go_id,ontology,go_term,term_definition,evidence
GO:0000139,CC,"Golgi membrane","The lipid bilayer surrounding any of the compartments of the Golgi apparatus.",IEA
GO:0005654,CC,nucleoplasm,"That part of the nuclear content other than the chromosomes or the nucleolus.",IDA
GO:0006024,BP,"glycosaminoglycan biosynthetic process","The chemical reactions and pathways resulting in the formation of glycosaminoglycans, any of a group of polysaccharides that contain amino sugars.",TAS
GO:0015015,BP,"heparan sulfate proteoglycan biosynthetic process, enzymatic modification","The modification, often by sulfation, of sugars incorporated into heparan sulfate after polymerization.",IEA
GO:0016021,CC,"integral component of membrane","The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.",IEA
GO:0017095,MF,"heparan sulfate 6-O-sulfotransferase activity","Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + heparan sulfate = adenosine 3',5'-bisphosphate + heparan sulfate 6-O-sulfate; results in 6-O-sulfation of glucosamine residues in heparan sulfate.",IBA|TAS
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