Protein Variants | Comment | Organism |
---|---|---|
additional information | transgenic Arabidopsis thaliana plants overexpressing the AtZEP gene exhibit more vigorous growth under high salt and drought treatments than wild-type plants. In addition to enhanced de novo abscisic acid biosynthesis, they also exhibit much higher expression of the endogenous stress-responsive genes RD29A and Rab18 than wild-type plants under salt stress, and the stomatal aperture of the AtZEP-overexpressing plants is smaller than wild-type plants after exposure to light, overview | Arabidopsis thaliana |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
antheraxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2 | Arabidopsis thaliana | - |
violaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O | - |
? | |
additional information | Arabidopsis thaliana | the enzyme is important in the xanthophyll cycle and in abscisic acid biosynthesis, abscisic acid is a plant hormone and key molecule that regulates plant responses to abiotic stress, such as drought and salinity, and is required for stress tolerance, overexpression of ZEP leads to increased salt and rought tolerance in transgenic plants, overview | ? | - |
? | |
zeaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2 | Arabidopsis thaliana | - |
antheraxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arabidopsis thaliana | - |
- |
- |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
zeaxanthin, antheraxanthin, and violaxanthin contents in wild-type and enzyme-overexpressing mutant plants, overview | Arabidopsis thaliana |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
antheraxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2 | - |
Arabidopsis thaliana | violaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O | - |
? | |
additional information | the enzyme is important in the xanthophyll cycle and in abscisic acid biosynthesis, abscisic acid is a plant hormone and key molecule that regulates plant responses to abiotic stress, such as drought and salinity, and is required for stress tolerance, overexpression of ZEP leads to increased salt and rought tolerance in transgenic plants, overview | Arabidopsis thaliana | ? | - |
? | |
zeaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2 | - |
Arabidopsis thaliana | antheraxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O | - |
? |
Synonyms | Comment | Organism |
---|---|---|
ZEP | - |
Arabidopsis thaliana |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NADPH | - |
Arabidopsis thaliana |