n isopentenyl diphosphate + (2E,6E)-farnesyl diphosphate <=> a di-trans,poly-cis-polyprenyl diphosphate + n diphosphate
n isopentenyl diphosphate + (2e,6e)-farnesyl diphosphate <=> a di-trans,poly-cis-polyprenyl diphosphate + n diphosphate