Incidental Mutation 'R7194:Scn4a'
ID 559807
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 045335-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7194 (G1)
Quality Score 225.009
Status Validated
Chromosome 11
Chromosomal Location 106209418-106244114 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 106215062 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 1243 (I1243T)
Ref Sequence ENSEMBL: ENSMUSP00000021056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021056]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000021056
AA Change: I1243T

PolyPhen 2 Score 0.325 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000021056
Gene: ENSMUSG00000001027
AA Change: I1243T

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 98.9%
Validation Efficiency 100% (70/70)
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: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadat A G 8: 60,979,656 (GRCm39) I173V probably benign Het
Abi3bp C T 16: 56,382,734 (GRCm39) R115C probably damaging Het
Adam18 A G 8: 25,141,868 (GRCm39) S234P possibly damaging Het
Adam20 A G 8: 41,249,449 (GRCm39) R520G probably benign Het
Angel2 C G 1: 190,677,194 (GRCm39) T514R probably damaging Het
Ankar A T 1: 72,698,192 (GRCm39) I954N probably benign Het
Ankrd7 A T 6: 18,879,342 (GRCm39) Y262F probably benign Het
Ano8 C A 8: 71,935,007 (GRCm39) L398F possibly damaging Het
App C T 16: 84,822,319 (GRCm39) V356I probably benign Het
Atp1a2 C A 1: 172,108,194 (GRCm39) E636* probably null Het
Cckbr G A 7: 105,084,552 (GRCm39) E429K possibly damaging Het
Cfi T G 3: 129,648,708 (GRCm39) S197R probably damaging Het
Chn2 A G 6: 54,263,162 (GRCm39) probably null Het
Col3a1 C A 1: 45,370,860 (GRCm39) A405D unknown Het
Colec12 A T 18: 9,848,248 (GRCm39) N142I probably benign Het
Copa T C 1: 171,947,511 (GRCm39) L1109P probably damaging Het
Cpeb3 T A 19: 37,152,152 (GRCm39) M75L probably benign Het
Cyp2d11 T C 15: 82,275,969 (GRCm39) Y204C probably benign Het
Defa17 A G 8: 22,146,613 (GRCm39) T80A probably benign Het
Dnaaf9 C A 2: 130,648,708 (GRCm39) R258L unknown Het
Dppa5a C T 9: 78,275,002 (GRCm39) probably null Het
Fat4 G T 3: 38,943,033 (GRCm39) S642I probably damaging Het
Fat4 T A 3: 39,038,044 (GRCm39) C3899S probably damaging Het
Fn1 A G 1: 71,641,482 (GRCm39) V1869A probably damaging Het
Gm10308 A T 17: 91,396,389 (GRCm39) I104L unknown Het
Gpr139 C T 7: 118,743,896 (GRCm39) A230T possibly damaging Het
Grm8 T C 6: 27,618,486 (GRCm39) N452S probably benign Het
Hmox1 T C 8: 75,823,551 (GRCm39) V73A probably benign Het
Hspa4 A G 11: 53,156,765 (GRCm39) F641L probably damaging Het
Ifi207 T G 1: 173,557,490 (GRCm39) H416P possibly damaging Het
Igkv10-96 G T 6: 68,609,028 (GRCm39) T89K possibly damaging Het
Kmt2d A C 15: 98,741,714 (GRCm39) V4482G unknown Het
Krt28 T A 11: 99,265,230 (GRCm39) K146* probably null Het
Krt82 T C 15: 101,451,191 (GRCm39) N406S probably damaging Het
Marveld3 A T 8: 110,686,477 (GRCm39) probably null Het
Mllt6 C T 11: 97,564,394 (GRCm39) S370L probably benign Het
Muc16 A G 9: 18,585,750 (GRCm39) L26S unknown Het
Mup12 T A 4: 60,696,734 (GRCm39) E48V probably benign Het
Myh1 G A 11: 67,102,183 (GRCm39) V825I probably benign Het
Nipal3 G A 4: 135,201,732 (GRCm39) T152I probably benign Het
Nrg3 A T 14: 39,194,435 (GRCm39) M108K probably benign Het
Nup50l T G 6: 96,141,756 (GRCm39) E429D probably benign Het
Oog3 A T 4: 143,889,169 (GRCm39) I3N probably damaging Het
Or10d4c G A 9: 39,558,387 (GRCm39) V122I probably benign Het
Pira13 A G 7: 3,827,792 (GRCm39) W122R Het
Pkhd1l1 T C 15: 44,392,512 (GRCm39) C1616R probably damaging Het
Ppa2 T A 3: 133,053,953 (GRCm39) probably null Het
Ppfibp2 T A 7: 107,322,187 (GRCm39) probably null Het
Ppp4c T C 7: 126,385,653 (GRCm39) N229D probably damaging Het
Ptpn9 T C 9: 56,929,570 (GRCm39) F96L probably damaging Het
Pygl A G 12: 70,241,094 (GRCm39) V742A probably benign Het
Ranbp2 A G 10: 58,312,591 (GRCm39) T1104A probably benign Het
Rasal1 G A 5: 120,813,557 (GRCm39) A644T probably benign Het
Rcor3 T A 1: 191,810,261 (GRCm39) T139S possibly damaging Het
Rfx5 T A 3: 94,862,454 (GRCm39) I37N probably damaging Het
Rnf112 C T 11: 61,341,683 (GRCm39) G374R probably damaging Het
Rrp12 T C 19: 41,859,979 (GRCm39) I1034V probably benign Het
Sacs T A 14: 61,447,538 (GRCm39) Y3195N possibly damaging Het
Sirt7 A T 11: 120,509,799 (GRCm39) C362S probably benign Het
Slc17a6 T A 7: 51,276,640 (GRCm39) S130T probably damaging Het
Snrnp48 A C 13: 38,393,875 (GRCm39) Y60S probably damaging Het
Syne1 T C 10: 5,060,859 (GRCm39) E7260G probably damaging Het
Trbv15 C T 6: 41,118,529 (GRCm39) T95I probably benign Het
Trip12 A T 1: 84,771,943 (GRCm39) N68K probably benign Het
Ugcg A G 4: 59,213,210 (GRCm39) Y132C probably damaging Het
Usp9y A T Y: 1,304,672 (GRCm39) C2391S probably damaging Het
Vmn1r103 C A 7: 20,244,438 (GRCm39) V8L probably benign Het
Vmn2r15 T A 5: 109,440,649 (GRCm39) N403I probably damaging Het
Zbtb11 T C 16: 55,827,551 (GRCm39) S1006P probably damaging 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
R4677:Scn4a UTSW 11 106,214,788 (GRCm39) missense probably damaging 1.00
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
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'- CTCCTCTTTCTGCAGGATGG -3'
(R):5'- TAGAAGTGCCTGGTTGTGCC -3'

Sequencing Primer
(F):5'- TCCCCATAGTACTGTGAGGAG -3'
(R):5'- GTTGTGCCTCATCGGATCAGAAC -3'
Posted On 2019-06-26