6G7O

Crystal structure of human alkaline ceramidase 3 (ACER3) at 2.7 Angstrom resolution

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (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	PF05875	e6g7oA2	A: alpha bundles	X: Family A G protein-coupled receptor-like (From Topology)	H: Family A G protein-coupled receptor-like (From Topology)	T: Family A G protein-coupled receptor-like	F: PF05875	ECOD (1.6)
A	PF07361	e6g7oA1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Cytochromes (From Topology)	T: Cytochromes	F: PF07361	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07361	Cytochrome b562 (Cytochrom_B562)	Cytochrome b562	-	Family
A	PF05875	Ceramidase (Ceramidase)	Ceramidase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Alkaline ceramidase 3,Soluble cytochrome b562	binding organic cyclic compound binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding calcium ion binding N-acylsphingosine amidohydrolase activity hydrolase activity, acting on glycosyl bonds binding organic cyclic compound binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding calcium ion binding N-acylsphingosine amidohydrolase activity hydrolase activity, acting on glycosyl bonds hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity phytoceramidase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds dihydroceramidase activity zinc ion binding ceramidase activity	regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process membrane lipid metabolic process organonitrogen compound metabolic process organic substance metabolic process cellular metabolic process cellular lipid metabolic process regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process membrane lipid metabolic process organonitrogen compound metabolic process organic substance metabolic process cellular metabolic process cellular lipid metabolic process sphingolipid metabolic process metabolic process primary metabolic process lipid metabolic process regulation of programmed cell death cell death programmed cell death sphingolipid biosynthetic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process lipid biosynthetic process alcohol metabolic process diol biosynthetic process diol metabolic process organic substance biosynthetic process polyol biosynthetic process small molecule metabolic process sphingoid biosynthetic process polyol metabolic process small molecule biosynthetic process sphingosine metabolic process sphingoid metabolic process sphingosine biosynthetic process biosynthetic process organic hydroxy compound biosynthetic process alcohol biosynthetic process membrane lipid biosynthetic process ceramide metabolic process sphingolipid catabolic process organonitrogen compound catabolic process catabolic process lipid catabolic process membrane lipid catabolic process cellular lipid catabolic process cellular catabolic process ceramide catabolic process amide metabolic process organic substance catabolic process response to stimulus defense response response to stress inflammatory response myelination developmental process multicellular organism development multicellular organismal process axon ensheathment ensheathment of neurons anatomical structure development nervous system development system development phytosphingosine biosynthetic process phytosphingosine metabolic process	periplasmic space cellular anatomical entity membrane membrane-bounded organelle Golgi membrane intracellular anatomical structure Golgi apparatus intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle organelle cytoplasm organelle membrane periplasmic space cellular anatomical entity membrane membrane-bounded organelle Golgi membrane intracellular anatomical structure Golgi apparatus intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle organelle cytoplasm organelle membrane organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR010980	Cytochrome c/b562	Homologous Superfamily
A	IPR009155	Cytochrome b562	Family
A	IPR008901	Alkaline ceramidase	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9NUN7	melanoma atypical teratoid rhabdoid tumor juvenile dermatomyositis LEUKODYSTROPHY, PROGRESSIVE, EARLY CHILDHOOD-ONSET pancreatic intraductal papillary-mucinous carcinoma pituitary cancer tuberculosis breast cancer large cell medulloblastoma lung carcinoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm progressive supranuclear palsy cutaneous melanoma leukodystrophy melanoma atypical teratoid rhabdoid tumor juvenile dermatomyositis LEUKODYSTROPHY, PROGRESSIVE, EARLY CHILDHOOD-ONSET pancreatic intraductal papillary-mucinous carcinoma pituitary cancer tuberculosis breast cancer large cell medulloblastoma lung carcinoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm progressive supranuclear palsy cutaneous melanoma leukodystrophy malignant pancreatic neoplasm pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia rheumatoid arthritis

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Alpha-helical polytopic	Rhodopsin-like receptors and pumps	Ceramidase

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	MemProtMD	Annotated as membrane protein by MemProtMD

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.