go_id,ontology,go_term,term_definition,evidence GO:0003840,MF,"gamma-glutamyltransferase activity","Catalysis of the reaction: (5-L-glutamyl)-peptide + an amino acid = peptide + 5-L-glutamyl-amino acid.",TAS GO:0005515,MF,"protein binding","Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).",IPI GO:0006508,BP,proteolysis,"The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.",IEA GO:0006749,BP,"glutathione metabolic process","The chemical reactions and pathways involving glutathione, the tripeptide glutamylcysteinylglycine, which acts as a coenzyme for some enzymes and as an antioxidant in the protection of sulfhydryl groups in enzymes and other proteins; it has a specific role in the reduction of hydrogen peroxide (H2O2) and oxidized ascorbate, and it participates in the gamma-glutamyl cycle.",IBA GO:0006750,BP,"glutathione biosynthetic process","The chemical reactions and pathways resulting in the formation of glutathione, the tripeptide glutamylcysteinylglycine, which acts as a coenzyme for some enzymes and as an antioxidant in the protection of sulfhydryl groups in enzymes and other proteins.",TAS 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:0019370,BP,"leukotriene biosynthetic process","The chemical reactions and pathways resulting in the formation of leukotriene, a pharmacologically active substance derived from a polyunsaturated fatty acid, such as arachidonic acid.",IDA GO:0031362,CC,"anchored component of external side of plasma membrane","The component of the plasma membrane consisting of the gene products that are tethered to the external side of the membrane only by a covalently attached anchor, such as a lipid group embedded in the membrane. Gene products with peptide sequences that are embedded in the membrane are excluded from this grouping.",IDA GO:0036374,MF,"glutathione hydrolase activity","Catalysis of the reaction: glutathione + H2O = L-cysteinylglycine + L-glutamate.",IEA