KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0016 | - |
antheraxanthin | pH 5.2, 29°C | Spinacia oleracea | |
0.0033 | - |
violaxanthin | pH 5.2, 29°C | Spinacia oleracea | |
0.0033 | - |
violaxanthin | pH 5.2, 29°C | Mantoniella squamata | |
0.006 | - |
antheraxanthin | pH 5.2, 29°C | Mantoniella squamata |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
antheraxanthin + ascorbate | Spinacia oleracea | - |
zeaxanthin + dehydroascorbate + H2O | - |
? | |
antheraxanthin + ascorbate | Mantoniella squamata | the violaxanthin/antheraxanthin cycle in Mantionella is caused by the interaction of the slow second de-epoxidation step and the relatively fast epoxidation of antheraxanthin to violaxanthin | zeaxanthin + dehydroascorbate + H2O | - |
? | |
violaxanthin + ascorbate | Spinacia oleracea | - |
antheraxanthin + dehydroascorbate + H2O | - |
? | |
violaxanthin + ascorbate | Mantoniella squamata | - |
antheraxanthin + dehydroascorbate + H2O | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Mantoniella squamata | - |
- |
- |
Spinacia oleracea | - |
- |
- |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
antheraxanthin + L-ascorbate = zeaxanthin + L-dehydroascorbate + H2O | - |
Mantoniella squamata | |
violaxanthin + L-ascorbate = antheraxanthin + L-dehydroascorbate + H2O | (1a) | Mantoniella squamata |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | - |
Spinacia oleracea | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
antheraxanthin + ascorbate | - |
Spinacia oleracea | zeaxanthin + dehydroascorbate + H2O | - |
? | |
antheraxanthin + ascorbate | the violaxanthin/antheraxanthin cycle in Mantionella is caused by the interaction of the slow second de-epoxidation step and the relatively fast epoxidation of antheraxanthin to violaxanthin | Mantoniella squamata | zeaxanthin + dehydroascorbate + H2O | - |
? | |
violaxanthin + ascorbate | - |
Spinacia oleracea | antheraxanthin + dehydroascorbate + H2O | - |
? | |
violaxanthin + ascorbate | - |
Mantoniella squamata | antheraxanthin + dehydroascorbate + H2O | - |
? |
Synonyms | Comment | Organism |
---|---|---|
VDE | - |
Mantoniella squamata |