Incidental Mutation 'R4968:Asah1'
ID 384187
Institutional Source Beutler Lab
Gene Symbol Asah1
Ensembl Gene ENSMUSG00000031591
Gene Name N-acylsphingosine amidohydrolase 1
Synonyms 2310081N20Rik, acid ceramidase
MMRRC Submission 042564-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4968 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 41793234-41827810 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 41807067 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Threonine at position 119 (M119T)
Ref Sequence ENSEMBL: ENSMUSP00000117362 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034000] [ENSMUST00000110417] [ENSMUST00000143057]
AlphaFold Q9WV54
Predicted Effect probably benign
Transcript: ENSMUST00000034000
AA Change: M95T

PolyPhen 2 Score 0.217 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000034000
Gene: ENSMUSG00000031591
AA Change: M95T

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000126561
Predicted Effect
SMART Domains Protein: ENSMUSP00000117362
Gene: ENSMUSG00000031591
AA Change: M119T

DomainStartEndE-ValueType
signal peptide 1 26 N/A INTRINSIC
Pfam:NAAA-beta 68 120 6.4e-18 PFAM
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 93.6%
Validation Efficiency
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: 69 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2810021J22Rik A T 11: 58,769,616 (GRCm39) K53* probably null Het
4921513D11Rik T C 17: 79,935,651 (GRCm39) S255P probably benign Het
Ace A G 11: 105,872,679 (GRCm39) N367S possibly damaging Het
Agl A T 3: 116,582,175 (GRCm39) N282K probably benign Het
Ahnak C A 19: 8,992,464 (GRCm39) P4583T probably damaging Het
Alpi T C 1: 87,029,247 (GRCm39) D4G probably benign Het
Anks6 C T 4: 47,030,795 (GRCm39) G601S probably damaging Het
Aplnr T C 2: 84,967,289 (GRCm39) Y105H probably damaging Het
Arhgap9 G A 10: 127,162,875 (GRCm39) R395K possibly damaging Het
Atp5f1b T C 10: 127,919,856 (GRCm39) F75L probably damaging Het
B4galt6 G T 18: 20,861,026 (GRCm39) N75K possibly damaging Het
Bco1 A T 8: 117,857,833 (GRCm39) H486L probably benign Het
Btaf1 T A 19: 36,947,351 (GRCm39) L480Q probably null Het
Ccdc34 G T 2: 109,871,078 (GRCm39) probably null Het
Cdh19 T C 1: 110,852,958 (GRCm39) S326G probably benign Het
Cep89 A G 7: 35,109,055 (GRCm39) D178G possibly damaging Het
Cyp11b2 A T 15: 74,725,854 (GRCm39) probably null Het
Cyp21a1 A G 17: 35,022,383 (GRCm39) I157T possibly damaging Het
Dcbld2 A G 16: 58,245,074 (GRCm39) D116G probably damaging Het
Ddx5 T C 11: 106,674,953 (GRCm39) Q377R probably damaging Het
Deup1 T C 9: 15,503,724 (GRCm39) D279G probably damaging Het
F11 G A 8: 45,698,770 (GRCm39) A458V probably benign Het
Fhad1 C A 4: 141,645,618 (GRCm39) G326W probably damaging Het
Fhit C T 14: 10,421,522 (GRCm38) V26M probably damaging Het
Gjb5 A T 4: 127,250,015 (GRCm39) V43E probably damaging Het
Grtp1 A T 8: 13,242,184 (GRCm39) I75N probably damaging Het
Hmcn1 A G 1: 150,533,221 (GRCm39) I3022T possibly damaging Het
Hsp90ab1 T C 17: 45,881,962 (GRCm39) T166A probably benign Het
Ift70b T C 2: 75,768,391 (GRCm39) I121V probably benign Het
Iho1 C T 9: 108,289,713 (GRCm39) V170M probably benign Het
Ikbke GCC G 1: 131,203,004 (GRCm39) probably null Het
Kcnk10 T C 12: 98,401,161 (GRCm39) I491V probably benign Het
Kcp A T 6: 29,497,628 (GRCm39) C519* probably null Het
Lcmt2 T C 2: 120,970,217 (GRCm39) T69A probably benign Het
Lmf1 A G 17: 25,804,592 (GRCm39) Y90C probably damaging Het
Lpp A G 16: 24,798,064 (GRCm39) D612G probably damaging Het
Lrfn5 C A 12: 61,886,461 (GRCm39) S83Y probably damaging Het
Lrp1b T C 2: 40,592,719 (GRCm39) probably null Het
Lrp1b C T 2: 41,679,074 (GRCm39) C6Y probably damaging Het
Lrrc8c A G 5: 105,754,993 (GRCm39) D256G probably damaging Het
Mphosph10 A G 7: 64,032,656 (GRCm39) Y478H probably damaging Het
Mpp2 T C 11: 101,955,124 (GRCm39) H167R probably benign Het
Mtss1 A G 15: 58,815,767 (GRCm39) S598P probably damaging Het
Myh10 A G 11: 68,684,049 (GRCm39) E1154G probably damaging Het
Myo10 T C 15: 25,808,270 (GRCm39) V1218A probably damaging Het
Myo19 A G 11: 84,792,328 (GRCm39) K599R probably damaging Het
Neurl4 T C 11: 69,798,134 (GRCm39) M771T probably damaging Het
Nlrc4 A G 17: 74,753,936 (GRCm39) V149A probably benign Het
Nup133 A T 8: 124,641,935 (GRCm39) S843T probably benign Het
Or2y1c T C 11: 49,361,358 (GRCm39) C127R probably damaging Het
Or51k1 T C 7: 103,661,777 (GRCm39) N44S probably damaging Het
P3h2 A G 16: 25,811,412 (GRCm39) probably null Het
Piezo2 A T 18: 63,278,042 (GRCm39) Y287* probably null Het
Prob1 T C 18: 35,785,605 (GRCm39) Y883C probably damaging Het
Pxdn T A 12: 30,050,011 (GRCm39) H506Q probably benign Het
Ripor3 T C 2: 167,827,037 (GRCm39) D658G probably benign Het
Rufy1 T A 11: 50,301,434 (GRCm39) I333L probably benign Het
Selenok T A 14: 29,692,064 (GRCm39) V34E probably benign Het
Selplg T C 5: 113,957,787 (GRCm39) E173G possibly damaging Het
Septin10 A G 10: 59,016,943 (GRCm39) F194L probably damaging Het
Sptbn2 A T 19: 4,779,230 (GRCm39) probably null Het
St6galnac6 C T 2: 32,498,098 (GRCm39) P6S probably benign Het
Syngr2 T C 11: 117,704,296 (GRCm39) Y194H probably damaging Het
Thbs4 A G 13: 92,894,576 (GRCm39) I649T possibly damaging Het
Triobp T A 15: 78,850,816 (GRCm39) N323K probably benign Het
Tuba8 T A 6: 121,197,548 (GRCm39) L70Q probably damaging Het
Vmn2r61 A G 7: 41,949,478 (GRCm39) T633A probably benign Het
Zfp280b G T 10: 75,875,188 (GRCm39) V356L probably damaging Het
Zswim4 A T 8: 84,944,001 (GRCm39) V746D probably benign 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
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
R8122:Asah1 UTSW 8 41,796,767 (GRCm39) missense probably benign 0.01
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'- ATTTTCCCATTGCTGTGAGAAC -3'
(R):5'- CCTTCATCTGAATGATTGAGAAGC -3'

Sequencing Primer
(F):5'- CCCATTGCTGTGAGAACTAGGG -3'
(R):5'- CATCTGAATGATTGAGAAGCAATGC -3'
Posted On 2016-04-27