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