Incidental Mutation 'R1803:Scn2a'
ID 203256
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 039833-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1803 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 65451115-65597791 bp(+) (GRCm39)
Type of Mutation splice site (5 bp from exon)
DNA Base Change (assembly) G to A at 65501111 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
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
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318

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
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318

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 null
Transcript: ENSMUST00000144254
SMART Domains Protein: ENSMUSP00000117955
Gene: ENSMUSG00000075318

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
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000202653
Coding Region Coverage
  • 1x: 97.4%
  • 3x: 96.8%
  • 10x: 95.0%
  • 20x: 91.6%
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: 87 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4921513D11Rik A T 17: 79,935,095 (GRCm39) probably benign Het
Adgrl3 C T 5: 81,919,464 (GRCm39) R586* probably null Het
Arpp21 T C 9: 111,956,466 (GRCm39) T471A possibly damaging Het
Blnk T C 19: 40,940,821 (GRCm39) E194G probably damaging Het
Cd44 G A 2: 102,664,597 (GRCm39) P332S probably damaging Het
Cd47 T C 16: 49,688,169 (GRCm39) F30L possibly damaging Het
Cdh23 T C 10: 60,167,060 (GRCm39) E1861G probably damaging Het
Cdkal1 T A 13: 29,701,454 (GRCm39) M332L probably damaging Het
Cul9 A G 17: 46,814,023 (GRCm39) S2284P probably damaging Het
Cyp2a5 G T 7: 26,534,971 (GRCm39) probably null Het
Dcp2 T C 18: 44,528,984 (GRCm39) I33T probably damaging Het
Ddx52 A T 11: 83,836,958 (GRCm39) I150L probably damaging Het
Dennd5a T A 7: 109,497,820 (GRCm39) T1067S probably benign Het
Dnpep A T 1: 75,286,058 (GRCm39) L419* probably null Het
Dock8 A G 19: 25,109,599 (GRCm39) K927R probably benign Het
Dpy19l4 A T 4: 11,281,020 (GRCm39) V475E possibly damaging Het
Edf1 C T 2: 25,450,206 (GRCm39) S41F probably damaging Het
Elapor2 A G 5: 9,477,832 (GRCm39) H410R probably benign Het
Emilin1 C T 5: 31,075,082 (GRCm39) P441L possibly damaging Het
Epha3 T C 16: 63,422,651 (GRCm39) K579E probably benign Het
Exoc1 A G 5: 76,709,288 (GRCm39) N23S probably benign Het
Flt3 C A 5: 147,303,865 (GRCm39) E358* probably null Het
Fzd1 A T 5: 4,806,385 (GRCm39) I399K probably damaging Het
Gdi2 T A 13: 3,614,547 (GRCm39) Y333* probably null Het
Gm10479 A G 12: 20,483,654 (GRCm39) H91R probably benign Het
Gm10842 G A 11: 105,037,867 (GRCm39) R50K unknown Het
Grin2c A T 11: 115,151,558 (GRCm39) probably null Het
Grk2 C T 19: 4,344,911 (GRCm39) V53M probably damaging Het
H2-M10.2 C T 17: 36,596,763 (GRCm39) M104I probably benign Het
Hyou1 C T 9: 44,295,479 (GRCm39) Q290* probably null Het
Inka1 A G 9: 107,861,938 (GRCm39) V128A probably benign Het
Itgb2 T C 10: 77,400,624 (GRCm39) S746P probably benign Het
Jmjd7 C T 2: 119,860,589 (GRCm39) L39F probably damaging Het
Kcnh8 GAGACCAACGAGCAGCTGATGCTTCAGA GAGA 17: 53,032,934 (GRCm39) 74 probably benign Het
Klhl2 T C 8: 65,212,831 (GRCm39) E236G probably damaging Het
Krtap19-4 C A 16: 88,681,879 (GRCm39) G26C unknown Het
Krtap4-16 G A 11: 99,741,998 (GRCm39) T134I possibly damaging Het
Lamb2 A G 9: 108,365,298 (GRCm39) H1318R probably benign Het
Mab21l3 G A 3: 101,742,446 (GRCm39) T38M probably benign Het
Mfsd10 A T 5: 34,794,094 (GRCm39) D6E possibly damaging Het
Mnat1 G T 12: 73,226,007 (GRCm39) G91* probably null Het
Mns1 A T 9: 72,360,016 (GRCm39) I389F probably damaging Het
Morc1 A T 16: 48,443,001 (GRCm39) T829S probably benign Het
Morn5 T A 2: 35,943,089 (GRCm39) V63E probably benign Het
Mybpc1 T C 10: 88,389,157 (GRCm39) T404A possibly damaging Het
Npc1l1 A T 11: 6,178,846 (GRCm39) M188K probably damaging Het
Nrcam T A 12: 44,618,991 (GRCm39) M846K probably benign Het
Nup210 A C 6: 91,051,264 (GRCm39) F373C probably damaging Het
Or4k49 G T 2: 111,495,099 (GRCm39) S176I probably damaging Het
Or5b111 A T 19: 13,291,535 (GRCm39) V38E possibly damaging Het
Or7g18 T C 9: 18,787,376 (GRCm39) V248A probably damaging Het
Osbpl8 T C 10: 111,110,910 (GRCm39) S471P probably damaging Het
Plekhn1 A T 4: 156,306,838 (GRCm39) I517N probably benign Het
Plin4 G T 17: 56,411,931 (GRCm39) T700K probably damaging Het
Plxna4 A T 6: 32,494,379 (GRCm39) V79D probably damaging Het
Prdm16 A T 4: 154,419,718 (GRCm39) M897K probably damaging Het
Ptprg T A 14: 12,091,410 (GRCm38) probably null Het
Rcan2 G T 17: 44,347,924 (GRCm39) C211F probably damaging Het
Rigi A G 4: 40,224,013 (GRCm39) S289P probably benign Het
Rxfp1 C T 3: 79,645,076 (GRCm39) C9Y probably benign Het
Scnn1a A C 6: 125,309,157 (GRCm39) R264S probably damaging Het
Sema4g T C 19: 44,986,459 (GRCm39) V345A probably benign Het
Sgo2b T A 8: 64,380,426 (GRCm39) D802V probably benign Het
Slc25a21 G A 12: 56,904,872 (GRCm39) T54I probably benign Het
Slc25a46 C T 18: 31,727,641 (GRCm39) E223K probably damaging Het
Slc25a54 A G 3: 109,010,013 (GRCm39) I171V probably benign Het
Slc7a6 T C 8: 106,919,088 (GRCm39) V224A possibly damaging Het
Smchd1 A T 17: 71,694,001 (GRCm39) V1248E probably damaging Het
Sort1 C A 3: 108,233,015 (GRCm39) F196L probably damaging Het
Sptbn4 G A 7: 27,118,008 (GRCm39) T357M probably damaging Het
Srrm3 T A 5: 135,885,983 (GRCm39) W308R probably damaging Het
Stard9 A T 2: 120,531,970 (GRCm39) E2742D probably benign Het
Tas1r1 T A 4: 152,116,705 (GRCm39) I310F probably damaging Het
Tas1r3 G A 4: 155,944,927 (GRCm39) R765C probably damaging Het
Tff1 A T 17: 31,380,560 (GRCm39) C85* probably null Het
Tlr11 C T 14: 50,598,104 (GRCm39) T30I probably benign Het
Trio T C 15: 27,748,426 (GRCm39) T1265A probably benign Het
Ttc7b T C 12: 100,373,261 (GRCm39) M338V possibly damaging Het
Umod T A 7: 119,063,947 (GRCm39) S620C probably damaging Het
Ust C A 10: 8,173,819 (GRCm39) probably null Het
Vmn1r176 A T 7: 23,534,609 (GRCm39) S181R probably damaging Het
Vmn1r202 T C 13: 22,686,313 (GRCm39) T35A probably benign Het
Vmn1r39 C A 6: 66,781,895 (GRCm39) R104L probably benign Het
Vps13b T A 15: 35,430,351 (GRCm39) Y286* probably null Het
Zfp579 G A 7: 4,996,769 (GRCm39) R381C probably damaging Het
Zfp85 A G 13: 67,899,747 (GRCm39) S71P probably benign Het
Zfyve16 A T 13: 92,640,593 (GRCm39) V1254E 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
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'- TCCGCTTCTTTACCAGGGAATC -3'
(R):5'- TGTCCCAAGAACACAGGCTC -3'

Sequencing Primer
(F):5'- GCTGCTATTGAACAACGCATTGC -3'
(R):5'- CAGGCTCAACCAAATGCTTTC -3'
Posted On 2014-06-23