catalytic activity transferase activity EC:2.-.-.- GO:0016740 Reactome:R-HSA-1483186 Reactome:R-HSA-1483089 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. Reactome:R-HSA-5668414 molecular_function Reactome:R-HSA-8868783