5HQN | pdb_00005hqn

Catalytic domain of murine Acid Sphingomyelinase (ASMase, ASM, SMPD1)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e5hqnB1	A: MocoBD/DmpA-related	X: MocoBD/DmpA-related	H: Retrovirus capsid protein-C	T: WD40	F:	ECOD (20:10:01)
A		e5hqnA1	A: MocoBD/DmpA-related	X: MocoBD/DmpA-related	H: Retrovirus capsid protein-C	T: WD40	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.60.21.10	Alpha Beta	4-Layer Sandwich	Purple Acid Phosphatase	chain A, domain 2	CATH (utative)
A	3.60.21.10	Alpha Beta	4-Layer Sandwich	Purple Acid Phosphatase	chain A, domain 2	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00149	Calcineurin-like phosphoesterase (Metallophos)	Calcineurin-like phosphoesterase	This family includes a diverse range of phosphoesterases [1], including protein phosphoserine phosphatases, nucleotidases, sphingomyelin phosphodiesterases and 2'-3' cAMP phosphodiesterases as well as nucleases such as bacterial SbcD Swiss:P13457 or ...	This family includes a diverse range of phosphoesterases [1], including protein phosphoserine phosphatases, nucleotidases, sphingomyelin phosphodiesterases and 2'-3' cAMP phosphodiesterases as well as nucleases such as bacterial SbcD Swiss:P13457 or yeast MRE11 Swiss:P32829. The most conserved regions in this superfamily centre around the metal chelating residues.	Domain
A, B	PF19272	Acid sphingomyelin phosphodiesterase C-terminal region (ASMase_C)	Acid sphingomyelin phosphodiesterase C-terminal region	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Sphingomyelin phosphodiesterase	hydrolase activity, acting on glycosyl bonds hydrolase activity catalytic activity sphingomyelin phosphodiesterase activity phosphoric ester hydrolase activity acid sphingomyelin phosphodiesterase activity phospholipase activity hydrolase activity, acting on ester bonds phosphoric diester hydrolase activity sphingophospholipase activity lipase activity phosphatidylcholine phospholipase C activity glycerophospholipase activity C-type glycerophospholipase activity hydrolase activity, acting on glycosyl bonds hydrolase activity catalytic activity sphingomyelin phosphodiesterase activity phosphoric ester hydrolase activity acid sphingomyelin phosphodiesterase activity phospholipase activity hydrolase activity, acting on ester bonds phosphoric diester hydrolase activity sphingophospholipase activity lipase activity phosphatidylcholine phospholipase C activity glycerophospholipase activity C-type glycerophospholipase activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	response to stimulus response to chemical response to xenobiotic stimulus ceramide metabolic process sphingolipid biosynthetic process biosynthetic process ceramide biosynthetic process lipid biosynthetic process sphingolipid metabolic process primary metabolic process metabolic process cellular process lipid metabolic process biological process involved in interspecies interaction between organisms response to stimulus response to chemical response to xenobiotic stimulus ceramide metabolic process sphingolipid biosynthetic process biosynthetic process ceramide biosynthetic process lipid biosynthetic process sphingolipid metabolic process primary metabolic process metabolic process cellular process lipid metabolic process biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction regulation of biological process positive regulation of programmed cell death regulation of cellular process regulation of apoptotic process biological regulation positive regulation of biological process regulation of programmed cell death cell death positive regulation of apoptotic process apoptotic process programmed cell death positive regulation of cellular process response to peptide response to cytokine response to interleukin-1 cellular response to stimulus regulation of signaling negative regulation of signaling signaling negative regulation of response to stimulus termination of signal transduction negative regulation of biological process regulation of signal transduction negative regulation of signal transduction negative regulation of cell communication cell communication regulation of response to stimulus negative regulation of cellular process regulation of cell communication signal transduction secondary alcohol metabolic process sterol metabolic process steroid metabolic process cholesterol metabolic process alcohol metabolic process small molecule metabolic process cellular response to metal ion cellular response to chemical stimulus response to metal ion cellular response to calcium ion response to calcium ion immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus response to type I interferon response to ionizing radiation response to radiation response to abiotic stimulus sphingolipid catabolic process lipid catabolic process catabolic process sphingomyelin catabolic process phospholipid catabolic process organophosphate catabolic process phospholipid metabolic process organophosphate metabolic process phosphate-containing compound metabolic process phosphorus metabolic process sphingomyelin metabolic process negative regulation of intracellular signal transduction intracellular signal transduction regulation of intracellular signal transduction intracellular signaling cassette regulation of MAPK cascade MAPK cascade negative regulation of MAPK cascade response to light stimulus cellular response to radiation response to UV cellular response to environmental stimulus cellular response to light stimulus cellular response to abiotic stimulus cellular response to UV localization transport macromolecule localization lipid localization cholesterol transport lipid transport sterol transport organic hydroxy compound transport establishment of localization cholesterol efflux wound healing response to wounding response to virus positive regulation of viral life cycle positive regulation of viral process modulation by symbiont of entry into host regulation of viral entry into host cell regulation of viral life cycle regulation of viral process positive regulation of viral entry into host cell positive regulation by symbiont of entry into host regulation of biological process involved in symbiotic interaction membrane organization plasma membrane repair cellular component organization plasma membrane organization cellular component organization or biogenesis endomembrane system organization pyroptotic inflammatory response inflammatory response regulation of localization import into cell positive regulation of cellular component organization regulation of cellular component organization regulation of transport regulation of vesicle-mediated transport vesicle-mediated transport positive regulation of endocytosis positive regulation of transport endocytosis regulation of endocytosis response to oxygen-containing compound response to nitrogen compound response to cocaine response to alkaloid response to tumor necrosis factor	membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure lamellar body cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure lamellar body cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle endosome lytic vacuole vacuole endolysosome lysosome cell periphery plasma membrane membrane lipid droplet membraneless organelle intracellular membraneless organelle extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011160	Sphingomyelin phosphodiesterase	Family
A, B	IPR011001	Saposin-like	Homologous Superfamily
A, B	IPR004843	Calcineurin-like, phosphoesterase domain	Domain
A, B	IPR041805	Acid sphingomyelinase/endopolyphosphatase, metallophosphatase domain	Domain
A, B	IPR045473	Sphingomyelin phosphodiesterase, C-terminal domain	Domain
A, B	IPR029052	Metallo-dependent phosphatase-like	Homologous Superfamily
A, B	IPR008139	Saposin B type domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.