Gene
Entrez ID Entrez Gene ID - the GENE ID in NCBI Gene database.
6609
Gene name Gene Name - the full gene name approved by the HGNC.
Sphingomyelin phosphodiesterase 1
Gene symbol Gene Symbol - the official gene symbol approved by the HGNC.
SMPD1
Synonyms (NCBI Gene) Gene synonyms aliases
ASM, ASMASE, NPD
Chromosome Chromosome number
11
Chromosome location Chromosomal Location - indicates the cytogenetic location of the gene or region on the chromosome.
11p15.4
Summary Summary of gene provided in NCBI Entrez Gene.
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 di
SNPs SNP information provided by dbSNP.
SNP ID Visualize variation Clinical significance Consequence
rs1803161 G>A,C Pathogenic, uncertain-significance Intron variant, missense variant, 5 prime UTR variant, coding sequence variant, non coding transcript variant
rs120074117 G>A,C,T Likely-pathogenic, pathogenic Coding sequence variant, non coding transcript variant, missense variant
rs120074118 GCC>- Pathogenic Coding sequence variant, non coding transcript variant, inframe deletion, 3 prime UTR variant
rs120074119 G>A Likely-pathogenic Coding sequence variant, non coding transcript variant, missense variant, 3 prime UTR variant
rs120074120 T>A Pathogenic Coding sequence variant, intron variant, 5 prime UTR variant, stop gained, non coding transcript variant
miRNA miRNA information provided by mirtarbase database.
miRTarBase ID miRNA Experiments Reference
MIRT648380 hsa-miR-3184-3p HITS-CLIP 23824327
MIRT648379 hsa-miR-3691-3p HITS-CLIP 23824327
MIRT648378 hsa-miR-1289 HITS-CLIP 23824327
MIRT648377 hsa-miR-4294 HITS-CLIP 23824327
MIRT648376 hsa-miR-516b-5p HITS-CLIP 23824327
Transcription factors
Transcription factor Regulation Reference
SP1 Activation 10224156
Gene ontology (GO) Gene ontology information of associated ontologies with gene provided by GO database.
GO ID Ontology Definition Evidence Reference
GO:0001778 Process Plasma membrane repair IDA 20530211
GO:0001778 Process Plasma membrane repair IEA
GO:0004767 Function Sphingomyelin phosphodiesterase activity IDA 9660788, 21098024, 22573858, 33163980
GO:0004767 Function Sphingomyelin phosphodiesterase activity IEA
GO:0004767 Function Sphingomyelin phosphodiesterase activity TAS 1718266
Other IDs Other ids provides unique ids of gene in databases such as OMIM, HGNC, ENSEMBLE.
MIM HGNC e!Ensembl
607608 11120 ENSG00000166311
Protein
UniProt ID P17405
Protein name Sphingomyelin phosphodiesterase (EC 3.1.4.12) (EC 3.1.4.3) (Acid sphingomyelinase) (aSMase) [Cleaved into: Sphingomyelin phosphodiesterase, processed form]
Protein function Converts sphingomyelin to ceramide (PubMed:12563314, PubMed:1840600, PubMed:18815062, PubMed:25339683, PubMed:25920558, PubMed:27659707, PubMed:33163980). Exists as two enzymatic forms that arise from alternative trafficking of a single protein
PDB 5I81 , 5I85 , 5I8R , 5JG8
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00149 Metallophos 201 463 Calcineurin-like phosphoesterase Domain
Sequence
MPRYGASLRQSCPRSGREQGQDGTAGAPGLLWMGLVLALALALALALALSDSRVLWAPAE
AHPLSPQGHPARLHRIVPRLRDVFGWGNLTCPICKGLFTAINLGLKKEPNVARVGSVAIK
LCNLLKIAPPAVCQSIVHLFEDDMVEVWRRSVLSPSEACGLLLGSTCGHWDIFSSWNISL
PTVPKPPPKPPSPPAPGAPVSRILFLTDLHWDHDYLEGTDPDCADPLCCRRGSGLPPASR
PGAGYWGEYSKCDLPLRTLESLLSGLGPAGPFDMVYWTGDIPAHDVWHQTRQDQLRALTT
VTALVRKFLGPVPVYPAVGNHESTPVNSFPPPFIEGNHSSRWLYEAMAKAWEPWLPAEAL
RTLRIGGFYALSPYPGLRLISLNMNFCSRENFWLLINSTDPAGQLQWLVGELQAAEDRGD
KVHIIGHIPPGHCLKSWSWNYYRIVARYENTLAAQFFGHTHVD
EFEVFYDEETLSRPLAV
AFLAPSATTYIGLNPGYRVYQIDGNYSGSSHVVLDHETYILNLTQANIPGAIPHWQLLYR
ARETYGLPNTLPTAWHNLVYRMRGDMQLFQTFWFLYHKGHPPSEPCGTPCRLATLCAQLS
ARADSPALCRHLMPDGSLPEAQSLWPRPLFC
Sequence length 631
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG   Reactome
  Sphingolipid metabolism
Metabolic pathways
Sphingolipid signaling pathway
Lysosome
Necroptosis
  Glycosphingolipid metabolism
<
Associated diseases Disease associations categorized as Causal (pathogenic variants), Unknown (uncertain genetic evidence), or Text Mining (literature-based associations)
Causal Diseases caused by PATHOGENIC or LIKELY PATHOGENIC variants from ClinVar only
Disease merge term Disease name dbSNP ID References
Niemann-Pick Disease niemann-pick disease, type b, niemann-pick disease, type a rs727504166, rs1554933746, rs120074119, rs756031857, rs989639224, rs373940701, rs794727252, rs120074126, rs770962157, rs1018556947, rs1554934212, rs886043098, rs182812968, rs727504165, rs750157176
View all (97 more)
N/A
Ceroid Lipofuscinosis Neuronal Ceroid lipofuscinosis, neuronal, 6A rs587779408 N/A
Sphingomyelinase deficiency Acid sphingomyelinase deficiency, niemann-pick disease, type c1 rs756366019, rs755160837, rs387906289 N/A
Unknown Includes: (1) ClinVar NON-pathogenic variants (Uncertain, Benign, Conflicting, VUS), (2) GenCC associations, (3) GWAS associations, (4) CBGDA evidence-based associations. NOTE: Diseases with pathogenic evidence are excluded to avoid conflicts.
Disease merge term Disease name Evidence References Source
Gaucher Disease gaucher disease N/A N/A ClinVar
Insomnia Insomnia N/A N/A GWAS
Restless Legs Syndrome Restless legs syndrome N/A N/A GWAS
Associations from Text Mining Disease associations identified through Pubtator
Disease Name Relationship Type References
Adenomatous Polyposis Coli Associate 10496347
Alzheimer Disease Associate 25938590, 33925997
Amenorrhea Associate 23356216
Atherosclerosis Associate 19951413
Attention Deficit Disorder with Hyperactivity Associate 32661301
Autism Spectrum Disorder Associate 31595719
Beckwith Wiedemann Syndrome Associate 11173664, 11310411
beta Thalassemia Associate 36725747
Blood Coagulation Disorders Associate 34075401
Budd Chiari Syndrome Associate 36114502