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Literature summary extracted from

  • Tanaka, R.; Koshino, Y.; Sawa, S.; Ishiguro, S.; Okada, K.; Tanaka, A.
    Overexpression of chlorophyllide a oxygenase (CAO) enlarges the antenna size of photosystem II in Arabidopsis thaliana (2001), Plant J., 26, 365-373.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.14.13.122 overexpression of the enzyme in Arabidopsis thaliana plants Arabidopsis thaliana

Protein Variants

EC Number Protein Variants Comment Organism
1.14.13.122 additional information construction of transgenic plants functionally overexpressing the enzyme under control of the 35S CaMV promoter leading to 10-20% enlarged antenna size of photosystem II Arabidopsis thaliana

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.14.13.122 chloroplast
-
Arabidopsis thaliana 9507
-
1.14.13.122 thylakoid membrane
-
Arabidopsis thaliana 42651
-

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 chlorophyll b synthesis is involved in regulation of photosystem II antenna size via chlorophyll b content in the light-harvesting complex II ?
-
?

Organism

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

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.13.122 leaf low activity in etiolated leaves, higher activity in green mature leaves Arabidopsis thaliana
-
1.14.13.122 additional information wild-type enzyme expression begins in de-etiolation phase 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 chlorophyll b synthesis is involved in regulation of photosystem II antenna size via chlorophyll b content in the light-harvesting complex II 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