Incidental Mutation 'R6812:Scnn1a'
ID 533840
Institutional Source Beutler Lab
Gene Symbol Scnn1a
Ensembl Gene ENSMUSG00000030340
Gene Name sodium channel, nonvoltage-gated 1 alpha
Synonyms Scnn1, mENaC, ENaC alpha
MMRRC Submission 044924-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6812 (G1)
Quality Score 225.009
Status Validated
Chromosome 6
Chromosomal Location 125297622-125321906 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 125314819 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Serine at position 314 (N314S)
Ref Sequence ENSEMBL: ENSMUSP00000134929 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000081440] [ENSMUST00000175966] [ENSMUST00000176110] [ENSMUST00000176442] [ENSMUST00000176655] [ENSMUST00000177329]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000081440
AA Change: N340S

PolyPhen 2 Score 0.087 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000080164
Gene: ENSMUSG00000030340
AA Change: N340S

DomainStartEndE-ValueType
low complexity region 13 18 N/A INTRINSIC
Pfam:ASC 88 600 1.1e-93 PFAM
low complexity region 647 677 N/A INTRINSIC
Predicted Effect silent
Transcript: ENSMUST00000175966
SMART Domains Protein: ENSMUSP00000135551
Gene: ENSMUSG00000030340

DomainStartEndE-ValueType
Pfam:ASC 62 264 3.5e-28 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000176110
AA Change: N314S

PolyPhen 2 Score 0.087 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000134940
Gene: ENSMUSG00000030340
AA Change: N314S

DomainStartEndE-ValueType
Pfam:ASC 62 575 1.9e-112 PFAM
low complexity region 621 651 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000176442
AA Change: N233S

PolyPhen 2 Score 0.087 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000135336
Gene: ENSMUSG00000030340
AA Change: N233S

DomainStartEndE-ValueType
Pfam:ASC 1 494 6.3e-105 PFAM
low complexity region 540 570 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000176655
AA Change: N233S

PolyPhen 2 Score 0.087 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000135798
Gene: ENSMUSG00000030340
AA Change: N233S

DomainStartEndE-ValueType
Pfam:ASC 1 494 6.4e-105 PFAM
low complexity region 540 570 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000177329
AA Change: N314S

PolyPhen 2 Score 0.087 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000134929
Gene: ENSMUSG00000030340
AA Change: N314S

DomainStartEndE-ValueType
Pfam:ASC 62 575 1.9e-112 PFAM
low complexity region 621 651 N/A INTRINSIC
Meta Mutation Damage Score 0.0915 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.8%
  • 10x: 99.0%
  • 20x: 97.4%
Validation Efficiency 100% (56/56)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Nonvoltage-gated, amiloride-sensitive, sodium channels control fluid and electrolyte transport across epithelia in many organs. These channels are heteromeric complexes consisting of 3 subunits: alpha, beta, and gamma. This gene encodes the alpha subunit, and mutations in this gene have been associated with pseudohypoaldosteronism type 1 (PHA1), a rare salt wasting disease resulting from target organ unresponsiveness to mineralocorticoids. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Apr 2009]
PHENOTYPE: Homozygotes for targeted null mutations exhibit skin with epithelial hyperplasia, abnormal nuclei, premature lipid secretion, and abnormal keratohyaline granules. Mutants die within 40 hours of birth due to inability to clear their lungs of liquid. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrg7 C T 16: 56,616,161 (GRCm39) probably benign Het
Ak9 A T 10: 41,243,163 (GRCm39) M686L unknown Het
Ap3b1 A T 13: 94,616,369 (GRCm39) T757S unknown Het
Apob A T 12: 8,033,062 (GRCm39) K139N probably damaging Het
Arid4a A G 12: 71,094,037 (GRCm39) E270G possibly damaging Het
Atp1a2 A T 1: 172,112,444 (GRCm39) C515S probably benign Het
Bicd1 T C 6: 149,311,035 (GRCm39) Y37H probably damaging Het
Birc2 T G 9: 7,854,418 (GRCm39) D424A probably damaging Het
Ccdc97 A T 7: 25,412,469 (GRCm39) F324L probably damaging Het
Crim1 T A 17: 78,623,029 (GRCm39) I409N probably damaging Het
Cul7 T A 17: 46,972,335 (GRCm39) I1233N probably benign Het
Dcaf1 T C 9: 106,735,268 (GRCm39) S739P probably damaging Het
Ddb1 T C 19: 10,599,863 (GRCm39) probably null Het
Dennd5b T C 6: 148,982,630 (GRCm39) probably benign Het
Dna2 A G 10: 62,795,120 (GRCm39) S464G probably benign Het
Dnah9 C T 11: 65,872,155 (GRCm39) V2692M probably damaging Het
Dvl2 T C 11: 69,891,821 (GRCm39) Y55H probably damaging Het
Eif4g3 G T 4: 137,830,687 (GRCm39) Q140H probably damaging Het
Enpp5 G A 17: 44,396,467 (GRCm39) V460M probably benign Het
Etv2 G T 7: 30,333,426 (GRCm39) C265* probably null Het
F12 T C 13: 55,569,658 (GRCm39) E146G probably damaging Het
Fdps C A 3: 89,001,783 (GRCm39) E301D possibly damaging Het
Fsd2 G T 7: 81,184,837 (GRCm39) H686Q probably benign Het
Gk5 T C 9: 96,032,802 (GRCm39) S262P probably damaging Het
Gm20730 A G 6: 43,058,722 (GRCm39) V30A probably benign Het
Gpr68 C A 12: 100,844,670 (GRCm39) E291D probably damaging Het
Gucy2c A G 6: 136,674,993 (GRCm39) V1006A probably benign Het
Itgb1 T A 8: 129,431,891 (GRCm39) probably null Het
Kif2a A T 13: 107,106,259 (GRCm39) D570E probably benign Het
Krt8 G T 15: 101,906,414 (GRCm39) A365D probably damaging Het
Lias T A 5: 65,566,132 (GRCm39) V373E possibly damaging Het
Mpl A G 4: 118,312,461 (GRCm39) V169A probably benign Het
Myh3 T A 11: 66,977,228 (GRCm39) I319N probably damaging Het
Myrfl T A 10: 116,668,818 (GRCm39) K315I probably damaging Het
Nrap T C 19: 56,340,108 (GRCm39) D803G probably damaging Het
Obi1 A G 14: 104,747,868 (GRCm39) V40A unknown Het
Or5b119 T C 19: 13,456,975 (GRCm39) T196A probably benign Het
Pald1 A G 10: 61,178,701 (GRCm39) S536P possibly damaging Het
Phka2 G A X: 159,316,044 (GRCm39) V230I probably damaging Het
Prkaa2 T A 4: 104,904,349 (GRCm39) T243S probably benign Het
Prrc2b T A 2: 32,103,153 (GRCm39) V877D probably benign Het
Rbm27 T A 18: 42,466,468 (GRCm39) probably null Het
Rbm48 A G 5: 3,646,105 (GRCm39) V33A probably benign Het
Rev3l G T 10: 39,699,544 (GRCm39) R1347L probably benign Het
Rtp3 A G 9: 110,816,180 (GRCm39) F124L probably benign Het
Ryr3 C T 2: 112,777,251 (GRCm39) G302D probably damaging Het
Sik3 C T 9: 46,122,067 (GRCm39) R907W probably damaging Het
Sox5 C T 6: 144,062,169 (GRCm39) probably null Het
Tmc1 A C 19: 20,878,225 (GRCm39) L90R probably damaging Het
Tmtc2 A G 10: 105,249,130 (GRCm39) V201A probably benign Het
Uvrag T A 7: 98,537,689 (GRCm39) H502L probably benign Het
Vwa8 T A 14: 79,434,859 (GRCm39) I1760N probably damaging Het
Zfp318 G GAAGAAT 17: 46,723,468 (GRCm39) probably benign Het
Zfp772 T C 7: 7,209,307 (GRCm39) D61G possibly damaging Het
Other mutations in Scnn1a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00227:Scnn1a APN 6 125,315,342 (GRCm39) missense probably benign 0.11
IGL01793:Scnn1a APN 6 125,320,666 (GRCm39) missense probably benign 0.03
IGL01992:Scnn1a APN 6 125,315,900 (GRCm39) critical splice donor site probably null
IGL03280:Scnn1a APN 6 125,319,744 (GRCm39) splice site probably benign
scylla UTSW 6 125,320,208 (GRCm39) missense probably damaging 0.98
R0086:Scnn1a UTSW 6 125,319,550 (GRCm39) splice site probably benign
R0442:Scnn1a UTSW 6 125,316,100 (GRCm39) missense probably damaging 1.00
R0454:Scnn1a UTSW 6 125,299,189 (GRCm39) missense probably damaging 1.00
R0578:Scnn1a UTSW 6 125,299,207 (GRCm39) missense probably damaging 0.97
R1538:Scnn1a UTSW 6 125,315,856 (GRCm39) missense possibly damaging 0.48
R1579:Scnn1a UTSW 6 125,299,103 (GRCm39) missense probably damaging 1.00
R1803:Scnn1a UTSW 6 125,309,157 (GRCm39) missense probably damaging 0.98
R1876:Scnn1a UTSW 6 125,315,801 (GRCm39) missense probably benign 0.05
R2113:Scnn1a UTSW 6 125,314,774 (GRCm39) missense possibly damaging 0.60
R2178:Scnn1a UTSW 6 125,307,965 (GRCm39) missense probably damaging 0.96
R2960:Scnn1a UTSW 6 125,299,256 (GRCm39) missense probably damaging 1.00
R4072:Scnn1a UTSW 6 125,315,870 (GRCm39) missense probably damaging 1.00
R4603:Scnn1a UTSW 6 125,299,123 (GRCm39) missense probably damaging 1.00
R4928:Scnn1a UTSW 6 125,299,136 (GRCm39) missense probably damaging 1.00
R5436:Scnn1a UTSW 6 125,319,985 (GRCm39) missense possibly damaging 0.94
R7089:Scnn1a UTSW 6 125,314,770 (GRCm39) missense probably benign 0.05
R8371:Scnn1a UTSW 6 125,320,806 (GRCm39) missense possibly damaging 0.83
R8372:Scnn1a UTSW 6 125,320,681 (GRCm39) missense probably damaging 0.96
R8841:Scnn1a UTSW 6 125,320,208 (GRCm39) missense probably damaging 0.98
R9509:Scnn1a UTSW 6 125,319,604 (GRCm39) missense probably damaging 0.99
X0026:Scnn1a UTSW 6 125,299,073 (GRCm39) missense probably damaging 1.00
Z1176:Scnn1a UTSW 6 125,320,855 (GRCm39) missense probably damaging 0.96
Predicted Primers PCR Primer
(F):5'- AGGTCTACTTCCCAGTGCTG -3'
(R):5'- GACCTTTCCAGAATGGCGAGAG -3'

Sequencing Primer
(F):5'- TACTTCCCAGTGCTGTGCAGG -3'
(R):5'- GGCATATCAAGGTGAGACCC -3'
Posted On 2018-09-12