isopentenyl diphosphate + (2E)-geranyl diphosphate = (2Z,6E)-farnesyl diphosphate + diphosphate
isopentenyl diphosphate + (2e)-geranyl diphosphate = (2z,6e)-farnesyl diphosphate + diphosphate
"(2Z,6E)-farnesyl diphosphate synthase"
"(2z,6e)-farnesyl diphosphate synthase"