Incidental Mutation 'R9204:Scnn1b'
ID 698380
Institutional Source Beutler Lab
Gene Symbol Scnn1b
Ensembl Gene ENSMUSG00000030873
Gene Name sodium channel, nonvoltage-gated 1 beta
Synonyms ENaC beta
MMRRC Submission
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R9204 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 121464261-121517737 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 121498522 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Serine at position 21 (T21S)
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: T21S

PolyPhen 2 Score 0.197 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000033161
Gene: ENSMUSG00000030873
AA Change: T21S

DomainStartEndE-ValueType
Pfam:ASC 29 541 2.4e-93 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000205438
Predicted Effect probably benign
Transcript: ENSMUST00000205520
AA Change: T21S

PolyPhen 2 Score 0.304 (Sensitivity: 0.90; Specificity: 0.89)
Predicted Effect probably benign
Transcript: ENSMUST00000206079
AA Change: T21S

PolyPhen 2 Score 0.047 (Sensitivity: 0.94; Specificity: 0.83)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.8%
Validation Efficiency 100% (52/52)
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadat T C 8: 60,996,566 (GRCm39) V389A possibly damaging Het
Adgrl1 T C 8: 84,660,519 (GRCm39) F792S probably benign Het
Angptl2 A T 2: 33,118,342 (GRCm39) I39F probably benign Het
Aprt A G 8: 123,303,355 (GRCm39) I29T probably damaging Het
Arhgap21 A T 2: 20,885,816 (GRCm39) S464T probably damaging Het
Atic T C 1: 71,603,636 (GRCm39) Y151H probably damaging Het
BB014433 T C 8: 15,092,623 (GRCm39) T77A unknown Het
Boc C A 16: 44,308,077 (GRCm39) C926F Het
Brd10 A G 19: 29,696,938 (GRCm39) S852P possibly damaging Het
Cabin1 C T 10: 75,530,550 (GRCm39) R1544Q probably benign Het
Ccdc33 A G 9: 57,938,388 (GRCm39) V861A probably benign Het
Ccdc88c T C 12: 100,904,322 (GRCm39) T230A unknown Het
Cdc42bpa T A 1: 179,939,460 (GRCm39) probably null Het
Chrnb2 T C 3: 89,668,128 (GRCm39) M396V probably benign Het
Chst2 A G 9: 95,287,155 (GRCm39) V397A probably damaging Het
Cit T A 5: 116,126,498 (GRCm39) N1643K probably damaging Het
Ckb T A 12: 111,637,869 (GRCm39) D113V probably benign Het
Cyp2c68 A T 19: 39,727,571 (GRCm39) M136K probably damaging Het
Epas1 G T 17: 87,116,873 (GRCm39) R181L probably damaging Het
Flnc A C 6: 29,452,353 (GRCm39) I1726L possibly damaging Het
Fras1 G A 5: 96,883,022 (GRCm39) R2518H probably damaging Het
Gid4 T C 11: 60,308,654 (GRCm39) V58A probably benign Het
Hmcn1 T A 1: 150,610,262 (GRCm39) N1469I probably benign Het
Hmcn2 A G 2: 31,278,377 (GRCm39) E1693G probably damaging Het
Irx4 C G 13: 73,416,649 (GRCm39) C348W probably damaging Het
Lrig2 A G 3: 104,387,438 (GRCm39) S410P possibly damaging Het
Lsm11 A G 11: 45,824,789 (GRCm39) V246A probably benign Het
Ltbp1 G T 17: 75,670,425 (GRCm39) V1489F probably damaging Het
Mc2r T C 18: 68,540,667 (GRCm39) T209A probably benign Het
Mms22l T C 4: 24,581,153 (GRCm39) L821P probably damaging Het
Mtus2 A T 5: 148,238,293 (GRCm39) E1206V probably damaging Het
Muc5b T A 7: 141,410,129 (GRCm39) H1234Q unknown Het
Naip5 A T 13: 100,359,008 (GRCm39) F743I probably damaging Het
Nphp3 G A 9: 103,919,305 (GRCm39) V1318I probably benign Het
Or4c10b T G 2: 89,711,482 (GRCm39) L104W probably damaging Het
Or52a24 A G 7: 103,382,056 (GRCm39) K308E possibly damaging Het
Or5p60 A T 7: 107,723,935 (GRCm39) N178K possibly damaging Het
Or7g26 T C 9: 19,229,995 (GRCm39) L61P probably damaging Het
Or8b4 C A 9: 37,830,670 (GRCm39) T239K probably damaging Het
Or9k2b G C 10: 130,016,566 (GRCm39) P61R probably damaging Het
Paqr5 G A 9: 61,868,826 (GRCm39) R246C probably benign Het
Pdgfb T C 15: 79,885,956 (GRCm39) Q128R probably damaging Het
Prr3 T A 17: 36,285,619 (GRCm39) I88F possibly damaging Het
Ptprd C G 4: 75,872,315 (GRCm39) A1134P possibly damaging Het
R3hcc1l G A 19: 42,552,301 (GRCm39) D433N probably benign Het
Smcr8 A G 11: 60,668,857 (GRCm39) I2V probably damaging Het
Stk33 T C 7: 108,940,686 (GRCm39) D8G probably benign Het
Tbc1d22a T C 15: 86,098,803 (GRCm39) F10L probably benign Het
Tmem126a T A 7: 90,102,026 (GRCm39) I58F possibly damaging Het
Ttf2 T C 3: 100,869,880 (GRCm39) K398E probably benign Het
Tyw1 G A 5: 130,298,065 (GRCm39) R202Q probably damaging Het
Usp53 G T 3: 122,741,068 (GRCm39) N727K probably benign Het
Vmn2r25 T G 6: 123,830,092 (GRCm39) I20L probably benign Het
Zfp747l1 T A 7: 126,984,332 (GRCm39) I257L unknown 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
R8670:Scnn1b UTSW 7 121,498,472 (GRCm39) missense probably benign 0.06
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
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'- AGTCAAGCCATAGTCACTCACTAAG -3'
(R):5'- AGCTCAGGTAGGTCTGGATG -3'

Sequencing Primer
(F):5'- CTCACTAAGTGCTTTTCTGTTGAATG -3'
(R):5'- TAGGTCTGGATGAAGACTCCC -3'
Posted On 2022-02-07