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Literature summary extracted from

  • Galpaz, N.; Wang, Q.; Menda, N.; Zamir, D.; Hirschberg, J.
    Abscisic acid deficiency in the tomato mutant high-pigment 3 leading to increased plastid number and higher fruit lycopene content (2008), Plant J., 53, 717-730.
    View publication on PubMed

Protein Variants

EC Number Protein Variants Comment Organism
1.14.15.21 additional information isolation and analysis of a naturally occuring tomato zeaxanthin epoxidase mutant, high-pigment 3 or hp3, that accumulates 30% more carotenoids in the mature fruit than the wild-type, and higher concentrations of carotenoids and chlorophyll in leaves and the pericarp of green fruit, leaves of the mutant lack violaxanthin and neoxanthin, and flowers contain only minute quantities of these xanthophylls, the abscisic acid content is reduced by 75%, which leads to enlargement of the plastid compartment size, probably by increasing plastid division, thus enabling greater biosynthesis and a higher storage capacity of the pigments, phenotype, overview Solanum lycopersicum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.14.15.21 chloroplast
-
 Solanum lycopersicum 9507
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.15.21 antheraxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2 Solanum lycopersicum
-
 violaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
-
 ?
1.14.15.21 additional information Solanum lycopersicum xanthophyll and abscisisc acid biosynthesis pathway, overview ?
-
 ?
1.14.15.21 zeaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2 Solanum lycopersicum
-
 antheraxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.14.15.21 Solanum lycopersicum A5JV19 i.e. Solanum lycopersicum
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.15.21 flower
-
 Solanum lycopersicum
-
1.14.15.21 leaf
-
 Solanum lycopersicum
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.15.21 antheraxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2
-
 Solanum lycopersicum violaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
-
 ?
1.14.15.21 additional information xanthophyll and abscisisc acid biosynthesis pathway, overview Solanum lycopersicum ?
-
 ?
1.14.15.21 zeaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2
-
 Solanum lycopersicum antheraxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
-
 ?

Cofactor

EC Number Cofactor Comment Organism Structure
1.14.15.21 NADPH
-
 Solanum lycopersicum