Incidental Mutation 'R2002:Scn2a'
ID 223142
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 040012-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2002 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 65451115-65597791 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 65512427 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glutamine at position 188 (R188Q)
Ref Sequence ENSEMBL: ENSMUSP00000143882 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028377] [ENSMUST00000100067] [ENSMUST00000144254] [ENSMUST00000200829]
AlphaFold B1AWN6
Predicted Effect probably null
Transcript: ENSMUST00000028377
AA Change: R188Q

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318
AA Change: R188Q

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 null
Transcript: ENSMUST00000100067
AA Change: R188Q

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318
AA Change: R188Q

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 null
Transcript: ENSMUST00000144254
AA Change: R188Q

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000117955
Gene: ENSMUSG00000075318
AA Change: R188Q

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 null
Transcript: ENSMUST00000200829
AA Change: R188Q

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318
AA Change: R188Q

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 0.9032 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.2%
  • 20x: 91.6%
Validation Efficiency 97% (72/74)
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: 75 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930548G14Rik T C 15: 46,489,002 (GRCm39) noncoding transcript Het
Abcb4 T A 5: 8,955,989 (GRCm39) S98T probably benign Het
Acan T C 7: 78,750,541 (GRCm39) S1771P probably damaging Het
Acvr1c T A 2: 58,205,987 (GRCm39) Q41L probably benign Het
Ak2 T A 4: 128,902,022 (GRCm39) S232T probably benign Het
Akr1e1 T A 13: 4,657,564 (GRCm39) probably benign Het
Ano7 T C 1: 93,328,303 (GRCm39) probably benign Het
Aox1 T A 1: 58,086,300 (GRCm39) H68Q possibly damaging Het
Apaf1 A G 10: 90,897,676 (GRCm39) V269A possibly damaging Het
Apba2 A T 7: 64,383,290 (GRCm39) I368F probably damaging Het
Armc3 A G 2: 19,293,747 (GRCm39) M513V probably benign Het
Asb5 G A 8: 55,036,655 (GRCm39) V116M probably damaging Het
Atg16l2 A G 7: 100,944,127 (GRCm39) S280P possibly damaging Het
Atp6v0c G T 17: 24,383,835 (GRCm39) T40K probably damaging Het
Cdk2ap2 A G 19: 4,147,903 (GRCm39) M57V possibly damaging Het
Cip2a T C 16: 48,826,214 (GRCm39) probably benign Het
Ctnnd1 T C 2: 84,450,704 (GRCm39) N172S probably benign Het
Ddx55 T A 5: 124,704,503 (GRCm39) V370E probably damaging Het
Ddx6 A G 9: 44,518,831 (GRCm39) T48A probably benign Het
Dnah10 C T 5: 124,911,052 (GRCm39) R4490W probably damaging Het
Dspp T A 5: 104,326,425 (GRCm39) S929R unknown Het
Erbb3 T C 10: 128,422,094 (GRCm39) Y50C probably benign Het
Fam209 C A 2: 172,314,689 (GRCm39) N59K probably benign Het
Fgd3 T C 13: 49,449,931 (GRCm39) E106G probably benign Het
Frmd4a A C 2: 4,577,176 (GRCm39) K344T probably damaging Het
Gbe1 A G 16: 70,325,814 (GRCm39) E617G probably damaging Het
Gm5089 T A 14: 122,673,686 (GRCm39) I12F unknown Het
Gm7052 T A 17: 22,258,920 (GRCm39) probably benign Het
Gria1 A T 11: 56,902,930 (GRCm39) N24I possibly damaging Het
Grin2b T C 6: 135,710,243 (GRCm39) E1101G probably damaging Het
Hjurp GT GTT 1: 88,194,246 (GRCm39) probably null Het
Kcnma1 A C 14: 23,387,097 (GRCm39) S982A probably damaging Het
Khdrbs3 T A 15: 68,885,328 (GRCm39) probably benign Het
Kif23 A T 9: 61,834,666 (GRCm39) C426* probably null Het
Lmo7 G T 14: 102,124,497 (GRCm39) A319S probably benign Het
Ly6c1 T A 15: 74,920,342 (GRCm39) T7S possibly damaging Het
Magel2 G A 7: 62,028,844 (GRCm39) V583I unknown Het
Mamdc4 A T 2: 25,457,244 (GRCm39) W548R probably damaging Het
Mfsd2a C T 4: 122,850,609 (GRCm39) R88Q probably damaging Het
Mkrn1 T C 6: 39,382,737 (GRCm39) T158A probably benign Het
Mroh2b G T 15: 4,955,166 (GRCm39) D720Y probably damaging Het
Mycbp2 A G 14: 103,485,839 (GRCm39) V1041A probably damaging Het
Ncam2 A T 16: 81,386,586 (GRCm39) H655L possibly damaging Het
Npas2 T C 1: 39,377,276 (GRCm39) V546A probably benign Het
Nrxn3 G A 12: 90,299,089 (GRCm39) A400T probably damaging Het
Oog3 G T 4: 143,884,675 (GRCm39) H420Q possibly damaging Het
Or3a10 A T 11: 73,935,865 (GRCm39) S78R possibly damaging Het
Or5ap2 T A 2: 85,680,744 (GRCm39) V316E probably benign Het
Or8k28 T C 2: 86,285,817 (GRCm39) H266R probably benign Het
Pak5 T A 2: 135,958,557 (GRCm39) H177L probably benign Het
Pcca A G 14: 123,124,477 (GRCm39) I683V probably benign Het
Pea15a T C 1: 172,026,252 (GRCm39) I90V probably benign Het
Plagl1 C A 10: 13,004,402 (GRCm39) probably benign Het
Prmt1 A G 7: 44,628,148 (GRCm39) V237A probably damaging Het
Ptprz1 T A 6: 23,027,833 (GRCm39) Y910* probably null Het
Rasal3 T A 17: 32,612,585 (GRCm39) T757S probably damaging Het
Rbbp8 T C 18: 11,860,223 (GRCm39) probably benign Het
S1pr1 A G 3: 115,506,544 (GRCm39) S17P probably benign Het
Scel G A 14: 103,779,421 (GRCm39) V131M probably damaging Het
Snap29 T A 16: 17,224,190 (GRCm39) Y68* probably null Het
Spdl1 T C 11: 34,713,473 (GRCm39) T199A probably benign Het
Srbd1 T C 17: 86,449,828 (GRCm39) N14D probably benign Het
Ston1 G A 17: 88,942,957 (GRCm39) G121D probably benign Het
Syt16 G A 12: 74,281,977 (GRCm39) G367E possibly damaging Het
Tdpoz1 T C 3: 93,578,710 (GRCm39) T25A possibly damaging Het
Tmem182 T A 1: 40,845,355 (GRCm39) Y77N probably damaging Het
Tmprss11f A T 5: 86,687,627 (GRCm39) probably benign Het
Trp73 T C 4: 154,165,902 (GRCm39) T56A probably damaging Het
Trpm3 A G 19: 22,959,947 (GRCm39) K1194R probably damaging Het
Ttc39c T A 18: 12,830,935 (GRCm39) probably null Het
Ube4b T C 4: 149,468,254 (GRCm39) D174G probably benign Het
Vmn1r211 A T 13: 23,035,953 (GRCm39) M238K probably damaging Het
Wsb2 T A 5: 117,508,798 (GRCm39) N77K probably benign Het
Xkr4 C T 1: 3,741,318 (GRCm39) R85Q probably benign Het
Zmynd11 T A 13: 9,739,514 (GRCm39) probably null 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
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'- ACCTAGAGTCTCTATTCATGTGTG -3'
(R):5'- CCAACTGAGCTGCTATTGGG -3'

Sequencing Primer
(F):5'- CATCTTTAGGATATGAACACTTGGGG -3'
(R):5'- GGATCATTCCTAATTTCTCCAGACTG -3'
Posted On 2014-08-25