Incidental Mutation 'R8122:Asah1'
ID 631551
Institutional Source Beutler Lab
Gene Symbol Asah1
Ensembl Gene ENSMUSG00000031591
Gene Name N-acylsphingosine amidohydrolase 1
Synonyms 2310081N20Rik, acid ceramidase
MMRRC Submission 067551-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8122 (G1)
Quality Score 225.009
Status Validated
Chromosome 8
Chromosomal Location 41793234-41827810 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 41796767 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 305 (E305G)
Ref Sequence ENSEMBL: ENSMUSP00000034000 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034000] [ENSMUST00000110417]
AlphaFold Q9WV54
Predicted Effect probably benign
Transcript: ENSMUST00000034000
AA Change: E305G

PolyPhen 2 Score 0.006 (Sensitivity: 0.97; Specificity: 0.75)
SMART Domains Protein: ENSMUSP00000034000
Gene: ENSMUSG00000031591
AA Change: E305G

DomainStartEndE-ValueType
signal peptide 1 20 N/A INTRINSIC
Pfam:NAAA-beta 44 138 4.2e-35 PFAM
Pfam:CBAH 142 389 1e-58 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000110417
SMART Domains Protein: ENSMUSP00000106047
Gene: ENSMUSG00000031591

DomainStartEndE-ValueType
Pfam:NAAA-beta 24 118 8.8e-39 PFAM
Pfam:CBAH 122 216 7.9e-24 PFAM
Meta Mutation Damage Score 0.0754 question?
Coding Region Coverage
  • 1x: 99.8%
  • 3x: 99.7%
  • 10x: 99.0%
  • 20x: 97.5%
Validation Efficiency 98% (47/48)
MGI Phenotype FUNCTION: This gene encodes acid ceramidase, an enzyme that plays a central role in ceramide metabolism. The encoded protein undergoes proteolytic processing to generate a heterodimeric enzyme comprised of alpha and beta subunits that catalyzes the hydrolysis of sphingolipid ceramide into sphingosine and free fatty acid. The homozygous disruption of this gene leads to embryonic lethality in mice whereas the heterozygous animals exhibit a progressive lipid storage disease phenotype. [provided by RefSeq, Oct 2015]
PHENOTYPE: Nullizygous mutation of this gene causes embryonic lethality. Homozygotes for the P361R mutation die prematurely with growth defects, low acid ceramidase activity, high ceramide levels, histiocyte infiltrates into various organs, Farber bodies, short femur growth plates and altered ovary morphology. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abat A G 16: 8,433,761 (GRCm39) Y426C probably damaging Het
Acsbg3 T A 17: 57,193,670 (GRCm39) V672E possibly damaging Het
Adgrv1 A G 13: 81,419,037 (GRCm39) V5986A probably damaging Het
Adgrv1 A T 13: 81,588,344 (GRCm39) V4414E possibly damaging Het
Ahnak2 T C 12: 112,742,510 (GRCm39) S521G possibly damaging Het
Amer2 A T 14: 60,616,791 (GRCm39) M329L possibly damaging Het
Arhgap20 A G 9: 51,761,293 (GRCm39) N1048S probably damaging Het
AW551984 T A 9: 39,510,665 (GRCm39) K223N probably damaging Het
Bptf C A 11: 106,927,417 (GRCm39) probably null Het
C1qtnf6 T C 15: 78,411,446 (GRCm39) N77D probably benign Het
Capn13 T A 17: 73,674,205 (GRCm39) I83F probably damaging Het
Cd6 A G 19: 10,770,231 (GRCm39) F487L probably damaging Het
Cit T C 5: 116,107,069 (GRCm39) V1067A probably damaging Het
Cspg4b A T 13: 113,455,442 (GRCm39) D496V Het
Csrnp1 T C 9: 119,802,273 (GRCm39) D262G probably damaging Het
Cyp2d11 T A 15: 82,276,744 (GRCm39) Q65L probably benign Het
Dbt T A 3: 116,313,891 (GRCm39) C19* probably null Het
Dgkg A C 16: 22,385,295 (GRCm39) probably null Het
Eif4g2 T C 7: 110,677,760 (GRCm39) I118V possibly damaging Het
Evl C T 12: 108,647,783 (GRCm39) R295* probably null Het
Gpr158 A T 2: 21,831,674 (GRCm39) M925L probably benign Het
Kcnn2 T G 18: 45,810,005 (GRCm39) V414G probably damaging Het
Lama2 G A 10: 26,930,592 (GRCm39) H2055Y possibly damaging Het
Loxl3 T A 6: 83,026,240 (GRCm39) W443R probably damaging Het
Mab21l1 A T 3: 55,690,905 (GRCm39) D164V probably benign Het
Mroh7 T C 4: 106,559,726 (GRCm39) T734A probably damaging Het
Or2y1f C A 11: 49,184,401 (GRCm39) N84K probably damaging Het
Or8g35 A G 9: 39,381,822 (GRCm39) S67P probably damaging Het
Pkhd1 C T 1: 20,632,682 (GRCm39) E578K probably damaging Het
Pld2 T A 11: 70,432,259 (GRCm39) L126* probably null Het
Polk A T 13: 96,620,291 (GRCm39) N716K probably benign Het
Ppl C T 16: 4,906,725 (GRCm39) R1190H probably damaging Het
Prom1 T C 5: 44,170,295 (GRCm39) K669E probably benign Het
Sag A G 1: 87,762,289 (GRCm39) D318G probably damaging Het
Scfd1 T A 12: 51,480,052 (GRCm39) V528E possibly damaging Het
Scn4a A G 11: 106,221,157 (GRCm39) L834P probably benign Het
Shank1 G T 7: 43,983,015 (GRCm39) G637V unknown Het
Slc12a6 A G 2: 112,097,167 (GRCm39) M1V probably null Het
St6gal1 A G 16: 23,173,644 (GRCm39) K242R probably benign Het
Syt3 A G 7: 44,045,153 (GRCm39) Y495C probably damaging Het
Taar8c C T 10: 23,977,107 (GRCm39) S235N probably benign Het
Tmem183a A T 1: 134,282,503 (GRCm39) C201S probably benign Het
Top2a T C 11: 98,889,993 (GRCm39) I1237V probably benign Het
Trub1 G T 19: 57,473,563 (GRCm39) V207L probably benign Het
Ttll13 T A 7: 79,909,217 (GRCm39) I634N probably benign Het
Ube2j1 T G 4: 33,045,145 (GRCm39) N208K probably benign Het
Wdr17 A G 8: 55,118,011 (GRCm39) S569P probably damaging Het
Other mutations in Asah1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01824:Asah1 APN 8 41,802,580 (GRCm39) unclassified probably benign
IGL02512:Asah1 APN 8 41,813,344 (GRCm39) intron probably benign
IGL02523:Asah1 APN 8 41,804,984 (GRCm39) missense probably benign
IGL03115:Asah1 APN 8 41,813,336 (GRCm39) missense possibly damaging 0.94
IGL03357:Asah1 APN 8 41,799,233 (GRCm39) splice site probably benign
PIT4366001:Asah1 UTSW 8 41,796,783 (GRCm39) missense possibly damaging 0.94
R0593:Asah1 UTSW 8 41,802,619 (GRCm39) missense probably benign 0.02
R1451:Asah1 UTSW 8 41,807,049 (GRCm39) critical splice donor site probably null
R1977:Asah1 UTSW 8 41,796,554 (GRCm39) critical splice donor site probably null
R2200:Asah1 UTSW 8 41,796,765 (GRCm39) critical splice donor site probably null
R3429:Asah1 UTSW 8 41,804,925 (GRCm39) unclassified probably benign
R4002:Asah1 UTSW 8 41,801,176 (GRCm39) splice site probably benign
R4078:Asah1 UTSW 8 41,807,119 (GRCm39) missense probably damaging 0.99
R4470:Asah1 UTSW 8 41,796,761 (GRCm39) splice site probably null
R4471:Asah1 UTSW 8 41,796,761 (GRCm39) splice site probably null
R4968:Asah1 UTSW 8 41,807,067 (GRCm39) missense
R4970:Asah1 UTSW 8 41,813,314 (GRCm39) nonsense probably null
R5643:Asah1 UTSW 8 41,813,332 (GRCm39) missense possibly damaging 0.94
R5644:Asah1 UTSW 8 41,813,332 (GRCm39) missense possibly damaging 0.94
R6128:Asah1 UTSW 8 41,807,092 (GRCm39) missense probably damaging 1.00
R6419:Asah1 UTSW 8 41,796,803 (GRCm39) missense probably damaging 1.00
R7059:Asah1 UTSW 8 41,800,106 (GRCm39) missense probably damaging 0.96
R7442:Asah1 UTSW 8 41,796,602 (GRCm39) missense possibly damaging 0.60
R7587:Asah1 UTSW 8 41,827,578 (GRCm39) missense probably benign 0.43
R7663:Asah1 UTSW 8 41,794,664 (GRCm39) missense probably damaging 0.98
R7980:Asah1 UTSW 8 41,807,067 (GRCm39) missense
R8275:Asah1 UTSW 8 41,801,159 (GRCm39) missense probably damaging 1.00
R8700:Asah1 UTSW 8 41,813,312 (GRCm39) missense probably benign 0.03
R8752:Asah1 UTSW 8 41,813,314 (GRCm39) missense possibly damaging 0.47
R8960:Asah1 UTSW 8 41,800,061 (GRCm39) missense probably damaging 1.00
R9131:Asah1 UTSW 8 41,807,049 (GRCm39) critical splice donor site probably null
R9539:Asah1 UTSW 8 41,827,584 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TGTTCTGCGGTCATCAATAAAC -3'
(R):5'- AAGGACTGCTGATACCTGTTTCC -3'

Sequencing Primer
(F):5'- TCTGCGGTCATCAATAAACAAGGTG -3'
(R):5'- TTAGTTTCTACACCTAAAACACAGC -3'
Posted On 2020-06-30