Annotations: 3N2Z

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	Peptidase_S28_2nd	e3n2zB1	A: alpha arrays	X: Dipeptidyl-peptidase 2 helical domain (From Topology)	H: Dipeptidyl-peptidase 2 helical domain (From Topology)	T: Dipeptidyl-peptidase 2 helical domain	F: Peptidase_S28_2nd	ECOD (1.6)
A [auth B]	Peptidase_S28_1st	e3n2zB2	A: a/b three-layered sandwiches	X: alpha/beta-Hydrolases (From Topology)	H: alpha/beta-Hydrolases (From Topology)	T: alpha/beta-Hydrolases	F: Peptidase_S28_1st	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)
A [auth B]	1.20.120.980	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Serine carboxypeptidase S28, SKS domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B]	PF05577	Serine carboxypeptidase S28 (Peptidase_S28)	Serine carboxypeptidase S28	These serine proteases include several eukaryotic enzymes such as lysosomal Pro-X carboxypeptidase, dipeptidyl-peptidase II, and thymus-specific serine peptidase.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Lysosomal Pro-X carboxypeptidase	peptidase activity catalytic activity, acting on a protein dipeptidyl-peptidase activity hydrolase activity exopeptidase activity catalytic activity serine-type exopeptidase activity serine hydrolase activity serine-type carboxypeptidase activity serine-type peptidase activity carboxypeptidase activity	regulation of biological process regulation of cell motility regulation of cellular process regulation of blood vessel endothelial cell migration endothelial cell migration biological regulation regulation of locomotion regulation of cell migration regulation of endothelial cell migration blood vessel endothelial cell migration cell migration cellular process cell motility locomotion regulation of biological process regulation of cell motility regulation of cellular process regulation of blood vessel endothelial cell migration endothelial cell migration biological regulation regulation of locomotion regulation of cell migration regulation of endothelial cell migration blood vessel endothelial cell migration cell migration cellular process cell motility locomotion protein activation cascade response to stimulus defense response primary metabolic process gene expression macromolecule biosynthetic process kinin cascade protein maturation plasma kallikrein-kinin cascade biosynthetic process response to stress metabolic process inflammatory response protein metabolic process macromolecule metabolic process acute inflammatory response cellular response to stimulus intracellular receptor signaling pathway signaling regulation of signal transduction regulation of thyroid hormone receptor signaling pathway hormone-mediated signaling pathway intracellular signal transduction cell communication cellular response to endogenous stimulus regulation of intracellular signal transduction response to hormone signal transduction cellular response to hormone stimulus regulation of signaling response to endogenous stimulus thyroid hormone receptor signaling pathway cellular response to chemical stimulus regulation of response to stimulus response to chemical regulation of cell communication nuclear receptor-mediated signaling pathway multicellular organismal process system process regulation of systemic arterial blood pressure circulatory system process regulation of blood pressure negative regulation of systemic arterial blood pressure regulation of biological quality blood circulation negative regulation of blood pressure multicellular organismal-level homeostasis homeostatic process energy homeostasis reactive oxygen species metabolic process regulation of metabolic process regulation of reactive oxygen species metabolic process proteolysis developmental process wound healing blood vessel morphogenesis tube development angiogenesis involved in wound healing angiogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis response to wounding blood vessel development system development chemical homeostasis glucose homeostasis carbohydrate homeostasis	cellular anatomical structure basal part of cell extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure intracellular vesicle lytic vacuole cellular anatomical structure basal part of cell extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure intracellular vesicle lytic vacuole endomembrane system intracellular organelle bounding membrane of organelle vesicle membrane cytoplasmic vesicle lysosome vacuolar membrane membrane azurophil granule vacuole intracellular membrane-bounded organelle lytic vacuole membrane cytoplasmic vesicle membrane lysosomal membrane secretory granule primary lysosome secretory vesicle azurophil granule membrane cytoplasm organelle membrane secretory granule membrane ficolin-1-rich granule membrane ficolin-1-rich granule tertiary granule cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR008758	Peptidase S28	Family
A [auth B]	IPR029058	Alpha/Beta hydrolase fold	Homologous Superfamily
A [auth B]	IPR042269	Serine carboxypeptidase S28, SKS domain	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth B]	Pharos: P42785	allergic rhinitis Cough juvenile dermatomyositis malignant mesothelioma oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma transitional cell carcinoma astrocytic tumor diabetes mellitus lung cancer ovarian cancer rhinitis vasomotor rhinitis common cold glioblastoma allergic rhinitis Cough juvenile dermatomyositis malignant mesothelioma oligodendroglioma pancreatic intraductal papillary-mucinous carcinoma transitional cell carcinoma astrocytic tumor diabetes mellitus lung cancer ovarian cancer rhinitis vasomotor rhinitis common cold glioblastoma malignant ependymoma pancreatic ductal adenocarcinoma Sjogren syndrome

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.