Catalyzes the condensation of three molecules of isopentenyl diphosphate with farnesyl diphosphate (FPP) to yield (all-E)-hexaprenyl diphosphate (HexPP; C30), the precursor of the prenyl side chain of menaquinone-6. Large subunit Hexs-B catalyzes the condensation reaction and the final product chain length is cooperatively regulated by both the Hexs-A and Hexs-B subunits using the whole size of the hydrophobic cleft as a ruler.
Belongs to the FPP/GGPP synthase family.
(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)
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Protein synthesis service