Incidental Mutation 'R9569:Scn2a'
ID 721810
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 068966-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R9569 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 65451115-65597791 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 65560622 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 1284 (D1284G)
Ref Sequence ENSEMBL: ENSMUSP00000028377 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028377] [ENSMUST00000100067] [ENSMUST00000200829] [ENSMUST00000202508]
AlphaFold B1AWN6
Predicted Effect probably damaging
Transcript: ENSMUST00000028377
AA Change: D1284G

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000028377
Gene: ENSMUSG00000075318
AA Change: D1284G

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: D1284G

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000097645
Gene: ENSMUSG00000075318
AA Change: D1284G

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: D1284G

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000143882
Gene: ENSMUSG00000075318
AA Change: D1284G

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 probably benign
Transcript: ENSMUST00000202162
Predicted Effect probably benign
Transcript: ENSMUST00000202508
SMART Domains Protein: ENSMUSP00000143958
Gene: ENSMUSG00000075318

DomainStartEndE-ValueType
Pfam:Na_trans_assoc 1 106 1.9e-19 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.9%
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: 76 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abi2 T A 1: 60,503,763 (GRCm39) V356D probably damaging Het
Adgrd1 T C 5: 129,256,701 (GRCm39) V690A possibly damaging Het
Apba2 T C 7: 64,393,138 (GRCm39) M553T possibly damaging Het
Apeh C T 9: 107,971,609 (GRCm39) V13M unknown Het
Apol11b C T 15: 77,524,771 (GRCm39) E5K possibly damaging Het
Apol7e C T 15: 77,601,933 (GRCm39) T177I probably damaging Het
Bltp1 T C 3: 37,066,770 (GRCm39) M211T Het
Bub1b T C 2: 118,468,884 (GRCm39) I883T probably damaging Het
C9 T C 15: 6,489,062 (GRCm39) S140P probably damaging Het
Cbfa2t2 T A 2: 154,346,485 (GRCm39) I64N probably benign Het
Cd180 A T 13: 102,842,486 (GRCm39) I511F possibly damaging Het
Cic T C 7: 24,972,120 (GRCm39) V617A possibly damaging Het
Clca3a2 A C 3: 144,513,075 (GRCm39) probably null Het
D5Ertd579e T C 5: 36,759,979 (GRCm39) T1394A probably damaging Het
Dclk1 A T 3: 55,387,852 (GRCm39) E422D probably benign Het
Depdc5 A T 5: 33,025,321 (GRCm39) D21V probably damaging Het
Dis3l A G 9: 64,236,829 (GRCm39) F40S unknown Het
Duox1 T C 2: 122,148,971 (GRCm39) V82A probably benign Het
Dus2 T C 8: 106,771,507 (GRCm39) V211A probably damaging Het
Eif2ak4 G A 2: 118,251,316 (GRCm39) S326N probably benign Het
Fat3 A C 9: 15,830,495 (GRCm39) L153R Het
Gpx8 C T 13: 113,182,125 (GRCm39) V103I probably damaging Het
Gtf2a1l A G 17: 89,001,948 (GRCm39) D268G probably benign Het
Hc T C 2: 34,926,359 (GRCm39) I342V probably benign Het
Hsp90ab1 T A 17: 45,879,878 (GRCm39) D546V possibly damaging Het
Ifi206 T G 1: 173,314,209 (GRCm39) D77A Het
Igfbp1 A G 11: 7,147,881 (GRCm39) probably benign Het
Kdm3a T C 6: 71,584,434 (GRCm39) D559G probably benign Het
Kif2a A G 13: 107,105,246 (GRCm39) I565T probably benign Het
Krt1c T C 15: 101,724,924 (GRCm39) T229A probably damaging Het
Lcmt2 G A 2: 120,970,522 (GRCm39) A187V probably damaging Het
Mapk8ip1 A G 2: 92,217,599 (GRCm39) M241T probably benign Het
Mup15 T C 4: 61,357,875 (GRCm39) probably benign Het
Myo9b T C 8: 71,811,629 (GRCm39) V1912A probably benign Het
Naip5 T A 13: 100,356,338 (GRCm39) E1092D probably benign Het
Naip5 T C 13: 100,359,821 (GRCm39) T472A probably benign Het
Net1 A G 13: 3,938,518 (GRCm39) F123S probably benign Het
Or1j8 T C 2: 36,191,946 (GRCm39) Y132H probably damaging Het
Or52n2 C T 7: 104,542,525 (GRCm39) M103I possibly damaging Het
Or5h17 A G 16: 58,820,228 (GRCm39) Y60C probably damaging Het
Pcdhb13 T C 18: 37,576,153 (GRCm39) F177S probably damaging Het
Pclo T C 5: 14,907,065 (GRCm39) probably null Het
Perm1 A G 4: 156,303,039 (GRCm39) T528A probably benign Het
Pik3c2a C T 7: 115,957,939 (GRCm39) A1116T possibly damaging Het
Prox2 G A 12: 85,141,766 (GRCm39) Q146* probably null Het
Psd A T 19: 46,308,717 (GRCm39) C639S possibly damaging Het
Rffl T A 11: 82,703,264 (GRCm39) T220S probably benign Het
Scube1 T C 15: 83,513,605 (GRCm39) Y385C probably damaging Het
Sec14l3 A T 11: 4,026,324 (GRCm39) D388V probably damaging Het
Slc26a1 G T 5: 108,819,460 (GRCm39) Q596K probably benign Het
Slc6a19 T C 13: 73,834,030 (GRCm39) T343A probably benign Het
Slc7a4 A G 16: 17,393,262 (GRCm39) V179A Het
Sox14 T G 9: 99,757,562 (GRCm39) D49A Het
Spata31g1 G C 4: 42,971,740 (GRCm39) V358L probably benign Het
Timm22 A G 11: 76,298,196 (GRCm39) S56G probably benign Het
Tmub2 G A 11: 102,179,153 (GRCm39) W322* probably null Het
Tsc22d4 A G 5: 137,756,428 (GRCm39) T8A probably benign Het
Ttn T C 2: 76,539,652 (GRCm39) I34445V probably benign Het
Tyms A T 5: 30,268,360 (GRCm39) Y196* probably null Het
Ube2o G A 11: 116,434,823 (GRCm39) T546M probably damaging Het
Umodl1 A G 17: 31,217,143 (GRCm39) Y1125C probably damaging Het
Unc13b CGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGC CGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGCCAGAGC 4: 43,177,312 (GRCm39) probably benign Het
Unk A T 11: 115,950,035 (GRCm39) Q747L probably damaging Het
Vmn1r170 A G 7: 23,306,294 (GRCm39) E232G probably benign Het
Vps41 A G 13: 19,013,396 (GRCm39) Y338C possibly damaging Het
Washc5 T C 15: 59,215,980 (GRCm39) M800V probably benign Het
Wt1 T A 2: 104,993,711 (GRCm39) I348N possibly damaging Het
Xirp2 A G 2: 67,341,242 (GRCm39) Y1161C probably damaging Het
Xpo7 A G 14: 70,906,140 (GRCm39) M1001T possibly damaging Het
Yeats2 A T 16: 19,972,902 (GRCm39) R19W probably damaging Het
Zfp142 T C 1: 74,615,386 (GRCm39) T476A probably damaging Het
Zfp229 T C 17: 21,964,573 (GRCm39) W268R possibly damaging Het
Zfp473 A G 7: 44,388,971 (GRCm39) F50S probably damaging Het
Zfp975 A T 7: 42,311,413 (GRCm39) M400K probably benign Het
Zkscan5 A G 5: 145,144,419 (GRCm39) M150V probably benign Het
Znfx1 T A 2: 166,897,875 (GRCm39) I350F 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
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
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'- CATGAAGTAGAAACTGTTCGTGAC -3'
(R):5'- AGCAAGTCTCGGGTATATTTCC -3'

Sequencing Primer
(F):5'- CCATTCATAGGCCTTTGAAGAC -3'
(R):5'- CTCGGGTATATTTCCACGGGAGAAG -3'
Posted On 2022-08-09