Activating Compound | Comment | Organism | Structure |
---|---|---|---|
2-mercaptoethanol | protects enzyme from inhibition | Citrus sp. |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
(+)-limonene | 100% inhibition at 0.488 mM | Citrus sp. | |
8-hydroxyquinoline | 50% decrease at 0.67 mM | Citrus sp. | |
alpha,alpha'-dipyridyl | 50% inhibition at 25 mM | Citrus sp. | |
alpha-terpineol | about 55% inhibition at 0.56 mM | Citrus sp. | |
EDTA | 50% inhibition at 67.7 mM | Citrus sp. | |
iodoacetamide | - |
Citrus sp. | |
linalool | about 55% inhibition at 1.12 mM | Citrus sp. | |
o-phenanthroline | 50% inhibition at 16.7 mM | Citrus sp. | |
oxidized glutathione | reaction completely stopped at 3.333 mM | Citrus sp. | |
Sodium azide | 50% inhibition at 83 mM | Citrus sp. | |
Zn2+ | 50% inhibition 1.67 mM | Citrus sp. |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0465 | - |
geraniol | pH 9.0 | Citrus sp. | |
0.0833 | - |
geraniol | pH 7.0 | Citrus sp. | |
0.454 | - |
NADP+ | pH 9.0 | Citrus sp. | |
0.83 | - |
NADP+ | pH 7.0 | Citrus sp. |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Zn2+ | suggested to be part of the enzyme | Citrus sp. |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
92000 | - |
estimation, gel filtration | Citrus sp. |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
geraniol + NADP+ | Citrus sp. | key intermediate in terpenoid biosynthesis | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Citrus sp. | - |
orange | - |
Purification (Comment) | Organism |
---|---|
partially, ammonium sulfate fractionation, gel filtration, anion exchange chromatography | Citrus sp. |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
fruit | - |
Citrus sp. | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
nerol shows 60% of the rate with geraniol, farnesol about 11% and citronellol 8% | Citrus sp. |
0.203 | - |
- |
Citrus sp. |
Storage Stability | Organism |
---|---|
-19°C, dialyzed, rapid loss of activity | Citrus sp. |
-96°C, undialyzed ammonium sulfate fraction, 6 months, quite active | Citrus sp. |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
citronellol + NADP+ | - |
Citrus sp. | citronellal + NADPH | - |
? | |
farnesol + NADP+ | - |
Citrus sp. | farnesal + NADPH | - |
? | |
geraniol + NADP+ | - |
Citrus sp. | geranial + NADPH | - |
r | |
geraniol + NADP+ | key intermediate in terpenoid biosynthesis | Citrus sp. | ? | - |
? | |
additional information | nerol, farnesol and citronellol are oxidized at slower rates | Citrus sp. | ? | - |
? | |
nerol + NADP+ | - |
Citrus sp. | neral + NADPH + H+ | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
geranial reduction | Citrus sp. |
9 | - |
geraniol oxidation | Citrus sp. |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5 | 10 | below 5 complete and irreversible inactivation after 5 min | Citrus sp. |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
5 | 10 | below pH 5 complete and irreversible inactivation after 5 min | Citrus sp. |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
additional information | NAD+ is ineffective | Citrus sp. | |
NADP+ | - |
Citrus sp. | |
NADPH | - |
Citrus sp. |