5 isopentenyl diphosphate + (2E,6E)-farnesyl diphosphate = all-trans-octaprenyl diphosphate + 5 diphosphate
5 isopentenyl diphosphate + (2e,6e)-farnesyl diphosphate = all-trans-octaprenyl diphosphate + 5 diphosphate
"trans-heptaprenyltranstransferase"
"trans-heptaprenyltranstransferase"