Incidental Mutation 'R0508:Scn2a'
ID 47708
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 038703-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0508 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 65451115-65597791 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 65548186 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 1126 (E1126G)
Ref Sequence ENSEMBL: ENSMUSP00000143882 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028377] [ENSMUST00000100067] [ENSMUST00000200829] [ENSMUST00000202508]
AlphaFold B1AWN6
Predicted Effect probably damaging
Transcript: ENSMUST00000028377
AA Change: E1126G

PolyPhen 2 Score 0.985 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318
AA Change: E1126G

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 damaging
Transcript: ENSMUST00000100067
AA Change: E1126G

PolyPhen 2 Score 0.985 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318
AA Change: E1126G

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 damaging
Transcript: ENSMUST00000200829
AA Change: E1126G

PolyPhen 2 Score 0.985 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318
AA Change: E1126G

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 unknown
Transcript: ENSMUST00000202162
AA Change: E89G
Predicted Effect unknown
Transcript: ENSMUST00000202508
AA Change: E97G
SMART Domains Protein: ENSMUSP00000143958
Gene: ENSMUSG00000075318
AA Change: E97G

DomainStartEndE-ValueType
Pfam:Na_trans_assoc 1 106 1.9e-19 PFAM
Meta Mutation Damage Score 0.1318 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.1%
  • 20x: 92.0%
Validation Efficiency 99% (67/68)
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: 68 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik T C 12: 71,211,162 (GRCm39) L632P probably damaging Het
4833439L19Rik A G 13: 54,700,863 (GRCm39) probably null Het
Abca4 T C 3: 121,917,200 (GRCm39) probably benign Het
Adamts10 G T 17: 33,762,692 (GRCm39) G557V probably damaging Het
Adgrg6 T C 10: 14,326,360 (GRCm39) H424R probably benign Het
Ano4 T C 10: 88,816,839 (GRCm39) Q623R probably damaging Het
Ap1g1 T A 8: 110,564,364 (GRCm39) probably benign Het
Ap3b1 T C 13: 94,702,222 (GRCm39) S1092P unknown Het
Arhgap32 A T 9: 32,101,364 (GRCm39) probably benign Het
Arhgap40 A T 2: 158,388,670 (GRCm39) S535C probably damaging Het
Atp9a T C 2: 168,491,446 (GRCm39) probably null Het
Bicral A T 17: 47,136,327 (GRCm39) H294Q possibly damaging Het
Ccdc121rt3 T C 5: 112,502,685 (GRCm39) K340E probably damaging Het
Cdhr5 T A 7: 140,852,812 (GRCm39) H58L probably benign Het
Cenpt T C 8: 106,576,147 (GRCm39) E100G possibly damaging Het
Cep97 A G 16: 55,750,969 (GRCm39) S16P probably benign Het
Clec2i T A 6: 128,870,663 (GRCm39) V67D probably damaging Het
Col22a1 A G 15: 71,805,262 (GRCm39) L146P unknown Het
Coq6 G T 12: 84,414,913 (GRCm39) probably benign Het
Cyp1a1 A G 9: 57,607,588 (GRCm39) Q72R probably benign Het
Ep400 A G 5: 110,887,374 (GRCm39) S570P probably benign Het
Erbin T C 13: 103,970,535 (GRCm39) N1027S probably damaging Het
Exog T A 9: 119,277,444 (GRCm39) probably benign Het
Fahd1 A C 17: 25,068,975 (GRCm39) V34G probably benign Het
Fetub C T 16: 22,748,045 (GRCm39) R74W probably benign Het
Fhip2a T A 19: 57,367,174 (GRCm39) L239Q probably benign Het
Frmpd1 G A 4: 45,284,938 (GRCm39) G1253D unknown Het
Galnt12 A G 4: 47,104,255 (GRCm39) D171G probably damaging Het
Gm973 G T 1: 59,621,649 (GRCm39) probably benign Het
Hdlbp C A 1: 93,342,533 (GRCm39) probably null Het
Il1rl1 T A 1: 40,490,877 (GRCm39) I386N possibly damaging Het
Itgav T C 2: 83,623,002 (GRCm39) probably benign Het
Magoh A C 4: 107,742,195 (GRCm39) K114Q possibly damaging Het
Mdfic2 T C 6: 98,215,005 (GRCm39) probably benign Het
Mki67 A T 7: 135,302,075 (GRCm39) D986E probably benign Het
Muc4 G A 16: 32,570,131 (GRCm39) S397N possibly damaging Het
Nckap5 T C 1: 125,909,121 (GRCm39) probably null Het
Neu1 A G 17: 35,151,760 (GRCm39) I185V probably benign Het
Nkiras1 T A 14: 18,278,524 (GRCm38) D79E probably damaging Het
Nkx3-1 A G 14: 69,428,350 (GRCm39) E66G probably benign Het
Or51a5 A T 7: 102,771,193 (GRCm39) I262N possibly damaging Het
Osbpl11 T A 16: 33,016,465 (GRCm39) N73K probably benign Het
Otulin C T 15: 27,608,944 (GRCm39) V2I possibly damaging Het
Pdss2 CGGAG CG 10: 43,097,927 (GRCm39) probably benign Het
Pld2 T C 11: 70,443,368 (GRCm39) M421T probably damaging Het
Rgs11 A G 17: 26,426,443 (GRCm39) probably benign Het
Rrad A T 8: 105,356,500 (GRCm39) D133E possibly damaging Het
Scaf11 A G 15: 96,318,368 (GRCm39) S399P probably damaging Het
Sccpdh A G 1: 179,508,080 (GRCm39) probably null Het
Selenop T G 15: 3,305,202 (GRCm39) D119E probably benign Het
Serpinb3c T A 1: 107,204,651 (GRCm39) S32C probably damaging Het
Serpine1 C A 5: 137,093,770 (GRCm39) K315N probably benign Het
Slc27a1 T C 8: 72,032,872 (GRCm39) probably benign Het
Slc4a8 G A 15: 100,686,973 (GRCm39) R259Q probably benign Het
Smtnl2 C T 11: 72,293,962 (GRCm39) R198Q probably damaging Het
Spta1 A C 1: 174,052,023 (GRCm39) Y1819S probably damaging Het
Stard3 T A 11: 98,263,140 (GRCm39) I65N probably damaging Het
Tfrc T C 16: 32,448,997 (GRCm39) L712P probably damaging Het
Tmem201 G A 4: 149,816,343 (GRCm39) R62C probably damaging Het
Trim5 A T 7: 103,914,811 (GRCm39) F410L probably null Het
Txndc2 T A 17: 65,944,948 (GRCm39) I410F probably benign Het
Urb1 C T 16: 90,580,150 (GRCm39) probably benign Het
Vmn1r34 A T 6: 66,614,392 (GRCm39) F115L probably benign Het
Vnn1 T C 10: 23,770,910 (GRCm39) V46A probably benign Het
Xrn1 T A 9: 95,933,789 (GRCm39) S1615R probably benign Het
Zfand4 T A 6: 116,262,828 (GRCm39) C118S probably damaging Het
Zfp952 G A 17: 33,221,979 (GRCm39) E115K possibly damaging Het
Zfpm1 T C 8: 123,061,872 (GRCm39) F368L 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
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
R7073:Scn2a UTSW 2 65,558,787 (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'- GCCTTTGTCAGAAAGCAGAAAGCTC -3'
(R):5'- CACACTAAAACCACTGTTGTGGTGAAC -3'

Sequencing Primer
(F):5'- GGACCTGAATTACCTCAAAGATG -3'
(R):5'- ACCACTGTTGTGGTGAACTATAAGG -3'
Posted On 2013-06-12