Incidental Mutation 'R7269:Scn2a'
ID 565116
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 045320-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7269 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 65451115-65597791 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 65594113 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 1654 (L1654Q)
Ref Sequence ENSEMBL: ENSMUSP00000028377 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028377] [ENSMUST00000100067] [ENSMUST00000200829]
AlphaFold B1AWN6
Predicted Effect probably damaging
Transcript: ENSMUST00000028377
AA Change: L1654Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318
AA Change: L1654Q

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: L1654Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318
AA Change: L1654Q

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: L1654Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318
AA Change: L1654Q

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: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.2%
Validation Efficiency 98% (85/87)
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: 87 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700062C07Rik A T 18: 24,606,013 (GRCm39) N36I probably damaging Het
A430033K04Rik T A 5: 138,645,014 (GRCm39) Y300N possibly damaging Het
Adipor2 T C 6: 119,347,205 (GRCm39) Q26R probably benign Het
Ahnak T A 19: 8,983,981 (GRCm39) M1755K probably damaging Het
Ahnak2 A T 12: 112,780,802 (GRCm38) V70E Het
AI837181 C A 19: 5,476,462 (GRCm39) S208R probably damaging Het
Arhgap35 T G 7: 16,295,652 (GRCm39) M1138L probably benign Het
Card14 T G 11: 119,228,573 (GRCm39) L633R probably damaging Het
Carmil3 A G 14: 55,731,352 (GRCm39) T144A probably benign Het
Cbfa2t2 T A 2: 154,357,895 (GRCm39) N223K probably benign Het
Ccdc39 T C 3: 33,884,254 (GRCm39) I363V probably benign Het
Ccng2 C G 5: 93,421,202 (GRCm39) S237R probably benign Het
Ccpg1 G T 9: 72,920,609 (GRCm39) R741S probably benign Het
Cenpc1 A G 5: 86,161,366 (GRCm39) F855L probably damaging Het
Cenpc1 A T 5: 86,180,277 (GRCm39) M665K probably benign Het
Cp A G 3: 20,037,641 (GRCm39) H832R probably damaging Het
Defa24 A G 8: 22,224,565 (GRCm39) I5V probably benign Het
Dlc1 A C 8: 37,046,407 (GRCm39) L730R probably damaging Het
Dmbt1 A T 7: 130,668,351 (GRCm39) I536F unknown Het
Dscam G A 16: 96,479,601 (GRCm39) T1182I probably benign Het
Eea1 A T 10: 95,854,000 (GRCm39) I553F probably damaging Het
Far1 T C 7: 113,160,654 (GRCm39) V400A probably benign Het
Fbrsl1 A T 5: 110,580,880 (GRCm39) S126T probably benign Het
Frmpd2 A T 14: 33,244,838 (GRCm39) E552V possibly damaging Het
Gm5431 T A 11: 48,779,237 (GRCm39) T562S probably benign Het
Gm5475 T C 15: 100,324,890 (GRCm39) F106S unknown Het
Gpr12 T C 5: 146,520,188 (GRCm39) T245A probably damaging Het
Gsta2 A G 9: 78,239,419 (GRCm39) Y166H probably benign Het
H6pd A G 4: 150,067,369 (GRCm39) V347A probably benign Het
Ifih1 T C 2: 62,475,977 (GRCm39) T100A probably benign Het
Ift70b A G 2: 75,767,838 (GRCm39) F305S probably damaging Het
Itga2 C T 13: 115,023,225 (GRCm39) W59* probably null Het
Knstrn T A 2: 118,661,869 (GRCm39) probably null Het
Kprp A G 3: 92,731,178 (GRCm39) V624A probably damaging Het
Lmbrd2 A G 15: 9,194,771 (GRCm39) Y591C probably damaging Het
Map7d1 A G 4: 126,126,666 (GRCm39) V842A unknown Het
Mboat2 A T 12: 24,881,708 (GRCm39) T4S probably benign Het
Mcph1 T A 8: 18,657,288 (GRCm39) probably null Het
Mrtfb A T 16: 13,218,898 (GRCm39) M515L possibly damaging Het
Muc5b A G 7: 141,411,272 (GRCm39) D1406G unknown Het
Mylk G A 16: 34,605,381 (GRCm39) G3D probably damaging Het
Ndst4 A G 3: 125,232,007 (GRCm39) D192G probably damaging Het
Nemp1 G T 10: 127,531,345 (GRCm39) R361L probably damaging Het
Nol4 A C 18: 23,172,846 (GRCm39) V85G probably benign Het
Nrbf2 G A 10: 67,103,605 (GRCm39) T166M probably damaging Het
Obscn T C 11: 58,933,838 (GRCm39) E5342G probably damaging Het
Or10al7 C A 17: 38,366,442 (GRCm39) C5F probably damaging Het
Or4f47 T A 2: 111,972,905 (GRCm39) F205Y probably damaging Het
Or4p19 C T 2: 88,242,839 (GRCm39) M54I possibly damaging Het
Or51d1 T G 7: 102,348,252 (GRCm39) L269R probably damaging Het
Or7d10 A G 9: 19,831,631 (GRCm39) N42S possibly damaging Het
Pakap G T 4: 57,855,217 (GRCm39) R182L probably damaging Het
Pde4dip A G 3: 97,674,275 (GRCm39) S214P probably damaging Het
Per3 A T 4: 151,116,393 (GRCm39) C278* probably null Het
Pi4k2a T C 19: 42,079,125 (GRCm39) L62P probably damaging Het
Plekha7 C A 7: 115,780,447 (GRCm39) G126W probably damaging Het
Ppp1r13b T C 12: 111,801,353 (GRCm39) K567E probably damaging Het
Pradc1 T A 6: 85,424,548 (GRCm39) Q134L probably benign Het
Pwp2 A G 10: 78,012,170 (GRCm39) F628L probably benign Het
Rab5c C T 11: 100,606,928 (GRCm39) G217D probably benign Het
Rad51ap2 G T 12: 11,506,807 (GRCm39) S243I possibly damaging Het
Rasgrp4 C A 7: 28,847,855 (GRCm39) R432S probably damaging Het
Rhot2 C T 17: 26,061,402 (GRCm39) probably null Het
Skint6 A T 4: 112,711,686 (GRCm39) probably null Het
Slc22a28 T A 19: 8,094,491 (GRCm39) T177S probably benign Het
Slc25a24 G T 3: 109,065,960 (GRCm39) Q272H probably null Het
Slc3a1 A T 17: 85,339,873 (GRCm39) I144F probably damaging Het
Smg9 C T 7: 24,105,495 (GRCm39) R176C possibly damaging Het
Sorl1 A T 9: 41,948,499 (GRCm39) L762Q probably damaging Het
Srebf2 C A 15: 82,088,270 (GRCm39) P1079T probably benign Het
Sub1 A T 15: 11,993,937 (GRCm39) S4T probably benign Het
Tacr1 A T 6: 82,469,692 (GRCm39) Y192F probably benign Het
Tm4sf19 A T 16: 32,224,814 (GRCm39) H54L probably damaging Het
Tnxb T C 17: 34,914,428 (GRCm39) L1838P probably damaging Het
Trmt1l T C 1: 151,333,539 (GRCm39) S681P possibly damaging Het
Ttn A G 2: 76,738,176 (GRCm39) V4167A unknown Het
Unc13d T A 11: 115,959,056 (GRCm39) M702L probably benign Het
Vgll3 A G 16: 65,636,404 (GRCm39) H240R probably benign Het
Vmn1r189 C G 13: 22,286,737 (GRCm39) W33C probably benign Het
Vmn2r17 G A 5: 109,576,337 (GRCm39) A403T possibly damaging Het
Vmn2r2 G A 3: 64,033,998 (GRCm39) T508I probably benign Het
Vps54 T A 11: 21,227,670 (GRCm39) probably null Het
Wfs1 G A 5: 37,125,134 (GRCm39) Q586* probably null Het
Zbp1 A T 2: 173,055,665 (GRCm39) H166Q unknown Het
Zcchc3 G A 2: 152,256,294 (GRCm39) A135V probably benign Het
Zfp51 T C 17: 21,683,960 (GRCm39) Y192H probably benign Het
Zkscan2 T C 7: 123,088,994 (GRCm39) T426A 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
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
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'- TGCAGTCAGTAACATTATTGGC -3'
(R):5'- GGAGGTCCACTATTTAGTATAGGG -3'

Sequencing Primer
(F):5'- GCAGTCAGTAACATTATTGGCTATTG -3'
(R):5'- CACTATTTAGTATAGGGGCCAGC -3'
Posted On 2019-06-26