Incidental Mutation 'R1237:Scn7a'
ID 152448
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 039304-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.107) question?
Stock # R1237 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 66503770-66615254 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 66510639 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Lysine at position 1254 (N1254K)
Ref Sequence ENSEMBL: ENSMUSP00000042405 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000042792]
AlphaFold B1AYL1
Predicted Effect probably damaging
Transcript: ENSMUST00000042792
AA Change: N1254K

PolyPhen 2 Score 0.980 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000042405
Gene: ENSMUSG00000034810
AA Change: N1254K

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
Meta Mutation Damage Score 0.6454 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.2%
  • 10x: 95.9%
  • 20x: 91.8%
Validation Efficiency 98% (40/41)
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: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcg3 T C 5: 105,096,223 (GRCm39) T500A probably damaging Het
Amz1 A T 5: 140,727,039 (GRCm39) M1L probably damaging Het
Angptl1 T A 1: 156,686,154 (GRCm39) N413K probably damaging Het
Ankrd13b T C 11: 77,365,400 (GRCm39) T70A probably damaging Het
Cacna1c C T 6: 118,589,586 (GRCm39) R1446H probably damaging Het
Ccdc174 C T 6: 91,867,768 (GRCm39) probably benign Het
Ccnc T A 4: 21,730,457 (GRCm39) F31L probably benign Het
Celsr1 A C 15: 85,788,175 (GRCm39) S2692R probably benign Het
Chd1l C T 3: 97,490,047 (GRCm39) E503K probably benign Het
Ddhd1 A T 14: 45,839,107 (GRCm39) D65E probably benign Het
Dync1h1 A G 12: 110,632,393 (GRCm39) N4504S probably benign Het
Enthd1 A G 15: 80,418,799 (GRCm39) S167P probably damaging Het
Fat1 A T 8: 45,497,316 (GRCm39) Y4267F probably damaging Het
Hectd4 C T 5: 121,459,570 (GRCm39) A813V possibly damaging Het
Ibtk T C 9: 85,602,801 (GRCm39) S735G probably benign Het
Itga4 A G 2: 79,109,490 (GRCm39) I230V probably null Het
Kcnh8 A T 17: 53,200,988 (GRCm39) Q474L probably damaging Het
Kcnh8 G T 17: 53,200,989 (GRCm39) Q474H probably damaging Het
Mib1 C T 18: 10,768,149 (GRCm39) T466I probably damaging Het
Or12d12 T A 17: 37,611,156 (GRCm39) R52S probably benign Het
Or2ad1 C T 13: 21,326,337 (GRCm39) V297I probably benign Het
Or2l5 A C 16: 19,334,375 (GRCm39) Y4D probably benign Het
Parp14 G A 16: 35,677,130 (GRCm39) A946V probably benign Het
Prdx6b A G 2: 80,123,520 (GRCm39) I110V probably benign Het
Prf1 A C 10: 61,139,428 (GRCm39) D462A probably benign Het
Rps6ka5 T C 12: 100,541,964 (GRCm39) D391G possibly damaging Het
Skor2 A T 18: 76,963,827 (GRCm39) K924* probably null Het
Slc22a21 A G 11: 53,870,598 (GRCm39) I29T probably benign Het
Tas2r140 T C 6: 133,032,171 (GRCm39) T196A probably benign Het
Thrap3 A G 4: 126,073,862 (GRCm39) S295P probably benign Het
Trim43a GATTTATTTATTTATTTATTTATTTATTTATTTATTTATT GATTTATTTATTTATTTATTTATTTATTTATTTATTTATTTATT 9: 88,465,042 (GRCm39) probably benign Het
Ubtd2 C T 11: 32,466,125 (GRCm39) R115W probably damaging Het
Unc93b1 A G 19: 3,985,228 (GRCm39) E12G possibly damaging Het
Vgll3 T A 16: 65,636,459 (GRCm39) Y203* probably null Het
Vmn1r212 G A 13: 23,067,638 (GRCm39) Q232* probably null Het
Vmn2r107 T A 17: 20,576,947 (GRCm39) L315* probably null Het
Vmn2r84 T A 10: 130,223,725 (GRCm39) probably null Het
Washc5 A G 15: 59,210,757 (GRCm39) 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
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
R2128:Scn7a UTSW 2 66,528,330 (GRCm39) missense probably damaging 0.99
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'- GCAGTGAGCTTCAGTATGCATTCCAG -3'
(R):5'- ACCCCGCCCCAGAGTAAGAAAATATTAT -3'

Sequencing Primer
(F):5'- CAGTATGCATTCCAGAGTGAAC -3'
(R):5'- ggaagtagaggcagtagtatcag -3'
Posted On 2014-01-29