Incidental Mutation 'R5108:Scn2a'
ID 393642
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 042696-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5108 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 65451115-65597791 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 65518974 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 400 (T400I)
Ref Sequence ENSEMBL: ENSMUSP00000143882 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028377] [ENSMUST00000100067] [ENSMUST00000144254] [ENSMUST00000200829]
AlphaFold B1AWN6
Predicted Effect probably damaging
Transcript: ENSMUST00000028377
AA Change: T400I

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318
AA Change: T400I

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: T400I

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318
AA Change: T400I

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 noncoding transcript
Transcript: ENSMUST00000138368
Predicted Effect probably damaging
Transcript: ENSMUST00000144254
AA Change: T400I

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000117955
Gene: ENSMUSG00000075318
AA Change: T400I

DomainStartEndE-ValueType
Pfam:Ion_trans 128 436 7.2e-81 PFAM
low complexity region 450 471 N/A INTRINSIC
low complexity region 484 502 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000200829
AA Change: T400I

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318
AA Change: T400I

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
Meta Mutation Damage Score 0.6467 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.3%
  • 20x: 92.5%
Validation Efficiency 99% (79/80)
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: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aass T A 6: 23,094,207 (GRCm39) N94Y probably damaging Het
Ak2 A G 4: 128,896,034 (GRCm39) T104A probably damaging Het
Alox12b G T 11: 69,048,208 (GRCm39) A46S probably benign Het
Ank1 G T 8: 23,622,571 (GRCm39) V1662F probably benign Het
Anxa3 T C 5: 96,978,273 (GRCm39) I219T possibly damaging Het
Aoc1l3 C T 6: 48,965,504 (GRCm39) T504I probably damaging Het
Arhgap40 G A 2: 158,389,599 (GRCm39) V588M probably damaging Het
Arhgef38 T C 3: 132,843,029 (GRCm39) T514A probably benign Het
Ascl4 C A 10: 85,764,422 (GRCm39) A23E probably benign Het
Bcl11b T C 12: 107,931,985 (GRCm39) T196A probably benign Het
C1ra A T 6: 124,499,881 (GRCm39) Y689F probably damaging Het
Ccr3 A G 9: 123,828,968 (GRCm39) N101S probably benign Het
Cep70 A T 9: 99,145,865 (GRCm39) probably null Het
Ces1b A G 8: 93,798,541 (GRCm39) V215A probably damaging Het
Cndp1 A T 18: 84,650,186 (GRCm39) I169N probably damaging Het
Dnase1l1 C T X: 73,320,644 (GRCm39) probably null Het
Fbxo2 A G 4: 148,250,486 (GRCm39) Q275R probably damaging Het
Fbxo44 T C 4: 148,243,020 (GRCm39) N133S probably damaging Het
Fzr1 C T 10: 81,205,284 (GRCm39) probably benign Het
Grn T C 11: 102,325,228 (GRCm39) S213P probably benign Het
Ifi203 A T 1: 173,751,580 (GRCm39) C414S probably damaging Het
Igfn1 C T 1: 135,910,179 (GRCm39) R135H probably benign Het
Kcnk10 T C 12: 98,401,560 (GRCm39) M358V probably benign Het
Kcnn2 A T 18: 45,725,122 (GRCm39) Y471F probably damaging Het
Klhl20 A T 1: 160,926,820 (GRCm39) V391E probably damaging Het
Krt1c C T 15: 101,721,721 (GRCm39) G440D possibly damaging Het
Lpin1 A T 12: 16,623,716 (GRCm39) Y223N probably benign Het
Luzp2 G A 7: 54,915,038 (GRCm39) C321Y probably damaging Het
Mcm3ap T C 10: 76,338,536 (GRCm39) V1388A probably benign Het
Mdga2 A T 12: 66,533,515 (GRCm39) H223Q probably benign Het
Mgat4e G T 1: 134,468,961 (GRCm39) P361Q probably benign Het
Mylk3 A T 8: 86,085,721 (GRCm39) I208N possibly damaging Het
Myom2 T A 8: 15,182,667 (GRCm39) V1368E probably damaging Het
Mypn C T 10: 62,972,073 (GRCm39) D656N probably damaging Het
Nat10 C A 2: 103,562,548 (GRCm39) R596L probably damaging Het
Nek8 T C 11: 78,063,353 (GRCm39) D137G probably damaging Het
Neurl1a A G 19: 47,246,074 (GRCm39) K552E probably damaging Het
Npdc1 C T 2: 25,298,667 (GRCm39) H260Y probably damaging Het
Nuggc A T 14: 65,876,129 (GRCm39) I581F probably damaging Het
Or8d23 T A 9: 38,842,151 (GRCm39) I228N probably damaging Het
P2rx6 T C 16: 17,380,037 (GRCm39) Y54H probably damaging Het
Pcmtd2 A G 2: 181,486,216 (GRCm39) E112G probably damaging Het
Pcnx4 G A 12: 72,620,855 (GRCm39) V892I probably benign Het
Pdss1 T A 2: 22,796,895 (GRCm39) V136E possibly damaging Het
Pias3 T C 3: 96,612,253 (GRCm39) L561P possibly damaging Het
Pomgnt1 G A 4: 116,013,453 (GRCm39) probably benign Het
Sec24d T A 3: 123,099,434 (GRCm39) probably null Het
Sftpb T G 6: 72,281,640 (GRCm39) L11R probably damaging Het
Slc22a19 A G 19: 7,688,536 (GRCm39) I8T probably benign Het
Slc22a30 A G 19: 8,363,790 (GRCm39) S266P probably damaging Het
Slc36a2 C A 11: 55,050,214 (GRCm39) G465W probably damaging Het
Slc4a2 G A 5: 24,644,331 (GRCm39) M976I probably damaging Het
Smcr8 C T 11: 60,670,696 (GRCm39) Q615* probably null Het
Sobp T C 10: 43,036,815 (GRCm39) E41G probably damaging Het
Spopfm1 C T 3: 94,173,142 (GRCm39) S50L probably damaging Het
Spz1 A T 13: 92,711,554 (GRCm39) C307* probably null Het
Sult1d1 C T 5: 87,711,728 (GRCm39) probably null Het
Tas2r110 T C 6: 132,845,668 (GRCm39) M233T probably damaging Het
Tmc3 C A 7: 83,269,156 (GRCm39) S781R probably damaging Het
Tmem234 G T 4: 129,495,730 (GRCm39) probably benign Het
Trpm3 A T 19: 22,882,078 (GRCm39) Q645L probably benign Het
Ttn C A 2: 76,565,055 (GRCm39) V28391F probably damaging Het
Txnrd3 G T 6: 89,650,016 (GRCm39) A425S probably benign Het
Ubr1 C T 2: 120,793,903 (GRCm39) G94R probably benign Het
Ufl1 A G 4: 25,269,026 (GRCm39) probably null Het
Utp20 T C 10: 88,604,735 (GRCm39) D1720G probably benign Het
Vmn1r13 T A 6: 57,186,901 (GRCm39) M20K probably benign Het
Vmn1r61 A G 7: 5,613,519 (GRCm39) I265T probably benign Het
Zfp120 T C 2: 149,961,862 (GRCm39) T29A 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
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'- ACTCAAGACTTCTGGGAAAACC -3'
(R):5'- CCTGCCAACTTTACCTGAGC -3'

Sequencing Primer
(F):5'- CTGGGAAAACCTTTATCAGCTGG -3'
(R):5'- GAGCTTCTTCTTGCTGCTTCTTAAG -3'
Posted On 2016-06-15