Incidental Mutation 'R2068:Scn2a'
ID 226813
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 040073-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2068 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 65451115-65597791 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 65582417 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Glutamine at position 1588 (H1588Q)
Ref Sequence ENSEMBL: ENSMUSP00000097645 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028377] [ENSMUST00000100067] [ENSMUST00000200829]
AlphaFold B1AWN6
Predicted Effect probably benign
Transcript: ENSMUST00000028377
AA Change: H1588Q

PolyPhen 2 Score 0.136 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318
AA Change: H1588Q

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: H1588Q

PolyPhen 2 Score 0.136 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318
AA Change: H1588Q

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: H1588Q

PolyPhen 2 Score 0.064 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318
AA Change: H1588Q

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
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.5%
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: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933436I01Rik T A X: 66,964,308 (GRCm39) I184L probably benign Het
Abcb5 A T 12: 118,904,303 (GRCm39) C162* probably null Het
Akr1c19 A T 13: 4,288,391 (GRCm39) probably null Het
Akt3 A G 1: 176,930,551 (GRCm39) S136P possibly damaging Het
Alox12e G A 11: 70,206,828 (GRCm39) R620W probably damaging Het
Ascc2 A T 11: 4,631,496 (GRCm39) M646L probably benign Het
Bsn T G 9: 107,987,883 (GRCm39) probably benign Het
Bsn T A 9: 108,003,749 (GRCm39) M219L possibly damaging Het
Btnl9 T C 11: 49,060,390 (GRCm39) T453A probably damaging Het
C6 G T 15: 4,820,552 (GRCm39) C521F probably damaging Het
Ccnt1 A T 15: 98,449,823 (GRCm39) H156Q probably benign Het
Cdh20 A T 1: 110,065,666 (GRCm39) R647* probably null Het
Clptm1l C T 13: 73,755,842 (GRCm39) Q153* probably null Het
Cmya5 T A 13: 93,227,032 (GRCm39) K2685N possibly damaging Het
Cnksr2 A C X: 156,728,302 (GRCm39) S224R possibly damaging Het
Cntn1 T C 15: 92,215,943 (GRCm39) V992A possibly damaging Het
Dapk1 G A 13: 60,899,022 (GRCm39) D831N probably damaging Het
Dnaaf3 T C 7: 4,526,798 (GRCm39) I426M possibly damaging Het
Dnah6 A G 6: 72,998,165 (GRCm39) Y4034H probably benign Het
Dtx2 C T 5: 136,059,431 (GRCm39) S493F probably damaging Het
Ehd1 T C 19: 6,348,108 (GRCm39) L362P probably benign Het
Endov T C 11: 119,390,408 (GRCm39) F12S probably damaging Het
Eps8 A T 6: 137,499,172 (GRCm39) W239R probably benign Het
Fance T C 17: 28,539,799 (GRCm39) F83S possibly damaging Het
Fn1 A G 1: 71,639,598 (GRCm39) V1731A probably damaging Het
Gak G T 5: 108,718,091 (GRCm39) T1244K probably benign Het
Gas8 T A 8: 124,253,276 (GRCm39) I208N probably damaging Het
Gm9830 A T 9: 44,375,579 (GRCm39) noncoding transcript Het
Gm9837 T A 11: 53,361,092 (GRCm39) probably benign Het
Gtf2f2 A G 14: 76,155,136 (GRCm39) S142P possibly damaging Het
Hdac3 C A 18: 38,076,569 (GRCm39) G257V probably damaging Het
Heg1 A G 16: 33,547,960 (GRCm39) T916A probably benign Het
Herc2 G T 7: 55,782,245 (GRCm39) G1311C probably damaging Het
Htt C T 5: 34,983,326 (GRCm39) T975I probably benign Het
Il2rg A G X: 100,311,416 (GRCm39) L57P possibly damaging Het
Itm2b T C 14: 73,600,575 (GRCm39) K242E probably damaging Het
Itpr3 G A 17: 27,317,050 (GRCm39) M768I probably benign Het
Klrg2 G A 6: 38,613,928 (GRCm39) T25I probably benign Het
Lcn5 G A 2: 25,548,053 (GRCm39) V21M probably damaging Het
Liat1 T C 11: 75,891,077 (GRCm39) S64P possibly damaging Het
Lonp2 A G 8: 87,392,403 (GRCm39) T490A probably damaging Het
Lrrn3 A T 12: 41,502,995 (GRCm39) S441T probably damaging Het
Mpdz G A 4: 81,254,067 (GRCm39) R1W probably null Het
Mpp4 G A 1: 59,182,941 (GRCm39) P322L possibly damaging Het
Mpzl2 G A 9: 44,955,169 (GRCm39) probably null Het
Naf1 A G 8: 67,340,432 (GRCm39) D414G probably damaging Het
Notch3 A G 17: 32,354,482 (GRCm39) C1748R probably benign Het
Nup133 C A 8: 124,641,314 (GRCm39) D869Y probably damaging Het
Oasl2 A C 5: 115,049,298 (GRCm39) D466A probably benign Het
Opa3 T C 7: 18,978,739 (GRCm39) I68T possibly damaging Het
Or2ab1 A G 11: 58,488,396 (GRCm39) N58S probably damaging Het
Or2ag1 T A 7: 106,313,373 (GRCm39) R172W probably benign Het
Or2d3c T G 7: 106,526,162 (GRCm39) Y168S probably damaging Het
Or5p63 T C 7: 107,811,547 (GRCm39) Y63C probably damaging Het
Or8g37 T C 9: 39,731,846 (GRCm39) F304L probably benign Het
Pcdh8 A T 14: 80,005,651 (GRCm39) S912R probably damaging Het
Pdzrn3 T C 6: 101,127,660 (GRCm39) E1002G probably damaging Het
Pik3c2a A T 7: 115,972,126 (GRCm39) L768* probably null Het
Plxna4 A G 6: 32,494,551 (GRCm39) S22P possibly damaging Het
Plxnb3 T A X: 72,815,357 (GRCm39) Y1845* probably null Het
Pramel11 T C 4: 143,623,482 (GRCm39) M231V probably damaging Het
Prl7a2 T A 13: 27,844,870 (GRCm39) Y172F probably damaging Het
Pum1 A G 4: 130,501,745 (GRCm39) T845A probably benign Het
Rad21l T C 2: 151,509,927 (GRCm39) H58R probably damaging Het
Rgma A C 7: 73,059,379 (GRCm39) D161A probably damaging Het
Scai T C 2: 39,013,025 (GRCm39) Y135C probably damaging Het
Sdha A T 13: 74,472,087 (GRCm39) probably null Het
Slc12a3 A G 8: 95,072,456 (GRCm39) D658G probably damaging Het
Slc5a3 A G 16: 91,874,128 (GRCm39) S62G probably damaging Het
Spata13 GTTAGGCT GT 14: 60,998,320 (GRCm39) probably benign Het
Sulf1 A G 1: 12,910,627 (GRCm39) I649V probably damaging Het
Thbs1 C T 2: 117,954,018 (GRCm39) Q1090* probably null Het
Tjp2 C A 19: 24,099,687 (GRCm39) R400L probably benign Het
Tle4 A T 19: 14,427,113 (GRCm39) Y769* probably null Het
Trmt5 A T 12: 73,331,444 (GRCm39) probably null Het
Troap T C 15: 98,980,344 (GRCm39) L508P probably benign Het
Ubac2 T A 14: 122,145,691 (GRCm39) Y116* probably null Het
Ugt2b36 T C 5: 87,240,100 (GRCm39) E95G probably benign Het
Ush1c T C 7: 45,878,905 (GRCm39) Y74C probably damaging Het
Usp36 T C 11: 118,165,844 (GRCm39) T160A possibly damaging Het
Usp54 G T 14: 20,627,273 (GRCm39) P462T probably damaging Het
Vmn1r55 A G 7: 5,150,048 (GRCm39) V125A possibly damaging Het
Vps11 A G 9: 44,269,613 (GRCm39) S213P probably damaging Het
Zfp668 C T 7: 127,465,837 (GRCm39) G449D probably benign 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
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'- AGTGTTTGACATCAGCATCATG -3'
(R):5'- AGGAATGGACTATTCGGCTTTATCTG -3'

Sequencing Primer
(F):5'- GACATCAGCATCATGATCCTCATCTG -3'
(R):5'- AGTTAGGGTCTCACCATGTTGCTC -3'
Posted On 2014-09-17