Incidental Mutation 'R7073:Scn2a'
ID 549001
Institutional Source Beutler Lab
Gene Symbol Scn2a
Ensembl Gene ENSMUSG00000075318
Gene Name sodium channel, voltage-gated, type II, alpha
Synonyms A230052E19Rik, Nav1.2, Scn2a1
MMRRC Submission 045169-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7073 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 65451115-65597791 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 65558787 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Arginine at position 1194 (L1194R)
Ref Sequence ENSEMBL: ENSMUSP00000028377 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028377] [ENSMUST00000100067] [ENSMUST00000200829] [ENSMUST00000202508]
AlphaFold B1AWN6
Predicted Effect probably benign
Transcript: ENSMUST00000028377
AA Change: L1194R

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318
AA Change: L1194R

DomainStartEndE-ValueType
Pfam:Ion_trans 128 436 2.2e-81 PFAM
low complexity region 450 471 N/A INTRINSIC
Pfam:Na_trans_cytopl 505 710 9.6e-83 PFAM
Pfam:Ion_trans 759 994 3.6e-57 PFAM
Pfam:Na_trans_assoc 998 1204 1.7e-63 PFAM
Pfam:Ion_trans 1208 1484 3.3e-66 PFAM
Pfam:Ion_trans 1531 1788 2.8e-57 PFAM
Pfam:PKD_channel 1627 1782 8.6e-7 PFAM
IQ 1905 1927 3.59e-3 SMART
low complexity region 1967 1975 N/A INTRINSIC
low complexity region 1981 2000 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000100067
AA Change: L1194R

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318
AA Change: L1194R

DomainStartEndE-ValueType
Pfam:Ion_trans 157 424 3.3e-75 PFAM
low complexity region 433 448 N/A INTRINSIC
low complexity region 450 471 N/A INTRINSIC
Pfam:DUF3451 488 711 2.6e-66 PFAM
Pfam:Ion_trans 794 983 1.1e-47 PFAM
Pfam:Na_trans_assoc 998 1219 3.5e-77 PFAM
Pfam:Ion_trans 1245 1473 4.4e-55 PFAM
PDB:1BYY|A 1475 1527 3e-31 PDB
Pfam:Ion_trans 1566 1776 2.4e-52 PFAM
Pfam:PKD_channel 1628 1783 3.6e-7 PFAM
IQ 1905 1927 3.59e-3 SMART
low complexity region 1967 1975 N/A INTRINSIC
low complexity region 1981 2000 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000200829
AA Change: L1194R

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318
AA Change: L1194R

DomainStartEndE-ValueType
Pfam:Ion_trans 128 436 1.2e-79 PFAM
low complexity region 450 471 N/A INTRINSIC
Pfam:Na_trans_cytopl 505 710 7.1e-80 PFAM
Pfam:Ion_trans 759 994 2.1e-55 PFAM
Pfam:Na_trans_assoc 998 1204 8e-61 PFAM
Pfam:Ion_trans 1208 1484 1.9e-64 PFAM
Pfam:Ion_trans 1531 1788 1.6e-55 PFAM
Pfam:PKD_channel 1627 1782 1.2e-4 PFAM
IQ 1905 1927 1.8e-5 SMART
low complexity region 1967 1975 N/A INTRINSIC
low complexity region 1981 2000 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000202162
Predicted Effect probably benign
Transcript: ENSMUST00000202508
SMART Domains Protein: ENSMUSP00000143958
Gene: ENSMUSG00000075318

DomainStartEndE-ValueType
Pfam:Na_trans_assoc 1 106 1.9e-19 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency
MGI Phenotype FUNCTION: Voltage-gated sodium channels are transmembrane glycoprotein complexes composed of a large alpha subunit with four repeat domains, each of which is composed of six membrane-spanning segments, and one or more regulatory beta subunits. Voltage-gated sodium channels 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. In humans, variants of this gene are associated with seizure disorders and autism spectrum disorder. Mice homozygous for a knockout mutation die with severe hypoxia and extensive neuronal cell death, while gain of function mutations result in progressive seizure disorder. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2016]
PHENOTYPE: Homozygotes for a targeted mutation exhibit excess neuronal apoptosis (especially in the brainstem), reduced neuronal sodium channel currents in vitro, and severe hypoxia resulting in neonatal lethality. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 80 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrv1 T G 13: 81,709,593 (GRCm39) E1133D probably damaging Het
Ankrd13b A T 11: 77,363,335 (GRCm39) D505E probably benign Het
Ano1 C T 7: 144,192,289 (GRCm39) E361K probably damaging Het
Arap3 T A 18: 38,107,495 (GRCm39) K1341* probably null Het
Arhgef17 A C 7: 100,579,198 (GRCm39) Y583* probably null Het
Ash1l G A 3: 88,892,647 (GRCm39) E1509K probably damaging Het
B430305J03Rik T G 3: 61,271,681 (GRCm39) R21S unknown Het
Bbof1 A G 12: 84,473,609 (GRCm39) E313G probably damaging Het
Catsperb C T 12: 101,475,497 (GRCm39) T347I probably benign Het
Ccdc24 G T 4: 117,729,201 (GRCm39) A92D probably damaging Het
Ccdc63 T C 5: 122,249,073 (GRCm39) T419A probably benign Het
Ccdc7a C T 8: 129,618,866 (GRCm39) V893I possibly damaging Het
Ccdc88b G T 19: 6,831,330 (GRCm39) D537E probably benign Het
Cd276 T C 9: 58,444,615 (GRCm39) S119G probably damaging Het
Cdkn3 T C 14: 47,004,647 (GRCm39) Y70H possibly damaging Het
Cdo1 G A 18: 46,861,266 (GRCm39) probably benign Het
Cdr2 A T 7: 120,581,247 (GRCm39) F10Y probably damaging Het
Cep290 A T 10: 100,374,865 (GRCm39) K1370N possibly damaging Het
Crb1 T A 1: 139,176,049 (GRCm39) I645F probably damaging Het
Cul7 T C 17: 46,969,657 (GRCm39) W975R probably damaging Het
Ddx39b A C 17: 35,471,826 (GRCm39) E324A probably benign Het
Diaph1 T G 18: 38,022,867 (GRCm39) probably null Het
Dnah2 G A 11: 69,321,318 (GRCm39) R3917* probably null Het
Dnph1 T A 17: 46,807,815 (GRCm39) L27Q probably damaging Het
Duox2 A G 2: 122,119,788 (GRCm39) F880S probably damaging Het
Ell2 C A 13: 75,910,006 (GRCm39) L119M probably damaging Het
Enpep A T 3: 129,106,319 (GRCm39) Y302* probably null Het
Ergic2 G T 6: 148,096,707 (GRCm39) H186Q probably damaging Het
Fam83b T C 9: 76,453,031 (GRCm39) D12G probably benign Het
Fbxw16 A T 9: 109,270,123 (GRCm39) V206D probably damaging Het
Fhod1 A T 8: 106,063,771 (GRCm39) V278D unknown Het
Gba2 G C 4: 43,573,753 (GRCm39) Q180E probably damaging Het
Grhl3 G A 4: 135,300,723 (GRCm39) L5F probably benign Het
H2-T15 A T 17: 36,369,235 (GRCm39) C7S unknown Het
Ifit1bl1 C T 19: 34,576,667 (GRCm39) probably null Het
Ift57 A G 16: 49,584,230 (GRCm39) T413A probably benign Het
Itga2 A G 13: 114,996,149 (GRCm39) F714S probably damaging Het
Jmy A G 13: 93,577,841 (GRCm39) S776P probably benign Het
Kbtbd8 G A 6: 95,098,814 (GRCm39) A108T probably damaging Het
Kpna6 G A 4: 129,548,139 (GRCm39) A230V probably damaging Het
Lrfn1 C T 7: 28,159,397 (GRCm39) L439F possibly damaging Het
Lrrc1 T A 9: 77,375,847 (GRCm39) I147F probably benign Het
Lrrc7 C T 3: 157,832,884 (GRCm39) G1425R probably damaging Het
Madd T A 2: 90,992,854 (GRCm39) I1022F probably damaging Het
Map2k2 A T 10: 80,942,017 (GRCm39) T13S probably benign Het
Mdc1 G A 17: 36,164,960 (GRCm39) V1459I probably benign Het
Mdh1b G A 1: 63,760,719 (GRCm39) T114M probably damaging Het
Mfsd2a T C 4: 122,845,088 (GRCm39) I208V possibly damaging Het
Mmrn1 T A 6: 60,965,411 (GRCm39) D1147E probably damaging Het
Nbeal2 T A 9: 110,455,177 (GRCm39) I2574F probably damaging Het
Nr1d1 T G 11: 98,662,892 (GRCm39) S34R probably damaging Het
Nr3c1 A T 18: 39,619,449 (GRCm39) D279E probably benign Het
Nrde2 T C 12: 100,098,747 (GRCm39) D640G probably benign Het
Odf4 A G 11: 68,817,514 (GRCm39) L58P probably damaging Het
Or4k41 A T 2: 111,279,631 (GRCm39) I49F probably benign Het
Or4p22 A T 2: 88,317,651 (GRCm39) I192F probably benign Het
Otud6b A C 4: 14,811,743 (GRCm39) M300R probably damaging Het
Pamr1 T A 2: 102,471,280 (GRCm39) D534E probably benign Het
Pcdh7 T A 5: 57,878,299 (GRCm39) V618E probably benign Het
Pcgf6 A C 19: 47,031,226 (GRCm39) N266K possibly damaging Het
Plcz1 A T 6: 139,968,849 (GRCm39) Y196* probably null Het
Plxna1 A T 6: 89,334,311 (GRCm39) L106Q probably damaging Het
Qrich2 G A 11: 116,337,701 (GRCm39) A184V probably damaging Het
Rimkla A G 4: 119,325,275 (GRCm39) L378S probably benign Het
Rufy1 G T 11: 50,295,290 (GRCm39) H472Q probably benign Het
Samd7 T A 3: 30,810,631 (GRCm39) M216K probably benign Het
Samd9l A T 6: 3,375,856 (GRCm39) Y468* probably null Het
Sgo2a T A 1: 58,056,944 (GRCm39) S1043T possibly damaging Het
Slc6a17 G T 3: 107,378,755 (GRCm39) H642Q probably benign Het
Smox C T 2: 131,364,031 (GRCm39) A45V possibly damaging Het
St6galnac3 T A 3: 153,117,274 (GRCm39) T150S possibly damaging Het
Strip2 T A 6: 29,941,911 (GRCm39) I627N possibly damaging Het
Sv2c A T 13: 96,224,758 (GRCm39) C184S probably damaging Het
Tm7sf2 A T 19: 6,116,527 (GRCm39) probably null Het
Ttc28 T C 5: 111,371,282 (GRCm39) I608T possibly damaging Het
Vmn1r183 T G 7: 23,754,926 (GRCm39) L243R probably damaging Het
Vmn1r68 T C 7: 10,261,778 (GRCm39) T107A probably benign Het
Vnn3 G A 10: 23,740,311 (GRCm39) G205R probably damaging Het
Zfp516 T A 18: 83,006,325 (GRCm39) probably null Het
Zpbp2 A G 11: 98,443,335 (GRCm39) D56G probably damaging Het
Other mutations in Scn2a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00088:Scn2a APN 2 65,594,784 (GRCm39) missense probably benign
IGL00159:Scn2a APN 2 65,573,434 (GRCm39) missense probably damaging 1.00
IGL00418:Scn2a APN 2 65,594,866 (GRCm39) missense probably benign 0.43
IGL00753:Scn2a APN 2 65,514,207 (GRCm39) missense possibly damaging 0.66
IGL00770:Scn2a APN 2 65,566,197 (GRCm39) missense probably damaging 1.00
IGL00774:Scn2a APN 2 65,566,197 (GRCm39) missense probably damaging 1.00
IGL00847:Scn2a APN 2 65,501,078 (GRCm39) missense probably damaging 1.00
IGL01155:Scn2a APN 2 65,548,092 (GRCm39) missense probably damaging 1.00
IGL01329:Scn2a APN 2 65,547,852 (GRCm39) missense probably benign 0.05
IGL01537:Scn2a APN 2 65,546,219 (GRCm39) missense probably benign 0.00
IGL01672:Scn2a APN 2 65,582,278 (GRCm39) missense probably damaging 1.00
IGL01958:Scn2a APN 2 65,532,173 (GRCm39) missense probably damaging 1.00
IGL02028:Scn2a APN 2 65,594,002 (GRCm39) missense probably damaging 0.96
IGL02142:Scn2a APN 2 65,546,182 (GRCm39) missense probably damaging 1.00
IGL02160:Scn2a APN 2 65,560,460 (GRCm39) missense probably damaging 1.00
IGL02183:Scn2a APN 2 65,501,947 (GRCm39) missense probably benign 0.20
IGL02341:Scn2a APN 2 65,518,721 (GRCm39) missense probably damaging 1.00
IGL02504:Scn2a APN 2 65,514,228 (GRCm39) missense probably benign 0.02
IGL02530:Scn2a APN 2 65,560,522 (GRCm39) missense probably damaging 0.99
IGL02621:Scn2a APN 2 65,579,223 (GRCm39) splice site probably benign
IGL02652:Scn2a APN 2 65,532,382 (GRCm39) missense possibly damaging 0.82
IGL02966:Scn2a APN 2 65,532,188 (GRCm39) missense possibly damaging 0.93
IGL03188:Scn2a APN 2 65,501,997 (GRCm39) missense probably damaging 0.99
IGL03329:Scn2a APN 2 65,594,973 (GRCm39) missense probably benign
IGL03336:Scn2a APN 2 65,519,088 (GRCm39) missense probably damaging 1.00
IGL03391:Scn2a APN 2 65,594,557 (GRCm39) missense probably damaging 1.00
PIT4280001:Scn2a UTSW 2 65,546,074 (GRCm39) missense probably damaging 1.00
PIT4362001:Scn2a UTSW 2 65,514,182 (GRCm39) missense probably benign 0.09
PIT4403001:Scn2a UTSW 2 65,542,252 (GRCm39) missense probably damaging 1.00
PIT4520001:Scn2a UTSW 2 65,518,763 (GRCm39) missense probably damaging 1.00
R0021:Scn2a UTSW 2 65,500,859 (GRCm39) missense possibly damaging 0.51
R0141:Scn2a UTSW 2 65,542,160 (GRCm39) missense probably benign 0.01
R0240:Scn2a UTSW 2 65,566,118 (GRCm39) missense probably benign 0.32
R0240:Scn2a UTSW 2 65,566,118 (GRCm39) missense probably benign 0.32
R0335:Scn2a UTSW 2 65,512,435 (GRCm39) missense probably damaging 1.00
R0508:Scn2a UTSW 2 65,548,186 (GRCm39) missense probably damaging 0.99
R0558:Scn2a UTSW 2 65,542,269 (GRCm39) missense probably benign 0.26
R0600:Scn2a UTSW 2 65,532,177 (GRCm39) missense possibly damaging 0.90
R0667:Scn2a UTSW 2 65,582,340 (GRCm39) missense possibly damaging 0.91
R1178:Scn2a UTSW 2 65,517,123 (GRCm39) splice site probably benign
R1244:Scn2a UTSW 2 65,593,999 (GRCm39) missense probably damaging 0.98
R1386:Scn2a UTSW 2 65,519,085 (GRCm39) missense probably damaging 1.00
R1434:Scn2a UTSW 2 65,532,335 (GRCm39) missense possibly damaging 0.79
R1440:Scn2a UTSW 2 65,594,938 (GRCm39) missense probably benign
R1448:Scn2a UTSW 2 65,514,189 (GRCm39) missense probably benign 0.17
R1460:Scn2a UTSW 2 65,532,187 (GRCm39) missense probably damaging 0.96
R1553:Scn2a UTSW 2 65,544,180 (GRCm39) nonsense probably null
R1642:Scn2a UTSW 2 65,514,041 (GRCm39) missense probably damaging 1.00
R1803:Scn2a UTSW 2 65,501,111 (GRCm39) splice site probably null
R1981:Scn2a UTSW 2 65,520,514 (GRCm39) missense probably damaging 1.00
R2002:Scn2a UTSW 2 65,512,427 (GRCm39) missense probably null 1.00
R2068:Scn2a UTSW 2 65,582,417 (GRCm39) missense probably benign 0.14
R2125:Scn2a UTSW 2 65,582,423 (GRCm39) nonsense probably null
R2126:Scn2a UTSW 2 65,582,423 (GRCm39) nonsense probably null
R2876:Scn2a UTSW 2 65,546,241 (GRCm39) missense possibly damaging 0.64
R2878:Scn2a UTSW 2 65,518,715 (GRCm39) missense probably damaging 1.00
R3113:Scn2a UTSW 2 65,579,129 (GRCm39) missense possibly damaging 0.86
R3749:Scn2a UTSW 2 65,544,115 (GRCm39) missense probably damaging 1.00
R3750:Scn2a UTSW 2 65,544,115 (GRCm39) missense probably damaging 1.00
R3765:Scn2a UTSW 2 65,513,054 (GRCm39) missense possibly damaging 0.51
R3850:Scn2a UTSW 2 65,512,375 (GRCm39) missense probably benign 0.14
R4585:Scn2a UTSW 2 65,573,395 (GRCm39) splice site probably null
R4586:Scn2a UTSW 2 65,573,395 (GRCm39) splice site probably null
R4588:Scn2a UTSW 2 65,544,111 (GRCm39) missense possibly damaging 0.76
R4622:Scn2a UTSW 2 65,582,371 (GRCm39) missense probably benign 0.04
R5108:Scn2a UTSW 2 65,518,974 (GRCm39) missense probably damaging 1.00
R5161:Scn2a UTSW 2 65,594,935 (GRCm39) missense probably benign 0.00
R5235:Scn2a UTSW 2 65,582,355 (GRCm39) missense probably damaging 1.00
R5464:Scn2a UTSW 2 65,532,100 (GRCm39) missense probably damaging 1.00
R5586:Scn2a UTSW 2 65,537,639 (GRCm39) nonsense probably null
R5630:Scn2a UTSW 2 65,556,709 (GRCm39) missense probably damaging 1.00
R5715:Scn2a UTSW 2 65,547,928 (GRCm39) missense probably benign 0.27
R5730:Scn2a UTSW 2 65,512,882 (GRCm39) nonsense probably null
R5734:Scn2a UTSW 2 65,548,066 (GRCm39) missense possibly damaging 0.49
R5779:Scn2a UTSW 2 65,594,827 (GRCm39) missense probably benign 0.00
R6133:Scn2a UTSW 2 65,573,448 (GRCm39) missense probably benign 0.35
R6547:Scn2a UTSW 2 65,546,241 (GRCm39) missense probably benign 0.29
R6549:Scn2a UTSW 2 65,595,018 (GRCm39) missense probably benign 0.05
R6818:Scn2a UTSW 2 65,519,013 (GRCm39) nonsense probably null
R6999:Scn2a UTSW 2 65,512,453 (GRCm39) missense probably benign
R7069:Scn2a UTSW 2 65,594,950 (GRCm39) missense probably benign 0.00
R7125:Scn2a UTSW 2 65,594,277 (GRCm39) missense probably damaging 1.00
R7178:Scn2a UTSW 2 65,579,197 (GRCm39) nonsense probably null
R7179:Scn2a UTSW 2 65,532,323 (GRCm39) missense probably damaging 1.00
R7203:Scn2a UTSW 2 65,578,663 (GRCm39) missense probably benign 0.01
R7227:Scn2a UTSW 2 65,582,367 (GRCm39) missense probably damaging 0.98
R7269:Scn2a UTSW 2 65,594,113 (GRCm39) missense probably damaging 1.00
R7358:Scn2a UTSW 2 65,512,850 (GRCm39) nonsense probably null
R7388:Scn2a UTSW 2 65,518,998 (GRCm39) missense probably damaging 1.00
R7491:Scn2a UTSW 2 65,532,352 (GRCm39) missense probably damaging 0.99
R7619:Scn2a UTSW 2 65,546,247 (GRCm39) missense probably damaging 1.00
R7695:Scn2a UTSW 2 65,542,251 (GRCm39) missense probably damaging 0.99
R7735:Scn2a UTSW 2 65,594,013 (GRCm39) missense probably benign 0.40
R7911:Scn2a UTSW 2 65,512,427 (GRCm39) missense probably null 1.00
R8096:Scn2a UTSW 2 65,594,366 (GRCm39) missense probably damaging 0.98
R8172:Scn2a UTSW 2 65,520,672 (GRCm39) missense probably benign 0.01
R8220:Scn2a UTSW 2 65,520,620 (GRCm39) missense probably benign 0.01
R8333:Scn2a UTSW 2 65,514,191 (GRCm39) missense probably benign 0.01
R8416:Scn2a UTSW 2 65,511,345 (GRCm39) missense probably benign 0.00
R8850:Scn2a UTSW 2 65,518,730 (GRCm39) missense probably damaging 1.00
R8897:Scn2a UTSW 2 65,546,002 (GRCm39) critical splice acceptor site probably null
R8977:Scn2a UTSW 2 65,594,014 (GRCm39) missense probably damaging 0.99
R8992:Scn2a UTSW 2 65,594,242 (GRCm39) missense probably damaging 1.00
R9190:Scn2a UTSW 2 65,511,346 (GRCm39) missense probably benign 0.00
R9206:Scn2a UTSW 2 65,548,131 (GRCm39) missense probably damaging 1.00
R9355:Scn2a UTSW 2 65,594,433 (GRCm39) missense probably damaging 1.00
R9452:Scn2a UTSW 2 65,595,163 (GRCm39) missense probably benign
R9529:Scn2a UTSW 2 65,594,932 (GRCm39) missense probably damaging 0.99
R9567:Scn2a UTSW 2 65,518,974 (GRCm39) missense probably damaging 1.00
R9569:Scn2a UTSW 2 65,560,622 (GRCm39) missense probably damaging 1.00
R9657:Scn2a UTSW 2 65,566,032 (GRCm39) missense probably damaging 1.00
R9715:Scn2a UTSW 2 65,579,149 (GRCm39) missense possibly damaging 0.93
R9761:Scn2a UTSW 2 65,566,030 (GRCm39) missense probably damaging 1.00
Z1176:Scn2a UTSW 2 65,582,212 (GRCm39) missense possibly damaging 0.84
Z1177:Scn2a UTSW 2 65,548,079 (GRCm39) missense probably benign 0.07
Predicted Primers PCR Primer
(F):5'- CCACTGCTGATGTTGATTTCTG -3'
(R):5'- AGTATAAGCCGTTGCGAGCTC -3'

Sequencing Primer
(F):5'- GATTTCTGTAAGTGGAAGCCATC -3'
(R):5'- GTTGCGAGCTCGTCCTCAC -3'
Posted On 2019-05-15