Incidental Mutation 'PIT4366001:Asah1'
ID 554764
Institutional Source Beutler Lab
Gene Symbol Asah1
Ensembl Gene ENSMUSG00000031591
Gene Name N-acylsphingosine amidohydrolase 1
Synonyms 2310081N20Rik, acid ceramidase
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # PIT4366001 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 41793234-41827810 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 41796783 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 300 (S300P)
Ref Sequence ENSEMBL: ENSMUSP00000034000 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034000] [ENSMUST00000110417]
AlphaFold Q9WV54
Predicted Effect possibly damaging
Transcript: ENSMUST00000034000
AA Change: S300P

PolyPhen 2 Score 0.936 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000034000
Gene: ENSMUSG00000031591
AA Change: S300P

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
Coding Region Coverage
  • 1x: 93.0%
  • 3x: 90.7%
  • 10x: 85.5%
  • 20x: 73.8%
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: 68 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aatk C A 11: 119,901,786 (GRCm39) S870I possibly damaging Het
Abca13 T C 11: 9,244,962 (GRCm39) V2275A probably benign Het
Abcb5 T C 12: 118,899,833 (GRCm39) K278R probably damaging Het
Adcy2 TA TAA 13: 68,858,109 (GRCm39) probably benign Het
Add3 C T 19: 53,205,298 (GRCm39) P16L unknown Het
Akap9 T A 5: 4,096,221 (GRCm39) D2365E probably benign Het
Astn1 A T 1: 158,424,779 (GRCm39) H655L probably benign Het
Astn1 A T 1: 158,424,781 (GRCm39) I656F probably benign Het
Bmpr1b T A 3: 141,586,224 (GRCm39) T13S probably benign Het
Camsap2 A G 1: 136,208,055 (GRCm39) F478L Het
Card10 G A 15: 78,671,631 (GRCm39) S611L probably benign Het
Cep68 T C 11: 20,190,007 (GRCm39) N335S probably benign Het
Chac1 T C 2: 119,181,986 (GRCm39) W35R probably damaging Het
Cntn6 T C 6: 104,809,498 (GRCm39) V511A probably benign Het
Cpne9 G T 6: 113,271,707 (GRCm39) G356W probably damaging Het
Dnah10 C A 5: 124,852,588 (GRCm39) T1939K possibly damaging Het
Dock10 T C 1: 80,573,438 (GRCm39) N239D probably benign Het
Dock5 T C 14: 68,062,123 (GRCm39) K415R possibly damaging Het
Dtd2 C A 12: 52,046,582 (GRCm39) D86Y probably damaging Het
Efcab9 A G 11: 32,473,608 (GRCm39) F127S probably damaging Het
Ermp1 T C 19: 29,606,189 (GRCm39) H375R probably benign Het
Frem2 A T 3: 53,560,622 (GRCm39) M1295K probably damaging Het
Gbp7 T G 3: 142,248,712 (GRCm39) I325R probably benign Het
Gpr179 T C 11: 97,227,677 (GRCm39) K1493E probably benign Het
Gucy2g T A 19: 55,226,214 (GRCm39) E234V probably null Het
Itpr1 T A 6: 108,470,718 (GRCm39) C2215* probably null Het
Ltn1 G A 16: 87,177,728 (GRCm39) R1634* probably null Het
Lynx1 A T 15: 74,623,258 (GRCm39) M58K possibly damaging Het
Macc1 T C 12: 119,410,684 (GRCm39) V484A probably benign Het
Map3k9 C T 12: 81,819,535 (GRCm39) V240M possibly damaging Het
Mars1 A G 10: 127,135,267 (GRCm39) M608T possibly damaging Het
Mc2r T C 18: 68,540,826 (GRCm39) M156V probably benign Het
Mchr1 G T 15: 81,121,417 (GRCm39) V56L probably benign Het
Mlxip C T 5: 123,533,173 (GRCm39) P61S probably benign Het
Mtarc1 A G 1: 184,539,383 (GRCm39) F96S probably benign Het
Muc4 A G 16: 32,575,542 (GRCm39) T1557A unknown Het
Myt1 T C 2: 181,467,731 (GRCm39) V1135A probably damaging Het
Ndufaf6 A T 4: 11,073,215 (GRCm39) S76T probably benign Het
Ntrk2 A G 13: 59,208,149 (GRCm39) Y665C probably damaging Het
Oaz3 T G 3: 94,340,901 (GRCm39) R215S unknown Het
Or10x1 T C 1: 174,196,656 (GRCm39) Y58H probably damaging Het
Or5m10b T C 2: 85,699,226 (GRCm39) C97R probably damaging Het
Or5m8 A T 2: 85,822,385 (GRCm39) N75Y probably damaging Het
Or5w1b C T 2: 87,475,534 (GRCm39) W311* probably null Het
Perm1 G T 4: 156,303,192 (GRCm39) V579L probably benign Het
Phyhipl A G 10: 70,404,788 (GRCm39) V140A probably benign Het
Pip5k1c T A 10: 81,144,842 (GRCm39) S228T probably damaging Het
Plekhn1 T G 4: 156,309,268 (GRCm39) T213P probably damaging Het
Pomt2 A T 12: 87,163,303 (GRCm39) probably null Het
Ptcd1 A G 5: 145,088,145 (GRCm39) V622A probably benign Het
Ptn T A 6: 36,718,284 (GRCm39) H127L probably benign Het
Ptprk A T 10: 28,462,015 (GRCm39) M1193L probably benign Het
Ptpru G A 4: 131,527,023 (GRCm39) P650S probably benign Het
Pum2 T A 12: 8,783,390 (GRCm39) L613Q probably damaging Het
Rapgef6 A G 11: 54,582,446 (GRCm39) T1458A probably damaging Het
Sap130 C T 18: 31,810,462 (GRCm39) A470V probably benign Het
Sertad2 C A 11: 20,598,116 (GRCm39) P104Q probably benign Het
Sfrp4 A T 13: 19,814,414 (GRCm39) M324L unknown Het
Sh3bp4 A G 1: 89,073,156 (GRCm39) N668S probably benign Het
Snx30 C A 4: 59,894,653 (GRCm39) D410E probably benign Het
Spata31 C A 13: 65,069,319 (GRCm39) S489* probably null Het
Taok3 T A 5: 117,366,050 (GRCm39) M367K probably benign Het
Tfap2a T C 13: 40,874,850 (GRCm39) N254D possibly damaging Het
Tgtp1 T G 11: 48,877,867 (GRCm39) L279F possibly damaging Het
Tmpo A G 10: 90,999,172 (GRCm39) F205S probably damaging Het
Tmprss5 A T 9: 49,023,517 (GRCm39) I218L probably benign Het
Tti2 A G 8: 31,641,224 (GRCm39) E116G probably benign Het
Vmn2r59 A T 7: 41,695,205 (GRCm39) N402K possibly 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
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
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'- TCTGCGGTCATCAATAAACAAGG -3'
(R):5'- AAAGGACTGCTGATACCTGTTTC -3'

Sequencing Primer
(F):5'- GTGTTTTTCCACCTGTCATAATTGG -3'
(R):5'- TTAGTTTCTACACCTAAAACACAGC -3'
Posted On 2019-06-07