Incidental Mutation 'R1445:Smpd1'
ID158788
Institutional Source Beutler Lab
Gene Symbol Smpd1
Ensembl Gene ENSMUSG00000037049
Gene Namesphingomyelin phosphodiesterase 1, acid lysosomal
SynonymsASM, aSMase, A-SMase, acid sphingomyelinase, Zn-SMase
MMRRC Submission 039500-MU
Accession Numbers
Is this an essential gene? Possibly non essential (E-score: 0.448) question?
Stock #R1445 (G1)
Quality Score225
Status Validated
Chromosome7
Chromosomal Location105554360-105558389 bp(+) (GRCm38)
Type of Mutationmissense
DNA Base Change (assembly) A to G at 105556674 bp
ZygosityHeterozygous
Amino Acid Change Aspartic acid to Glycine at position 416 (D416G)
Ref Sequence ENSEMBL: ENSMUSP00000042187 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000046983] [ENSMUST00000081165] [ENSMUST00000186814] [ENSMUST00000187057] [ENSMUST00000188001] [ENSMUST00000188368] [ENSMUST00000189072] [ENSMUST00000189265] [ENSMUST00000189378] [ENSMUST00000190369] [ENSMUST00000191011] [ENSMUST00000191601]
Predicted Effect possibly damaging
Transcript: ENSMUST00000046983
AA Change: D416G

PolyPhen 2 Score 0.820 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000042187
Gene: ENSMUSG00000037049
AA Change: D416G

DomainStartEndE-ValueType
transmembrane domain 30 52 N/A INTRINSIC
SapB 85 163 1.05e-7 SMART
low complexity region 177 196 N/A INTRINSIC
Pfam:Metallophos 197 459 4.4e-21 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000081165
SMART Domains Protein: ENSMUSP00000079932
Gene: ENSMUSG00000037032

DomainStartEndE-ValueType
low complexity region 146 184 N/A INTRINSIC
WW 254 285 6.23e-5 SMART
low complexity region 287 299 N/A INTRINSIC
PTB 365 512 4.16e-38 SMART
PTB 538 667 1.76e-36 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000186814
Predicted Effect probably benign
Transcript: ENSMUST00000187057
SMART Domains Protein: ENSMUSP00000139899
Gene: ENSMUSG00000037032

DomainStartEndE-ValueType
WW 31 62 3.7e-7 SMART
low complexity region 64 76 N/A INTRINSIC
PTB 142 287 3.8e-41 SMART
PTB 313 442 9.5e-39 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000188001
Predicted Effect probably benign
Transcript: ENSMUST00000188368
SMART Domains Protein: ENSMUSP00000139788
Gene: ENSMUSG00000037032

DomainStartEndE-ValueType
WW 31 62 3.7e-7 SMART
low complexity region 64 76 N/A INTRINSIC
PTB 142 289 1.8e-40 SMART
PTB 315 444 9.5e-39 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000189072
SMART Domains Protein: ENSMUSP00000139575
Gene: ENSMUSG00000037032

DomainStartEndE-ValueType
Pfam:WW 1 24 8.1e-5 PFAM
low complexity region 28 40 N/A INTRINSIC
PTB 106 253 1.8e-40 SMART
PTB 279 408 9.5e-39 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000189265
SMART Domains Protein: ENSMUSP00000140137
Gene: ENSMUSG00000037032

DomainStartEndE-ValueType
Pfam:PID 1 34 2.3e-6 PFAM
PTB 63 192 9.5e-39 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000189378
SMART Domains Protein: ENSMUSP00000140979
Gene: ENSMUSG00000037032

DomainStartEndE-ValueType
low complexity region 146 184 N/A INTRINSIC
WW 254 285 6.23e-5 SMART
low complexity region 287 299 N/A INTRINSIC
PTB 365 510 6.86e-39 SMART
PTB 536 665 1.76e-36 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000190369
SMART Domains Protein: ENSMUSP00000140486
Gene: ENSMUSG00000037032

DomainStartEndE-ValueType
Pfam:WW 1 24 8.1e-5 PFAM
low complexity region 28 40 N/A INTRINSIC
PTB 106 253 1.8e-40 SMART
PTB 279 408 9.5e-39 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000191011
SMART Domains Protein: ENSMUSP00000140973
Gene: ENSMUSG00000037032

DomainStartEndE-ValueType
low complexity region 146 184 N/A INTRINSIC
WW 254 285 6.23e-5 SMART
low complexity region 287 299 N/A INTRINSIC
PTB 365 510 6.86e-39 SMART
PTB 536 665 1.76e-36 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000191250
Predicted Effect probably benign
Transcript: ENSMUST00000191601
SMART Domains Protein: ENSMUSP00000140116
Gene: ENSMUSG00000037032

DomainStartEndE-ValueType
low complexity region 146 184 N/A INTRINSIC
WW 254 285 3.7e-7 SMART
low complexity region 287 299 N/A INTRINSIC
PTB 365 512 1.8e-40 SMART
PTB 538 667 9.5e-39 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000210934
Predicted Effect noncoding transcript
Transcript: ENSMUST00000211307
Predicted Effect probably benign
Transcript: ENSMUST00000211614
Meta Mutation Damage Score 0.254 question?
Coding Region Coverage
  • 1x: 98.8%
  • 3x: 97.7%
  • 10x: 93.9%
  • 20x: 84.0%
Validation Efficiency 96% (101/105)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a lysosomal acid sphingomyelinase that converts sphingomyelin to ceramide. The encoded protein also has phospholipase C activity. Defects in this gene are a cause of Niemann-Pick disease type A (NPA) and Niemann-Pick disease type B (NPB). Multiple transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2010]
PHENOTYPE: Nullizygous mutations cause tremors, ataxia, altered lipid homeostasis, increased foam cell number, Purkinje cell loss and premature death, and may lead to hepatosplenomegaly, hunched posture, reduced weight, abnormal apoptosis, sperm defects, dyspnea, and high susceptibility to bacterial infection. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 94 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700061I17Rik G T 3: 117,067,736 noncoding transcript Het
2300003K06Rik G T 11: 99,837,967 Q17K probably benign Het
Abca16 T C 7: 120,520,033 V999A probably benign Het
Actn3 C T 19: 4,865,455 probably benign Het
Agap2 T A 10: 127,091,112 probably benign Het
Ago3 C A 4: 126,371,787 R278L probably benign Het
Aldh1a2 T C 9: 71,285,210 V449A possibly damaging Het
Alkbh2 C T 5: 114,124,226 E148K probably damaging Het
Aplnr A G 2: 85,137,009 Y126C probably damaging Het
Apob T C 12: 8,016,084 I4351T possibly damaging Het
Ash1l T C 3: 89,007,352 L1763P probably benign Het
Aspn T C 13: 49,557,373 S165P possibly damaging Het
Atg13 A T 2: 91,679,990 V349E probably damaging Het
Atp1b2 T A 11: 69,602,483 probably null Het
B3glct A T 5: 149,754,139 D411V probably damaging Het
Bcar3 A T 3: 122,523,191 I255F probably damaging Het
Cacna1b G A 2: 24,718,136 probably benign Het
Cep164 T G 9: 45,778,900 E675A possibly damaging Het
Chd1l C T 3: 97,582,731 E503K probably benign Het
Chst8 C A 7: 34,748,168 M8I possibly damaging Het
Clec4n A G 6: 123,235,516 E67G probably benign Het
Cobll1 A T 2: 65,099,136 D653E probably damaging Het
Col9a1 T C 1: 24,237,498 probably null Het
Crip2 T C 12: 113,143,504 L30P probably damaging Het
Ctbp1 C T 5: 33,261,063 V22I probably benign Het
Cwc22 T C 2: 77,917,177 probably benign Het
Cyp4a32 C A 4: 115,602,950 Y119* probably null Het
Dido1 G T 2: 180,671,470 A463E possibly damaging Het
Dnah7a G A 1: 53,528,797 P1880L probably benign Het
Dock2 T A 11: 34,239,705 T1489S probably benign Het
Dsp A G 13: 38,191,931 T1231A probably damaging Het
Eif2ak1 G T 5: 143,873,899 probably benign Het
Epc1 A T 18: 6,452,360 M233K probably damaging Het
Fam189a2 G A 19: 24,021,634 T140M probably damaging Het
Gigyf2 A G 1: 87,443,638 probably benign Het
Greb1 T G 12: 16,707,851 H58P probably damaging Het
Gtpbp1 T C 15: 79,713,448 I348T possibly damaging Het
Hck A T 2: 153,128,272 N64Y probably benign Het
Herc2 T C 7: 56,168,996 S2812P probably damaging Het
Inpp4b T A 8: 81,952,834 probably null Het
Kcnq5 A C 1: 21,405,024 S473A probably benign Het
Lrat T G 3: 82,903,369 D115A probably damaging Het
Lyst A G 13: 13,640,054 I1131M possibly damaging Het
Man2a2 T C 7: 80,368,562 D160G probably benign Het
Marf1 C T 16: 14,115,824 D1567N probably benign Het
Mars T C 10: 127,297,988 D680G possibly damaging Het
Mat1a T C 14: 41,121,840 S339P probably damaging Het
Megf8 T C 7: 25,342,656 S1300P probably damaging Het
Mga T C 2: 119,902,698 L9S probably damaging Het
Mllt6 T C 11: 97,672,451 probably benign Het
Mrpl37 A G 4: 107,064,495 L179P probably benign Het
Mtnr1a G T 8: 45,087,745 V248L probably benign Het
Mylk T C 16: 34,815,465 S19P possibly damaging Het
Olfr738 A G 14: 50,414,401 T286A probably damaging Het
Parp8 A T 13: 117,025,350 probably null Het
Pcnx2 T C 8: 125,752,284 D2075G probably damaging Het
Pigo A T 4: 43,021,460 I494K probably benign Het
Pkd1l1 A T 11: 8,870,313 D1217E probably benign Het
Pkhd1l1 T C 15: 44,505,644 V895A probably benign Het
Plcb4 A T 2: 136,000,189 H1031L possibly damaging Het
Plxnb1 A G 9: 109,108,921 K1245R probably null Het
Pold1 C T 7: 44,542,757 probably benign Het
Ptprq T C 10: 107,662,562 I885V probably damaging Het
Ptprz1 A G 6: 23,050,474 D1398G probably damaging Het
Pygm G A 19: 6,389,887 A364T probably benign Het
Rbl1 T C 2: 157,193,098 N354S probably benign Het
Scgb2b19 C T 7: 33,279,612 probably null Het
Slc26a8 C T 17: 28,648,213 V545M possibly damaging Het
Slc27a1 T A 8: 71,584,113 probably null Het
Sorbs3 A G 14: 70,193,646 V284A probably benign Het
Stfa2l1 T C 16: 36,161,784 V75A probably damaging Het
Syndig1 A G 2: 149,930,921 D166G probably damaging Het
Tcp10a G A 17: 7,326,007 probably null Het
Themis2 T A 4: 132,782,901 I663F possibly damaging Het
Thrap3 T C 4: 126,176,336 Q586R probably damaging Het
Tinag C A 9: 77,045,516 C62F probably damaging Het
Tmem206 A G 1: 191,348,362 probably benign Het
Tmod1 T C 4: 46,090,884 Y146H probably damaging Het
Tmprss4 T A 9: 45,184,385 I54F possibly damaging Het
Tnks A C 8: 34,834,603 probably benign Het
Trim43a GATTTATTTATTTATTTATTTATTTATTTATTTATTTATT GATTTATTTATTTATTTATTTATTTATTTATTTATTTATTTATT 9: 88,582,989 probably benign Het
Trpc6 A G 9: 8,680,537 E844G probably benign Het
Ubtd2 C T 11: 32,516,125 R115W probably damaging Het
Ubxn6 T C 17: 56,069,042 D373G probably benign Het
Upf1 T A 8: 70,341,524 Q244L probably benign Het
Usp33 A G 3: 152,368,634 I372M probably damaging Het
Usp34 A G 11: 23,351,629 E351G probably damaging Het
Utrn A G 10: 12,678,574 probably benign Het
Vmn1r78 A G 7: 12,152,581 K40E possibly damaging Het
Vmn2r7 T A 3: 64,724,802 M80L probably benign Het
Vps13a G T 19: 16,701,238 Y1126* probably null Het
Wfdc11 T C 2: 164,664,446 N60S probably benign Het
Wnk2 C T 13: 49,071,110 D992N probably damaging Het
Zpbp2 C A 11: 98,553,844 T66K probably damaging Het
Other mutations in Smpd1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00493:Smpd1 APN 7 105556641 missense probably damaging 0.99
IGL01147:Smpd1 APN 7 105555736 missense probably damaging 1.00
IGL01526:Smpd1 APN 7 105554775 missense probably benign 0.01
IGL01541:Smpd1 APN 7 105555826 missense possibly damaging 0.48
IGL01619:Smpd1 APN 7 105555342 missense possibly damaging 0.89
IGL01924:Smpd1 APN 7 105555448 missense probably benign 0.01
IGL03004:Smpd1 APN 7 105556674 missense possibly damaging 0.82
R0782:Smpd1 UTSW 7 105555343 missense possibly damaging 0.80
R1489:Smpd1 UTSW 7 105556554 unclassified probably null
R3683:Smpd1 UTSW 7 105555402 missense probably damaging 1.00
R3685:Smpd1 UTSW 7 105555402 missense probably damaging 1.00
R3977:Smpd1 UTSW 7 105555901 missense probably benign 0.29
R4850:Smpd1 UTSW 7 105555985 missense probably benign
R5084:Smpd1 UTSW 7 105556978 missense probably damaging 1.00
R6316:Smpd1 UTSW 7 105555502 missense probably benign 0.19
R6429:Smpd1 UTSW 7 105556928 missense probably damaging 1.00
R6672:Smpd1 UTSW 7 105555273 missense probably benign
X0021:Smpd1 UTSW 7 105557645 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AGCTTGTGTCTTTGCCTACAGTAGC -3'
(R):5'- GCAGTCAGAGCATTGAGGAATCCAG -3'

Sequencing Primer
(F):5'- GTCAGAGGAGCCCTATAATTACTGC -3'
(R):5'- CAGCCTTGGGTAGAGTGAC -3'
Posted On2014-03-14