Annotations: 2NCU

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	multicellular organismal process regulation of body fluid levels wound healing response to stimulus hemostasis biological regulation blood coagulation response to stress coagulation regulation of biological quality response to wounding	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 vesicle extracellular membrane-bounded organelle

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

Chains	Drug Target	Associated Disease
A	: 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

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.

2NCU | pdb_00002ncu