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Literature summary extracted from
- Differential regulation of chlorophyll a oxygenase genes in rice (2005), Plant Mol. Biol., 57, 805-818.
Activating Compound
| EC Number | Activating Compound | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.14.13.122 | additional information | gene CAO1 is induced by light, gene CAO2 is down-regulated after exposure to light | Oryza sativa |
Protein Variants
| EC Number | Protein Variants | Comment | Organism |
|---|---|---|---|
| 1.14.13.122 | additional information | construction of CAO1 and CAO2 knockout mutants tagged by T-DNA or Tos-17, the CAO1 deficient mutant shows pale green leaves, the CAO2 deficient mutant show no altered leaf phenotype compared to the wild-type plants | Oryza sativa |
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.14.13.122 | additional information | gene CAO1 expression is reduced in the dark, while expression of gene CAO2 is induced | Oryza sativa |
Metals/Ions
| EC Number | Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.14.13.122 | Fe2+ | the enzyme contains a [2Fe-2S] Rieske cluster and a non-hem mononuclear iron-binding site, required for activity | Oryza sativa |  |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 1.14.13.122 | chlorophyllide a + O2 + NADPH + H+ | Oryza sativa | - |
chlorophyllide b + H2O + NADP+ | - |
? | |
| 1.14.13.122 | additional information | Oryza sativa | isozyme CAO1 is important in chlorophyll b biosynthesis | ? | - |
? | |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 1.14.13.122 | Oryza sativa | - |
genes CAO1 and CAO2 positioned in tandem | - |
Source Tissue
| EC Number | Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|---|
| 1.14.13.122 | additional information | CAO1 is expressed in photosynthetic tissue | Oryza sativa | - |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 1.14.13.122 | chlorophyllide a + O2 + NADPH + H+ | - |
Oryza sativa | chlorophyllide b + H2O + NADP+ | - |
? | |
| 1.14.13.122 | additional information | isozyme CAO1 is important in chlorophyll b biosynthesis | Oryza sativa | ? | - |
? | |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 1.14.13.122 | CAO | - |
Oryza sativa |
| 1.14.13.122 | chlorophyll a oxygenase | - |
Oryza sativa |
Cofactor
| EC Number | Cofactor | Comment | Organism | Structure |
|---|---|---|---|---|
| 1.14.13.122 | NADPH | - |
Oryza sativa | |
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Release 2023.1 (January 2023)
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