go_id,ontology,go_term,term_definition,evidence
GO:0005518,MF,"collagen binding","Interacting selectively and non-covalently with collagen, a group of fibrous proteins of very high tensile strength that form the main component of connective tissue in animals. Collagen is highly enriched in glycine (some regions are 33% glycine) and proline, occurring predominantly as 3-hydroxyproline (about 20%).",IEA
GO:0008201,MF,"heparin binding","Interacting selectively and non-covalently with heparin, any member of a group of glycosaminoglycans found mainly as an intracellular component of mast cells and which consist predominantly of alternating alpha-(1->4)-linked D-galactose and N-acetyl-D-glucosamine-6-sulfate residues.",IBA
GO:0010952,BP,"positive regulation of peptidase activity","Any process that increases the frequency, rate or extent of peptidase activity, the hydrolysis of peptide bonds within proteins.",IEA
GO:0016504,MF,"peptidase activator activity","Binds to and increases the activity of a peptidase, any enzyme that catalyzes the hydrolysis peptide bonds.",IDA
GO:0070062,CC,"extracellular exosome","A membrane-bounded vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.",IDA