EC Number | General Stability | Organism |
---|---|---|
1.1.1.234 | freezing fresh flowers in liquid nitrogen and storing them at -80°C enhances extractable activity compared to fresh flowers | Sinningia cardinalis |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
1.1.1.234 | glycerol | 10% v/v, complete irreversible inactivation | Sinningia cardinalis | |
1.1.1.234 | additional information | no inhibition by KCN, EDTA, diethyl dithiocarbamate, phenanthroline or N-ethylmaleimide, 2 mM each | Sinningia cardinalis | |
1.1.1.234 | naringenin | above 0.1 mM | Sinningia cardinalis | |
1.1.1.234 | p-chloromercuribenzoate | 0.5 mM | Sinningia cardinalis | |
1.1.1.234 | sucrose | 20% w/v, complete irreversible inactivation | Sinningia cardinalis |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
1.1.1.234 | 0.021 | 0.023 | (2S)-naringenin | - |
Sinningia cardinalis |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.1.1.234 | (2S)-flavanone + NADPH | Sinningia cardinalis | involved in the biosynthesis of 3-deoxyanthocyanidines such as apigeninidin or luteolinidin, from (2S)-flavanones naringenin or eriodictyol | (2S)-flavan-4-ol + NADP+ | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
1.1.1.234 | Sinningia cardinalis | - |
syn. Rechsteineria cardinalis, strain " Feuerschein" | - |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
1.1.1.234 | flower | - |
Sinningia cardinalis | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
1.1.1.234 | 0.015 | - |
- |
Sinningia cardinalis |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
1.1.1.234 | (2S)-eriodictyol + NADPH | - |
Sinningia cardinalis | luteoforol + NADP+ | - |
? | |
1.1.1.234 | (2S)-flavanone + NADPH | involved in the biosynthesis of 3-deoxyanthocyanidines such as apigeninidin or luteolinidin, from (2S)-flavanones naringenin or eriodictyol | Sinningia cardinalis | (2S)-flavan-4-ol + NADP+ | - |
? | |
1.1.1.234 | (2S)-naringenin + NADPH + H+ | - |
Sinningia cardinalis | apiforol + NADP+ | - |
? | |
1.1.1.234 | 5,7,3',4',5'-pentahydroxyflavanone + NADPH | - |
Sinningia cardinalis | 5,7,3',4',5'-pentahydroxyflavan-4-ol + NADP+ | - |
? | |
1.1.1.234 | additional information | as dihydroxyflavonols, such as dihydrokaempferol, dihydroquercetin and dihydromyricetin are substrates for the Sinningia enzyme preparation, too, the enzyme might be identical with dihydroflavonol-4-reductase | Sinningia cardinalis | ? | - |
? |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
1.1.1.234 | 6 | - |
- |
Sinningia cardinalis |
EC Number | pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|---|
1.1.1.234 | 4.7 | 6.9 | about half-maximal activity at pH 4.7 and 6.9 | Sinningia cardinalis |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
1.1.1.234 | additional information | no cofactors are FAD, FMN or tetrahydropterin, with or without NADPH | Sinningia cardinalis | |
1.1.1.234 | NADH | 77% as active as NADPH | Sinningia cardinalis | |
1.1.1.234 | NADPH | required | Sinningia cardinalis |