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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:0004672
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protein kinase activity
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Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction: a protein + ATP = a phosphoprotein + ADP. |
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GO:0006468
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protein phosphorylation
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The process of introducing a phosphate group on to a protein. |
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GO:0007165
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signal transduction
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The cellular process in which a signal is conveyed to trigger a change in the activity or state of a cell. Signal transduction begins with reception of a signal (e.g. a ligand binding to a receptor or receptor activation by a stimulus such as light), or for signal transduction in the absence of ligand, signal-withdrawal or the activity of a constitutively active receptor. Signal transduction ends with regulation of a downstream cellular process, e.g. regulation of transcription or regulation of a metabolic process. Signal transduction covers signaling from receptors located on the surface of the cell and signaling via molecules located within the cell. For signaling between cells, signal transduction is restricted to events at and within the receiving cell. |
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GO:0016310
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phosphorylation
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The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide. |
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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: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:0006796
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phosphate-containing compound metabolic process
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The chemical reactions and pathways involving the phosphate group, the anion or salt of any phosphoric acid. |
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GO:0044237
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cellular metabolic process
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The chemical reactions and pathways by which individual cells transform chemical substances. |
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GO:0016301
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kinase activity
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Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule. |
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GO:0016773
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phosphotransferase activity, alcohol group as acceptor
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Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to an alcohol group (acceptor). |
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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: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:0007166
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cell surface receptor signaling pathway
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A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription. |
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GO:0006464
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cellular protein modification process
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The covalent alteration of one or more amino acids occurring in proteins, peptides and nascent polypeptides (co-translational, post-translational modifications) occurring at the level of an individual cell. Includes the modification of charged tRNAs that are destined to occur in a protein (pre-translation modification). |
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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:0043412
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macromolecule modification
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The covalent alteration of one or more monomeric units in a polypeptide, polynucleotide, polysaccharide, or other biological macromolecule, resulting in a change in its properties. |
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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:0043085
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positive regulation of catalytic activity
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Any process that activates or increases the activity of an enzyme. |
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GO:0001932
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regulation of protein phosphorylation
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Any process that modulates the frequency, rate or extent of addition of phosphate groups into an amino acid in a protein. |
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GO:0032147
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activation of protein kinase activity
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Any process that initiates the activity of an inactive protein kinase. |
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GO:0006461
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protein complex assembly
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The aggregation, arrangement and bonding together of a set of components to form a protein complex. |
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GO:0050790
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regulation of catalytic activity
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Any process that modulates the activity of an enzyme. |
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GO:0045859
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regulation of protein kinase activity
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Any process that modulates the frequency, rate or extent of protein kinase activity. |
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GO:0051716
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cellular response to stimulus
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Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus. The process begins with detection of the stimulus by a cell and ends with a change in state or activity or the cell. |
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GO:0044260
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cellular 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, as carried out by individual cells. |
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GO:0042325
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regulation of phosphorylation
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Any process that modulates the frequency, rate or extent of addition of phosphate groups into a molecule. |
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GO:0007154
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cell communication
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Any process that mediates interactions between a cell and its surroundings. Encompasses interactions such as signaling or attachment between one cell and another cell, between a cell and an extracellular matrix, or between a cell and any other aspect of its environment. |
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GO:0016043
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cellular component organization
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A process that results in the assembly, arrangement of constituent parts, or disassembly of a cellular component. |
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GO:0044267
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cellular protein metabolic process
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The chemical reactions and pathways involving a specific protein, rather than of proteins in general, occurring at the level of an individual cell. Includes cellular protein modification. |
