EC Number | Activating Compound | Comment | Organism | Structure |
---|---|---|---|---|
2.4.2.25 | dithioerythritol | stimulates enzyme activity up to 35%, optimum concentration: 6 mM | Petroselinum crispum |
EC Number | General Stability | Organism |
---|---|---|
2.4.2.25 | albumin, 0.1 mg, significant stabilization | Petroselinum crispum |
2.4.2.25 | solution of enzyme after hydroxylapatite chromatography in sodium phosphate buffer, pH 7.0, rapidly loses activity upon freezing | Petroselinum crispum |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
2.4.2.25 | apigenin-7-glucoside | - |
Petroselinum crispum | |
2.4.2.25 | apiin | - |
Petroselinum crispum | |
2.4.2.25 | Ca2+ | - |
Petroselinum crispum | |
2.4.2.25 | Chrysoeriol-7-glucoside | - |
Petroselinum crispum | |
2.4.2.25 | Co2+ | - |
Petroselinum crispum | |
2.4.2.25 | iodoacetamide | at 1 mM causes an inhibition of 55%, reversed by cysteine | Petroselinum crispum | |
2.4.2.25 | Mg2+ | - |
Petroselinum crispum | |
2.4.2.25 | Mn2+ | - |
Petroselinum crispum | |
2.4.2.25 | additional information | no effect: EDTA, NH4+, K+ | Petroselinum crispum | |
2.4.2.25 | p-chloromercuribenzoate | at 1 mM inhibits the reaction completely | Petroselinum crispum | |
2.4.2.25 | UDP | - |
Petroselinum crispum |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.4.2.25 | 0.066 | - |
apigenin-7-glucoside | - |
Petroselinum crispum |
EC Number | Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|---|
2.4.2.25 | soluble | - |
Petroselinum crispum | - |
- |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
2.4.2.25 | 50000 | - |
gel filtration | Petroselinum crispum |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.4.2.25 | UDPapiose + 7-O-(beta-D-glucosyl)-apigenin | Petroselinum crispum | biosynthesis of apiin | ? | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.4.2.25 | Petroselinum crispum | - |
- |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
2.4.2.25 | purified 123fold by protamine sulfate and ammonium sulfate precipitation and chromatography on DEAE-cellulose, SephadexG-100 and hydroxylapatite | Petroselinum crispum |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
2.4.2.25 | cell suspension culture | - |
Petroselinum crispum | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
2.4.2.25 | additional information | - |
- |
Petroselinum crispum |
EC Number | Storage Stability | Organism |
---|---|---|
2.4.2.25 | -20°C, Tris-HCl, dithiothreitol, protein concentration 0.5-1 mg/ml | Petroselinum crispum |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.4.2.25 | additional information | overview: 7-O-beta-glucosides of a number of flavonoids and of 4-substituted phenols can act as acceptors, not: flavonol-3-glucoside, flavonol-7-glucoside, apigenin-8-C-glucoside, aglycones of flavonoids, glucose | Petroselinum crispum | ? | - |
? | |
2.4.2.25 | UDPapiose + 7-O-(beta-D-glucosyl)-apigenin | specific for UDPapiose as glycosyl donor | Petroselinum crispum | UDP + 7-O-beta-D-apiofuranosyl-1,2-beta-D-glucosyl-apigenin | i.e. apiin | ? | |
2.4.2.25 | UDPapiose + 7-O-(beta-D-glucosyl)-apigenin | biosynthesis of apiin | Petroselinum crispum | ? | - |
? | |
2.4.2.25 | UDPapiose + biochanin A | i.e. 5,7-dihydroxy-4'-methoxyisoflavone-7-glucoside | Petroselinum crispum | ? | - |
? |
EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|---|
2.4.2.25 | 30 | - |
assay at | Petroselinum crispum |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
2.4.2.25 | 7 | - |
higher apiin yield in Tris-HCl than in phosphate buffer | Petroselinum crispum |
EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|---|
2.4.2.25 | 6 | 8 | highest stability | Petroselinum crispum |