Incidental Mutation 'R0558:Scn2a'
ID 45695
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 038750-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0558 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 65451115-65597791 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 65542269 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Leucine at position 791 (V791L)
Ref Sequence ENSEMBL: ENSMUSP00000143882 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028377] [ENSMUST00000100067] [ENSMUST00000200829]
AlphaFold B1AWN6
Predicted Effect probably benign
Transcript: ENSMUST00000028377
AA Change: V791L

PolyPhen 2 Score 0.135 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318
AA Change: V791L

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: V791L

PolyPhen 2 Score 0.135 (Sensitivity: 0.92; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318
AA Change: V791L

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: V791L

PolyPhen 2 Score 0.265 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318
AA Change: V791L

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 0.1187 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.7%
  • 20x: 93.8%
Validation Efficiency 100% (80/80)
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: 78 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc2 G A 19: 43,789,163 (GRCm39) G273R probably benign Het
Adamts10 T C 17: 33,769,583 (GRCm39) V935A probably benign Het
Anapc15-ps T C 10: 95,508,983 (GRCm39) D90G probably damaging Het
Atic T A 1: 71,602,947 (GRCm39) V107E probably benign Het
Atp4b T C 8: 13,443,523 (GRCm39) T52A possibly damaging Het
Cacna1h C T 17: 25,600,524 (GRCm39) A1606T probably damaging Het
Cacng6 T A 7: 3,483,324 (GRCm39) Y217* probably null Het
Cc2d2a T G 5: 43,881,729 (GRCm39) probably benign Het
Cd226 T A 18: 89,225,338 (GRCm39) H78Q probably benign Het
Cers3 A G 7: 66,433,166 (GRCm39) D161G probably damaging Het
Ces1f T C 8: 94,002,017 (GRCm39) H37R probably benign Het
Cfhr4 A G 1: 139,667,230 (GRCm39) V376A probably damaging Het
Chek1 T A 9: 36,623,411 (GRCm39) N421I possibly damaging Het
Cibar1 T C 4: 12,164,095 (GRCm39) D248G probably damaging Het
Cma2 T C 14: 56,210,249 (GRCm39) Y45H probably damaging Het
Cmas C A 6: 142,720,970 (GRCm39) Y401* probably null Het
Cyp2j8 A T 4: 96,332,871 (GRCm39) S492T probably benign Het
Dnah12 T C 14: 26,430,465 (GRCm39) S358P probably benign Het
Dnajc13 T C 9: 104,079,151 (GRCm39) probably null Het
Ep400 A C 5: 110,832,933 (GRCm39) probably benign Het
Fam209 T A 2: 172,314,758 (GRCm39) N82K probably benign Het
G3bp2 A T 5: 92,221,056 (GRCm39) Y20N probably damaging Het
Gli2 T C 1: 118,765,379 (GRCm39) D924G probably benign Het
Gm10787 T C 10: 76,857,850 (GRCm39) noncoding transcript Het
Gm11568 A G 11: 99,748,872 (GRCm39) R26G unknown Het
Hivep3 T G 4: 119,953,763 (GRCm39) L693R probably damaging Het
Hook1 A G 4: 95,881,449 (GRCm39) probably benign Het
Ibtk A C 9: 85,619,591 (GRCm39) D116E probably damaging Het
Insrr C T 3: 87,718,288 (GRCm39) T927I possibly damaging Het
Irx1 T G 13: 72,107,747 (GRCm39) S312R probably benign Het
Itga11 T C 9: 62,659,570 (GRCm39) Y441H probably benign Het
Itsn1 A G 16: 91,696,511 (GRCm39) D38G possibly damaging Het
Kat6b G T 14: 21,719,489 (GRCm39) E1280D probably benign Het
Kcnk10 T A 12: 98,402,560 (GRCm39) Y293F possibly damaging Het
Krt74 T A 15: 101,669,398 (GRCm39) noncoding transcript Het
Lars1 T G 18: 42,347,902 (GRCm39) I974L probably benign Het
Limch1 A G 5: 67,126,498 (GRCm39) D42G probably damaging Het
Mau2 G C 8: 70,495,082 (GRCm39) T85R probably damaging Het
Mkrn3 A G 7: 62,068,612 (GRCm39) I393T probably benign Het
Mpl A C 4: 118,301,217 (GRCm39) S541R probably damaging Het
Nfrkb T C 9: 31,321,564 (GRCm39) S754P possibly damaging Het
Or4c125 A G 2: 89,170,580 (GRCm39) L22P probably benign Het
Or5bw2 T C 7: 6,573,652 (GRCm39) Y221H possibly damaging Het
Or5d41 A G 2: 88,054,818 (GRCm39) V186A possibly damaging Het
Or8g18 T A 9: 39,149,496 (GRCm39) T75S probably damaging Het
P2rx7 A T 5: 122,811,861 (GRCm39) I391F possibly damaging Het
Pbrm1 T A 14: 30,807,016 (GRCm39) probably null Het
Pcdh8 T C 14: 80,007,516 (GRCm39) D349G probably damaging Het
Pias1 A G 9: 62,789,291 (GRCm39) S639P possibly damaging Het
Pkhd1l1 A T 15: 44,347,820 (GRCm39) I232F probably damaging Het
Plxnc1 C T 10: 94,673,797 (GRCm39) R995Q probably damaging Het
Pnliprp2 T A 19: 58,762,519 (GRCm39) S375T probably benign Het
Prkar1b C T 5: 139,005,847 (GRCm39) V313M probably benign Het
Prr35 T C 17: 26,166,523 (GRCm39) N338S probably benign Het
Ptpn13 T C 5: 103,677,583 (GRCm39) S734P probably damaging Het
Rdh1 T C 10: 127,595,810 (GRCm39) W2R possibly damaging Het
Rsph10b A T 5: 143,886,156 (GRCm39) I285L probably benign Het
Rubcnl T C 14: 75,284,987 (GRCm39) F502S probably damaging Het
Ryr2 T A 13: 11,653,329 (GRCm39) I3693F probably damaging Het
Ryr2 T C 13: 11,814,747 (GRCm39) Y675C probably damaging Het
Scaper T C 9: 55,593,207 (GRCm39) T477A probably benign Het
Sdk1 A T 5: 142,117,820 (GRCm39) T1573S probably damaging Het
Sema3c A T 5: 17,919,413 (GRCm39) H483L probably benign Het
Sema6c T C 3: 95,076,002 (GRCm39) S219P probably damaging Het
Slc10a5 T G 3: 10,400,177 (GRCm39) E161A probably damaging Het
Slc22a23 C T 13: 34,528,366 (GRCm39) G139S possibly damaging Het
Slc34a3 C T 2: 25,123,077 (GRCm39) probably benign Het
Slc38a9 A T 13: 112,865,730 (GRCm39) probably null Het
Taok1 A C 11: 77,450,670 (GRCm39) S367R possibly damaging Het
Tlr6 G A 5: 65,112,203 (GRCm39) Q235* probably null Het
Top2a A G 11: 98,887,665 (GRCm39) V1281A probably benign Het
Tpgs1 T C 10: 79,511,616 (GRCm39) Y253H probably damaging Het
Tubgcp3 T C 8: 12,703,462 (GRCm39) T288A probably benign Het
Ubr4 A G 4: 139,154,213 (GRCm39) E2140G probably benign Het
Uso1 A G 5: 92,321,878 (GRCm39) Q257R probably benign Het
Zfp106 A G 2: 120,362,677 (GRCm39) V48A probably damaging Het
Zfp174 T A 16: 3,666,118 (GRCm39) S128T possibly damaging Het
Zscan26 T A 13: 21,629,225 (GRCm39) D426V 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
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'- CCTGATTTGGGACTGTTGTAAGCCA -3'
(R):5'- GCTTTGAGtgaggcaggatctctct -3'

Sequencing Primer
(F):5'- ATTCGTTGACCTGGCCATCA -3'
(R):5'- atcttcctgcctttgtctcc -3'
Posted On 2013-06-11