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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:0016757
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glycosyltransferase activity
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Catalysis of the transfer of a glycosyl group from one compound (donor) to another (acceptor). |
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GO:0016758
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hexosyltransferase activity
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Catalysis of the transfer of a hexosyl group from one compound (donor) to another (acceptor). |
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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:0140096
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catalytic activity, acting on a protein
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Catalytic activity that acts to modify a protein. |
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GO:0008375
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acetylglucosaminyltransferase activity
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Catalysis of the transfer of an N-acetylglucosaminyl residue from UDP-N-acetyl-glucosamine to a sugar. |
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GO:0008194
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UDP-glycosyltransferase activity
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Catalysis of the transfer of a glycosyl group from a UDP-sugar to a small hydrophobic molecule. |
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GO:0140103
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catalytic activity, acting on a glycoprotein
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Catalysis of a biochemical reaction in which one of the substrates is a glycoprotein. |
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GO:0003827
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alpha-1,3-mannosylglycoprotein 2-beta-N-acetylglucosaminyltransferase activity
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Catalysis of the reaction: 3-(alpha-D-mannosyl)-beta-D-mannosyl-R + UDP-N-acetyl-alpha-D-glucosamine = 3-(2-[N-acetyl-beta-D-glucosaminyl]-alpha-D-mannosyl)-beta-D-mannosyl-R + H+ + UDP. |
