Incidental Mutation 'R0578:Scnn1a'
ID 56305
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 038768-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0578 (G1)
Quality Score 130
Status Validated
Chromosome 6
Chromosomal Location 125297622-125321906 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 125299207 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Serine at position 96 (G96S)
Ref Sequence ENSEMBL: ENSMUSP00000135551 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000081440] [ENSMUST00000175966] [ENSMUST00000176110] [ENSMUST00000176365] [ENSMUST00000176442] [ENSMUST00000176655] [ENSMUST00000177329]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000081440
AA Change: G122S

PolyPhen 2 Score 0.552 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000080164
Gene: ENSMUSG00000030340
AA Change: G122S

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 probably damaging
Transcript: ENSMUST00000175966
AA Change: G96S

PolyPhen 2 Score 0.966 (Sensitivity: 0.77; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000135551
Gene: ENSMUSG00000030340
AA Change: G96S

DomainStartEndE-ValueType
Pfam:ASC 62 264 3.5e-28 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000176110
AA Change: G96S

PolyPhen 2 Score 0.773 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000134940
Gene: ENSMUSG00000030340
AA Change: G96S

DomainStartEndE-ValueType
Pfam:ASC 62 575 1.9e-112 PFAM
low complexity region 621 651 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000176365
AA Change: G80S

PolyPhen 2 Score 0.084 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000135467
Gene: ENSMUSG00000030340
AA Change: G80S

DomainStartEndE-ValueType
Pfam:ASC 46 141 1.8e-27 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000176442
AA Change: G15S

PolyPhen 2 Score 0.773 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000135336
Gene: ENSMUSG00000030340
AA Change: G15S

DomainStartEndE-ValueType
Pfam:ASC 1 494 6.3e-105 PFAM
low complexity region 540 570 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000176655
AA Change: G15S

PolyPhen 2 Score 0.773 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000135798
Gene: ENSMUSG00000030340
AA Change: G15S

DomainStartEndE-ValueType
Pfam:ASC 1 494 6.4e-105 PFAM
low complexity region 540 570 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000177329
AA Change: G96S

PolyPhen 2 Score 0.773 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000134929
Gene: ENSMUSG00000030340
AA Change: G96S

DomainStartEndE-ValueType
Pfam:ASC 62 575 1.9e-112 PFAM
low complexity region 621 651 N/A INTRINSIC
Meta Mutation Damage Score 0.1892 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.9%
  • 10x: 97.5%
  • 20x: 95.0%
Validation Efficiency 100% (53/53)
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930407I10Rik A G 15: 81,943,556 (GRCm39) Y56C possibly damaging Het
Abca5 A T 11: 110,167,315 (GRCm39) C1500* probably null Het
Acr C G 15: 89,453,678 (GRCm39) H72Q probably damaging Het
Adam18 T C 8: 25,131,863 (GRCm39) D416G possibly damaging Het
Afap1l2 T A 19: 56,904,214 (GRCm39) Y691F probably benign Het
Akna A G 4: 63,289,147 (GRCm39) S1259P probably benign Het
Atad2 G A 15: 57,968,964 (GRCm39) T525I probably damaging Het
Atp2a1 T G 7: 126,049,315 (GRCm39) M576L probably benign Het
B4galt6 T C 18: 20,861,013 (GRCm39) probably benign Het
Best3 A G 10: 116,844,904 (GRCm39) D353G probably benign Het
Btg3 A T 16: 78,161,834 (GRCm39) D125E probably benign Het
Cabin1 A T 10: 75,549,444 (GRCm39) D1320E probably damaging Het
Cachd1 A C 4: 100,852,039 (GRCm39) probably benign Het
Cad T C 5: 31,216,120 (GRCm39) V151A probably benign Het
Capns1 A T 7: 29,893,453 (GRCm39) probably benign Het
Catsperg2 T A 7: 29,404,116 (GRCm39) T860S possibly damaging Het
Ccdc61 T C 7: 18,637,400 (GRCm39) T76A probably benign Het
Cdipt T A 7: 126,578,702 (GRCm39) probably null Het
Cyp2d12 G A 15: 82,440,584 (GRCm39) probably benign Het
Dennd4c C A 4: 86,730,659 (GRCm39) P852Q probably damaging Het
Dsg2 G A 18: 20,727,291 (GRCm39) V613I probably benign Het
Dusp16 G C 6: 134,695,284 (GRCm39) L516V probably damaging Het
Eif2ak4 T G 2: 118,305,472 (GRCm39) probably benign Het
Faf2 C T 13: 54,769,658 (GRCm39) A2V possibly damaging Het
Gas2l3 A G 10: 89,252,937 (GRCm39) I236T probably damaging Het
Gm6605 C A 7: 38,147,699 (GRCm39) noncoding transcript Het
Got1 G T 19: 43,504,222 (GRCm39) S66R probably benign Het
Gpr149 T A 3: 62,510,110 (GRCm39) H335L possibly damaging Het
Hadhb A G 5: 30,383,804 (GRCm39) I342M probably benign Het
Helz T A 11: 107,577,226 (GRCm39) V1859D unknown Het
Htr1a T A 13: 105,581,595 (GRCm39) N278K probably damaging Het
Inppl1 T C 7: 101,480,795 (GRCm39) E355G probably damaging Het
Isl2 A G 9: 55,452,319 (GRCm39) Y297C probably damaging Het
Kat7 T C 11: 95,182,350 (GRCm39) H250R probably benign Het
Klhl30 A T 1: 91,282,074 (GRCm39) D225V probably benign Het
Mtch2 T C 2: 90,683,174 (GRCm39) probably benign Het
Muc4 C A 16: 32,755,690 (GRCm38) probably benign Het
Ncoa7 A C 10: 30,577,913 (GRCm39) probably null Het
Nuf2 T A 1: 169,338,118 (GRCm39) probably benign Het
Or5ak24 T C 2: 85,261,017 (GRCm39) D52G probably benign Het
Or6c8 A G 10: 128,915,062 (GRCm39) Y257H probably damaging Het
Pced1a T A 2: 130,261,763 (GRCm39) S297C probably damaging Het
Pi15 A T 1: 17,673,073 (GRCm39) K91* probably null Het
Pla2g4e C T 2: 120,075,162 (GRCm39) probably benign Het
Plce1 A T 19: 38,766,383 (GRCm39) H2136L probably damaging Het
Plec A G 15: 76,061,084 (GRCm39) L2973P probably damaging Het
Poln A G 5: 34,171,682 (GRCm39) I695T probably damaging Het
Pramel32 T A 4: 88,552,376 (GRCm39) I2F probably benign Het
R3hdm1 C T 1: 128,159,174 (GRCm39) Q950* probably null Het
Rxra C T 2: 27,649,582 (GRCm39) A429V probably damaging Het
Senp5 T A 16: 31,808,163 (GRCm39) T337S possibly damaging Het
Smg9 A G 7: 24,114,468 (GRCm39) D269G probably damaging Het
Srsf11 C T 3: 157,717,704 (GRCm39) probably benign Het
Tmtc1 C T 6: 148,256,716 (GRCm39) probably benign Het
Vmn2r19 T C 6: 123,312,931 (GRCm39) V667A probably 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
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
R6812:Scnn1a UTSW 6 125,314,819 (GRCm39) missense probably benign 0.09
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'- GGCAACAATTTCAAGGAGCAAGACC -3'
(R):5'- TCTCTCTGCGACTGACCTGTAAGG -3'

Sequencing Primer
(F):5'- AGGAGCAAGACCTTTGTCCTC -3'
(R):5'- CTGACCTGTAAGGATTAAGGGTGC -3'
Posted On 2013-07-11