1JFN

SOLUTION STRUCTURE OF HUMAN APOLIPOPROTEIN(A) KRINGLE IV TYPE 6

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1jfna1	Small proteins	Kringle-like	Kringle-like	Kringle modules	Apolipoprotein A	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1jfna2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Kringle modules	8027516	4003395	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Kringle-like	8039895	3000761	SCOP2 (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	Kringle	e1jfnA1	A: few secondary structure elements	X: Kringle-like (From Topology)	H: Kringle-like (From Topology)	T: Kringle-like	F: Kringle	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.20.10	Mainly Beta	Beta Barrel	Plasminogen Kringle 4	Plasminogen Kringle 4	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00051	Kringle domain (Kringle)	Kringle domain	Kringle domains have been found in plasminogen, hepatocyte growth factors, prothrombin, and apolipoprotein A. Structure is disulfide-rich, nearly all-beta.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	APOLIPOPROTEIN A, KIV-T6	protein binding binding signaling receptor binding peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity endopeptidase activity fibronectin binding apolipoprotein binding serine hydrolase activity serine-type peptidase activity serine-type endopeptidase activity enzyme regulator activity protein binding binding signaling receptor binding peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity endopeptidase activity fibronectin binding apolipoprotein binding serine hydrolase activity serine-type peptidase activity serine-type endopeptidase activity enzyme regulator activity molecular function inhibitor activity peptidase regulator activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity heparin binding glycosaminoglycan binding carbohydrate derivative binding sulfur compound binding	localization transport macromolecule localization organic substance transport lipid localization lipid transport establishment of localization organic substance metabolic process primary metabolic process metabolic process lipid metabolic process organonitrogen compound metabolic process proteolysis nitrogen compound metabolic process localization transport macromolecule localization organic substance transport lipid localization lipid transport establishment of localization organic substance metabolic process primary metabolic process metabolic process lipid metabolic process organonitrogen compound metabolic process proteolysis nitrogen compound metabolic process protein metabolic process macromolecule metabolic process multicellular organismal process system process circulatory system process blood circulation	extracellular region cellular anatomical entity protein-containing complex plasma lipoprotein particle extracellular space lipoprotein particle protein-lipid complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR013806	Kringle-like fold	Homologous Superfamily
A	IPR038178	Kringle superfamily	Homologous Superfamily
A	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A	IPR001314	Peptidase S1A, chymotrypsin family	Family
A	IPR033116	Serine proteases, trypsin family, serine active site	Active Site
A	IPR001254	Serine proteases, trypsin domain	Domain
A	IPR018056	Kringle, conserved site	Conserved Site
A	IPR043504	Peptidase S1, PA clan, chymotrypsin-like fold	Homologous Superfamily
A	IPR018114	Serine proteases, trypsin family, histidine active site	Active Site
A	IPR000001	Kringle	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P08519	atherosclerosis coronary artery disease Thromboembolism cardiovascular disease hypolipoproteinemia metabolic syndrome X peripheral arterial disease abdominal aortic aneurysm arteriosclerosis disorder myocardial infarction psoriasis heart disease inherited lipid metabolism disorder pancreatic ductal adenocarcinoma temporal arteritis atherosclerosis coronary artery disease Thromboembolism cardiovascular disease hypolipoproteinemia metabolic syndrome X peripheral arterial disease abdominal aortic aneurysm arteriosclerosis disorder myocardial infarction psoriasis heart disease inherited lipid metabolism disorder pancreatic ductal adenocarcinoma temporal arteritis aortic stenosis cerebrovascular disorder hepatocellular carcinoma

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.