EC Number   |
Substrates |
Organism |
Products |
Reversibility |
|---|
  4.2.3.B25 | (+)-copalyl diphosphate |
monofunctional class I enzyme that lacks functional class II active site |
Pinus banksiana |
isopimara-8(14),15-diene + diphosphate |
products are 88% isopimaradiene and 12% sandaracopimaradiene |
? |
| 4.2.3.B25 | (+)-copalyl diphosphate |
monofunctional class I enzyme that lacks functional class II active site |
Pinus contorta |
isopimara-8(14),15-diene + diphosphate |
products are 90% isopimaradiene and up to 10% sandaracopimaradiene |
? |
| 4.2.3.B25 | copalyl diphosphate |
the enzyme uses the normal configuration of copalyl diphosphate, not syn- or ent-copalyl diphosphate |
Oryza sativa |
(13alpha)-isopimara-8(14),15-diene + diphosphate |
i.e. sandaracopimaradiene, sole product |
? |
| 4.2.3.B25 | copalyl diphosphate |
- |
Abies balsamea |
isopimara-8(14),15-diene + diphosphate |
single product |
? |
| 4.2.3.B25 | more |
enzyme additionally catalyzes the reaction of EC 4.2.3.34, stemod-13(17)-ene synthase and also accepts syn-copalyl diphosphate as substrate |
Oryza sativa |
? |
- |
? |
| 4.2.3.B25 | more |
bifunctional enzyme that catalyzes two sequential cyclizations of geranylgeranyl diphosphate to isopimara-7,15-diene |
Abies balsamea |
? |
- |
? |
| 4.2.3.B25 | more |
no substrate: geranylgeranyl diphosphate |
Pinus banksiana |
? |
- |
? |
| 4.2.3.B25 | more |
no substrate: geranylgeranyl diphosphate |
Pinus contorta |
? |
- |
? |
