KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.000077 | - |
NADP+ | - |
Catharanthus roseus | |
0.083 | - |
Geissoschizine | - |
Catharanthus roseus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
geissoschizine + NADP+ | Catharanthus roseus | involved in interconversion of heteroyohimbine alkaloids, the enzyme channels geissoschizine by a side reaction into the main pathway | 4,21-dehydrogeissoschizine + NADPH | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Catharanthus roseus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
partial | Catharanthus roseus |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
geissoschizine + NADP+ = 4,21-didehydrogeissoschizine + NADPH | removal of 21alpha-hydrogen takes place from the less hindered site | Catharanthus roseus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cell suspension culture | - |
Catharanthus roseus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.000168 | - |
- |
Catharanthus roseus |
Storage Stability | Organism |
---|---|
0°C, 14 days | Catharanthus roseus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
geissoschizine + NADP+ | structurally related indole alkaloids are not dehydrogenated | Catharanthus roseus | 4,21-dehydrogeissoschizine + NADPH | - |
? | |
geissoschizine + NADP+ | involved in interconversion of heteroyohimbine alkaloids, the enzyme channels geissoschizine by a side reaction into the main pathway | Catharanthus roseus | 4,21-dehydrogeissoschizine + NADPH | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
assay at | Catharanthus roseus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.6 | - |
- |
Catharanthus roseus |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5 | 8.5 | - |
Catharanthus roseus |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NADP+ | NAD+, FAD or FMN cannot act as cofactors | Catharanthus roseus |