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2.5.1.29: geranylgeranyl diphosphate synthase

This is an abbreviated version!
For detailed information about geranylgeranyl diphosphate synthase, go to the full flat file.

Word Map on EC 2.5.1.29

Reaction

(2E,6E)-farnesyl diphosphate
+
isopentenyl diphosphate
=
diphosphate
+
geranylgeranyl diphosphate

Synonyms

At4g36810, bifunctional farnesyl/geranylgeranyl diphosphate synthase, BTS1, CcGGDPS1, CcGGDPS2, CotB1, CrtE, DR1395, EgcrtE, EuFPS1, EuFPS2, farnesyl diphosphate/geranylgeranyl diphosphate synthase, farnesyl-diphosphate/geranylgeranyldiphosphate, farnesyltransferase, FPPS/GGPPS, geranylgeranyl diphosphate synthase, geranylgeranyl diphosphate synthase 1, geranylgeranyl diphosphate synthase 11, geranylgeranyl pyrophosphate synthase, geranylgeranyl pyrophosphate synthase GACE1337, geranylgeranyl pyrophosphate synthase GGPPS1-1, geranylgeranyl pyrophosphate synthase GGPPS1-2, geranylgeranyl pyrophosphate synthetase, geranylgeranyl-PP synthetase, geranylgeranyl-pyrophosphate synthase, GGDP synthase, GGDPS, GGPP synthase, GGPP-S, GGPPase, GGPPS, GGPPS 1, GGPPS 191, GGPPS 2, GGPPS 3, GGPPS 595, GGPPS 727, GGPPS1, GGPPS11, GGPS, Ggps1, GGs1, GgsA, GgsB, GGSP1, gps, HpGGPPS, HsGGPPS, IbGGPS, IdsA, isoprenyl diphosphate synthase, leaf-specific geranylgeranyl pyrophosphate synthase, More, PaxG, PfFPPS, PfGGPPS, Saci_0092, short-chain type-III GGPP, synthetase, geranylgeranyl pyrophosphate, TgFPPS, Tk-IdsA, trans-prenyl diphosphate synthase, type II geranylgeranyl diphosphate synthase, type-III geranylgeranyl pyrophosphate synthase, type-III GGPPS

ECTree

     2 Transferases
         2.5 Transferring alkyl or aryl groups, other than methyl groups
             2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
                2.5.1.29 geranylgeranyl diphosphate synthase

Metals Ions

Metals Ions on EC 2.5.1.29 - geranylgeranyl diphosphate synthase

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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Cu2+
about 5% of the activity with Mg2+
MgCl2
-
Km value 0.51 mM for isoform GGPPS1, 0.19 mM for isoform GGPPS2
Ni2+
the enzyme requires Mg2+ and is inactive in the absence of metal. Optimal concentration of Mg2+ is 0.1 mM. Co2+ and Mn2+ activate the synthesis of farnesyl diphosphat at lower concentrations (0.005-0.05 mM) than does Mg2+ (0.05-0.5 mM). The enzyme also utilizes Ca2+, Ni2+, and Zn2+ as cofactors, but only at low concentrations (0.001-0.05 mM)
additional information
-
monovalent cations at low concentrations, i.e. 50 mM, enhance activity, at high concentrations, i.e. 400 mM, they are inhibitory, except for K+