal lethality, low survival rate, unusual hind-limb clasping and reduced body weight. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 74 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts9 T C 6: 92,793,587 (GRCm39) M1T probably null Het
Akap3 T C 6: 126,842,226 (GRCm39) S282P probably damaging Het
Anxa10 A G 8: 62,516,054 (GRCm39) I206T probably damaging Het
Apobec3 A G 15: 79,779,713 (GRCm39) D52G probably damaging Het
Arl6 A T 16: 59,439,228 (GRCm39) probably null Het
Calcoco1 T C 15: 102,626,329 (GRCm39) E87G probably damaging Het
Ccdc88b C A 19: 6,825,636 (GRCm39) A1206S probably damaging Het
Ccpg1 A G 9: 72,923,197 (GRCm39) probably benign Het
Cdon A G 9: 35,389,901 (GRCm39) N852D probably damaging Het
Cobl T A 11: 12,336,665 (GRCm39) Q41L possibly damaging Het
Cspg4b A G 13: 113,516,020 (GRCm39) T145A unknown Het
Dcdc2b T C 4: 129,507,936 (GRCm39) T39A probably damaging Het
Ddx55 A T 5: 124,705,997 (GRCm39) D474V probably benign Het
Dipk2a A T 9: 94,402,457 (GRCm39) C402S probably damaging Het
Dnah17 A G 11: 118,010,640 (GRCm39) L521P probably damaging Het
Exoc1 A G 5: 76,707,010 (GRCm39) D497G probably null Het
Fam151a A G 4: 106,605,456 (GRCm39) E606G possibly damaging Het
Fbxw11 T A 11: 32,692,535 (GRCm39) L502* probably null Het
Fcrl1 A G 3: 87,297,563 (GRCm39) S337G possibly damaging Het
G6pc1 C A 11: 101,267,439 (GRCm39) F296L probably benign Het
Gm17472 C A 6: 42,957,809 (GRCm39) T26N probably damaging Het
Grin2b A G 6: 135,751,870 (GRCm39) V564A probably benign Het
H2-Ob T C 17: 34,461,618 (GRCm39) I119T probably benign Het
Hhip A G 8: 80,771,726 (GRCm39) Y195H probably damaging Het
Igkc A T 6: 70,703,662 (GRCm39) probably benign Het
Islr A T 9: 58,064,642 (GRCm39) D288E probably damaging Het
Kdelr1 A G 7: 45,523,197 (GRCm39) S36G probably benign Het
Lama5 G T 2: 179,821,159 (GRCm39) H3134Q possibly damaging Het
Loricrin A G 3: 91,989,050 (GRCm39) Y79H unknown Het
Lrp1b A G 2: 40,691,496 (GRCm39) F3327S probably damaging Het
Lrrc41 C T 4: 115,952,332 (GRCm39) H637Y probably benign Het
Map2k6 C T 11: 110,290,220 (GRCm39) probably benign Het
Mcm3ap T G 10: 76,306,404 (GRCm39) F172L probably damaging Het
Muc19 G A 15: 91,772,411 (GRCm39) noncoding transcript Het
Muc21 T A 17: 35,930,599 (GRCm39) probably benign Het
Muc6 T A 7: 141,224,212 (GRCm39) probably benign Het
Nek1 A T 8: 61,481,840 (GRCm39) I252L probably damaging Het
Nrg2 A T 18: 36,154,152 (GRCm39) H588Q possibly damaging Het
Nt5dc2 T C 14: 30,860,878 (GRCm39) V351A possibly damaging Het
Or1j12 A G 2: 36,343,062 (GRCm39) N155S probably benign Het
Or51b17 T C 7: 103,542,615 (GRCm39) E109G probably damaging Het
Or5m5 A G 2: 85,814,315 (GRCm39) T44A possibly damaging Het
Or8k1 A T 2: 86,048,032 (GRCm39) S7R probably benign Het
Pde3a A G 6: 141,411,865 (GRCm39) N480D probably benign Het
Pde6c A G 19: 38,145,833 (GRCm39) K374E probably damaging Het
Pdhx G A 2: 102,903,811 (GRCm39) probably null Het
Pi4ka A G 16: 17,100,237 (GRCm39) Y1888H probably damaging Het
Pnpla2 T A 7: 141,038,356 (GRCm39) M203K probably damaging Het
Prrc2c C T 1: 162,532,748 (GRCm39) probably benign Het
Ptcd3 G T 6: 71,870,498 (GRCm39) H321N probably benign Het
Ptprt A G 2: 161,743,366 (GRCm39) probably null Het
Ptx4 A G 17: 25,342,100 (GRCm39) T192A probably benign Het
Qars1 A G 9: 108,386,889 (GRCm39) probably benign Het
Ralgapa2 G A 2: 146,187,387 (GRCm39) P1372S possibly damaging Het
Rps6ka4 G T 19: 6,816,854 (GRCm39) T107K probably damaging Het
Rsf1 A G 7: 97,329,980 (GRCm39) T1169A possibly damaging Het
Ryr2 C A 13: 11,721,553 (GRCm39) W2626L probably damaging Het
Serpinb9b T C 13: 33,223,806 (GRCm39) S333P probably damaging Het
Sned1 A G 1: 93,224,019 (GRCm39) probably benign Het
Sult1c2 C T 17: 54,137,137 (GRCm39) V262M possibly damaging Het
Tll1 A T 8: 64,504,411 (GRCm39) F662I probably benign Het
Tmem161a A T 8: 70,633,597 (GRCm39) probably null Het
Top1mt A C 15: 75,535,907 (GRCm39) V465G possibly damaging Het
Trcg1 A G 9: 57,153,144 (GRCm39) K596E possibly damaging Het
Trim27 T A 13: 21,365,086 (GRCm39) probably null Het
Trpm3 A G 19: 22,964,752 (GRCm39) I1406V possibly damaging Het
Tssc4 T A 7: 142,624,246 (GRCm39) S254T probably damaging Het
Ttc7 C A 17: 87,678,163 (GRCm39) probably benign Het
Usp30 A G 5: 114,257,705 (GRCm39) T288A probably damaging Het
Usp48 C A 4: 137,343,692 (GRCm39) R441S probably benign Het
Vmn1r29 T C 6: 58,284,285 (GRCm39) S2P probably benign Het
Vmn2r65 T A 7: 84,613,082 (GRCm39) I46L possibly damaging Het
Zeb1 A T 18: 5,766,775 (GRCm39) I429F probably damaging Het
Zfp943 A G 17: 22,212,176 (GRCm39) R421G probably benign Het
Other mutations in Scn4a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00323:Scn4a APN 11 106,210,745 (GRCm39) missense probably benign
IGL00846:Scn4a APN 11 106,218,944 (GRCm39) missense probably benign 0.03
IGL01063:Scn4a APN 11 106,221,190 (GRCm39) missense possibly damaging 0.91
IGL01450:Scn4a APN 11 106,215,487 (GRCm39) missense probably damaging 0.99
IGL01922:Scn4a APN 11 106,229,978 (GRCm39) critical splice donor site probably null
IGL02589:Scn4a APN 11 106,218,958 (GRCm39) missense probably benign 0.08
IGL03171:Scn4a APN 11 106,236,418 (GRCm39) missense probably benign 0.01
IGL03338:Scn4a APN 11 106,211,671 (GRCm39) missense probably damaging 1.00
BB004:Scn4a UTSW 11 106,233,209 (GRCm39) missense probably damaging 1.00
BB014:Scn4a UTSW 11 106,233,209 (GRCm39) missense probably damaging 1.00
R0013:Scn4a UTSW 11 106,239,231 (GRCm39) splice site probably benign
R0013:Scn4a UTSW 11 106,239,231 (GRCm39) splice site probably benign
R0025:Scn4a UTSW 11 106,215,386 (GRCm39) missense probably benign 0.39
R0025:Scn4a UTSW 11 106,215,386 (GRCm39) missense probably benign 0.39
R0050:Scn4a UTSW 11 106,211,682 (GRCm39) missense probably damaging 1.00
R0113:Scn4a UTSW 11 106,236,262 (GRCm39) missense probably benign 0.00
R0193:Scn4a UTSW 11 106,211,364 (GRCm39) nonsense probably null
R0410:Scn4a UTSW 11 106,214,775 (GRCm39) missense probably damaging 1.00
R0512:Scn4a UTSW 11 106,236,503 (GRCm39) missense probably damaging 1.00
R0532:Scn4a UTSW 11 106,221,226 (GRCm39) missense probably benign 0.45
R1112:Scn4a UTSW 11 106,211,292 (GRCm39) missense probably damaging 1.00
R1279:Scn4a UTSW 11 106,226,508 (GRCm39) missense probably damaging 1.00
R1564:Scn4a UTSW 11 106,236,367 (GRCm39) missense probably benign
R1712:Scn4a UTSW 11 106,236,373 (GRCm39) missense probably benign 0.20
R1712:Scn4a UTSW 11 106,230,180 (GRCm39) missense probably damaging 1.00
R1721:Scn4a UTSW 11 106,211,646 (GRCm39) missense probably benign 0.31
R1900:Scn4a UTSW 11 106,218,359 (GRCm39) missense probably damaging 1.00
R2057:Scn4a UTSW 11 106,226,550 (GRCm39) missense probably damaging 0.97
R2209:Scn4a UTSW 11 106,230,051 (GRCm39) missense probably damaging 1.00
R3416:Scn4a UTSW 11 106,221,239 (GRCm39) missense probably benign 0.00
R3788:Scn4a UTSW 11 106,235,100 (GRCm39) missense probably damaging 0.96
R3853:Scn4a UTSW 11 106,210,932 (GRCm39) missense possibly damaging 0.94
R3861:Scn4a UTSW 11 106,216,950 (GRCm39) splice site probably benign
R3912:Scn4a UTSW 11 106,211,542 (GRCm39) missense probably damaging 1.00
R3983:Scn4a UTSW 11 106,238,644 (GRCm39) missense probably damaging 1.00
R4036:Scn4a UTSW 11 106,212,883 (GRCm39) missense possibly damaging 0.75
R4358:Scn4a UTSW 11 106,239,683 (GRCm39) splice site probably null
R4556:Scn4a UTSW 11 106,211,272 (GRCm39) missense probably benign 0.32
R4863:Scn4a UTSW 11 106,210,828 (GRCm39) missense probably damaging 1.00
R4924:Scn4a UTSW 11 106,210,914 (GRCm39) missense possibly damaging 0.83
R5081:Scn4a UTSW 11 106,239,553 (GRCm39) missense probably damaging 0.99
R5298:Scn4a UTSW 11 106,230,212 (GRCm39) missense probably damaging 1.00
R5407:Scn4a UTSW 11 106,211,715 (GRCm39) missense probably damaging 1.00
R5634:Scn4a UTSW 11 106,220,830 (GRCm39) missense probably benign
R6381:Scn4a UTSW 11 106,211,137 (GRCm39) missense probably damaging 1.00
R6468:Scn4a UTSW 11 106,236,502 (GRCm39) missense probably damaging 1.00
R6489:Scn4a UTSW 11 106,240,006 (GRCm39) missense probably benign 0.26
R6549:Scn4a UTSW 11 106,234,791 (GRCm39) missense probably damaging 1.00
R6606:Scn4a UTSW 11 106,218,899 (GRCm39) missense probably benign 0.39
R7037:Scn4a UTSW 11 106,211,726 (GRCm39) missense probably damaging 0.98
R7064:Scn4a UTSW 11 106,212,983 (GRCm39) missense possibly damaging 0.93
R7182:Scn4a UTSW 11 106,221,134 (GRCm39) missense probably benign 0.21
R7194:Scn4a UTSW 11 106,215,062 (GRCm39) missense probably benign 0.32
R7531:Scn4a UTSW 11 106,239,523 (GRCm39) splice site probably null
R7552:Scn4a UTSW 11 106,239,995 (GRCm39) missense probably benign 0.22
R7570:Scn4a UTSW 11 106,211,299 (GRCm39) missense possibly damaging 0.54
R7635:Scn4a UTSW 11 106,215,458 (GRCm39) missense probably damaging 1.00
R7823:Scn4a UTSW 11 106,233,334 (GRCm39) missense probably damaging 1.00
R7832:Scn4a UTSW 11 106,212,841 (GRCm39) missense probably benign 0.01
R7927:Scn4a UTSW 11 106,233,209 (GRCm39) missense probably damaging 1.00
R8122:Scn4a UTSW 11 106,221,157 (GRCm39) missense probably benign 0.02
R8131:Scn4a UTSW 11 106,232,367 (GRCm39) missense probably benign
R9093:Scn4a UTSW 11 106,210,638 (GRCm39) missense probably benign
R9099:Scn4a UTSW 11 106,211,000 (GRCm39) missense probably damaging 1.00
R9137:Scn4a UTSW 11 106,214,736 (GRCm39) missense probably damaging 1.00
R9163:Scn4a UTSW 11 106,217,076 (GRCm39) missense probably damaging 1.00
R9255:Scn4a UTSW 11 106,215,054 (GRCm39) missense probably damaging 0.99
R9627:Scn4a UTSW 11 106,212,839 (GRCm39) missense probably benign
R9780:Scn4a UTSW 11 106,226,235 (GRCm39) missense probably damaging 1.00
X0012:Scn4a UTSW 11 106,220,887 (GRCm39) missense probably damaging 1.00
X0065:Scn4a UTSW 11 106,213,004 (GRCm39) missense probably damaging 0.98
Z1176:Scn4a UTSW 11 106,232,356 (GRCm39) missense probably damaging 0.97
Z1176:Scn4a UTSW 11 106,232,355 (GRCm39) missense probably benign 0.26
Z1176:Scn4a UTSW 11 106,212,734 (GRCm39) missense probably null 0.29
Z1177:Scn4a UTSW 11 106,232,368 (GRCm39) missense probably benign
Z1177:Scn4a UTSW 11 106,221,034 (GRCm39) missense not run
Predicted Primers PCR Primer
(F):5'- GGCATCTAGGTCAGTGACTG -3'
(R):5'- GCAATAGCGGTCCATTCTGTC -3'

Sequencing Primer
(F):5'- CATCTAGGTCAGTGACTGCTTGG -3'
(R):5'- ACTCTCACCTGACACCTTCAC -3'
Posted On 2015-10-08