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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:0016740
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transferase activity
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Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2. |
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GO:0016779
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nucleotidyltransferase activity
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Catalysis of the transfer of a nucleotidyl group to a reactant. |
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GO:0016772
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transferase activity, transferring phosphorus-containing groups
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Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to another (acceptor). |
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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:0070567
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cytidylyltransferase activity
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Catalysis of the transfer of a cytidylyl group to an acceptor. |
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GO:0004306
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ethanolamine-phosphate cytidylyltransferase activity
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Catalysis of the reaction: CTP + ethanolamine phosphate = diphosphate + CDP-ethanolamine. |
