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GO:0003674
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molecular_function
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A molecular process that can be carried out by the action of a single macromolecular machine, usually via direct physical interactions with other molecular entities. Function in this sense denotes an action, or activity, that a gene product (or a complex) performs. |
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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:0005488
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binding
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The selective, non-covalent, often stoichiometric, interaction of a molecule with one or more specific sites on another molecule. |
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GO:0005515
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protein binding
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Binding to a protein. |
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GO:0098772
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molecular function regulator activity
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A molecular function regulator regulates the activity of its target via non-covalent binding that does not result in covalent modification to the target. Examples of molecular function regulators include regulatory subunits of multimeric enzymes and channels. Mechanisms of regulation include allosteric changes in the target and competitive inhibition. |
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GO:0140677
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molecular function activator activity
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A molecular function regulator that activates or increases the activity of its target via non-covalent binding that does not result in covalent modification to the target. |
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GO:0030234
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enzyme regulator activity
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Binds to and modulates the activity of an enzyme. |
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GO:0008047
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enzyme activator activity
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Binds to and increases the activity of an enzyme. |
