Incidental Mutation 'R1721:Scn4a'
ID 191486
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 039753-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1721 (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 106211646 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 1457 (R1457H)
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: R1457H

PolyPhen 2 Score 0.307 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000021056
Gene: ENSMUSG00000001027
AA Change: R1457H

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 0.5597 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.8%
  • 20x: 94.1%
Validation Efficiency 99% (87/88)
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: 83 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acin1 A T 14: 54,901,995 (GRCm39) V559E probably benign Het
Adamts20 A G 15: 94,236,340 (GRCm39) F844L probably benign Het
Adcy5 C A 16: 35,118,794 (GRCm39) D1048E probably damaging Het
Agrn A T 4: 156,259,630 (GRCm39) C768* probably null Het
Aldh18a1 G T 19: 40,553,282 (GRCm39) Q487K probably damaging Het
Aldh3b1 G A 19: 3,971,271 (GRCm39) probably benign Het
Asb18 T G 1: 89,896,302 (GRCm39) D246A probably benign Het
Atp2b1 T C 10: 98,832,750 (GRCm39) V417A probably damaging Het
Bcl2l15 A G 3: 103,745,914 (GRCm39) probably null Het
Brd10 A T 19: 29,720,998 (GRCm39) S743T probably damaging Het
Cage1 T A 13: 38,207,309 (GRCm39) K285* probably null Het
Ccn2 A C 10: 24,472,695 (GRCm39) T202P probably damaging Het
Cldn17 A G 16: 88,303,444 (GRCm39) L95P probably damaging Het
Cldn20 A T 17: 3,583,157 (GRCm39) D110V probably damaging Het
Cnot10 T C 9: 114,444,067 (GRCm39) T443A probably benign Het
Col14a1 T A 15: 55,310,858 (GRCm39) probably benign Het
Col23a1 T C 11: 51,418,716 (GRCm39) Y135H unknown Het
Cse1l T C 2: 166,768,331 (GRCm39) S210P probably damaging Het
Cspg4 T G 9: 56,796,027 (GRCm39) V1254G probably damaging Het
Dip2c A G 13: 9,709,404 (GRCm39) T1415A probably damaging Het
Epc2 A G 2: 49,422,117 (GRCm39) Y337C probably damaging Het
Epha2 A G 4: 141,049,963 (GRCm39) S799G probably damaging Het
Fndc10 A G 4: 155,779,355 (GRCm39) Y133C probably damaging Het
Gli3 G T 13: 15,900,882 (GRCm39) S1423I probably benign Het
Gm6034 A T 17: 36,354,045 (GRCm39) probably benign Het
Gmip A G 8: 70,263,882 (GRCm39) S109G probably damaging Het
Grik2 C A 10: 49,399,842 (GRCm39) W296L possibly damaging Het
Gucy2d T A 7: 98,103,268 (GRCm39) L504H probably damaging Het
Il6 T A 5: 30,218,490 (GRCm39) Y46N possibly damaging Het
Ints8 C A 4: 11,241,684 (GRCm39) C253F probably damaging Het
Itga9 A G 9: 118,527,374 (GRCm39) probably benign Het
Kcna7 T C 7: 45,056,345 (GRCm39) V187A possibly damaging Het
Kdm5b G T 1: 134,540,919 (GRCm39) probably benign Het
Knl1 T G 2: 118,906,815 (GRCm39) S1635A probably damaging Het
Lce1b A G 3: 92,563,318 (GRCm39) S72P unknown Het
Lox T G 18: 52,653,983 (GRCm39) probably null Het
Mdc1 A G 17: 36,158,718 (GRCm39) D366G possibly damaging Het
Meiob T C 17: 25,053,021 (GRCm39) C344R probably damaging Het
Mier2 A G 10: 79,384,664 (GRCm39) V150A probably damaging Het
Mon2 A T 10: 122,867,002 (GRCm39) M551K probably damaging Het
Mrps15 A G 4: 125,945,187 (GRCm39) T125A probably benign Het
Mtmr14 A G 6: 113,230,693 (GRCm39) H99R probably damaging Het
Mup4 A G 4: 59,960,598 (GRCm39) M1T probably null Het
Mup5 G A 4: 61,750,607 (GRCm39) R179* probably null Het
Ncoa3 T G 2: 165,911,221 (GRCm39) V1326G possibly damaging Het
Noa1 A T 5: 77,455,428 (GRCm39) N429K probably benign Het
Nrxn1 C T 17: 90,469,832 (GRCm39) A241T probably damaging Het
Or1p1 A T 11: 74,180,126 (GRCm39) Y218F probably damaging Het
Or2t49 C T 11: 58,392,765 (GRCm39) V206M probably damaging Het
Pcdh9 G A 14: 94,125,471 (GRCm39) S233L probably damaging Het
Peg3 C A 7: 6,712,900 (GRCm39) S774I possibly damaging Het
Phyh A G 2: 4,942,620 (GRCm39) K321R probably null Het
Plcg1 T A 2: 160,573,840 (GRCm39) M35K probably damaging Het
Pnisr C T 4: 21,874,086 (GRCm39) probably benign Het
Ppargc1b T A 18: 61,440,275 (GRCm39) probably null Het
Prcd A C 11: 116,548,371 (GRCm39) S27R probably benign Het
Prx T A 7: 27,216,948 (GRCm39) M622K probably benign Het
Psmd1 T A 1: 85,999,567 (GRCm39) D51E probably damaging Het
Psmd13 C T 7: 140,463,430 (GRCm39) T38I probably damaging Het
Ptprf A C 4: 118,082,096 (GRCm39) D1047E possibly damaging Het
Rai14 C A 15: 10,633,314 (GRCm39) Q25H probably damaging Het
Riiad1 G A 3: 94,380,176 (GRCm39) P40S possibly damaging Het
Rnft1 T A 11: 86,377,096 (GRCm39) N53K probably benign Het
Sema6c A T 3: 95,078,099 (GRCm39) I492F probably damaging Het
Shbg T C 11: 69,505,798 (GRCm39) H403R probably damaging Het
Slc15a5 A T 6: 138,049,845 (GRCm39) probably benign Het
Slc38a1 G A 15: 96,485,016 (GRCm39) T221M probably damaging Het
Slc6a16 T A 7: 44,910,600 (GRCm39) V375E possibly damaging Het
Slc6a17 T A 3: 107,379,492 (GRCm39) M559L probably damaging Het
Slmap A G 14: 26,181,373 (GRCm39) probably benign Het
Sorcs2 G A 5: 36,184,092 (GRCm39) R965W probably damaging Het
St8sia4 C A 1: 95,581,394 (GRCm39) R116L probably damaging Het
Tcaf1 A C 6: 42,652,272 (GRCm39) S737A possibly damaging Het
Thbs2 T A 17: 14,899,072 (GRCm39) Y676F probably benign Het
Tmod2 A G 9: 75,493,324 (GRCm39) probably benign Het
Trim75 T C 8: 65,435,391 (GRCm39) probably null Het
Ubr5 A T 15: 38,042,090 (GRCm39) S169T probably benign Het
Usp54 A T 14: 20,633,508 (GRCm39) Y37* probably null Het
Vill T C 9: 118,895,082 (GRCm39) F100S probably damaging Het
Vstm5 A G 9: 15,168,663 (GRCm39) R76G probably benign Het
Zfp608 T C 18: 55,032,321 (GRCm39) T540A probably benign Het
Zfp947 A C 17: 22,365,184 (GRCm39) N163K probably benign Het
Zfyve26 T C 12: 79,308,573 (GRCm39) H228R possibly 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
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
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'- TGCCCGACTCTTTCTTGACGTAGG -3'
(R):5'- AGGACAAGCCACATGGCTACTCTC -3'

Sequencing Primer
(F):5'- TCTTGACGTAGGCGAAGTTAGAC -3'
(R):5'- CTAAGAGCCCTAGAAGCCGTG -3'
Posted On 2014-05-14