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Literature summary for 2.5.1.20 extracted from

  • Kang, H.; Kang, M.Y.; Han, K.H.
    Identification of natural rubber and characterization of rubber biosynthetic activity in fig tree (2000), Plant Physiol., 123, 1133-1142.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 2.5.1.20

Activating Compound

Activating Compound Comment Organism Structure
EDTA approx. 3.5fold activation at 20 mM Ficus carica

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0028
-
 farnesyl diphosphate
-
 Ficus carica
0.228
-
 isopentenyl diphosphate
-
 Ficus carica

Localization

Localization Comment Organism GeneOntology No. Textmining
particle-bound
-
 Hevea brasiliensis
-
-
particle-bound associated with rubber particles Ficus carica
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required for activity Hevea brasiliensis
Mg2+ required for activity Ficus carica
Mg2+ maximal activity at 1 mM, inhibition above 10 mM Ficus carica
Mg2+ maximal activity at 2 mM, inhibition above 10 mM Hevea brasiliensis

Organism

Organism UniProt Comment Textmining
Ficus carica
-
-
-
Hevea brasiliensis
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
latex
-
 Hevea brasiliensis
-
latex associated with rubber particles Ficus carica
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
isopentenyl diphosphate + cis-1,4-polyisoprene
-
 Hevea brasiliensis diphosphate + a poly-cis-polyprenyl diphosphate longer by one C5 unit
-
 ?
isopentenyl diphosphate + cis-1,4-polyisoprene
-
 Ficus carica diphosphate + a poly-cis-polyprenyl diphosphate longer by one C5 unit
-
 ?
isopentenyl diphosphate + farnesyl diphosphate + cis-1,4-polyisoprene an allylic diphosphate e.g. farnesyl diphosphate is required to initiate the biosynthesis of new rubber molecules Hevea brasiliensis diphosphate + a poly-cis-polyprenyl diphosphate longer by one C5 unit
-
 ?
isopentenyl diphosphate + farnesyl diphosphate + cis-1,4-polyisoprene an allylic diphosphate e.g. farnesyl diphosphate is required to initiate the biosynthesis of new rubber molecules Ficus carica diphosphate + a poly-cis-polyprenyl diphosphate longer by one C5 unit
-
 ?