ID 2.5.1.91 DE all-trans-decaprenyl-diphosphate synthase. AN decaprenyl-diphosphate synthase. AN decaprenyl pyrophosphate synthetase. AN polyprenylpyrophosphate synthetase. AN terpenoidallyltransferase. AN terpenyl pyrophosphate synthetase. AN trans-prenyltransferase. CA (2E,6E)-farnesyl diphosphate + 7 isopentenyl diphosphate = all-trans- CA decaprenyl diphosphate + 7 diphosphate. CC -!- This enzyme catalyzes the condensation reactions resulting in the CC formation of all-trans-decaprenyl diphosphate, the isoprenoid side CC chain of ubiquinone-10 and menaquinone-10. CC -!- The enzyme adds seven isopentenyl diphosphate molecules sequentially CC to farnesyl diphosphate with trans stereochemistry. DR Q86YH6, DLP1_HUMAN ; Q33DR3, DLP1_MOUSE ; Q5U2R1, DLP1_RAT ; DR O13851, DLP1_SCHPO ; Q54VJ9, DPS1_DICDI ; Q5T2R2, DPS1_HUMAN ; DR Q33DR2, DPS1_MOUSE ; O43091, DPS1_SCHPO ; //