Incidental Mutation 'R1932:Scn7a'
ID 215432
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 039950-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.110) question?
Stock # R1932 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 66673425-66784914 bp(-) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) A to T at 66676102 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Leucine to Histidine at position 1481 (L1481H)
Ref Sequence ENSEMBL: ENSMUSP00000042405 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000042792]
AlphaFold B1AYL1
Predicted Effect probably damaging
Transcript: ENSMUST00000042792
AA Change: L1481H

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000042405
Gene: ENSMUSG00000034810
AA Change: L1481H

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: 97.5%
  • 3x: 97.0%
  • 10x: 95.6%
  • 20x: 93.3%
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: 92 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcg4 T A 9: 44,279,394 Q278H probably benign Het
Ace3 T C 11: 106,004,610 probably null Het
Aco1 T C 4: 40,176,499 V221A probably damaging Het
Adamts20 T A 15: 94,404,010 H27L probably benign Het
Adamts8 A G 9: 30,956,512 D544G probably benign Het
Angptl4 C A 17: 33,781,275 E40* probably null Het
Arsi G A 18: 60,916,651 G202E probably benign Het
Atf7ip2 T A 16: 10,241,703 I369N possibly damaging Het
Atp6ap1l T A 13: 90,883,687 Y292F probably damaging Het
Atp6v1b2 A T 8: 69,102,807 K217* probably null Het
Bid C T 6: 120,897,255 A110T possibly damaging Het
Blvra T A 2: 127,095,148 W174R probably damaging Het
Catsperg1 C T 7: 29,198,143 G239R probably damaging Het
Ccdc157 G T 11: 4,146,549 A400D probably damaging Het
Chd2 G T 7: 73,454,445 P1298T probably damaging Het
CK137956 G A 4: 127,946,858 L352F possibly damaging Het
Col22a1 G A 15: 71,870,140 P503S unknown Het
Cox15 C T 19: 43,746,785 R181H probably benign Het
Crem C T 18: 3,299,284 G47R probably benign Het
Crygs T A 16: 22,806,554 T46S probably benign Het
Cts8 T A 13: 61,253,615 H62L probably damaging Het
Cyp4a32 T A 4: 115,611,277 F319I possibly damaging Het
Dchs1 T C 7: 105,765,902 S692G probably damaging Het
Ddx23 G A 15: 98,650,718 R370W possibly damaging Het
Defa29 A T 8: 21,326,849 S43T probably damaging Het
Dnajc14 A G 10: 128,816,792 D573G probably damaging Het
Drd5 A G 5: 38,319,976 Y104C probably benign Het
Efcab7 C T 4: 99,911,018 P102L probably damaging Het
Efhc1 A G 1: 20,967,400 Y267C probably damaging Het
Eif2ak4 T C 2: 118,448,486 Y243H probably damaging Het
Gfm2 T A 13: 97,141,967 I7N probably damaging Het
Gmds A G 13: 32,127,997 F150L possibly damaging Het
Gp2 T C 7: 119,454,232 T169A possibly damaging Het
Grb14 A G 2: 64,912,802 F508L probably damaging Het
Hdac5 T A 11: 102,195,872 probably benign Het
Heatr1 T A 13: 12,435,185 M620K probably damaging Het
Herc3 A G 6: 58,876,793 E608G probably damaging Het
Hoxb4 T C 11: 96,320,041 Y156H probably damaging Het
Ifi205 T A 1: 174,028,414 I17F possibly damaging Het
Il2rb A T 15: 78,491,777 S25T possibly damaging Het
Kansl1 T C 11: 104,335,097 T998A probably damaging Het
Kcna6 G T 6: 126,738,488 H479Q probably benign Het
Kif2a T C 13: 106,978,091 K350R probably benign Het
Lct G T 1: 128,294,161 A1547E probably damaging Het
Lhx9 T A 1: 138,842,009 probably benign Het
Lingo1 T A 9: 56,619,650 I552F possibly damaging Het
Lrp4 G A 2: 91,497,355 W1516* probably null Het
Lrp5 C T 19: 3,610,131 V978I probably benign Het
Ltbp1 T A 17: 75,313,034 D719E probably benign Het
Ltbp4 A G 7: 27,307,766 probably null Het
Macf1 A G 4: 123,452,037 I1326T probably damaging Het
Manba T C 3: 135,544,740 F376S probably benign Het
Mink1 T C 11: 70,608,428 probably null Het
Nfatc2ip C T 7: 126,384,992 V410I probably damaging Het
Nlrp1b A T 11: 71,182,138 I293N probably damaging Het
Olfr432 T C 1: 174,050,678 Y102H probably damaging Het
Otol1 A C 3: 70,028,104 E476D probably benign Het
Pcdhb4 C T 18: 37,309,541 P635S probably benign Het
Pfkfb4 T A 9: 108,999,169 F91I probably damaging Het
Polq G A 16: 37,062,304 R1610Q possibly damaging Het
Polr3c A T 3: 96,719,298 L270H probably damaging Het
Ppp1r15b C T 1: 133,131,625 probably benign Het
Prkca T G 11: 108,192,149 D90A probably benign Het
Sall3 T C 18: 80,969,753 D1156G probably benign Het
Selenon A T 4: 134,544,618 I292N probably damaging Het
Sema6d T A 2: 124,659,886 probably null Het
Sgpp1 G T 12: 75,716,179 Y409* probably null Het
Sh3pxd2a A G 19: 47,267,508 S924P probably benign Het
Slc25a13 A G 6: 6,042,264 V638A probably benign Het
Snhg11 T C 2: 158,376,826 probably benign Het
Sorbs2 A G 8: 45,796,352 Q800R probably benign Het
Srf C A 17: 46,549,986 G401C probably damaging Het
Stradb A C 1: 58,991,105 N173H probably benign Het
Swap70 C T 7: 110,279,263 A480V possibly damaging Het
Sycp2 A G 2: 178,381,957 V422A probably damaging Het
Taf4 G A 2: 179,932,029 T682M probably damaging Het
Tet3 T C 6: 83,404,379 N269S possibly damaging Het
Thap12 A T 7: 98,716,838 I738F possibly damaging Het
Tiam2 C T 17: 3,514,725 R1413C possibly damaging Het
Tmem229a A T 6: 24,955,011 F248Y probably damaging Het
Tmprss7 G A 16: 45,684,593 Q145* probably null Het
Tnc A T 4: 63,993,025 probably null Het
Tonsl A T 15: 76,624,597 Y21N probably damaging Het
Tpr A G 1: 150,421,663 D1009G probably benign Het
Trpm2 G A 10: 77,941,158 A435V probably damaging Het
Ubr3 T A 2: 69,953,476 probably null Het
Vcan T C 13: 89,705,534 N436D possibly damaging Het
Vmn2r104 T A 17: 20,040,769 Y464F probably damaging Het
Vmn2r44 T A 7: 8,367,982 R688S probably benign Het
Wdr74 G T 19: 8,737,947 V157L probably benign Het
Wnt7a T A 6: 91,394,548 D144V probably benign Het
Zfp106 C T 2: 120,531,681 A986T possibly 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
R1945:Scn7a UTSW 2 66675980 missense probably damaging 1.00
R1970:Scn7a UTSW 2 66684289 missense possibly damaging 0.89
R1998:Scn7a UTSW 2 66683269 missense probably damaging 0.99
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'- GATCCAGAGCAGCTGCAAAATC -3'
(R):5'- GTGTCCAACTTTGAGACCTTTGG -3'

Sequencing Primer
(F):5'- CAGAAAGCTTGCTAGAGTCTATGTAC -3'
(R):5'- CCAACTTTGAGACCTTTGGAAGCAG -3'
Posted On 2014-07-14