EOG8ZCWJG GO:0005509 23/74 calcium ion binding molecular_function "Interacting selectively and non-covalently with calcium ions (Ca2+)." [GOC:ai] EOG8ZCWJG GO:0006511 23/74 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] EOG8ZCWJG GO:0004843 22/74 ubiquitin-specific protease activity molecular_function "Catalysis of the thiol-dependent hydrolysis of a peptide bond formed by the C-terminal glycine of ubiquitin." [GOC:jh2, ISBN:0120793709] EOG8ZCWJG GO:0008233 1/74 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] EOG8ZCWJG GO:0008234 1/74 cysteine-type peptidase activity molecular_function "Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile." [GOC:mah, http://merops.sanger.ac.uk/about/glossary.htm#CATTYPE] EOG8ZCWJG GO:0004221 1/74 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]