EOG8XKXNH GO:0006511 23/88 ubiquitin-dependent protein catabolic process biological_process "The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of a ubiquitin group, or multiple ubiquitin groups, to the protein." [GOC:go_curators] EOG8XKXNH GO:0004221 3/88 obsolete ubiquitin thiolesterase activity molecular_function "OBSOLETE. Catalysis of the reaction: ubiquitin C-terminal thioester + H2O = ubiquitin + a thiol." [EC:3.1.2.15, GOC:jh2] EOG8XKXNH GO:0008233 3/88 peptidase activity molecular_function "Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid." [GOC:jl, ISBN:0815332181]