Incidental Mutation 'R6730:Scnn1b'
ID 530021
Institutional Source Beutler Lab
Gene Symbol Scnn1b
Ensembl Gene ENSMUSG00000030873
Gene Name sodium channel, nonvoltage-gated 1 beta
Synonyms ENaC beta
MMRRC Submission 044848-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6730 (G1)
Quality Score 211.009
Status Validated
Chromosome 7
Chromosomal Location 121464261-121517737 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 121502100 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Serine at position 253 (P253S)
Ref Sequence ENSEMBL: ENSMUSP00000145900 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000033161] [ENSMUST00000205438] [ENSMUST00000205520] [ENSMUST00000206079]
AlphaFold Q9WU38
Predicted Effect probably damaging
Transcript: ENSMUST00000033161
AA Change: P253S

PolyPhen 2 Score 0.981 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000033161
Gene: ENSMUSG00000030873
AA Change: P253S

DomainStartEndE-ValueType
Pfam:ASC 29 541 2.4e-93 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000205438
Predicted Effect probably damaging
Transcript: ENSMUST00000205520
AA Change: P253S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Predicted Effect probably benign
Transcript: ENSMUST00000206079
Meta Mutation Damage Score 0.1047 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.1%
  • 20x: 94.5%
Validation Efficiency 100% (44/44)
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: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930455H04Rik T A 3: 116,777,124 (GRCm39) *59R probably null Het
Adam10 G T 9: 70,647,458 (GRCm39) probably null Het
Adam2 A T 14: 66,275,025 (GRCm39) N569K possibly damaging Het
Adam20 T C 8: 41,249,696 (GRCm39) V602A probably benign Het
Adgrb3 T C 1: 25,133,375 (GRCm39) Y1237C probably damaging Het
Ago3 T C 4: 126,265,338 (GRCm39) T318A probably null Het
Aknad1 G A 3: 108,659,655 (GRCm39) G223D possibly damaging Het
Camkv T C 9: 107,825,516 (GRCm39) S478P possibly damaging Het
Ccl27a T A 4: 41,773,342 (GRCm39) H39L probably damaging Het
Ccser2 C A 14: 36,601,043 (GRCm39) S447I probably damaging Het
Clvs2 A G 10: 33,404,517 (GRCm39) L233P probably damaging Het
Csn1s2b T A 5: 87,970,127 (GRCm39) H124Q probably benign Het
Dnhd1 T C 7: 105,353,082 (GRCm39) L2745P probably benign Het
Dync1i2 T A 2: 71,077,484 (GRCm39) F219L probably benign Het
Eml2 G A 7: 18,935,088 (GRCm39) V432I probably damaging Het
Ephb6 C T 6: 41,594,308 (GRCm39) Q613* probably null Het
Erc2 A C 14: 27,620,524 (GRCm39) D50A possibly damaging Het
Fam149a T A 8: 45,834,211 (GRCm39) D196V probably damaging Het
Ficd T C 5: 113,876,773 (GRCm39) V316A probably damaging Het
Gstm6 T A 3: 107,850,041 (GRCm39) K18* probably null Het
Ighv1-62-1 A T 12: 115,350,512 (GRCm39) W52R probably benign Het
Klhl18 C T 9: 110,257,979 (GRCm39) C417Y probably damaging Het
Ly9 T A 1: 171,432,737 (GRCm39) Y92F probably benign Het
Mettl18 C T 1: 163,824,750 (GRCm39) T357I probably damaging Het
Myoz2 C A 3: 122,810,276 (GRCm39) G100C probably damaging Het
Or10a49 A T 7: 108,467,780 (GRCm39) F194I probably benign Het
Or4k47 A G 2: 111,452,080 (GRCm39) V113A probably damaging Het
Or7h8 T C 9: 20,123,798 (GRCm39) I51T probably benign Het
Pars2 C T 4: 106,510,628 (GRCm39) L128F probably damaging Het
Pcsk6 G T 7: 65,629,996 (GRCm39) R374L probably damaging Het
Ptpn3 T C 4: 57,270,088 (GRCm39) T25A probably benign Het
Rab11fip1 G A 8: 27,633,257 (GRCm39) P1150S probably damaging Het
Rabep1 A G 11: 70,831,212 (GRCm39) Q831R possibly damaging Het
Rad17 T C 13: 100,786,253 (GRCm39) probably benign Het
Rxfp1 T A 3: 79,557,898 (GRCm39) R527* probably null Het
Skic2 G A 17: 35,064,166 (GRCm39) R507* probably null Het
Slc2a7 T C 4: 150,242,605 (GRCm39) F231S probably damaging Het
Svil A G 18: 5,049,311 (GRCm39) N196S probably benign Het
Tent5c T A 3: 100,380,273 (GRCm39) N161I probably benign Het
Urb1 T C 16: 90,575,971 (GRCm39) S862G possibly damaging Het
Usp30 T C 5: 114,241,770 (GRCm39) S87P probably damaging Het
Vmn1r177 T A 7: 23,565,237 (GRCm39) H213L probably damaging Het
Vmn2r106 T A 17: 20,499,096 (GRCm39) I272L possibly damaging Het
Vmn2r120 T A 17: 57,832,012 (GRCm39) D259V 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
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
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'- GATTCCTTCCTGAGAAGCGC -3'
(R):5'- TGTCATGAGCTGTCTCGGAC -3'

Sequencing Primer
(F):5'- TCTCACAGTGCAGTGCCAATG -3'
(R):5'- TGTCTCGGACGTGCCTC -3'
Posted On 2018-08-01