Activating Compound | Comment | Organism | Structure |
---|---|---|---|
bovine serum albumin | stimulates | Petroselinum crispum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
(NH4)2SO4 | weak | Petroselinum crispum | |
ethylene monomethylether | - |
Petroselinum crispum | |
Tris-HCl | in 1 M Tris-HCl buffer the reaction rate is 70% of that observed in 0.1 M buffer | Petroselinum crispum | |
UDP | weak | Petroselinum crispum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0015 | - |
luteolin | - |
Petroselinum crispum | |
0.0027 | - |
apigenin | - |
Petroselinum crispum | |
0.01 | - |
naringenin | - |
Petroselinum crispum | |
0.12 | - |
UDPglucose | reaction with apigenin | Petroselinum crispum | |
0.26 | - |
TDPglucose | reaction with apigenin | Petroselinum crispum |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
soluble | - |
Petroselinum crispum | - |
- |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
50000 | - |
gel filtration | Petroselinum crispum |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
UDP-glucose + 3',4',5,7-tetrahydroxyflavone | Petroselinum crispum | involved in biosynthesis of flavone glucosides | UDP + 7-O-beta-D-glucosyl-3',4',5,7-tetrahydroxyflavone | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Petroselinum crispum | - |
- |
- |
Purification (Comment) | Organism |
---|---|
partial | Petroselinum crispum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cell suspension culture | extractable activity is drastically increased by illuminating the cells with white light and the maximum activity is reached 24 h after the onset of illumination | Petroselinum crispum | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.401 | - |
- |
Petroselinum crispum |
Storage Stability | Organism |
---|---|
3°C, t1/2: 1 month in 0.05 M Tris-HCl buffer, pH 7.5, 7 mM 2-mercaptoethanol | Petroselinum crispum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
TDP-glucose + luteolin | - |
Petroselinum crispum | TDP + 7-O-beta-D-glucosylluteolin | - |
? | |
UDP-alpha-D-glucose + 3,7,4'-trihydroxyflavone | 9% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosyl-3,7,4'-trihydroxyflavone | - |
? | |
UDP-alpha-D-glucose + 5,7-dihydroxyflavanone | 15% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosyl-5,7-dihydroxyflavanone | - |
? | |
UDP-alpha-D-glucose + 7,4'-dihydroxyflavone | 20% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosyl-7,4'-dihydroxyflavone | - |
? | |
UDP-alpha-D-glucose + acacetin | 24% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosylacacetin | - |
? | |
UDP-alpha-D-glucose + apigenin | - |
Petroselinum crispum | UDP + 7-O-beta-D-glucosylapigenin | - |
? | |
UDP-alpha-D-glucose + chrysoeriol | 63% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosylchrysoeriol | - |
? | |
UDP-alpha-D-glucose + datiscetin | 9% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosyldatiscetin | - |
? | |
UDP-alpha-D-glucose + fisetin | 14% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosylfisetin | - |
? | |
UDP-alpha-D-glucose + galangin | 9% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosylgalangin | - |
? | |
UDP-alpha-D-glucose + kaempferid | 16% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosylkaempferid | - |
? | |
UDP-alpha-D-glucose + kaempferol | 11% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosylkaempferol | - |
? | |
UDP-alpha-D-glucose + luteolin | 210% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosylluteolin | - |
? | |
UDP-alpha-D-glucose + naringenin | 45% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosylnaringenin | - |
? | |
UDP-alpha-D-glucose + quercetin | 16% of the activity with apigenin | Petroselinum crispum | UDP + 7-O-beta-D-glucosylquercetin | - |
? | |
UDP-glucose + 3',4',5,7-tetrahydroxyflavone | involved in biosynthesis of flavone glucosides | Petroselinum crispum | UDP + 7-O-beta-D-glucosyl-3',4',5,7-tetrahydroxyflavone | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.5 | - |
- |
Petroselinum crispum |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6 | 9 | pH 6.0: about 35% of maximal activity, pH 9.0: about 50% of maximal activity | Petroselinum crispum |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
rapid loss of activity below | Petroselinum crispum |
7.5 | 8.5 | most stable | Petroselinum crispum |
9.5 | - |
above, rapid loss of activity above | Petroselinum crispum |