Incidental Mutation 'R8670:Scnn1b'
ID 661102
Institutional Source Beutler Lab
Gene Symbol Scnn1b
Ensembl Gene ENSMUSG00000030873
Gene Name sodium channel, nonvoltage-gated 1 beta
Synonyms ENaC beta
MMRRC Submission 068525-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8670 (G1)
Quality Score 154.008
Status Not validated
Chromosome 7
Chromosomal Location 121464261-121517737 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 121498472 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Arginine at position 4 (K4R)
Ref Sequence ENSEMBL: ENSMUSP00000033161 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033161] [ENSMUST00000205438] [ENSMUST00000205520] [ENSMUST00000206079]
AlphaFold Q9WU38
Predicted Effect probably benign
Transcript: ENSMUST00000033161
AA Change: K4R

PolyPhen 2 Score 0.064 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000033161
Gene: ENSMUSG00000030873
AA Change: K4R

DomainStartEndE-ValueType
Pfam:ASC 29 541 2.4e-93 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000205438
Predicted Effect probably benign
Transcript: ENSMUST00000205520
AA Change: K4R

PolyPhen 2 Score 0.109 (Sensitivity: 0.93; Specificity: 0.86)
Predicted Effect probably benign
Transcript: ENSMUST00000206079
AA Change: K4R

PolyPhen 2 Score 0.052 (Sensitivity: 0.94; Specificity: 0.83)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.2%
  • 20x: 96.8%
Validation Efficiency
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 beta subunit, and mutations in this gene have been associated with pseudohypoaldosteronism type 1 (PHA1), and Liddle syndrome. [provided by RefSeq, Apr 2009]
PHENOTYPE: Homozygous mutation of this gene results in death shortly after birth, decreased serum sodium levels but higher urine sodium levels and increased serum potassium and chloride levels but lower potassium urine levels. Another homozygous mutation exhibits no abnormal phenotype. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca8a A T 11: 109,966,424 (GRCm39) L403Q probably damaging Het
Actl11 T C 9: 107,805,959 (GRCm39) F94S possibly damaging Het
Adam34 C T 8: 44,105,126 (GRCm39) C173Y possibly damaging Het
Ankrd24 C T 10: 81,465,526 (GRCm39) probably benign Het
Armh2 A G 13: 24,930,240 (GRCm39) E162G probably benign Het
Atp12a A T 14: 56,617,546 (GRCm39) D612V probably damaging Het
Cacna2d1 T C 5: 16,140,013 (GRCm39) M1T probably null Het
Ccdc178 T C 18: 22,230,719 (GRCm39) E384G possibly damaging Het
Cd82 T A 2: 93,250,905 (GRCm39) T212S probably benign Het
Cdk17 T A 10: 93,061,958 (GRCm39) L263* probably null Het
Cfap57 T G 4: 118,472,122 (GRCm39) I86L possibly damaging Het
Chd5 T C 4: 152,469,953 (GRCm39) M1842T possibly damaging Het
Clcn7 T C 17: 25,378,588 (GRCm39) F691S probably damaging Het
Cpvl A T 6: 53,951,780 (GRCm39) M1K probably null Het
Cym T C 3: 107,118,812 (GRCm39) probably null Het
Diaph3 T C 14: 86,893,835 (GRCm39) E1147G probably benign Het
Eif4g3 T G 4: 137,885,823 (GRCm39) probably null Het
Esp3 A G 17: 40,943,040 (GRCm39) D11G probably benign Het
Exoc1 A G 5: 76,717,505 (GRCm39) Y865C probably damaging Het
Flg2 A T 3: 93,108,791 (GRCm39) Q273L probably damaging Het
Fuca1 G A 4: 135,650,282 (GRCm39) V118I possibly damaging Het
Gga3 T C 11: 115,478,542 (GRCm39) N417D probably benign Het
Il1rl1 A T 1: 40,480,559 (GRCm39) I63F probably damaging Het
Kif26b A G 1: 178,741,349 (GRCm39) Y785C probably damaging Het
Kif5b A C 18: 6,214,631 (GRCm39) S599A probably benign Het
Klhl22 T A 16: 17,594,327 (GRCm39) I152N probably damaging Het
Mex3c GC G 18: 73,722,776 (GRCm39) probably null Het
Muc21 T A 17: 35,932,540 (GRCm39) T549S unknown Het
Or52n2c A T 7: 104,574,419 (GRCm39) M184K probably damaging Het
Or8g2 A G 9: 39,821,719 (GRCm39) I207V probably benign Het
Orc3 A T 4: 34,572,529 (GRCm39) I633N probably damaging Het
Pclo G A 5: 14,732,061 (GRCm39) R3521H unknown Het
Plec A G 15: 76,061,726 (GRCm39) L2737P probably damaging Het
Prom1 T A 5: 44,159,186 (GRCm39) I813F probably benign Het
Prpf40b T A 15: 99,207,621 (GRCm39) M517K probably damaging Het
Rab8a TA TAA 8: 72,925,130 (GRCm39) probably null Het
Rnf213 T C 11: 119,349,563 (GRCm39) L3808P Het
Siglec1 A G 2: 130,923,387 (GRCm39) S453P probably damaging Het
Sim1 A G 10: 50,784,849 (GRCm39) K165E probably damaging Het
Slc49a4 G T 16: 35,556,005 (GRCm39) Q152K possibly damaging Het
Slco1a7 G A 6: 141,711,468 (GRCm39) T81I possibly damaging Het
Smarce1 T C 11: 99,101,098 (GRCm39) T345A possibly damaging Het
Spty2d1 T C 7: 46,647,519 (GRCm39) N470S probably benign Het
Stab2 T A 10: 86,776,587 (GRCm39) D763V probably damaging Het
Tbl1xr1 A T 3: 22,245,164 (GRCm39) E171D probably damaging Het
Tenm4 C T 7: 96,555,148 (GRCm39) P2618S probably benign Het
Tex15 T A 8: 34,064,746 (GRCm39) I1392K probably benign Het
Thada T C 17: 84,739,774 (GRCm39) E827G probably benign Het
Ttc3 A G 16: 94,191,067 (GRCm39) Y185C probably damaging Het
Vmn2r18 C A 5: 151,485,854 (GRCm39) D547Y probably damaging Het
Wdpcp T C 11: 21,645,196 (GRCm39) V208A probably benign Het
Zfp322a T A 13: 23,541,274 (GRCm39) Q156L possibly damaging Het
Zfp947 T C 17: 22,364,687 (GRCm39) D329G probably benign Het
Other mutations in Scnn1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01021:Scnn1b APN 7 121,517,259 (GRCm39) missense probably damaging 1.00
IGL01108:Scnn1b APN 7 121,513,555 (GRCm39) splice site probably null
IGL02191:Scnn1b APN 7 121,516,736 (GRCm39) missense probably damaging 1.00
IGL02197:Scnn1b APN 7 121,502,113 (GRCm39) missense probably null 0.89
IGL02355:Scnn1b APN 7 121,516,770 (GRCm39) missense probably damaging 1.00
IGL02362:Scnn1b APN 7 121,516,770 (GRCm39) missense probably damaging 1.00
IGL02554:Scnn1b APN 7 121,516,746 (GRCm39) missense probably damaging 1.00
IGL02834:Scnn1b APN 7 121,511,285 (GRCm39) missense probably damaging 1.00
R0266:Scnn1b UTSW 7 121,511,698 (GRCm39) missense probably damaging 1.00
R0494:Scnn1b UTSW 7 121,498,681 (GRCm39) missense probably damaging 1.00
R0849:Scnn1b UTSW 7 121,511,698 (GRCm39) missense probably damaging 1.00
R0872:Scnn1b UTSW 7 121,513,553 (GRCm39) critical splice donor site probably null
R0899:Scnn1b UTSW 7 121,516,938 (GRCm39) missense probably damaging 1.00
R1386:Scnn1b UTSW 7 121,501,711 (GRCm39) missense possibly damaging 0.60
R1406:Scnn1b UTSW 7 121,501,767 (GRCm39) critical splice donor site probably null
R1406:Scnn1b UTSW 7 121,501,767 (GRCm39) critical splice donor site probably null
R1662:Scnn1b UTSW 7 121,501,551 (GRCm39) missense probably benign 0.00
R1782:Scnn1b UTSW 7 121,517,184 (GRCm39) missense probably benign
R1829:Scnn1b UTSW 7 121,502,068 (GRCm39) missense probably benign 0.00
R1861:Scnn1b UTSW 7 121,513,484 (GRCm39) missense probably damaging 1.00
R1928:Scnn1b UTSW 7 121,509,670 (GRCm39) missense probably damaging 1.00
R4016:Scnn1b UTSW 7 121,513,555 (GRCm39) splice site probably null
R4192:Scnn1b UTSW 7 121,501,962 (GRCm39) missense possibly damaging 0.63
R4504:Scnn1b UTSW 7 121,511,698 (GRCm39) missense probably damaging 1.00
R4745:Scnn1b UTSW 7 121,501,509 (GRCm39) missense probably benign 0.03
R4888:Scnn1b UTSW 7 121,502,110 (GRCm39) missense probably benign 0.06
R4941:Scnn1b UTSW 7 121,511,231 (GRCm39) missense probably damaging 1.00
R5121:Scnn1b UTSW 7 121,502,110 (GRCm39) missense probably benign 0.06
R6379:Scnn1b UTSW 7 121,514,551 (GRCm39) missense probably benign 0.10
R6516:Scnn1b UTSW 7 121,511,335 (GRCm39) missense probably damaging 1.00
R6650:Scnn1b UTSW 7 121,502,043 (GRCm39) missense probably damaging 0.97
R6730:Scnn1b UTSW 7 121,502,100 (GRCm39) missense probably damaging 1.00
R7151:Scnn1b UTSW 7 121,517,109 (GRCm39) missense probably damaging 1.00
R8675:Scnn1b UTSW 7 121,498,474 (GRCm39) missense probably damaging 1.00
R8930:Scnn1b UTSW 7 121,502,067 (GRCm39) missense probably damaging 0.99
R8932:Scnn1b UTSW 7 121,502,067 (GRCm39) missense probably damaging 0.99
R9170:Scnn1b UTSW 7 121,511,326 (GRCm39) missense probably benign 0.32
R9204:Scnn1b UTSW 7 121,498,522 (GRCm39) missense probably benign 0.20
R9339:Scnn1b UTSW 7 121,511,254 (GRCm39) missense probably damaging 0.98
R9466:Scnn1b UTSW 7 121,502,013 (GRCm39) missense probably damaging 1.00
R9696:Scnn1b UTSW 7 121,498,462 (GRCm39) start codon destroyed probably damaging 0.99
R9709:Scnn1b UTSW 7 121,509,693 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- TGATACTGGTTCAGTCAAGCC -3'
(R):5'- TCTGGATGAAGACTCCCCACTG -3'

Sequencing Primer
(F):5'- ACTGGTTCAGTCAAGCCATAGTC -3'
(R):5'- TGCCAGCACACCAGGCAG -3'
Posted On 2021-03-08