Annotations: 7Z9F

Human anionic trypsin after autoproteolysis at Arg122

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth B]	eIF-1a	e7z9fB1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
C [auth Y]	eIF-1a	e7z9fY1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
B [auth A]	Ribosomal_L27A, Ribosomal_L18	e7z9fA1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Ribosomal_L27A, Ribosomal_L18	ECOD (v295)
A [auth X]	Proton_antipo_M,Proton_antipo_N	e7z9fX01	A: alpha arrays	X: Fe-binding domain in prismane-like proteins	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Proton_antipo_M,Proton_antipo_N	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth B]	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (utative)
C [auth Y]	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth Y], D [auth B]	PF00089	Trypsin (Trypsin)	Trypsin		Domain
A [auth X], B [auth A]	PF00089	Trypsin (Trypsin)	Trypsin		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth Y], D [auth B]	Trypsin-2	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity metallopeptidase activity catalytic activity endopeptidase activity serine hydrolase activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity metallopeptidase activity catalytic activity endopeptidase activity serine hydrolase activity serine-type peptidase activity serine-type endopeptidase activity	regulation of biological process cell adhesion regulation of cellular process positive regulation of cell adhesion regulation of cell adhesion biological regulation positive regulation of biological process cellular process positive regulation of cellular process regulation of growth regulation of cellular component organization growth positive regulation of cell growth regulation of cell growth regulation of biological process cell adhesion regulation of cellular process positive regulation of cell adhesion regulation of cell adhesion biological regulation positive regulation of biological process cellular process positive regulation of cellular process regulation of growth regulation of cellular component organization growth positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular component organization or biogenesis collagen catabolic process catabolic process metabolic process collagen metabolic process humoral immune response biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response immune response defense response to symbiont response to external stimulus antimicrobial humoral response response to biotic stimulus defense response to other organism response to stress immune system process response to external biotic stimulus cellular component disassembly extracellular matrix disassembly extracellular matrix organization extracellular structure organization external encapsulating structure organization proteolysis primary metabolic process protein metabolic process macromolecule metabolic process multicellular organismal process digestion	cellular anatomical structure extracellular region 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 cytoplasmic vesicle vesicle cellular anatomical structure extracellular region 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 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 matrix external encapsulating structure
A [auth X], B [auth A]	Trypsin-2	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity metallopeptidase activity catalytic activity endopeptidase activity serine hydrolase activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity metallopeptidase activity catalytic activity endopeptidase activity serine hydrolase activity serine-type peptidase activity serine-type endopeptidase activity	regulation of biological process cell adhesion regulation of cellular process positive regulation of cell adhesion regulation of cell adhesion biological regulation positive regulation of biological process cellular process positive regulation of cellular process regulation of growth regulation of cellular component organization growth positive regulation of cell growth regulation of cell growth regulation of biological process cell adhesion regulation of cellular process positive regulation of cell adhesion regulation of cell adhesion biological regulation positive regulation of biological process cellular process positive regulation of cellular process regulation of growth regulation of cellular component organization growth positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular component organization or biogenesis collagen catabolic process catabolic process metabolic process collagen metabolic process humoral immune response biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response immune response defense response to symbiont response to external stimulus antimicrobial humoral response response to biotic stimulus defense response to other organism response to stress immune system process response to external biotic stimulus cellular component disassembly extracellular matrix disassembly extracellular matrix organization extracellular structure organization external encapsulating structure organization proteolysis primary metabolic process protein metabolic process macromolecule metabolic process multicellular organismal process digestion	cellular anatomical structure extracellular region 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 cytoplasmic vesicle vesicle cellular anatomical structure extracellular region 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 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 matrix external encapsulating structure

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth Y], D [auth B]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
C [auth Y], D [auth B]	IPR001314	Peptidase S1A, chymotrypsin family	Family
C [auth Y], D [auth B]	IPR033116	Serine proteases, trypsin family, serine active site	Active Site
C [auth Y], D [auth B]	IPR001254	Serine proteases, trypsin domain	Domain
C [auth Y], D [auth B]	IPR018114	Serine protease-like, trypsin family, histidine active site	Active Site
C [auth Y], D [auth B]	IPR050127	Serine Proteases (Peptidase S1 Family)	Family
C [auth Y], D [auth B]	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown
A [auth X], B [auth A]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A [auth X], B [auth A]	IPR001314	Peptidase S1A, chymotrypsin family	Family
A [auth X], B [auth A]	IPR033116	Serine proteases, trypsin family, serine active site	Active Site
A [auth X], B [auth A]	IPR001254	Serine proteases, trypsin domain	Domain
A [auth X], B [auth A]	IPR018114	Serine protease-like, trypsin family, histidine active site	Active Site
A [auth X], B [auth A]	IPR050127	Serine Proteases (Peptidase S1 Family)	Family
A [auth X], B [auth A]	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C [auth Y], D [auth B]	: P07478	hereditary chronic pancreatitis chronic pancreatitis alcoholic pancreatitis diabetes mellitus lung adenocarcinoma Prevention of deep vein thrombosis MALT lymphoma pancreatitis
A [auth X], B [auth A]	: P07478	hereditary chronic pancreatitis chronic pancreatitis alcoholic pancreatitis diabetes mellitus lung adenocarcinoma Prevention of deep vein thrombosis MALT lymphoma pancreatitis

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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.