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Literature summary for 1.14.15.24 extracted from
- Conversion of beta-carotene into astaxanthin Two separate enzymes or a bifunctional hydroxylase-ketolase protein? (2008), Microb. Cell Fact., 7, 3 .
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| beta-carotene + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2 | Phaffia rhodozyma | the enzyme from the yeast Xanthophyllomyces dendrorhous is bifunctional and also catalyses the activity of beta-carotene 4-ketolase | zeaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O | - |
? |  |
| beta-carotene + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2 | Phaffia rhodozyma ATCC 96815 | the enzyme from the yeast Xanthophyllomyces dendrorhous is bifunctional and also catalyses the activity of beta-carotene 4-ketolase | zeaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Phaffia rhodozyma | - |
- |
- |
| Phaffia rhodozyma ATCC 96815 | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| beta-carotene + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2 | the enzyme from the yeast Xanthophyllomyces dendrorhous is bifunctional and also catalyses the activity of beta-carotene 4-ketolase | Phaffia rhodozyma | zeaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O | - |
? | |
| beta-carotene + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2 | the enzyme from the yeast Xanthophyllomyces dendrorhous is bifunctional and also catalyses the activity of beta-carotene 4-ketolase | Phaffia rhodozyma ATCC 96815 | zeaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| crtS | - |
Phaffia rhodozyma |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| cytochrome P450 | the enzyme is a cytochrome P450 monooxygenase | Phaffia rhodozyma |
General Information
| General Information | Comment | Organism |
|---|---|---|
| metabolism | the enzyme is involved in the conversion of beta-carotene into astaxanthin | Phaffia rhodozyma |
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Release 2023.1 (January 2023)
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