Activating Compound | Comment | Organism | Structure |
---|---|---|---|
neryl diphosphate | accelerates activity | Hevea brasiliensis | |
sulfhydryl compound | essential for full activity | Hevea brasiliensis |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
EDTA | 50 mM, strong inhibition | Hevea brasiliensis | |
farnesyl diphosphate | - |
Hevea brasiliensis | |
iodoacetamide | - |
Hevea brasiliensis | |
N-ethylmaleimide | - |
Hevea brasiliensis | |
p-chloromercuribenzoate | 50 mM, strong inhibition | Hevea brasiliensis |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | magnesium compounds essential for full activity, cannot be replaced by manganese, cobalt or iron | Hevea brasiliensis |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
60000 | - |
gel filtration | Hevea brasiliensis |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
isopentenyl diphosphate + cis-1,4-polyisoprene | Hevea brasiliensis | incorporation of isopentenyl diphosphate into rubber | diphosphate + a poly-cis-polyprenyl diphosphate longer by one C5 unit | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Hevea brasiliensis | - |
- |
- |
Purification (Comment) | Organism |
---|---|
pH 5.4, ammonium sulfate, Sephadex G-100, DEAE-Sephadex, partial purification | Hevea brasiliensis |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
latex | - |
Hevea brasiliensis | - |
leaf | - |
Hevea brasiliensis | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
isopentenyl diphosphate + cis-1,4-polyisoprene | strictly stereospecific, yields exclusively cis-polyisoprene from isopentenyl diphosphate | Hevea brasiliensis | diphosphate + a poly-cis-polyprenyl diphosphate longer by one C5 unit | - |
? | |
isopentenyl diphosphate + cis-1,4-polyisoprene | of rubber particles | Hevea brasiliensis | diphosphate + a poly-cis-polyprenyl diphosphate longer by one C5 unit | - |
? | |
isopentenyl diphosphate + cis-1,4-polyisoprene | incorporation of isopentenyl diphosphate into rubber | Hevea brasiliensis | diphosphate + a poly-cis-polyprenyl diphosphate longer by one C5 unit | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
assay at | Hevea brasiliensis |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
10 min, partial denaturation | Hevea brasiliensis |
60 | - |
10 min, complete inactivation | Hevea brasiliensis |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
additional information | ascorbic acid is not cofactor | Hevea brasiliensis |