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Literature summary extracted from

  • Wang, N.; Fang, W.; Han, H.; Sui, N.; Li, B.; Meng, Q.W.
    Overexpression of zeaxanthin epoxidase gene enhances the sensitivity of tomato PSII photoinhibition to high light and chilling stress (2008), Physiol. Plant., 132, 384-396.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.14.15.21 additional information the enzyme expression is induced at he beginning of the light period Solanum lycopersicum

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.14.15.21 gene LeZE, DNA and amino acid sequence determination and analysis, expression analysis, mRNA accumulation of LeZE in the wild-type is not induced by light and temperature but regulated by the diurnal rhythm, expression in transgenic tomato plants via Agrobacterium tumefaciens strain LBA4404 transfection using the 35S-CaMV promoter Solanum lycopersicum

Protein Variants

EC Number Protein Variants Comment Organism
1.14.15.21 additional information overexpression of the zeaxanthin epoxidase gene enhances the sensitivity of tomato PSII photoinhibition to high light and chilling stress, overview Solanum lycopersicum

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.14.15.21 additional information chilling stress under low irradiance and high light increase the de-epoxidation of xanthophyll cycle pigments, transgenic enzyme-overexpressing plants show enhanced PSII photoinhibition to high light and chilling stress Solanum lycopersicum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.14.15.21 chloroplast
-
 Solanum lycopersicum 9507
-
1.14.15.21 thylakoid membrane stromal side of the chloroplast thylakoid membrane Solanum lycopersicum 42651
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.14.15.21 73000
-
 x * 73000, about, sequence calculation Solanum lycopersicum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.15.21 additional information Solanum lycopersicum wild-type enzyme expression is not induced by light and temperature but regulated by the diurnal rhythm, overview ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.14.15.21 Solanum lycopersicum A5JV19 precurosr; cv. Zhongshu 4
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.15.21 calyx constitutive Solanum lycopersicum
-
1.14.15.21 flower lower enzyme level, constitutive Solanum lycopersicum
-
1.14.15.21 fruit lower enzyme level, constitutive Solanum lycopersicum
-
1.14.15.21 leaf constitutive expression, higher in young leaves compared to old ones Solanum lycopersicum
-
1.14.15.21 root lower enzyme level, constitutive Solanum lycopersicum
-
1.14.15.21 stem constitutive Solanum lycopersicum
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.15.21 additional information wild-type enzyme expression is not induced by light and temperature but regulated by the diurnal rhythm, overview Solanum lycopersicum ?
-
 ?

Subunits

EC Number Subunits Comment Organism
1.14.15.21 ? x * 73000, about, sequence calculation Solanum lycopersicum

Synonyms

EC Number Synonyms Comment Organism
1.14.15.21 More zeaxanthin epoxidase is a member of the lipocalin family, monooxygenases epoxidizing 3-hydroxy beta-ionone ring of xanthophylls in the 5,6 position Solanum lycopersicum