(2E,6E)-farnesyl diphosphate synthase activity https://github.com/geneontology/go-ontology/issues/20661 https://github.com/geneontology/go-ontology/issues/28819 https://github.com/geneontology/go-ontology/issues/29264 farnesyl pyrophosphate synthetase activity farnesyl-diphosphate synthase activity Reactome:R-HSA-191303 geranyltranstransferase activity Reactome:R-HSA-8870469 geranyl transferase I geranyl-diphosphate:isopentenyl-diphosphate geranyltranstransferase activity farnesyl diphosphate synthase activity molecular_function FPP synthetase activity Catalysis of the reaction: (2E)-geranyl diphosphate + isopentenyl diphosphate = (2E,6E)-farnesyl diphosphate + diphosphate. GO:0004337 geranyltransferase activity Note that this is the second step in the formation of farnesyl diphosphate. The first step is 'dimethylallyltransferase activity ; GO:0004161'. Consider also annotating to the biological process term 'farnesyl diphosphate biosynthetic process ; GO:0045337'. farnesyl diphosphate synthetase activity farnesylpyrophosphate synthetase activity MetaCyc:FPPSYN-RXN EC:2.5.1.10 Reactome:R-HSA-9717830 RHEA:19361 KEGG_REACTION:R02003 prenyl diphosphate synthase activity