Information on EC 3.1.7.3 - monoterpenyl-diphosphatase

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The expected taxonomic range for this enzyme is: Salvia officinalis

EC NUMBER
COMMENTARY hide
3.1.7.3
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RECOMMENDED NAME
GeneOntology No.
monoterpenyl-diphosphatase
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
a monoterpenyl diphosphate + H2O = a monoterpenol + diphosphate
show the reaction diagram
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
hydrolysis of phosphoric ester
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PATHWAY
BRENDA Link
KEGG Link
MetaCyc Link
Biosynthesis of antibiotics
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Biosynthesis of secondary metabolites
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Metabolic pathways
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Monoterpenoid biosynthesis
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SYSTEMATIC NAME
IUBMB Comments
monoterpenyl-diphosphate diphosphohydrolase
A group of enzymes with varying specificity for the monoterpenol moiety. One has the highest activity on sterically hindered compounds such as (+)-bornyl diphosphate; another has highest activity on the diphosphates of primary allylic alcohols such as geraniol.
CAS REGISTRY NUMBER
COMMENTARY hide
72668-82-7
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ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
sage
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Manually annotated by BRENDA team
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
D-bornyl-diphosphate + H2O
?
show the reaction diagram
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camphor biosynthesis
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D-bornyl-diphosphate + H2O
D-borneol + diphosphate
show the reaction diagram
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-
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?
D-bornyl-phosphate + H2O
D-borneol + phosphate
show the reaction diagram
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-
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?
geranyl-diphosphate + H2O
?
show the reaction diagram
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acyclic precursor of camphor
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geranyl-diphosphate + H2O
geraniol + diphosphate
show the reaction diagram
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preference for geranyl-ester for 65 kDa BPP hydrolase
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?
neryl-diphosphate + H2O
nerol + diphosphate
show the reaction diagram
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?
NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
D-bornyl-diphosphate + H2O
?
show the reaction diagram
-
camphor biosynthesis
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geranyl-diphosphate + H2O
?
show the reaction diagram
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acyclic precursor of camphor
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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Mg2+
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slight stimulation at 10 mM
INHIBITORS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
diisopropylfluorophosphate
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IC50: 0.8 for 65 kDa BPP hydrolase
diphosphate
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IC50: 0.6 for 65 kDa BPP hydrolase, 2.5 for 20 kDa BPP hydrolase
F-
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IC50: 0.7 mM for 65 kDa BPP hydrolase, 15.5 mM for 20 kDa BPP hydrolase
Mn2+
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IC50: 0.1 mM for 65 kDa BPP hydrolase, 15.0 mM for 20 kDa BPP hydrolase
phosphate
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IC50: 10.5 mM for 65 kDa BPP hydrolase, 4.3 for 20 kDa BPP hydrolase
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.023 - 0.12
D-bornyl-diphosphate
IC50 VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.8
diisopropylfluorophosphate
Salvia officinalis
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IC50: 0.8 mM for 65 kDa BPP hydrolase
0.6 - 2.5
diphosphate
0.7
F-
Salvia officinalis
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IC50: 0.7 mM for 65 kDa BPP hydrolase, 15.5 mM for 20 kDa BPP hydrolase
0.1
Mn2+
Salvia officinalis
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IC50: 0.1 mM for 65 kDa BPP hydrolase, 15.0 mM for 20 kDa BPP hydrolase
10.5
phosphate
Salvia officinalis
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IC50: 10.5 mM for 65 kDa BPP hydrolase, 4.3 for 20 kDa BPP hydrolase
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
3.5
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65 kDa BPP hydrolase
7.6
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20 kDa BPP hydrolase
pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
2.5 - 4.5
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65 kDa BPP hydrolase, 33% of maximum activity above pH 4.5 and below pH 2.5
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
20000
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gel filtration, activity on bornyl-diphosphate and bornyl-monophosphate
65000
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gel filtration
STORAGE STABILITY
ORGANISM
UNIPROT
LITERATURE
0°C, 100 mM Tris-maleate pH 7.0, one week, 50% loss of activity for 20 kDa BPP hydrolase
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0°C, 100 mM Tris-maleate pH 7.0, one week, less than 15% loss of activity for 65 kDa BPP hydrolase
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Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
first step: gel filtration, second step: hydroxylapatite chromatography
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