Annotations: 2D8C

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2d8ca1	All alpha proteins	SAM domain-like	SAM/Pointed domain	SAM (sterile alpha motif) domain	Sphingomyelin synthase 1, SMS1	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d2d8ca3	Artifacts	Tags	Tags	Tags	C-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d2d8ca2	Artifacts	Tags	Tags	Tags	N-terminal Tags	house mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	SAM (sterile alpha motif) domain	8027246	4001022	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SAM/Pointed domain	8039625	3000479	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00536	e2d8cA1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: PF00536	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.150.50	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Phosphatidylcholine:ceramide cholinephosphotransferase 1	kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups ceramide cholinephosphotransferase activity phosphotransferase activity, for other substituted phosphate groups sphingomyelin synthase activity ceramide phosphoethanolamine synthase activity	cellular response to stimulus response to organic substance response to stimulus response to cytokine cellular response to chemical stimulus cellular response to tumor necrosis factor response to chemical cellular response to cytokine stimulus cellular process cellular response to organic substance response to tumor necrosis factor regulation of cellular process cellular biosynthetic process positive regulation of biological process cellular response to stimulus response to organic substance response to stimulus response to cytokine cellular response to chemical stimulus cellular response to tumor necrosis factor response to chemical cellular response to cytokine stimulus cellular process cellular response to organic substance response to tumor necrosis factor regulation of cellular process cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process ceramide metabolic process membrane lipid metabolic process organonitrogen compound metabolic process sphingolipid biosynthetic process organonitrogen compound biosynthetic process lipid biosynthetic process amide biosynthetic process sphingolipid metabolic process primary metabolic process ceramide biosynthetic process cellular lipid metabolic process amide metabolic process membrane lipid biosynthetic process lipid metabolic process phosphorylation phosphate-containing compound metabolic process phosphorus metabolic process apoptotic process cell death programmed cell death biological process involved in interspecies interaction between organisms response to lipid response to other organism cellular response to lipopolysaccharide response to oxygen-containing compound response to external stimulus cellular response to molecule of bacterial origin response to lipopolysaccharide cellular response to oxygen-containing compound response to biotic stimulus cellular response to biotic stimulus response to bacterium cellular response to lipid response to external biotic stimulus response to molecule of bacterial origin sphingomyelin biosynthetic process phospholipid metabolic process sphingomyelin metabolic process phospholipid biosynthetic process organophosphate metabolic process organophosphate biosynthetic process	membrane-bounded organelle Golgi membrane intracellular anatomical structure Golgi apparatus membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle organelle cytoplasm organelle membrane Golgi trans cisterna membrane-bounded organelle Golgi membrane intracellular anatomical structure Golgi apparatus membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle organelle cytoplasm organelle membrane Golgi trans cisterna Golgi apparatus subcompartment organelle subcompartment Golgi cisterna Golgi stack cell periphery plasma membrane nucleus endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR013761	Sterile alpha motif/pointed domain superfamily	Homologous Superfamily
A	IPR045221	Sphingomyelin synthase-like	Family
A	IPR025749	Sphingomyelin synthase-like domain	Domain
A	IPR001660	Sterile alpha motif 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 R01GM133198.