3NZI

Substrate induced remodeling of the active site regulates HtrA1 activity

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
Membrane Protein Annotation: OPM

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Trypsin-like serine proteases	8089448	3000114	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	Trypsin_2	e3nziA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13365	Trypsin-like peptidase domain (Trypsin_2)	Trypsin-like peptidase domain	This family includes trypsin-like peptidase domains.	Domain
B	PF00285	Citrate synthase, C-terminal domain (Citrate_synt)	Citrate synthase, C-terminal domain	This is the long, C-terminal part of the enzyme.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Serine protease HTRA1	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 protein binding binding growth factor binding molecular function activator activity molecular function regulator activity identical protein binding	developmental process placenta development animal organ development anatomical structure development extraembryonic membrane development chorion development cellular developmental process cell differentiation chorionic trophoblast cell differentiation cellular process regulation of biological process positive regulation of programmed cell death regulation of cellular process regulation of apoptotic process developmental process placenta development animal organ development anatomical structure development extraembryonic membrane development chorion development cellular developmental process cell differentiation chorionic trophoblast cell differentiation cellular process regulation of biological process positive regulation of programmed cell death regulation of cellular process regulation of apoptotic process biological regulation positive regulation of biological process regulation of programmed cell death cell death positive regulation of apoptotic process apoptotic process programmed cell death positive regulation of cellular process cellular response to stimulus cell surface receptor protein serine/threonine kinase signaling pathway cellular response to growth factor stimulus response to stimulus signaling negative regulation of signaling regulation of transmembrane receptor protein serine/threonine kinase signaling pathway negative regulation of biological process regulation of signal transduction negative regulation of cellular response to growth factor stimulus negative regulation of BMP signaling pathway negative regulation of cell communication cell communication cellular response to endogenous stimulus negative regulation of cellular process signal transduction BMP signaling pathway enzyme-linked receptor protein signaling pathway cellular response to BMP stimulus regulation of signaling cell surface receptor signaling pathway regulation of BMP signaling pathway negative regulation of response to stimulus response to endogenous stimulus regulation of cellular response to growth factor stimulus negative regulation of signal transduction response to BMP regulation of response to stimulus regulation of cell communication transforming growth factor beta receptor superfamily signaling pathway response to growth factor negative regulation of transmembrane receptor protein serine/threonine kinase signaling pathway negative regulation of transforming growth factor beta receptor signaling pathway cellular response to transforming growth factor beta stimulus regulation of transforming growth factor beta receptor signaling pathway regulation of cellular response to transforming growth factor beta stimulus response to transforming growth factor beta transforming growth factor beta receptor signaling pathway organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cellular anatomical entity vesicle extracellular membrane-bounded organelle cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space cellular anatomical entity vesicle extracellular membrane-bounded organelle cell periphery extracellular matrix external encapsulating structure collagen-containing extracellular matrix intracellular anatomical structure cytoplasm cytosol plasma membrane membrane
B	Citrate synthase	citrate (Si)-synthase activity citrate synthase activity acyltransferase activity acyltransferase activity, acyl groups converted into alkyl on transfer transferase activity catalytic activity	aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds cellular metabolic process metabolic process cellular process primary metabolic process generation of precursor metabolites and energy carbohydrate metabolic process organic substance metabolic process tricarboxylic acid metabolic process oxoacid metabolic process carboxylic acid metabolic process aerobic respiration cellular respiration tricarboxylic acid cycle energy derivation by oxidation of organic compounds cellular metabolic process metabolic process cellular process primary metabolic process generation of precursor metabolites and energy carbohydrate metabolic process organic substance metabolic process tricarboxylic acid metabolic process oxoacid metabolic process carboxylic acid metabolic process small molecule metabolic process organic acid metabolic process citrate metabolic process ribose phosphate metabolic process nucleoside bisphosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process carbohydrate derivative metabolic process acetyl-CoA metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process acyl-CoA metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process sulfur compound metabolic process amide metabolic process thioester metabolic process phosphorus metabolic process nucleoside phosphate metabolic process organonitrogen compound metabolic process nucleotide metabolic process purine-containing compound metabolic process organic cyclic compound metabolic process organophosphate metabolic process purine ribonucleotide metabolic process dicarboxylic acid metabolic process oxaloacetate metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036058	Kazal domain superfamily	Homologous Superfamily
A	IPR002350	Kazal domain	Domain
A	IPR000867	Insulin-like growth factor-binding protein, IGFBP	Domain
A	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A	IPR041489	PDZ domain 6	Domain
A	IPR001940	Peptidase S1C	Family
A	IPR036034	PDZ superfamily	Homologous Superfamily
A	IPR009030	Growth factor receptor cysteine-rich domain superfamily	Homologous Superfamily
A	IPR001478	PDZ domain	Domain
B	IPR010109	Citrate synthase, eukaryotic-type	Family
B	IPR019810	Citrate synthase active site	Active Site
B	IPR016143	Citrate synthase-like, small alpha subdomain	Homologous Superfamily
B	IPR036969	Citrate synthase superfamily	Homologous Superfamily
B	IPR002020	Citrate synthase	Family
B	IPR016142	Citrate synthase-like, large alpha subdomain	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q92743	CARASIL syndrome age related macular degeneration 7 age-related macular degeneration cerebral arteriopathy, autosomal dominant, with subcortical infarcts and leukoencephalopathy, type 2 limb-girdle muscular dystrophy macular degeneration malignant pancreatic neoplasm myopathy pancreatic ductal adenocarcinoma Pick disease breast cancer ulcerative colitis cerebral arteriopathy, autosomal dominant, with subcortical infarcts and leukoencephalopathy, type 1 cystic fibrosis exocrine pancreatic carcinoma CARASIL syndrome age related macular degeneration 7 age-related macular degeneration cerebral arteriopathy, autosomal dominant, with subcortical infarcts and leukoencephalopathy, type 2 limb-girdle muscular dystrophy macular degeneration malignant pancreatic neoplasm myopathy pancreatic ductal adenocarcinoma Pick disease breast cancer ulcerative colitis cerebral arteriopathy, autosomal dominant, with subcortical infarcts and leukoencephalopathy, type 1 cystic fibrosis exocrine pancreatic carcinoma heart disease large cell medulloblastoma lung benign neoplasm malignant mesothelioma malignant peripheral nerve sheath tumor neurofibrosarcoma pancreatic intraductal papillary-mucinous carcinoma primitive neuroectodermal tumor CADASILM wet macular degeneration Duchenne muscular dystrophy gastric carcinoma hypertensive disorder leukodystrophy medulloblastoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia atypical teratoid rhabdoid tumor retinal degeneration cerebrovascular disorder Emery-Dreifuss muscular dystrophy Hashimoto thyroiditis invasive ductal breast carcinoma

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Monotopic/peripheral	All beta monotopic/peripheral	Peptidase clan PA	Prokaryotic proteases

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.