GlyCosmos Portal

GlyTouCan

Glycan Structure Repository

GlyComb

Glycoconjugate Repository

GlycoPOST

Glycomics MS raw data Repository

UniCarb-DR

Glycomics MS Repository for glycan annotations from GlycoWorkbench

LM-GlycoRepo

Repository for lectin-assisted multimodality data

All Resources

Genes / Proteins / Lipids Glycans / Glycoconjugates Glycomes Pathways / Interactions / Diseases / Organisms

Other Information

Release Statistics Download

Tools

Glycan Converters

LM-GlycomeAtlas

Search Tools

Cross Search Glycan Search Publication Search Programmatic Access

Guidelines

MIRAGE

sphingomyelin phosphodiesterase 1

Summary

Gene Symbol

SMPD1

Organism

Physeter catodon (sperm whale)

External Links

NCBI Gene: 102974263
KEGG Gene ID: pcad:102974263
PubChem: 102974263

Annotation

Keyword

Disulfide bond
Glycoprotein
Glycosidase
Lipid droplet
Lipid metabolism
Lysosome
Metal-binding
Phosphoprotein
Reference proteome
Secreted
Signal
Zinc

Proteins

Displaying **all 2** entries
UniProt	Protein Name
A0A2Y9EJU9	Acid sphingomyelinase
A0A2Y9EHR1

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 2** entries
GO Term	Evidence Code	PMID
sphingomyelin catabolic process	IEA	22301074 30032202
ceramide biosynthetic process	IEA	30032202

GO Hierarchy

biological process

metabolic process [inference]

nitrogen compound metabolic process [inference]

cellular nitrogen compound metabolic process [inference]

cellular nitrogen compound biosynthetic process [inference]

amide biosynthetic process [inference]

ceramide biosynthetic process

amide metabolic process [inference]

ceramide metabolic process [inference]

ceramide biosynthetic process

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

amide biosynthetic process [inference]

ceramide biosynthetic process

organonitrogen compound metabolic process [inference]

sphingolipid metabolic process [inference]

ceramide metabolic process [inference]

ceramide biosynthetic process

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organonitrogen compound catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organonitrogen compound biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

catabolic process [inference]

cellular catabolic process [inference]

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organic substance catabolic process [inference]

lipid catabolic process [inference]

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organophosphate catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

organonitrogen compound catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

biosynthetic process [inference]

cellular biosynthetic process [inference]

cellular nitrogen compound biosynthetic process [inference]

amide biosynthetic process [inference]

ceramide biosynthetic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

organic substance biosynthetic process [inference]

lipid biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

organonitrogen compound biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

cellular metabolic process [inference]

phosphorus metabolic process [inference]

phosphate-containing compound metabolic process [inference]

phospholipid metabolic process [inference]

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

phospholipid catabolic process [inference]

sphingomyelin catabolic process

organophosphate metabolic process [inference]

phospholipid metabolic process [inference]

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

phospholipid catabolic process [inference]

sphingomyelin catabolic process

organophosphate catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

cellular nitrogen compound metabolic process [inference]

cellular nitrogen compound biosynthetic process [inference]

amide biosynthetic process [inference]

ceramide biosynthetic process

cellular catabolic process [inference]

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

cellular biosynthetic process [inference]

cellular nitrogen compound biosynthetic process [inference]

amide biosynthetic process [inference]

ceramide biosynthetic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

cellular lipid metabolic process [inference]

membrane lipid metabolic process [inference]

sphingolipid metabolic process [inference]

ceramide metabolic process [inference]

ceramide biosynthetic process

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

phospholipid metabolic process [inference]

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

phospholipid catabolic process [inference]

sphingomyelin catabolic process

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

primary metabolic process [inference]

lipid metabolic process [inference]

lipid biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

lipid catabolic process [inference]

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

cellular lipid metabolic process [inference]

membrane lipid metabolic process [inference]

sphingolipid metabolic process [inference]

ceramide metabolic process [inference]

ceramide biosynthetic process

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

phospholipid metabolic process [inference]

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

phospholipid catabolic process [inference]

sphingomyelin catabolic process

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organic substance metabolic process [inference]

lipid metabolic process [inference]

lipid biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

lipid catabolic process [inference]

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

cellular lipid metabolic process [inference]

membrane lipid metabolic process [inference]

sphingolipid metabolic process [inference]

ceramide metabolic process [inference]

ceramide biosynthetic process

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

phospholipid metabolic process [inference]

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

phospholipid catabolic process [inference]

sphingomyelin catabolic process

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organophosphate metabolic process [inference]

phospholipid metabolic process [inference]

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

phospholipid catabolic process [inference]

sphingomyelin catabolic process

organophosphate catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

organonitrogen compound metabolic process [inference]

sphingolipid metabolic process [inference]

ceramide metabolic process [inference]

ceramide biosynthetic process

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organonitrogen compound catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organonitrogen compound biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

organic substance catabolic process [inference]

lipid catabolic process [inference]

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organophosphate catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

organonitrogen compound catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

organic substance biosynthetic process [inference]

lipid biosynthetic process [inference]

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

organonitrogen compound biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

cellular process [inference]

cellular metabolic process [inference]

phosphorus metabolic process [inference]

phosphate-containing compound metabolic process [inference]

phospholipid metabolic process [inference]

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

phospholipid catabolic process [inference]

sphingomyelin catabolic process

organophosphate metabolic process [inference]

phospholipid metabolic process [inference]

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

phospholipid catabolic process [inference]

sphingomyelin catabolic process

organophosphate catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

cellular nitrogen compound metabolic process [inference]

cellular nitrogen compound biosynthetic process [inference]

amide biosynthetic process [inference]

ceramide biosynthetic process

cellular catabolic process [inference]

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

cellular biosynthetic process [inference]

cellular nitrogen compound biosynthetic process [inference]

amide biosynthetic process [inference]

ceramide biosynthetic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

cellular lipid metabolic process [inference]

membrane lipid metabolic process [inference]

sphingolipid metabolic process [inference]

ceramide metabolic process [inference]

ceramide biosynthetic process

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid biosynthetic process [inference]

sphingolipid biosynthetic process [inference]

ceramide biosynthetic process

phospholipid metabolic process [inference]

sphingomyelin metabolic process [inference]

sphingomyelin catabolic process

phospholipid catabolic process [inference]

sphingomyelin catabolic process

cellular lipid catabolic process [inference]

phospholipid catabolic process [inference]

sphingomyelin catabolic process

membrane lipid catabolic process [inference]

sphingolipid catabolic process [inference]

sphingomyelin catabolic process

Displaying **all 2** entries
GO Term	Evidence Code	PMID
extracellular space	IEA	30032202
lysosome	IEA	30032202

GO Hierarchy

cellular component

cellular anatomical entity [inference]

extracellular space

organelle [inference]

membrane-bounded organelle [inference]

intracellular membrane-bounded organelle [inference]

vacuole [inference]

lytic vacuole [inference]

lysosome

intracellular organelle [inference]

intracellular membrane-bounded organelle [inference]

vacuole [inference]

lytic vacuole [inference]

lysosome

Displaying 1 entry
GO Term	Evidence Code	PMID
acid sphingomyelin phosphodiesterase activity	IEA	30032202

GO Hierarchy

molecular function

catalytic activity [inference]

hydrolase activity [inference]

hydrolase activity, acting on ester bonds [inference]

lipase activity [inference]

phospholipase activity [inference]

sphingomyelin phosphodiesterase activity [inference]

acid sphingomyelin phosphodiesterase activity

phosphoric ester hydrolase activity [inference]

phosphoric diester hydrolase activity [inference]

sphingomyelin phosphodiesterase activity [inference]

acid sphingomyelin phosphodiesterase activity

Gene Ontology information from NCBI Gene and UniProt.

OrthoDB (Group)

Group level

Eukaryota

Group Name

sphingomyelin phosphodiesterase A

Functional Category

G: Carbohydrate transport and metabolism
Q: Secondary metabolites biosynthesis, transport and catabolism
T: Signal transduction mechanisms

Displaying **all 5** entries
Gene Ontology
acid sphingomyelin phosphodiesterase activity
ceramide biosynthetic process
hydrolase activity
metal ion binding
sphingomyelin catabolic process

Displaying **all 4** entries
InterPro
Acid sphingomyelinase/endopolyphosphatase, metallophosphatase domain
Calcineurin-like phosphoesterase domain, ApaH type
Metallo-dependent phosphatase-like
Sphingomyelin phosphodiesterase

KEGG BRITE Database

Orthology

K12350

Name

sphingomyelin phosphodiesterase [EC:3.1.4.12]

References

Rhea

H₂O + a sphingomyelin

H⁺ + phosphocholine + an N-acylsphing-4-enine

Enzyme

3.1.4.12

PMID

About Release Notes Help Feedback

International Collaboration

GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01

Logo License Policies Site Map

Contact: support@glycosmos.org

GlyCosmos Portal v4.4.0

Last updated: December 8, 2025