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Literature summary extracted from

  • Tanaka, R.; Tanaka, A.
    Effects of chlorophyllide a oxygenase overexpression on light acclimation in Arabidopsis thaliana (2005), Photosynth. Res., 85, 327-340.
    View publication on PubMed

Protein Variants

EC Number Protein Variants Comment Organism
1.14.13.122 additional information transgenic enzyme-overexpressing plants show accumulation of light-harvesting complexes and reduced beta-carotene levels compared to wild-type plants, while it is increased in enzyme-deficient chlorina-1 mutant plants, in overexpressing plants the chlorophyll a/b ratio remains low under high-light conditions in contrast to wild-type plants Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.13.122 7-hydroxychlorophyllide a + O2 + NADPH Arabidopsis thaliana
-
 chlorophyllide b + H2O + NADP+
-
 ?
1.14.13.122 chlorophyllide a + O2 + NADPH + H+ Arabidopsis thaliana
-
 7-hydroxychlorophyllide a + H2O + NADP+
-
 ?
1.14.13.122 additional information Arabidopsis thaliana land plants change the compositions of light-harvesting complexes and chlorophyll a/b ratios in response to the variable light environments which they encounter, and the enzyme is part of the regulatory mechanism, overview ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.14.13.122 Arabidopsis thaliana
-
 ecotype Columbia
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.14.13.122 additional information
-
 expression analysis and chlorophyll a/b ratios under various light conditions Arabidopsis thaliana

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.13.122 7-hydroxychlorophyllide a + O2 + NADPH
-
 Arabidopsis thaliana chlorophyllide b + H2O + NADP+
-
 ?
1.14.13.122 chlorophyllide a + O2 + NADPH + H+
-
 Arabidopsis thaliana 7-hydroxychlorophyllide a + H2O + NADP+
-
 ?
1.14.13.122 additional information land plants change the compositions of light-harvesting complexes and chlorophyll a/b ratios in response to the variable light environments which they encounter, and the enzyme is part of the regulatory mechanism, overview Arabidopsis thaliana ?
-
 ?
1.14.13.122 additional information expression analysis and chlorophyll a/b ratios under various light conditions Arabidopsis thaliana ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.14.13.122 CAO
-
 Arabidopsis thaliana

Cofactor

EC Number Cofactor Comment Organism Structure
1.14.13.122 NADPH
-
 Arabidopsis thaliana