Annotations: 2NCW

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Heparin cofactor 2	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 heparin binding glycosaminoglycan binding binding carbohydrate derivative binding sulfur compound binding	chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion multicellular organismal process regulation of body fluid levels wound healing hemostasis biological regulation blood coagulation response to stress coagulation chemotaxis response to stimulus taxis response to chemical response to external stimulus locomotion multicellular organismal process regulation of body fluid levels wound healing hemostasis biological regulation blood coagulation response to stress coagulation regulation of biological quality response to wounding 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 negative regulation of molecular function regulation of peptidase activity primary metabolic process regulation of macromolecule metabolic process regulation of molecular function regulation of hydrolase activity metabolic process cellular process macromolecule metabolic process regulation of metabolic process	membrane-bounded organelle intracellular anatomical structure membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen endoplasmic reticulum lumen intracellular organelle cellular anatomical structure organelle lumen organelle endoplasmic reticulum cytoplasm extracellular region membrane-bounded organelle intracellular anatomical structure membrane-enclosed lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen endoplasmic reticulum lumen intracellular organelle cellular anatomical structure organelle lumen organelle endoplasmic reticulum cytoplasm extracellular region extracellular exosome extracellular vesicle extracellular organelle extracellular space vesicle extracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR023795	Serpin, conserved site	Conserved Site
A	IPR033831	Heparin cofactor II, serpin domain	Domain
A	IPR000215	Serpin family	Family
A	IPR023796	Serpin domain	Domain
A	IPR042178	Serpin superfamily, domain 1	Homologous Superfamily
A	IPR042185	Serpin superfamily, domain 2	Homologous Superfamily
A	IPR036186	Serpin superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P05546	heparin cofactor 2 deficiency thrombophilia mesenteric vascular occlusion carotid artery thrombosis venous thromboembolism lung cancer pancreatic ductal adenocarcinoma Common Carotid Artery Thrombosis malignant mesothelioma psoriasis interstitial lung disease sarcoidosis

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Peptides	Alpha-helical peptides	Designed alpha-helical peptides	Basic amphiphilic peptides

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.