Incidental Mutation 'R0614:Asah2'
ID 54982
Institutional Source Beutler Lab
Gene Symbol Asah2
Ensembl Gene ENSMUSG00000024887
Gene Name N-acylsphingosine amidohydrolase 2
Synonyms neutral/alkaline ceramidase
MMRRC Submission 038803-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.448) question?
Stock # R0614 (G1)
Quality Score 223
Status Validated
Chromosome 19
Chromosomal Location 31962046-32080540 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 31994128 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Leucine at position 406 (V406L)
Ref Sequence ENSEMBL: ENSMUSP00000093830 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000096119]
AlphaFold Q9JHE3
Predicted Effect probably damaging
Transcript: ENSMUST00000096119
AA Change: V406L

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000093830
Gene: ENSMUSG00000024887
AA Change: V406L

DomainStartEndE-ValueType
transmembrane domain 12 34 N/A INTRINSIC
low complexity region 56 67 N/A INTRINSIC
Pfam:Ceramidase_alk 78 584 1.4e-222 PFAM
Pfam:Ceramidse_alk_C 586 753 8e-50 PFAM
Meta Mutation Damage Score 0.7352 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.9%
  • 10x: 97.4%
  • 20x: 94.9%
Validation Efficiency 97% (61/63)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Ceramidases (EC 3.5.1.23), such as ASAH2, catalyze hydrolysis of the N-acyl linkage of ceramide, a second messenger in a variety of cellular events, to produce sphingosine. Sphingosine exerts both mitogenic and apoptosis-inducing activities, and its phosphorylated form functions as an intra- and intercellular second messenger (see MIM 603730) (Mitsutake et al., 2001 [PubMed 11328816]).[supplied by OMIM, Mar 2008]
PHENOTYPE: Mice homozygous for a targeted null mutation are defective in the intestinal digestion of dietary ceramide but exhibit a normal life span with no obvious abnormalities or significant alterations in total ceramide levels in major organ tissues. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2210408I21Rik C T 13: 77,340,782 (GRCm39) T137I probably benign Het
3110082I17Rik C T 5: 139,349,786 (GRCm39) V88I possibly damaging Het
4930453N24Rik T A 16: 64,586,977 (GRCm39) Q249L probably damaging Het
Ap1g2 C T 14: 55,337,230 (GRCm39) V702I probably benign Het
Armcx5 G A X: 134,647,564 (GRCm39) E547K probably damaging Het
Atp8b1 T C 18: 64,666,658 (GRCm39) probably benign Het
Axl C A 7: 25,473,588 (GRCm39) R346L probably benign Het
Baz1a G A 12: 54,988,304 (GRCm39) R282* probably null Het
Card14 A G 11: 119,213,653 (GRCm39) N200S probably benign Het
Cdt1 A G 8: 123,294,876 (GRCm39) T28A probably benign Het
Cep250 C T 2: 155,812,017 (GRCm39) Q438* probably null Het
Dapk1 C A 13: 60,865,946 (GRCm39) P181Q probably damaging Het
Dnah17 C T 11: 117,961,394 (GRCm39) probably benign Het
Dph7 T C 2: 24,858,968 (GRCm39) probably null Het
Edc4 A T 8: 106,616,028 (GRCm39) D801V possibly damaging Het
Eif4g2 A G 7: 110,676,430 (GRCm39) probably null Het
Eml2 T C 7: 18,936,516 (GRCm39) L531P probably damaging Het
Ephb2 T C 4: 136,400,676 (GRCm39) Y533C probably benign Het
Fcho1 C T 8: 72,165,204 (GRCm39) A418T probably benign Het
Fsip2 A G 2: 82,807,877 (GRCm39) K1399E probably benign Het
Hcls1 A G 16: 36,782,987 (GRCm39) D446G probably damaging Het
Hif1a T A 12: 73,992,405 (GRCm39) N787K probably damaging Het
Ints14 T C 9: 64,871,715 (GRCm39) S18P probably benign Het
Kalrn A T 16: 33,814,040 (GRCm39) probably benign Het
Llgl2 T A 11: 115,741,093 (GRCm39) D502E probably damaging Het
Lrwd1 A G 5: 136,152,354 (GRCm39) V570A probably damaging Het
Mga C G 2: 119,794,947 (GRCm39) P2877R probably damaging Het
Mvd T C 8: 123,163,292 (GRCm39) I313V probably benign Het
Myo15b C A 11: 115,773,739 (GRCm39) P270T probably damaging Het
Naip1 C A 13: 100,580,708 (GRCm39) V180L probably benign Het
Ofd1 T C X: 165,218,536 (GRCm39) probably benign Het
Or1j19 T A 2: 36,676,705 (GRCm39) L56H probably damaging Het
Or4c125 T A 2: 89,170,329 (GRCm39) I106F probably damaging Het
Or4d11 A T 19: 12,013,929 (GRCm39) M59K possibly damaging Het
Otogl G A 10: 107,634,216 (GRCm39) P1420S probably benign Het
Pakap C A 4: 57,856,720 (GRCm39) A926E probably benign Het
Pcnt C T 10: 76,256,150 (GRCm39) V697M probably damaging Het
Plekha7 A T 7: 115,753,880 (GRCm39) Y702* probably null Het
Plxnb3 A G X: 72,807,964 (GRCm39) probably benign Het
Ptgis A G 2: 167,048,802 (GRCm39) F405L probably damaging Het
Ptprk C T 10: 27,951,132 (GRCm39) P19L probably damaging Het
Ptprt A G 2: 161,654,040 (GRCm39) V530A possibly damaging Het
Rasgrp4 A T 7: 28,845,276 (GRCm39) Y299F probably damaging Het
Slc39a11 T A 11: 113,414,452 (GRCm39) probably null Het
Slc6a15 T A 10: 103,240,213 (GRCm39) L312* probably null Het
Slf1 T A 13: 77,197,233 (GRCm39) M794L probably benign Het
Sntg2 G A 12: 30,307,977 (GRCm39) T236I possibly damaging Het
Stau1 T C 2: 166,792,726 (GRCm39) Y413C probably damaging Het
Syne2 T G 12: 75,959,127 (GRCm39) probably null Het
Tas2r104 A T 6: 131,662,165 (GRCm39) N181K probably damaging Het
Tmem81 G A 1: 132,435,469 (GRCm39) V92I probably benign Het
Trap1 A G 16: 3,878,615 (GRCm39) probably benign Het
Trip12 T C 1: 84,735,482 (GRCm39) E905G probably damaging Het
Usp2 C T 9: 44,003,789 (GRCm39) R494* probably null Het
Vps13a G T 19: 16,630,058 (GRCm39) R2692S probably damaging Het
Zfhx3 T C 8: 109,675,171 (GRCm39) S2074P probably benign Het
Zfhx3 C G 8: 109,675,599 (GRCm39) Y2216* probably null Het
Zfp423 A G 8: 88,508,742 (GRCm39) F409S probably damaging Het
Zfp472 G A 17: 33,196,908 (GRCm39) E328K possibly damaging Het
Zfp619 T A 7: 39,187,099 (GRCm39) M1043K possibly damaging Het
Zfp940 T C 7: 29,545,671 (GRCm39) I79V probably benign Het
Other mutations in Asah2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01108:Asah2 APN 19 31,986,081 (GRCm39) splice site probably benign
IGL02001:Asah2 APN 19 32,020,939 (GRCm39) nonsense probably null
IGL02228:Asah2 APN 19 31,994,114 (GRCm39) missense probably benign 0.09
IGL02377:Asah2 APN 19 31,986,814 (GRCm39) missense probably benign 0.30
IGL03070:Asah2 APN 19 31,983,744 (GRCm39) missense probably damaging 1.00
IGL03233:Asah2 APN 19 32,032,031 (GRCm39) missense probably benign 0.18
IGL03244:Asah2 APN 19 31,964,342 (GRCm39) missense probably damaging 1.00
R0008:Asah2 UTSW 19 31,981,131 (GRCm39) nonsense probably null
R0103:Asah2 UTSW 19 31,996,377 (GRCm39) missense probably benign 0.01
R0103:Asah2 UTSW 19 31,996,377 (GRCm39) missense probably benign 0.01
R0302:Asah2 UTSW 19 32,030,356 (GRCm39) missense probably benign 0.01
R0497:Asah2 UTSW 19 32,032,031 (GRCm39) missense probably benign 0.18
R0639:Asah2 UTSW 19 31,986,039 (GRCm39) missense probably damaging 0.99
R0715:Asah2 UTSW 19 31,994,176 (GRCm39) missense probably damaging 0.97
R1332:Asah2 UTSW 19 32,022,341 (GRCm39) missense probably damaging 1.00
R1336:Asah2 UTSW 19 32,022,341 (GRCm39) missense probably damaging 1.00
R2045:Asah2 UTSW 19 32,030,356 (GRCm39) missense probably benign 0.01
R2062:Asah2 UTSW 19 32,002,274 (GRCm39) missense probably damaging 0.99
R4083:Asah2 UTSW 19 31,964,184 (GRCm39) missense probably benign 0.01
R4698:Asah2 UTSW 19 32,031,871 (GRCm39) splice site probably null
R4731:Asah2 UTSW 19 31,972,758 (GRCm39) missense probably benign 0.41
R4732:Asah2 UTSW 19 31,972,758 (GRCm39) missense probably benign 0.41
R4733:Asah2 UTSW 19 31,972,758 (GRCm39) missense probably benign 0.41
R4773:Asah2 UTSW 19 32,030,258 (GRCm39) missense probably damaging 1.00
R4930:Asah2 UTSW 19 32,030,306 (GRCm39) missense probably benign 0.35
R5081:Asah2 UTSW 19 31,991,708 (GRCm39) missense probably benign 0.07
R5741:Asah2 UTSW 19 31,986,015 (GRCm39) missense probably damaging 1.00
R5873:Asah2 UTSW 19 31,981,082 (GRCm39) critical splice donor site probably null
R5905:Asah2 UTSW 19 31,993,914 (GRCm39) missense probably damaging 1.00
R6027:Asah2 UTSW 19 32,022,351 (GRCm39) missense probably benign 0.01
R6028:Asah2 UTSW 19 31,993,914 (GRCm39) missense probably damaging 1.00
R6187:Asah2 UTSW 19 32,002,267 (GRCm39) missense probably damaging 0.99
R6667:Asah2 UTSW 19 31,972,758 (GRCm39) missense probably benign 0.41
R6968:Asah2 UTSW 19 31,989,913 (GRCm39) missense probably benign
R7010:Asah2 UTSW 19 32,031,954 (GRCm39) missense probably benign 0.00
R7404:Asah2 UTSW 19 32,035,254 (GRCm39) missense probably benign 0.13
R7575:Asah2 UTSW 19 31,994,103 (GRCm39) missense probably benign 0.11
R7797:Asah2 UTSW 19 31,999,761 (GRCm39) missense probably damaging 1.00
R8492:Asah2 UTSW 19 31,983,659 (GRCm39) missense probably benign 0.25
R8682:Asah2 UTSW 19 32,030,277 (GRCm39) missense probably damaging 1.00
R8766:Asah2 UTSW 19 32,035,280 (GRCm39) missense possibly damaging 0.46
R8873:Asah2 UTSW 19 32,022,288 (GRCm39) critical splice donor site probably null
R8974:Asah2 UTSW 19 32,030,305 (GRCm39) missense probably benign
R9088:Asah2 UTSW 19 32,030,360 (GRCm39) missense probably damaging 1.00
R9405:Asah2 UTSW 19 31,986,045 (GRCm39) missense possibly damaging 0.82
Predicted Primers PCR Primer
(F):5'- AGGGCAGGTTTACACGTCTTCAC -3'
(R):5'- AGAGGTCAACATCCCTGGAGGTTAC -3'

Sequencing Primer
(F):5'- GTCTTCACCTGAAGGAAAGATCATC -3'
(R):5'- CCTGGAGGTTACAAGATCTAGGG -3'
Posted On 2013-07-11