crtW, BKT
K09836 crtW, BKT; beta-carotene/zeaxanthin 4-ketolase [EC:1.14.99.63 1.14.99.64]
Protein Function: beta-carotene/zeaxanthin 4-ketolase [EC:1.14.99.63 1.14.99.64]
DBLinks
- KEGG: K09836
- EC Number: 1.14.99.63
- EC Number: 1.14.99.64
Proteins
| protein id | name | function | taxonomy source |
|---|
Reactions
| reaction id | name | note |
|---|---|---|
| KEGG:R05345 | beta-carotene,donor:oxygen oxidoreductase (echinenone-forming) | beta-Carotene + 2 Reduced acceptor + 2 Oxygen <=> Echinenone + 2 Acceptor + 3 H2O |
| KEGG:R07563 | echinenone,donor:oxygen oxidoreductase (canthaxanthin-forming) | Echinenone + 2 Reduced acceptor + 2 Oxygen <=> Canthaxanthin + 2 Acceptor + 3 H2O |
| KEGG:R07564 | beta-cryptoxanthin,donor:oxygen oxidoreductase (3'-hydroxyechinenone-forming) | beta-carotene ketolase(crtW) |
| KEGG:R07567 | 3-hydroxyechinenone,donor:oxygen oxidoreductase (phoenicoxanthin-forming) | beta-carotene ketolase(crtW) |
| Rhea:RHEA:55661 | all-trans-β-carotene + 2 AH2 + 2 O2 => echinenone + 2 A + 3 H2O | Multi-step reaction: RHEA:56724 and RHEA:56728 and RHEA:56732. |
| Rhea:RHEA:55662 | echinenone + 2 A + 3 H2O => all-trans-β-carotene + 2 AH2 + 2 O2 | Multi-step reaction: RHEA:56724 and RHEA:56728 and RHEA:56732. |
| Rhea:RHEA:55663 | all-trans-β-carotene + 2 AH2 + 2 O2 <=> echinenone + 2 A + 3 H2O | Multi-step reaction: RHEA:56724 and RHEA:56728 and RHEA:56732. |
| Rhea:RHEA:55665 | echinenone + 2 AH2 + 2 O2 => canthaxanthin + 2 A + 3 H2O | Multi-step reaction: RHEA:26164 and RHEA:45268 and RHEA:48268. |
| Rhea:RHEA:55666 | canthaxanthin + 2 A + 3 H2O => echinenone + 2 AH2 + 2 O2 | Multi-step reaction: RHEA:26164 and RHEA:45268 and RHEA:48268. |
| Rhea:RHEA:55667 | echinenone + 2 AH2 + 2 O2 <=> canthaxanthin + 2 A + 3 H2O | Multi-step reaction: RHEA:26164 and RHEA:45268 and RHEA:48268. |