Incidental Mutation 'R1998:Scn7a'
ID 224488
Institutional Source Beutler Lab
Gene Symbol Scn7a
Ensembl Gene ENSMUSG00000034810
Gene Name sodium channel, voltage-gated, type VII, alpha
Synonyms NaG, Nav2, Nav2.3, Nax, Scn6a
MMRRC Submission 040008-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.081) question?
Stock # R1998 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 66673425-66784914 bp(-) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) C to A at 66683269 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Glycine to Cysteine at position 1156 (G1156C)
Ref Sequence ENSEMBL: ENSMUSP00000042405 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000042792]
AlphaFold B1AYL1
Predicted Effect probably damaging
Transcript: ENSMUST00000042792
AA Change: G1156C

PolyPhen 2 Score 0.990 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000042405
Gene: ENSMUSG00000034810
AA Change: G1156C

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: 98.5%
  • 10x: 96.9%
  • 20x: 94.2%
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: 86 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2310003L06Rik T G 5: 87,970,694 N12K probably damaging Het
2700049A03Rik T A 12: 71,188,619 S1114R possibly damaging Het
4931409K22Rik G A 5: 24,545,006 R680C probably benign Het
Acot1 T A 12: 84,009,753 W82R probably damaging Het
Adam22 T C 5: 8,329,995 D101G probably damaging Het
Adcy9 T C 16: 4,297,412 D705G probably benign Het
Adgrg3 T G 8: 95,036,668 L244V probably damaging Het
Amh AGCGCCTTGG AG 10: 80,805,585 probably null Het
Brinp1 C T 4: 68,762,553 G580E probably damaging Het
Brwd1 G A 16: 96,021,288 T1239M probably damaging Het
Camk1d A T 2: 5,362,025 Y126* probably null Het
Camta1 T C 4: 151,077,880 Y1560C probably damaging Het
Cbfa2t2 T A 2: 154,504,789 L139M probably damaging Het
Cd226 T C 18: 89,207,219 V80A probably damaging Het
Dgka C T 10: 128,729,939 V367I probably benign Het
Dnajb13 A T 7: 100,504,610 I206N probably benign Het
Dst A T 1: 34,256,347 Q5693L probably damaging Het
Ear6 T A 14: 51,854,215 I73N probably benign Het
Egr1 A G 18: 34,861,534 I16V probably benign Het
Eif2s1 T A 12: 78,866,734 C70S possibly damaging Het
Epcam T C 17: 87,640,474 V124A probably damaging Het
Erbb2 T A 11: 98,428,953 C624S probably damaging Het
Fam135b T A 15: 71,452,404 H1238L probably damaging Het
Fam90a1a A G 8: 21,963,697 D356G probably benign Het
Fbrsl1 G A 5: 110,376,439 S127L probably benign Het
Fndc3c1 C T X: 106,420,705 E1276K probably benign Het
Gbe1 A T 16: 70,569,041 N702I probably damaging Het
Gm10643 A T 8: 84,064,424 C20* probably null Het
Gpr156 A G 16: 37,997,908 N322S possibly damaging Het
Gsdma T A 11: 98,673,694 I333N probably damaging Het
Gstm1 A G 3: 108,014,811 F170S probably damaging Het
Hgsnat C T 8: 25,945,252 W618* probably null Het
Htr5a G A 5: 27,850,889 V293M possibly damaging Het
Hyal4 A G 6: 24,756,311 E176G probably benign Het
Jag1 T C 2: 137,090,938 D546G probably damaging Het
Kbtbd3 A G 9: 4,330,760 E378G probably benign Het
Lipo4 A G 19: 33,514,301 V94A probably damaging Het
Magea10 A T X: 72,382,773 I205K probably benign Het
Manea A G 4: 26,327,871 L390P probably damaging Het
Mars T A 10: 127,300,478 K493* probably null Het
Mars T C 10: 127,302,871 I439V probably benign Het
Mboat2 A G 12: 24,946,673 D225G possibly damaging Het
Mcmbp T A 7: 128,709,163 E350V probably damaging Het
Mki67 A G 7: 135,705,770 M459T probably benign Het
Mlf1 G A 3: 67,395,291 G150R probably damaging Het
Mtmr14 A G 6: 113,277,924 D294G probably null Het
Nlrp4e A C 7: 23,321,246 Y386S probably benign Het
Nomo1 A G 7: 46,033,944 D38G possibly damaging Het
Nudcd2 T C 11: 40,734,017 W18R probably damaging Het
Olfr1140 T C 2: 87,746,972 Y259H probably damaging Het
Olfr1155 G A 2: 87,943,146 L161F probably benign Het
Olfr401 A G 11: 74,121,580 Y97C probably benign Het
Olfr677 G T 7: 105,056,905 V220L probably benign Het
Olfr742 T A 14: 50,515,356 C51S probably benign Het
Pcnx2 A T 8: 125,887,143 V523D probably damaging Het
Pkd1 T C 17: 24,573,014 V1225A probably damaging Het
Plekhh2 T A 17: 84,606,877 L1236Q possibly damaging Het
Ppp2r1b A G 9: 50,883,585 D570G probably damaging Het
Prrc2c T A 1: 162,704,918 probably benign Het
Rai14 C T 15: 10,594,981 probably null Het
Rap1gap2 A G 11: 74,395,833 L547P probably benign Het
Rims3 A T 4: 120,891,358 M259L probably benign Het
Rsbn1l G A 5: 20,902,370 H549Y probably damaging Het
Sart3 A C 5: 113,747,921 probably null Het
Sh3rf2 T A 18: 42,141,083 V406D probably damaging Het
Slitrk6 T C 14: 110,751,823 I151V probably damaging Het
Smarca2 A T 19: 26,631,093 Q260L probably benign Het
Smco1 A G 16: 32,273,840 R110G probably damaging Het
Spef2 T A 15: 9,668,903 probably null Het
Stab1 T A 14: 31,162,153 K219* probably null Het
Sulf1 G T 1: 12,858,834 E869* probably null Het
Susd1 T C 4: 59,349,925 I504V probably benign Het
Szt2 A G 4: 118,375,727 probably null Het
Tas1r3 A T 4: 155,862,920 C103S probably damaging Het
Thg1l C A 11: 45,950,203 W243L possibly damaging Het
Tlr4 A T 4: 66,840,470 D500V probably damaging Het
Tmem72 A G 6: 116,716,564 V5A probably benign Het
Tns4 T G 11: 99,085,703 M131L probably benign Het
Trim66 C T 7: 109,484,577 probably null Het
Ttll6 T A 11: 96,139,775 probably null Het
Ttn A T 2: 76,969,703 I387N probably damaging Het
Ubqln5 T A 7: 104,128,741 Q292L probably damaging Het
Vmn1r74 G T 7: 11,847,375 V201F probably damaging Het
Vmn2r28 G T 7: 5,488,314 D311E possibly damaging Het
Vtn T A 11: 78,499,716 V67E probably damaging Het
Xirp2 T A 2: 67,509,049 F545I probably damaging Het
Other mutations in Scn7a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00090:Scn7a APN 2 66683327 splice site probably benign
IGL00432:Scn7a APN 2 66741982 nonsense probably null
IGL00720:Scn7a APN 2 66676044 missense possibly damaging 0.67
IGL00783:Scn7a APN 2 66692564 missense probably damaging 0.99
IGL00784:Scn7a APN 2 66692564 missense probably damaging 0.99
IGL00926:Scn7a APN 2 66684131 missense probably benign 0.06
IGL00963:Scn7a APN 2 66703945 splice site probably benign
IGL01099:Scn7a APN 2 66684238 missense probably damaging 1.00
IGL01326:Scn7a APN 2 66752260 missense probably benign 0.13
IGL01538:Scn7a APN 2 66703852 missense probably benign
IGL01624:Scn7a APN 2 66751925 missense probably benign 0.07
IGL01794:Scn7a APN 2 66675509 missense probably benign
IGL02100:Scn7a APN 2 66675499 makesense probably null
IGL02326:Scn7a APN 2 66700048 missense probably benign 0.00
IGL02472:Scn7a APN 2 66752314 missense probably damaging 1.00
IGL02528:Scn7a APN 2 66700175 missense probably damaging 1.00
IGL02798:Scn7a APN 2 66713875 missense probably benign 0.00
IGL03026:Scn7a APN 2 66676098 missense probably damaging 0.99
IGL03071:Scn7a APN 2 66699947 missense possibly damaging 0.89
IGL03080:Scn7a APN 2 66697816 missense probably benign 0.01
IGL03180:Scn7a APN 2 66676234 missense possibly damaging 0.94
IGL03337:Scn7a APN 2 66675960 missense probably benign 0.00
alert UTSW 2 66680246 nonsense probably null
glimmer UTSW 2 66743703 missense probably damaging 0.96
Uptick UTSW 2 66700049 nonsense probably null
PIT4514001:Scn7a UTSW 2 66684179 missense probably damaging 1.00
R0004:Scn7a UTSW 2 66687795 missense possibly damaging 0.81
R0076:Scn7a UTSW 2 66714037 missense probably benign 0.04
R0230:Scn7a UTSW 2 66726284 missense probably damaging 1.00
R0463:Scn7a UTSW 2 66675740 missense probably benign 0.05
R0846:Scn7a UTSW 2 66697600 missense possibly damaging 0.71
R1237:Scn7a UTSW 2 66680295 missense probably damaging 0.98
R1282:Scn7a UTSW 2 66700849 missense probably damaging 0.98
R1467:Scn7a UTSW 2 66689558 missense probably benign 0.01
R1467:Scn7a UTSW 2 66689558 missense probably benign 0.01
R1501:Scn7a UTSW 2 66700163 missense probably benign 0.37
R1672:Scn7a UTSW 2 66697600 missense possibly damaging 0.71
R1690:Scn7a UTSW 2 66675943 missense probably damaging 0.99
R1712:Scn7a UTSW 2 66705103 missense probably benign 0.05
R1758:Scn7a UTSW 2 66680183 missense probably benign 0.00
R1758:Scn7a UTSW 2 66700887 missense probably damaging 0.97
R1775:Scn7a UTSW 2 66680955 missense probably benign 0.02
R1848:Scn7a UTSW 2 66684013 critical splice donor site probably null
R1851:Scn7a UTSW 2 66680291 missense probably benign
R1919:Scn7a UTSW 2 66699973 missense probably damaging 1.00
R1932:Scn7a UTSW 2 66676102 missense probably damaging 1.00
R1945:Scn7a UTSW 2 66675980 missense probably damaging 1.00
R1970:Scn7a UTSW 2 66684289 missense possibly damaging 0.89
R2008:Scn7a UTSW 2 66687747 missense possibly damaging 0.82
R2038:Scn7a UTSW 2 66737436 missense probably damaging 1.00
R2113:Scn7a UTSW 2 66675968 missense probably damaging 1.00
R2128:Scn7a UTSW 2 66697986 missense probably damaging 0.99
R2163:Scn7a UTSW 2 66675956 missense probably damaging 0.97
R2421:Scn7a UTSW 2 66726302 splice site probably benign
R2446:Scn7a UTSW 2 66692658 missense probably damaging 0.98
R2922:Scn7a UTSW 2 66700207 splice site probably benign
R3015:Scn7a UTSW 2 66699896 missense probably benign 0.08
R3034:Scn7a UTSW 2 66682808 missense probably damaging 1.00
R3419:Scn7a UTSW 2 66700895 frame shift probably null
R3429:Scn7a UTSW 2 66700895 frame shift probably null
R3430:Scn7a UTSW 2 66700895 frame shift probably null
R3434:Scn7a UTSW 2 66675503 missense probably benign 0.01
R3803:Scn7a UTSW 2 66680246 nonsense probably null
R3831:Scn7a UTSW 2 66697684 missense probably damaging 0.96
R3833:Scn7a UTSW 2 66697684 missense probably damaging 0.96
R4017:Scn7a UTSW 2 66741985 missense probably damaging 1.00
R4244:Scn7a UTSW 2 66742001 missense probably benign 0.00
R4245:Scn7a UTSW 2 66742001 missense probably benign 0.00
R4276:Scn7a UTSW 2 66684063 missense probably damaging 0.97
R4307:Scn7a UTSW 2 66675755 missense possibly damaging 0.47
R4327:Scn7a UTSW 2 66737471 missense probably damaging 1.00
R4353:Scn7a UTSW 2 66676436 missense probably benign 0.00
R4721:Scn7a UTSW 2 66684185 missense probably damaging 1.00
R4722:Scn7a UTSW 2 66700884 missense possibly damaging 0.95
R4781:Scn7a UTSW 2 66703760 missense possibly damaging 0.95
R4792:Scn7a UTSW 2 66726248 missense probably damaging 1.00
R5362:Scn7a UTSW 2 66699998 missense probably damaging 1.00
R5437:Scn7a UTSW 2 66676346 missense probably damaging 1.00
R5729:Scn7a UTSW 2 66741957 critical splice donor site probably null
R5777:Scn7a UTSW 2 66692569 missense probably damaging 1.00
R5785:Scn7a UTSW 2 66697568 missense possibly damaging 0.79
R5821:Scn7a UTSW 2 66743703 missense probably damaging 0.96
R5830:Scn7a UTSW 2 66714051 nonsense probably null
R5877:Scn7a UTSW 2 66699873 nonsense probably null
R5881:Scn7a UTSW 2 66675526 missense probably benign 0.01
R5967:Scn7a UTSW 2 66675713 missense probably damaging 1.00
R5988:Scn7a UTSW 2 66726214 nonsense probably null
R6077:Scn7a UTSW 2 66697596 missense probably damaging 1.00
R6135:Scn7a UTSW 2 66703900 missense probably benign
R6242:Scn7a UTSW 2 66700766 missense probably benign 0.00
R6264:Scn7a UTSW 2 66675526 missense possibly damaging 0.93
R6291:Scn7a UTSW 2 66700114 missense probably damaging 0.98
R6544:Scn7a UTSW 2 66684100 missense probably damaging 1.00
R6770:Scn7a UTSW 2 66729184 splice site probably null
R6997:Scn7a UTSW 2 66703803 missense probably damaging 1.00
R7014:Scn7a UTSW 2 66741959 missense probably null 1.00
R7126:Scn7a UTSW 2 66757286 missense possibly damaging 0.80
R7129:Scn7a UTSW 2 66700193 missense probably benign 0.14
R7176:Scn7a UTSW 2 66676288 missense probably damaging 1.00
R7185:Scn7a UTSW 2 66687795 missense possibly damaging 0.81
R7276:Scn7a UTSW 2 66757162 missense probably damaging 1.00
R7332:Scn7a UTSW 2 66692554 nonsense probably null
R7421:Scn7a UTSW 2 66675532 missense probably benign 0.07
R7488:Scn7a UTSW 2 66757230 missense probably benign 0.16
R7636:Scn7a UTSW 2 66743828 missense possibly damaging 0.67
R7685:Scn7a UTSW 2 66676192 missense probably damaging 1.00
R7711:Scn7a UTSW 2 66700877 missense probably damaging 1.00
R7813:Scn7a UTSW 2 66676345 missense probably damaging 1.00
R7833:Scn7a UTSW 2 66676150 missense probably damaging 1.00
R7914:Scn7a UTSW 2 66699950 missense probably damaging 0.97
R7953:Scn7a UTSW 2 66757326 missense possibly damaging 0.90
R7970:Scn7a UTSW 2 66675829 missense probably damaging 1.00
R8061:Scn7a UTSW 2 66692594 missense probably damaging 1.00
R8121:Scn7a UTSW 2 66700859 missense probably damaging 1.00
R8172:Scn7a UTSW 2 66675847 missense possibly damaging 0.90
R8209:Scn7a UTSW 2 66700860 missense possibly damaging 0.88
R8226:Scn7a UTSW 2 66700860 missense possibly damaging 0.88
R8288:Scn7a UTSW 2 66675974 missense probably damaging 1.00
R8431:Scn7a UTSW 2 66703820 missense possibly damaging 0.62
R8678:Scn7a UTSW 2 66743697 splice site probably benign
R8745:Scn7a UTSW 2 66680182 missense probably benign
R8781:Scn7a UTSW 2 66737431 missense probably benign 0.03
R8848:Scn7a UTSW 2 66700049 nonsense probably null
R8878:Scn7a UTSW 2 66675855 missense probably damaging 1.00
R8943:Scn7a UTSW 2 66694862 synonymous silent
R8991:Scn7a UTSW 2 66684244 missense possibly damaging 0.65
R9147:Scn7a UTSW 2 66684163 missense possibly damaging 0.89
R9148:Scn7a UTSW 2 66684163 missense possibly damaging 0.89
R9402:Scn7a UTSW 2 66680112 missense probably damaging 1.00
R9501:Scn7a UTSW 2 66752235 missense probably benign 0.00
R9546:Scn7a UTSW 2 66752259 missense possibly damaging 0.93
R9715:Scn7a UTSW 2 66689558 missense possibly damaging 0.93
X0060:Scn7a UTSW 2 66689682 missense probably benign 0.01
X0066:Scn7a UTSW 2 66680192 missense probably benign
Z1088:Scn7a UTSW 2 66713951 missense probably damaging 0.98
Z1177:Scn7a UTSW 2 66752269 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TCTTTCAAGCAGGATAACTAGGTCTC -3'
(R):5'- CACATTATATTGAAGTGTGGCCAAC -3'

Sequencing Primer
(F):5'- CAGGATAACTAGGTCTCAACTTTTGC -3'
(R):5'- ACCCCACCATTCAGTGTTCTAGAG -3'
Posted On 2014-08-25