4DOQ

Crystal structure of the complex of Porcine Pancreatic Trypsin with 1/2SLPI

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Trypsin-like serine proteases	8036522	3000114	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Trypsin-like serine proteases	8036522	3000114	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Trypsin-like serine proteases	8036522	3000114	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Elafin-like	8078301	3000478	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Elafin-like	8078301	3000478	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)
C	Trypsin_1	e4doqC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin_1	ECOD (1.6)
A	Trypsin_1	e4doqA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin_1	ECOD (1.6)
E	Trypsin_1	e4doqE1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin_1	ECOD (1.6)
B	WAP	e4doqB1	A: few secondary structure elements	X: Elafin-like (From Topology)	H: Elafin-like (From Topology)	T: Elafin-like	F: WAP	ECOD (1.6)
D	WAP	e4doqD1	A: few secondary structure elements	X: Elafin-like (From Topology)	H: Elafin-like (From Topology)	T: Elafin-like	F: WAP	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
A	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
E	2.40.10.10	Mainly Beta	Beta Barrel	Thrombin, subunit H	Trypsin-like serine proteases	CATH (4.3.0)
B	4.10.75.10	Few Secondary Structures	Irregular	R-elafin	Elafin-like	CATH (4.3.0)
D	4.10.75.10	Few Secondary Structures	Irregular	R-elafin	Elafin-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C, E	PF00089	Trypsin (Trypsin)	Trypsin	-	Domain
B, D	PF00095	WAP-type (Whey Acidic Protein) 'four-disulfide core' (WAP)	WAP-type (Whey Acidic Protein) 'four-disulfide core'	WAP belongs to the group of Elafin or elastase-specific inhibitors.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C, E	Trypsin	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 cation binding ion binding binding metal ion binding small molecule binding	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process multicellular organismal process digestion	cellular anatomical structure extracellular region extracellular space
B, D	Antileukoproteinase	DNA binding binding organic cyclic compound binding nucleic acid binding enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity RNA binding DNA binding binding organic cyclic compound binding nucleic acid binding enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity RNA binding mRNA binding protein binding enzyme binding	regulation of protein binding regulation of molecular function negative regulation of protein binding negative regulation of binding regulation of binding biological regulation negative regulation of molecular function response to stimulus immune response immune system process biological process involved in interspecies interaction between organisms modulation of process of another organism negative regulation of hydrolase activity negative regulation of proteolysis regulation of protein binding regulation of molecular function negative regulation of protein binding negative regulation of binding regulation of binding biological regulation negative regulation of molecular function response to stimulus immune response immune system process biological process involved in interspecies interaction between organisms modulation of process of another organism negative regulation of hydrolase activity negative regulation of proteolysis regulation of cellular process regulation of catalytic activity negative regulation of biological process negative regulation of catalytic activity regulation of primary metabolic process negative regulation of peptidase activity regulation of proteolysis proteolysis negative regulation of cellular process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process regulation of biological process regulation of protein metabolic process negative regulation of metabolic process regulation of peptidase activity primary metabolic process regulation of macromolecule metabolic process regulation of hydrolase activity metabolic process cellular process macromolecule metabolic process regulation of metabolic process negative regulation of viral genome replication viral life cycle negative regulation of viral process regulation of viral process regulation of viral life cycle viral genome replication viral process regulation of viral genome replication humoral immune response response to other organism defense response antibacterial humoral response defense response to symbiont response to external stimulus antimicrobial humoral response response to biotic stimulus defense response to bacterium defense response to other organism response to stress response to bacterium response to external biotic stimulus innate immune response response to lipid response to oxygen-containing compound response to lipopolysaccharide response to chemical response to molecule of bacterial origin	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system extracellular region extracellular exosome extracellular vesicle extracellular organelle extracellular space membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system extracellular region extracellular exosome extracellular vesicle extracellular organelle extracellular space vesicle extracellular membrane-bounded organelle cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix vesicle lumen intracellular vesicle membrane-enclosed lumen cytoplasmic vesicle lumen secretory granule lumen intracellular organelle lumen cytoplasmic vesicle organelle lumen specific granule lumen secretory granule secretory vesicle specific granule

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C, E	IPR001254	Serine proteases, trypsin domain	Domain
A, C, E	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, C, E	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
A, C, E	IPR050127	Serine Proteases (Peptidase S1 Family)	Family
A, C, E	IPR018114	Serine proteases, trypsin family, histidine active site	Active Site
A, C, E	IPR001314	Peptidase S1A, chymotrypsin family	Family
A, C, E	IPR033116	Serine proteases, trypsin family, serine active site	Active Site
B, D	IPR036645	Elafin-like superfamily	Homologous Superfamily
B, D	IPR050514	WAP four-disulfide core domain	Family
B, D	IPR008197	WAP-type 'four-disulfide core' domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, D	Pharos: P03973	myopathy osteosarcoma pancreatic intraductal papillary-mucinous neoplasm psoriasis breast cancer Chemically-Induced Liver Toxicity ischemia reperfusion injury lung carcinoma malignant mesothelioma nasopharyngeal carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia breast carcinoma Crohn disease drug-induced liver injury myopathy osteosarcoma pancreatic intraductal papillary-mucinous neoplasm psoriasis breast cancer Chemically-Induced Liver Toxicity ischemia reperfusion injury lung carcinoma malignant mesothelioma nasopharyngeal carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia breast carcinoma Crohn disease drug-induced liver injury lung adenocarcinoma malignant ependymoma malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic ductal adenocarcinoma pituitary cancer ulcerative colitis glioblastoma interstitial cystitis lung cancer malignant glioma

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.