Incidental Mutation 'R2128:Scn7a'
ID 227694
Institutional Source Beutler Lab
Gene Symbol Scn7a
Ensembl Gene ENSMUSG00000034810
Gene Name sodium channel, voltage-gated, type VII, alpha
Synonyms 1110034K09Rik, NaG, Nav2, Nax, Nav2.3, Scn6a
MMRRC Submission 040131-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.107) question?
Stock # R2128 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 66503770-66615254 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 66528330 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Lysine at position 720 (I720K)
Ref Sequence ENSEMBL: ENSMUSP00000042405 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000042792]
AlphaFold B1AYL1
Predicted Effect probably damaging
Transcript: ENSMUST00000042792
AA Change: I720K

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000042405
Gene: ENSMUSG00000034810
AA Change: I720K

DomainStartEndE-ValueType
Pfam:Ion_trans 118 405 4.7e-53 PFAM
coiled coil region 415 443 N/A INTRINSIC
Pfam:Ion_trans 505 739 5.8e-36 PFAM
Pfam:Na_trans_assoc 741 929 4.1e-17 PFAM
Pfam:Ion_trans 933 1204 3e-49 PFAM
Pfam:Ion_trans 1250 1505 5e-37 PFAM
IQ 1624 1646 6.4e-2 SMART
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes one of the many voltage-gated sodium channel proteins. For proper functioning of neurons and muscles during action potentials, voltage-gated sodium channels direct sodium ion diffusion for membrane depolarization. This sodium channel protein has some atypical characteristics; the similarity between the human and mouse proteins is lower compared to other orthologous sodium channel pairs. Also, the S4 segments, which sense voltage changes, have fewer positive charged residues that in other sodium channels; domain 4 has fewer arginine and lysine residues compared to other sodium channel proteins. Several alternatively spliced transcript variants exist, but the full-length natures of all of them remain unknown. [provided by RefSeq, Dec 2011]
PHENOTYPE: Mice homozygous for disruptions in this gene have a modified dietary preference for NaCl but are phenotypically normal otherwise. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 94 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700113H08Rik A G 10: 87,066,066 (GRCm39) E249G possibly damaging Het
2610028H24Rik A G 10: 76,293,349 (GRCm39) M136V possibly damaging Het
4930523C07Rik A T 1: 159,902,945 (GRCm39) K72* probably null Het
Abca6 A G 11: 110,110,475 (GRCm39) I558T probably benign Het
Acot10 T C 15: 20,666,712 (GRCm39) T10A probably benign Het
Adgrl4 T A 3: 151,205,838 (GRCm39) D233E probably benign Het
Adgrv1 A T 13: 81,705,199 (GRCm39) F1537Y probably damaging Het
Aqp3 T A 4: 41,098,061 (GRCm39) I17F probably benign Het
Arap1 T A 7: 101,058,527 (GRCm39) L1375H probably damaging Het
Aspm T C 1: 139,385,373 (GRCm39) V339A probably benign Het
Atp13a3 G A 16: 30,173,094 (GRCm39) A261V probably damaging Het
Casp8ap2 T C 4: 32,640,142 (GRCm39) Y399H probably benign Het
Cept1 A G 3: 106,420,195 (GRCm39) V213A probably damaging Het
Cit A G 5: 116,123,566 (GRCm39) D1469G possibly damaging Het
Cnga2 A G X: 71,051,394 (GRCm39) Y182C possibly damaging Het
Cox20 A G 1: 178,149,512 (GRCm39) I54V probably benign Het
Dhx8 C A 11: 101,629,235 (GRCm39) D261E probably benign Het
Dnah2 A T 11: 69,349,011 (GRCm39) I2486N probably benign Het
Dnah5 A G 15: 28,408,467 (GRCm39) Q3484R probably benign Het
Drd1 T C 13: 54,207,572 (GRCm39) Y207C probably damaging Het
Dtl C T 1: 191,290,222 (GRCm39) V222I probably damaging Het
Dync1h1 T C 12: 110,607,316 (GRCm39) Y2636H probably damaging Het
Endog C A 2: 30,062,048 (GRCm39) D154E probably benign Het
Epc1 A T 18: 6,462,954 (GRCm39) V14E probably damaging Het
Ercc4 C A 16: 12,965,798 (GRCm39) T810K probably damaging Het
Fam43b T A 4: 138,123,299 (GRCm39) N7I possibly damaging Het
Fgd1 T C X: 149,869,213 (GRCm39) probably null Het
Filip1 G T 9: 79,726,612 (GRCm39) T669N probably damaging Het
Fndc1 A G 17: 7,997,497 (GRCm39) probably benign Het
Foxk1 C A 5: 142,420,943 (GRCm39) S189* probably null Het
Gatm T C 2: 122,431,017 (GRCm39) N274S probably damaging Het
Gdf9 A G 11: 53,328,334 (GRCm39) Y430C probably damaging Het
Gga1 C T 15: 78,772,648 (GRCm39) P260S probably damaging Het
Gm11595 A T 11: 99,663,327 (GRCm39) C118S unknown Het
Gm382 G T X: 125,970,274 (GRCm39) V820L possibly damaging Het
Gzmk T A 13: 113,308,548 (GRCm39) I179F probably damaging Het
Hsp90b1 T C 10: 86,531,570 (GRCm39) D421G probably damaging Het
Hus1 A G 11: 8,956,011 (GRCm39) M174T probably damaging Het
Ifngr2 T A 16: 91,359,761 (GRCm39) Y289* probably null Het
Il6st T A 13: 112,640,709 (GRCm39) H828Q probably benign Het
Impg2 T A 16: 56,038,742 (GRCm39) Y127N probably damaging Het
Irf3 T A 7: 44,651,168 (GRCm39) W345R probably damaging Het
Kif1b G A 4: 149,272,097 (GRCm39) S1568L possibly damaging Het
Klhl42 A G 6: 147,003,251 (GRCm39) T342A probably benign Het
Kndc1 G T 7: 139,510,025 (GRCm39) R1289L probably damaging Het
Knl1 A T 2: 118,902,300 (GRCm39) T1334S possibly damaging Het
L3mbtl3 G T 10: 26,189,766 (GRCm39) D499E unknown Het
Ldhd T A 8: 112,353,680 (GRCm39) M478L probably benign Het
Loxl4 C G 19: 42,592,402 (GRCm39) E385D probably damaging Het
Lrriq1 G A 10: 103,050,718 (GRCm39) T678I probably benign Het
Macf1 T A 4: 123,386,567 (GRCm39) I1017F probably benign Het
Madcam1 A G 10: 79,501,406 (GRCm39) E157G possibly damaging Het
Mamdc4 T C 2: 25,459,270 (GRCm39) D195G probably damaging Het
Mctp1 A G 13: 76,972,941 (GRCm39) D648G probably damaging Het
Mycbp2 T C 14: 103,438,666 (GRCm39) M2072V probably benign Het
Nck1 A G 9: 100,379,600 (GRCm39) probably null Het
Ndufaf4 G T 4: 24,898,608 (GRCm39) D55Y probably damaging Het
Nek11 A T 9: 105,177,560 (GRCm39) D230E probably benign Het
Nit2 T C 16: 56,981,559 (GRCm39) K67E possibly damaging Het
Or12j2 C T 7: 139,916,342 (GRCm39) T189M probably damaging Het
Or5ae1 T C 7: 84,565,701 (GRCm39) F238S probably damaging Het
Or6a2 T C 7: 106,600,455 (GRCm39) D204G probably damaging Het
Or6c1 A T 10: 129,518,401 (GRCm39) V69E possibly damaging Het
Pakap A G 4: 57,854,890 (GRCm39) Y134C probably benign Het
Pccb G C 9: 100,867,884 (GRCm39) D347E probably damaging Het
Plcl1 T A 1: 55,736,997 (GRCm39) F779L probably damaging Het
Prune2 C A 19: 17,099,786 (GRCm39) D1763E probably benign Het
Pwwp2a A G 11: 43,596,145 (GRCm39) S437G probably benign Het
Rabgap1l A T 1: 160,566,527 (GRCm39) D90E probably benign Het
Rapgef4 T A 2: 72,056,897 (GRCm39) I552N possibly damaging Het
Scn9a T A 2: 66,356,998 (GRCm39) N1101I probably damaging Het
Siglec1 A T 2: 130,922,417 (GRCm39) Y553N probably damaging Het
Slc22a23 A G 13: 34,387,953 (GRCm39) L381P possibly damaging Het
Slc7a11 T A 3: 50,338,558 (GRCm39) T284S probably damaging Het
Slc8a2 T A 7: 15,874,417 (GRCm39) probably null Het
Snx29 T A 16: 11,218,835 (GRCm39) S224T probably damaging Het
Stimate T C 14: 30,588,581 (GRCm39) Y103H probably damaging Het
Stox1 T C 10: 62,500,314 (GRCm39) T749A probably benign Het
Tg A G 15: 66,566,743 (GRCm39) I1264V probably benign Het
Top2a A C 11: 98,900,633 (GRCm39) V609G probably damaging Het
Trmt44 G A 5: 35,732,176 (GRCm39) P72S probably benign Het
Ttll3 G C 6: 113,389,895 (GRCm39) S760T probably benign Het
Ttn T C 2: 76,579,022 (GRCm39) D23957G probably damaging Het
Ttn G A 2: 76,664,241 (GRCm39) probably benign Het
Ubxn1 T G 19: 8,849,434 (GRCm39) V59G probably benign Het
Ubxn4 T C 1: 128,172,247 (GRCm39) S14P probably benign Het
Uso1 T A 5: 92,343,229 (GRCm39) M771K probably benign Het
Utp20 A G 10: 88,649,917 (GRCm39) F431S probably damaging Het
Vmn1r206 T C 13: 22,804,782 (GRCm39) S142G probably benign Het
Vmn2r19 A G 6: 123,285,289 (GRCm39) probably null Het
Vps36 G T 8: 22,708,305 (GRCm39) probably null Het
Wnt3 A G 11: 103,703,474 (GRCm39) H319R possibly damaging Het
Zbtb26 G T 2: 37,326,563 (GRCm39) Q158K probably benign Het
Zfp648 T C 1: 154,080,353 (GRCm39) S171P probably benign Het
Other mutations in Scn7a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00090:Scn7a APN 2 66,513,671 (GRCm39) splice site probably benign
IGL00432:Scn7a APN 2 66,572,326 (GRCm39) nonsense probably null
IGL00720:Scn7a APN 2 66,506,388 (GRCm39) missense possibly damaging 0.67
IGL00783:Scn7a APN 2 66,522,908 (GRCm39) missense probably damaging 0.99
IGL00784:Scn7a APN 2 66,522,908 (GRCm39) missense probably damaging 0.99
IGL00926:Scn7a APN 2 66,514,475 (GRCm39) missense probably benign 0.06
IGL00963:Scn7a APN 2 66,534,289 (GRCm39) splice site probably benign
IGL01099:Scn7a APN 2 66,514,582 (GRCm39) missense probably damaging 1.00
IGL01326:Scn7a APN 2 66,582,604 (GRCm39) missense probably benign 0.13
IGL01538:Scn7a APN 2 66,534,196 (GRCm39) missense probably benign
IGL01624:Scn7a APN 2 66,582,269 (GRCm39) missense probably benign 0.07
IGL01794:Scn7a APN 2 66,505,853 (GRCm39) missense probably benign
IGL02100:Scn7a APN 2 66,505,843 (GRCm39) makesense probably null
IGL02326:Scn7a APN 2 66,530,392 (GRCm39) missense probably benign 0.00
IGL02472:Scn7a APN 2 66,582,658 (GRCm39) missense probably damaging 1.00
IGL02528:Scn7a APN 2 66,530,519 (GRCm39) missense probably damaging 1.00
IGL02798:Scn7a APN 2 66,544,219 (GRCm39) missense probably benign 0.00
IGL03026:Scn7a APN 2 66,506,442 (GRCm39) missense probably damaging 0.99
IGL03071:Scn7a APN 2 66,530,291 (GRCm39) missense possibly damaging 0.89
IGL03080:Scn7a APN 2 66,528,160 (GRCm39) missense probably benign 0.01
IGL03180:Scn7a APN 2 66,506,578 (GRCm39) missense possibly damaging 0.94
IGL03337:Scn7a APN 2 66,506,304 (GRCm39) missense probably benign 0.00
alert UTSW 2 66,510,590 (GRCm39) nonsense probably null
glimmer UTSW 2 66,574,047 (GRCm39) missense probably damaging 0.96
Uptick UTSW 2 66,530,393 (GRCm39) nonsense probably null
PIT4514001:Scn7a UTSW 2 66,514,523 (GRCm39) missense probably damaging 1.00
R0004:Scn7a UTSW 2 66,518,139 (GRCm39) missense possibly damaging 0.81
R0076:Scn7a UTSW 2 66,544,381 (GRCm39) missense probably benign 0.04
R0230:Scn7a UTSW 2 66,556,628 (GRCm39) missense probably damaging 1.00
R0463:Scn7a UTSW 2 66,506,084 (GRCm39) missense probably benign 0.05
R0846:Scn7a UTSW 2 66,527,944 (GRCm39) missense possibly damaging 0.71
R1237:Scn7a UTSW 2 66,510,639 (GRCm39) missense probably damaging 0.98
R1282:Scn7a UTSW 2 66,531,193 (GRCm39) missense probably damaging 0.98
R1467:Scn7a UTSW 2 66,519,902 (GRCm39) missense probably benign 0.01
R1467:Scn7a UTSW 2 66,519,902 (GRCm39) missense probably benign 0.01
R1501:Scn7a UTSW 2 66,530,507 (GRCm39) missense probably benign 0.37
R1672:Scn7a UTSW 2 66,527,944 (GRCm39) missense possibly damaging 0.71
R1690:Scn7a UTSW 2 66,506,287 (GRCm39) missense probably damaging 0.99
R1712:Scn7a UTSW 2 66,535,447 (GRCm39) missense probably benign 0.05
R1758:Scn7a UTSW 2 66,531,231 (GRCm39) missense probably damaging 0.97
R1758:Scn7a UTSW 2 66,510,527 (GRCm39) missense probably benign 0.00
R1775:Scn7a UTSW 2 66,511,299 (GRCm39) missense probably benign 0.02
R1848:Scn7a UTSW 2 66,514,357 (GRCm39) critical splice donor site probably null
R1851:Scn7a UTSW 2 66,510,635 (GRCm39) missense probably benign
R1919:Scn7a UTSW 2 66,530,317 (GRCm39) missense probably damaging 1.00
R1932:Scn7a UTSW 2 66,506,446 (GRCm39) missense probably damaging 1.00
R1945:Scn7a UTSW 2 66,506,324 (GRCm39) missense probably damaging 1.00
R1970:Scn7a UTSW 2 66,514,633 (GRCm39) missense possibly damaging 0.89
R1998:Scn7a UTSW 2 66,513,613 (GRCm39) missense probably damaging 0.99
R2008:Scn7a UTSW 2 66,518,091 (GRCm39) missense possibly damaging 0.82
R2038:Scn7a UTSW 2 66,567,780 (GRCm39) missense probably damaging 1.00
R2113:Scn7a UTSW 2 66,506,312 (GRCm39) missense probably damaging 1.00
R2163:Scn7a UTSW 2 66,506,300 (GRCm39) missense probably damaging 0.97
R2421:Scn7a UTSW 2 66,556,646 (GRCm39) splice site probably benign
R2446:Scn7a UTSW 2 66,523,002 (GRCm39) missense probably damaging 0.98
R2922:Scn7a UTSW 2 66,530,551 (GRCm39) splice site probably benign
R3015:Scn7a UTSW 2 66,530,240 (GRCm39) missense probably benign 0.08
R3034:Scn7a UTSW 2 66,513,152 (GRCm39) missense probably damaging 1.00
R3419:Scn7a UTSW 2 66,531,239 (GRCm39) frame shift probably null
R3429:Scn7a UTSW 2 66,531,239 (GRCm39) frame shift probably null
R3430:Scn7a UTSW 2 66,531,239 (GRCm39) frame shift probably null
R3434:Scn7a UTSW 2 66,505,847 (GRCm39) missense probably benign 0.01
R3803:Scn7a UTSW 2 66,510,590 (GRCm39) nonsense probably null
R3831:Scn7a UTSW 2 66,528,028 (GRCm39) missense probably damaging 0.96
R3833:Scn7a UTSW 2 66,528,028 (GRCm39) missense probably damaging 0.96
R4017:Scn7a UTSW 2 66,572,329 (GRCm39) missense probably damaging 1.00
R4244:Scn7a UTSW 2 66,572,345 (GRCm39) missense probably benign 0.00
R4245:Scn7a UTSW 2 66,572,345 (GRCm39) missense probably benign 0.00
R4276:Scn7a UTSW 2 66,514,407 (GRCm39) missense probably damaging 0.97
R4307:Scn7a UTSW 2 66,506,099 (GRCm39) missense possibly damaging 0.47
R4327:Scn7a UTSW 2 66,567,815 (GRCm39) missense probably damaging 1.00
R4353:Scn7a UTSW 2 66,506,780 (GRCm39) missense probably benign 0.00
R4721:Scn7a UTSW 2 66,514,529 (GRCm39) missense probably damaging 1.00
R4722:Scn7a UTSW 2 66,531,228 (GRCm39) missense possibly damaging 0.95
R4781:Scn7a UTSW 2 66,534,104 (GRCm39) missense possibly damaging 0.95
R4792:Scn7a UTSW 2 66,556,592 (GRCm39) missense probably damaging 1.00
R5362:Scn7a UTSW 2 66,530,342 (GRCm39) missense probably damaging 1.00
R5437:Scn7a UTSW 2 66,506,690 (GRCm39) missense probably damaging 1.00
R5729:Scn7a UTSW 2 66,572,301 (GRCm39) critical splice donor site probably null
R5777:Scn7a UTSW 2 66,522,913 (GRCm39) missense probably damaging 1.00
R5785:Scn7a UTSW 2 66,527,912 (GRCm39) missense possibly damaging 0.79
R5821:Scn7a UTSW 2 66,574,047 (GRCm39) missense probably damaging 0.96
R5830:Scn7a UTSW 2 66,544,395 (GRCm39) nonsense probably null
R5877:Scn7a UTSW 2 66,530,217 (GRCm39) nonsense probably null
R5881:Scn7a UTSW 2 66,505,870 (GRCm39) missense probably benign 0.01
R5967:Scn7a UTSW 2 66,506,057 (GRCm39) missense probably damaging 1.00
R5988:Scn7a UTSW 2 66,556,558 (GRCm39) nonsense probably null
R6077:Scn7a UTSW 2 66,527,940 (GRCm39) missense probably damaging 1.00
R6135:Scn7a UTSW 2 66,534,244 (GRCm39) missense probably benign
R6242:Scn7a UTSW 2 66,531,110 (GRCm39) missense probably benign 0.00
R6264:Scn7a UTSW 2 66,505,870 (GRCm39) missense possibly damaging 0.93
R6291:Scn7a UTSW 2 66,530,458 (GRCm39) missense probably damaging 0.98
R6544:Scn7a UTSW 2 66,514,444 (GRCm39) missense probably damaging 1.00
R6770:Scn7a UTSW 2 66,559,528 (GRCm39) splice site probably null
R6997:Scn7a UTSW 2 66,534,147 (GRCm39) missense probably damaging 1.00
R7014:Scn7a UTSW 2 66,572,303 (GRCm39) missense probably null 1.00
R7126:Scn7a UTSW 2 66,587,630 (GRCm39) missense possibly damaging 0.80
R7129:Scn7a UTSW 2 66,530,537 (GRCm39) missense probably benign 0.14
R7176:Scn7a UTSW 2 66,506,632 (GRCm39) missense probably damaging 1.00
R7185:Scn7a UTSW 2 66,518,139 (GRCm39) missense possibly damaging 0.81
R7276:Scn7a UTSW 2 66,587,506 (GRCm39) missense probably damaging 1.00
R7332:Scn7a UTSW 2 66,522,898 (GRCm39) nonsense probably null
R7421:Scn7a UTSW 2 66,505,876 (GRCm39) missense probably benign 0.07
R7488:Scn7a UTSW 2 66,587,574 (GRCm39) missense probably benign 0.16
R7636:Scn7a UTSW 2 66,574,172 (GRCm39) missense possibly damaging 0.67
R7685:Scn7a UTSW 2 66,506,536 (GRCm39) missense probably damaging 1.00
R7711:Scn7a UTSW 2 66,531,221 (GRCm39) missense probably damaging 1.00
R7813:Scn7a UTSW 2 66,506,689 (GRCm39) missense probably damaging 1.00
R7833:Scn7a UTSW 2 66,506,494 (GRCm39) missense probably damaging 1.00
R7914:Scn7a UTSW 2 66,530,294 (GRCm39) missense probably damaging 0.97
R7953:Scn7a UTSW 2 66,587,670 (GRCm39) missense possibly damaging 0.90
R7970:Scn7a UTSW 2 66,506,173 (GRCm39) missense probably damaging 1.00
R8061:Scn7a UTSW 2 66,522,938 (GRCm39) missense probably damaging 1.00
R8121:Scn7a UTSW 2 66,531,203 (GRCm39) missense probably damaging 1.00
R8172:Scn7a UTSW 2 66,506,191 (GRCm39) missense possibly damaging 0.90
R8209:Scn7a UTSW 2 66,531,204 (GRCm39) missense possibly damaging 0.88
R8226:Scn7a UTSW 2 66,531,204 (GRCm39) missense possibly damaging 0.88
R8288:Scn7a UTSW 2 66,506,318 (GRCm39) missense probably damaging 1.00
R8431:Scn7a UTSW 2 66,534,164 (GRCm39) missense possibly damaging 0.62
R8678:Scn7a UTSW 2 66,574,041 (GRCm39) splice site probably benign
R8745:Scn7a UTSW 2 66,510,526 (GRCm39) missense probably benign
R8781:Scn7a UTSW 2 66,567,775 (GRCm39) missense probably benign 0.03
R8848:Scn7a UTSW 2 66,530,393 (GRCm39) nonsense probably null
R8878:Scn7a UTSW 2 66,506,199 (GRCm39) missense probably damaging 1.00
R8943:Scn7a UTSW 2 66,525,206 (GRCm39) synonymous silent
R8991:Scn7a UTSW 2 66,514,588 (GRCm39) missense possibly damaging 0.65
R9147:Scn7a UTSW 2 66,514,507 (GRCm39) missense possibly damaging 0.89
R9148:Scn7a UTSW 2 66,514,507 (GRCm39) missense possibly damaging 0.89
R9402:Scn7a UTSW 2 66,510,456 (GRCm39) missense probably damaging 1.00
R9501:Scn7a UTSW 2 66,582,579 (GRCm39) missense probably benign 0.00
R9546:Scn7a UTSW 2 66,582,603 (GRCm39) missense possibly damaging 0.93
R9715:Scn7a UTSW 2 66,519,902 (GRCm39) missense possibly damaging 0.93
X0060:Scn7a UTSW 2 66,520,026 (GRCm39) missense probably benign 0.01
X0066:Scn7a UTSW 2 66,510,536 (GRCm39) missense probably benign
Z1088:Scn7a UTSW 2 66,544,295 (GRCm39) missense probably damaging 0.98
Z1177:Scn7a UTSW 2 66,582,613 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GGGTGTTGCTCAGTTCAGAAAG -3'
(R):5'- AGTCACAAGTTCCCGAGTCC -3'

Sequencing Primer
(F):5'- TTGCTCAGTTCAGAAAGAGTATGGC -3'
(R):5'- GAGCATTGTGATGCAGTT -3'
Posted On 2014-09-17