Incidental Mutation 'R5715:Scn2a'
ID 451083
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 043336-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5715 (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 65547928 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 1040 (I1040N)
Ref Sequence ENSEMBL: ENSMUSP00000143882 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028377] [ENSMUST00000100067] [ENSMUST00000200829] [ENSMUST00000202508]
AlphaFold B1AWN6
Predicted Effect probably benign
Transcript: ENSMUST00000028377
AA Change: I1040N

PolyPhen 2 Score 0.274 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318
AA Change: I1040N

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: I1040N

PolyPhen 2 Score 0.274 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318
AA Change: I1040N

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: I1040N

PolyPhen 2 Score 0.274 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318
AA Change: I1040N

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 unknown
Transcript: ENSMUST00000202162
AA Change: I3N
Predicted Effect probably benign
Transcript: ENSMUST00000202508
AA Change: I11N

PolyPhen 2 Score 0.127 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000143958
Gene: ENSMUSG00000075318
AA Change: I11N

DomainStartEndE-ValueType
Pfam:Na_trans_assoc 1 106 1.9e-19 PFAM
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.7%
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: 75 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9930111J21Rik2 T A 11: 48,910,777 (GRCm39) Y552F probably damaging Het
Asprv1 T A 6: 86,605,596 (GRCm39) D147E probably benign Het
Atg4c G T 4: 99,146,639 (GRCm39) L405F probably damaging Het
Birc6 C T 17: 74,938,615 (GRCm39) L2670F probably damaging Het
Cdc20 T C 4: 118,292,015 (GRCm39) D379G probably damaging Het
Chd6 T C 2: 160,791,798 (GRCm39) M2520V probably benign Het
Clca4b A G 3: 144,619,018 (GRCm39) V707A probably benign Het
Cmtm1 CGGCACGTACTGAAGGTCGCTGACTGGATGGTGTGGCACGTACTGAAGGTCGCTGACTGGATGGTGTGGCACGTACTGAAGGTCGCTGACTGGATGGT CGGCACGTACTGAAGGTCGCTGACTGGATGGTGTGGCACGTACTGAAGGTCGCTGACTGGATGGT 8: 105,036,102 (GRCm39) probably benign Het
Col12a1 A T 9: 79,523,347 (GRCm39) C2743* probably null Het
Coq6 C A 12: 84,413,681 (GRCm39) D70E probably benign Het
Cspg4 T A 9: 56,798,335 (GRCm39) V1450D possibly damaging Het
Dnah7a A G 1: 53,452,937 (GRCm39) L3847P probably damaging Het
Drd2 T A 9: 49,316,189 (GRCm39) H316Q probably benign Het
Dusp19 T A 2: 80,461,330 (GRCm39) N206K probably benign Het
Fam13c T G 10: 70,370,670 (GRCm39) F270C probably damaging Het
Fam20a T C 11: 109,569,257 (GRCm39) E246G probably damaging Het
Fbxo31 A G 8: 122,305,302 (GRCm39) F65L probably damaging Het
Fshr T A 17: 89,293,824 (GRCm39) probably null Het
Fstl4 T C 11: 52,891,243 (GRCm39) V127A possibly damaging Het
Gdpd4 A T 7: 97,610,804 (GRCm39) I75F probably benign Het
Grm5 C A 7: 87,779,464 (GRCm39) A968E probably benign Het
Gucy2g A C 19: 55,221,587 (GRCm39) F305V possibly damaging Het
Hivep3 T C 4: 119,953,570 (GRCm39) F629L probably benign Het
Hoxb1 A G 11: 96,257,152 (GRCm39) E167G probably benign Het
Hoxd4 T C 2: 74,557,708 (GRCm39) L29P probably damaging Het
Ikbkb A G 8: 23,168,866 (GRCm39) L211P probably damaging Het
Insc T C 7: 114,449,076 (GRCm39) V499A probably benign Het
Irak3 A T 10: 119,978,641 (GRCm39) H511Q possibly damaging Het
Itpripl1 T C 2: 126,983,927 (GRCm39) E65G probably damaging Het
Lurap1l T A 4: 80,871,958 (GRCm39) S150R possibly damaging Het
Mab21l3 C T 3: 101,730,723 (GRCm39) R172Q probably benign Het
Macf1 T C 4: 123,577,807 (GRCm39) D59G probably damaging Het
Mettl21a A T 1: 64,654,314 (GRCm39) S68T probably benign Het
Mlxip T A 5: 123,578,121 (GRCm39) W146R probably damaging Het
Mpp2 T A 11: 101,953,087 (GRCm39) N285I probably damaging Het
Mrgprb4 T C 7: 47,848,787 (GRCm39) N47S probably damaging Het
Msi2 A G 11: 88,276,889 (GRCm39) Y237H probably damaging Het
Muc4 C T 16: 32,570,734 (GRCm39) T598I possibly damaging Het
Musk A T 4: 58,333,663 (GRCm39) I253F probably damaging Het
Myo5b G T 18: 74,875,246 (GRCm39) C1550F possibly damaging Het
Nckap5l T C 15: 99,321,457 (GRCm39) T1137A probably benign Het
Neb T C 2: 52,141,780 (GRCm39) D3009G probably damaging Het
Nxph1 T A 6: 9,247,740 (GRCm39) V237E probably damaging Het
Or52a33 A C 7: 103,289,009 (GRCm39) S113A probably damaging Het
Pla2g12a A G 3: 129,688,591 (GRCm39) K150E probably damaging Het
Potegl T C 2: 23,097,989 (GRCm39) Y56H possibly damaging Het
Pramel30 A G 4: 144,057,870 (GRCm39) D159G possibly damaging Het
Ptpn23 G A 9: 110,216,143 (GRCm39) R1238W probably damaging Het
Pts C T 9: 50,433,578 (GRCm39) G124R probably damaging Het
Rfk A T 19: 17,376,002 (GRCm39) I99F probably benign Het
Rictor A T 15: 6,780,197 (GRCm39) R151* probably null Het
Serinc5 A C 13: 92,842,710 (GRCm39) T387P probably damaging Het
Sh3bp5l A G 11: 58,236,841 (GRCm39) Q266R possibly damaging Het
Slc14a2 T C 18: 78,201,551 (GRCm39) Y656C probably damaging Het
Slc26a3 T A 12: 31,498,842 (GRCm39) probably null Het
Slc3a2 G T 19: 8,685,594 (GRCm39) H168Q probably benign Het
Smarca2 A T 19: 26,626,522 (GRCm39) I449L probably benign Het
Smarcc1 T C 9: 110,025,435 (GRCm39) V704A possibly damaging Het
Sox13 A G 1: 133,313,921 (GRCm39) probably null Het
Sptbn5 T C 2: 119,902,985 (GRCm39) E7G probably damaging Het
Stard10 A G 7: 100,971,110 (GRCm39) D26G probably damaging Het
Tap1 A T 17: 34,411,868 (GRCm39) R91* probably null Het
Tgfbrap1 A T 1: 43,099,097 (GRCm39) V239D possibly damaging Het
Tmem209 A T 6: 30,497,922 (GRCm39) Y124* probably null Het
Tmprss2 T A 16: 97,370,183 (GRCm39) E327V possibly damaging Het
Ttbk1 T C 17: 46,790,133 (GRCm39) Y104C probably damaging Het
Ttll10 A T 4: 156,129,848 (GRCm39) F154I probably damaging Het
Ubn2 T A 6: 38,438,412 (GRCm39) Y40* probably null Het
Ubr5 A T 15: 38,002,477 (GRCm39) S1519T probably benign Het
Ugt3a1 A C 15: 9,306,430 (GRCm39) D193A probably damaging Het
Upf1 A T 8: 70,805,628 (GRCm39) Y6N probably damaging Het
Vmn2r103 A T 17: 20,015,201 (GRCm39) D447V probably benign Het
Vps39 T C 2: 120,155,717 (GRCm39) N519S possibly damaging Het
Zfp109 T C 7: 23,928,995 (GRCm39) E138G possibly damaging Het
Znrf3 A C 11: 5,236,239 (GRCm39) V157G possibly 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
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
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'- ACAGGGTGTCTGATTGCTCTTC -3'
(R):5'- AGACTCTCCCACAGCAATGG -3'

Sequencing Primer
(F):5'- GAACCTCTTCTTGGCCTTGC -3'
(R):5'- CAATGGGCACAGTCACGGTG -3'
Posted On 2017-01-03