4Q80 | pdb_00004q80

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4q80a_	All beta proteins	Trypsin-like serine proteases	Trypsin-like serine proteases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d4q80b_	All beta proteins	Trypsin-like serine proteases	Trypsin-like serine proteases	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	V-set	e4q80A1	A: a/b three-layered sandwiches	X: beta-Grasp	H: Ribosomal protein L41-A	T: Ribosomal protein L41-A	F: V-set	ECOD (v294.1)
B	V-set	e4q80B1	A: a/b three-layered sandwiches	X: beta-Grasp	H: Ribosomal protein L41-A	T: Ribosomal protein L41-A	F: V-set	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
B	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)

Chains	Accession	Name	Description	Comments	Source
A, B	PF00089	Trypsin (Trypsin)	Trypsin		Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Serine protease 57	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity heparin binding glycosaminoglycan binding binding carbohydrate derivative binding sulfur compound binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process protein maturation proteolysis	membrane-bounded organelle intracellular anatomical structure lytic vacuole intracellular vesicle membrane-enclosed lumen cytoplasmic vesicle lumen vacuolar lumen endomembrane system intracellular organelle lumen intracellular organelle cellular anatomical structure cytoplasmic vesicle vesicle lysosome membrane-bounded organelle intracellular anatomical structure lytic vacuole intracellular vesicle membrane-enclosed lumen cytoplasmic vesicle lumen vacuolar lumen endomembrane system intracellular organelle lumen intracellular organelle cellular anatomical structure cytoplasmic vesicle vesicle lysosome vesicle lumen azurophil granule vacuole intracellular membrane-bounded organelle secretory granule lumen azurophil granule lumen organelle lumen organelle secretory granule primary lysosome secretory vesicle cytoplasm extracellular region extracellular space

Chains	Accession	Name	Type
A, B	IPR001254	Serine proteases, trypsin domain	Domain
A, B	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, B	IPR018114	Serine proteases, trypsin family, histidine active site	Active Site
A, B	IPR001314	Peptidase S1A, chymotrypsin family	Family
A, B	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown

Chains	Drug Target	Associated Disease
A, B	Pharos: Q6UWY2	chikungunya MALT lymphoma diarrheal disease gastroenteritis

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.

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