Enzyme - EC 2.5.1.10 - Geranyltranstransferase
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EC
2.5.1.10
Official Name
Geranyltranstransferase
Alternative Name(s)
Farnesyl-diphosphate synthase
Farnesyl pyrophosphate synthetase
Farnesyl diphosphate synthetase
FPP synthetase
Farnesyl pyrophosphate synthetase
Farnesyl diphosphate synthetase
FPP synthetase
Class
2.Transferases
5.Transferring alkyl or aryl groups, other than methyl groups
5.Transferring alkyl or aryl groups, other than methyl groups
Catalysed reaction
geranyl di-P + isopentenyl di-P 
di-P
+ trans,trans-farnesyl di-P
di-P
+ trans,trans-farnesyl di-PSubstrates
Geranyl diphosphate
Isopentenyl diphosphate
Dimethylallyl diphosphate
Isopentenyl diphosphate
Dimethylallyl diphosphate
Products
Pyrophosphate
trans,trans-Farnesyl diphosphate
Geranyl diphosphate
trans,trans-Farnesyl diphosphate
Geranyl diphosphate
Metabolic Pathways
Other comments
Some forms of this enzyme will also use dimethylallyl diphosphate as a substrate. Will not accept larger prenyl diphosphates as efficient donors.
It's one of the two polyprenyl synthetases.