Hexaprenyl diphosphate synthase (geranylgeranyl-diphosphate specific)
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Template:Infobox enzyme Hexaprenyl diphosphate synthase (geranylgeranyl-diphosphate specific) (Template:EC number, HexPS, (all-E) hexaprenyl diphosphate synthase, (all-trans) hexaprenyl diphosphate synthase, hexaprenyl pyrophosphate synthase, HexPPs, hexaprenyl diphosphate synthase) is an enzyme with systematic name geranylgeranyl-diphosphate:isopentenyl-diphosphate transferase (adding 2 isopentenyl units).[1][2][3] This enzyme catalyses the following chemical reaction
- geranylgeranyl diphosphate + 2 isopentenyl diphosphate 2 diphosphate + all-trans-hexaprenyl diphosphate
The enzyme prefers geranylgeranyl diphosphate to farnesyl diphosphate as an allylic substrate.
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Template:Alkyl and aryl transferases Template:Enzymes Template:Portal bar