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GO:0003824
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catalytic activity
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Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic. |
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GO:0016787
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hydrolase activity
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Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3. |
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GO:0006508
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proteolysis
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The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds. |
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GO:0008234
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cysteine-type peptidase activity
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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. |
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GO:0008152
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metabolic process
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The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation. |
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GO:0008233
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peptidase activity
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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. |
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GO:0019538
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protein metabolic process
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The chemical reactions and pathways involving a specific protein, rather than of proteins in general. Includes protein modification. |
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GO:0070011
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peptidase activity, acting on L-amino acid peptides
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Catalysis of the hydrolysis of peptide bonds formed between L-amino acids. |
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GO:0004197
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cysteine-type endopeptidase activity
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Catalysis of the hydrolysis of internal, alpha-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. |
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GO:0071704
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organic substance metabolic process
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The chemical reactions and pathways involving an organic substance, any molecular entity containing carbon. |
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GO:0004175
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endopeptidase activity
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Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain. |
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GO:0004198
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calcium-dependent cysteine-type endopeptidase activity
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Catalysis of the hydrolysis of nonterminal peptide bonds in a polypeptide chain by a mechanism using a cysteine residue at the enzyme active center, and requiring the presence of calcium. |
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GO:0044238
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primary metabolic process
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The chemical reactions and pathways involving those compounds which are formed as a part of the normal anabolic and catabolic processes. These processes take place in most, if not all, cells of the organism. |
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GO:0008150
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biological_process
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Any process specifically pertinent to the functioning of integrated living units: cells, tissues, organs, and organisms. A process is a collection of molecular events with a defined beginning and end. |
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GO:0003674
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molecular_function
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Elemental activities, such as catalysis or binding, describing the actions of a gene product at the molecular level. A given gene product may exhibit one or more molecular functions. |
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GO:0043170
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macromolecule metabolic process
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The chemical reactions and pathways involving macromolecules, any molecule of high relative molecular mass, the structure of which essentially comprises the multiple repetition of units derived, actually or conceptually, from molecules of low relative molecular mass. |
