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2.5.1.1: dimethylallyltranstransferase

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

Word Map on EC 2.5.1.1

Reaction

dimethylallyl diphosphate
+
isopentenyl diphosphate
=
diphosphate
 +
geranyl diphosphate

Synonyms

(E)-geranyl diphosphate synthase, AnaPT, At4g36810, dimethylallyl transferase, ERG20, farnesyl diphosphate synthase, FgaPT2, FPPase, FPPS, FPPS2, geranyl diphosphate synthase, geranyl pyrophosphate synthase, geranylgeranyl pyrophosphate synthase, GGPPS11, GPP (C5) synthase, GPP synthase, GPP/FPP synthase, GPPS, HpGGPPS, IDS, IDS1, IDS2, IdsA, isoprenyl diphosphate synthase, PcIDS1, Rv0989c

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)
                2.5.1.1 dimethylallyltranstransferase

Natural Substrates Products

Natural Substrates Products on EC 2.5.1.1 - dimethylallyltranstransferase

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NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
(2E,6E)-farnesyl diphosphate + isopentenyl diphosphate
diphosphate + geranylgeranyl diphosphate
show the reaction diagram
reaction of EC 2.5.1.29, the enzyme catalyze the sequential head-to-tail addition of three C5 molecules of isopentenyl diphosphate to dimethylallyl diphosphate with the concomitant release of pyrophosphate. Under environmental stresses, Haematococcus pluvialis accumulates large amounts of carotenoids. Scale of carotenoid biosynthesis depends on availability of geranylgeranyl pyrophosphate precursor, which is supplied by GGPP synthase through sequential 1'-4 condensation of three isopentenyl pyrophosphates into dimethylallyl pyrophosphate
-
-
?
2 dimethylallyl diphosphate
diphosphate + chrysanthemyl diphosphate
show the reaction diagram
reaction of EC 2.5.1.67, chrysanthemyl diphosphate synthase is an inefficient promiscuous enzyme, which synthesizes the irregular monoterpenes chrysanthemyl diphosphate (CPP), lavandulyl diphosphate (LPP), and trace quantities of maconelliyl diphosphate (MPP) from two molecules of DMAPP, and couples IPP to DMAPP to give GPP
-
-
?
2 dimethylallyl diphosphate
diphosphate + lavandulyl diphosphate
show the reaction diagram
reaction of EC 2.5.1.69, chrysanthemyl diphosphate synthase is an inefficient promiscuous enzyme, which synthesizes the irregular monoterpenes chrysanthemyl diphosphate (CPP), lavandulyl diphosphate (LPP), and trace quantities of maconelliyl diphosphate (MPP) from two molecules of DMAPP, and couples IPP to DMAPP to give GPP
-
-
?
dimethylallyl diphosphate + 2 isopentenyl diphosphate
2 diphosphate + farnesyl diphosphate
show the reaction diagram
-
in the presence of Mg2+
-
?
dimethylallyl diphosphate + isopentenyl diphosphate
diphosphate + geranyl diphosphate
show the reaction diagram
diphosphate + geranyl diphosphate
dimethylallyl diphosphate + isopentenyl diphosphate
show the reaction diagram
geranyl diphosphate + isopentenyl diphosphate
diphosphate + (2E,6E)-farnesyl diphosphate
show the reaction diagram
additional information
?
-
-
in vitro, but not in vivo, enzyme shows additional geranylgeranyl diphosphate synthase activity, EC 2.5.1.29
-
-
?