Protein Variants | Comment | Organism |
---|---|---|
N141A | mutation modifies the preference of DFRa for dihydroquercetin and dihydromyricetin, and also weakens its stability | Camellia sinensis |
N141D | mutation modifies the preference of DFRa for dihydroquercetin and dihydromyricetin, and also weakens its stability | Camellia sinensis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.008 | - |
(+)-dihydroquercetin | wild-type, pH 7.2, 37°C | Camellia sinensis | |
0.037 | - |
(+)-dihydromyricetin | mutant N141D, pH 7.2, 37°C | Camellia sinensis | |
0.043 | - |
(+)-dihydromyricetin | wild-type, pH 7.2, 37°C | Camellia sinensis | |
0.088 | - |
(+)-dihydroquercetin | mutant N141A, pH 7.2, 37°C | Camellia sinensis | |
0.091 | - |
(+)-dihydromyricetin | mutant N141A, pH 7.2, 37°C | Camellia sinensis | |
0.252 | - |
(+)-dihydroquercetin | mutant N141D, pH 7.2, 37°C | Camellia sinensis | |
0.398 | - |
(+)-dihydrokaempferol | mutant N141A, pH 7.2, 37°C | Camellia sinensis | |
0.539 | - |
(+)-dihydrokaempferol | wild-type, pH 7.2, 37°C | Camellia sinensis |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytoplasm | - |
Camellia sinensis | 5737 | - |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Camellia sinensis | Q9S787 | isoform DFRa | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
(+)-dihydrokaempferol + NADPH + H+ | - |
Camellia sinensis | cis-3,4-leucopelargonidin + NADP+ | - |
? | |
(+)-dihydromyricetin + NADPH + H+ | - |
Camellia sinensis | cis-3,4-leucodelphinidin + NADP+ | - |
? | |
(+)-dihydroquercetin + NADPH + H+ | - |
Camellia sinensis | cis-3,4-leucocyanidin + NADP+ | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 38000, calculated from sequence | Camellia sinensis |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
45 | - |
30 min, loss of activity | Camellia sinensis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
- |
Camellia sinensis |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
4 | - |
less than 10% residual activity | Camellia sinensis |
Organism | Comment | pI Value Maximum | pI Value |
---|---|---|---|
Camellia sinensis | calculated from sequence | - |
5.7 |