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Literature summary extracted from

  • Sutter, A.; Ortmann, R.; Grisebach, H.
    Purification and properties of an enzyme from cell suspension cultures of parsley catalyzing the transfer of D-glucose from UDP-D-glucose to flavonoids (1972), Biochim. Biophys. Acta, 258, 71-87.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.81 bovine serum albumin stimulates Petroselinum crispum

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.1.81 (NH4)2SO4 weak Petroselinum crispum
2.4.1.81 ethylene monomethylether
-
Petroselinum crispum
2.4.1.81 Tris-HCl in 1 M Tris-HCl buffer the reaction rate is 70% of that observed in 0.1 M buffer Petroselinum crispum
2.4.1.81 UDP weak Petroselinum crispum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.81 0.0015
-
luteolin
-
Petroselinum crispum
2.4.1.81 0.0027
-
apigenin
-
Petroselinum crispum
2.4.1.81 0.01
-
naringenin
-
Petroselinum crispum
2.4.1.81 0.12
-
UDPglucose reaction with apigenin Petroselinum crispum
2.4.1.81 0.26
-
TDPglucose reaction with apigenin Petroselinum crispum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.1.81 soluble
-
Petroselinum crispum
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.4.1.81 50000
-
gel filtration Petroselinum crispum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.81 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

EC Number Organism UniProt Comment Textmining
2.4.1.81 Petroselinum crispum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.81 partial Petroselinum crispum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.81 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 [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.4.1.81 0.401
-
-
Petroselinum crispum

Storage Stability

EC Number Storage Stability Organism
2.4.1.81 3°C, t1/2: 1 month in 0.05 M Tris-HCl buffer, pH 7.5, 7 mM 2-mercaptoethanol Petroselinum crispum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.81 TDP-glucose + luteolin
-
Petroselinum crispum TDP + 7-O-beta-D-glucosylluteolin
-
?
2.4.1.81 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
-
?
2.4.1.81 UDP-alpha-D-glucose + 5,7-dihydroxyflavanone 15% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosyl-5,7-dihydroxyflavanone
-
?
2.4.1.81 UDP-alpha-D-glucose + 7,4'-dihydroxyflavone 20% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosyl-7,4'-dihydroxyflavone
-
?
2.4.1.81 UDP-alpha-D-glucose + acacetin 24% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosylacacetin
-
?
2.4.1.81 UDP-alpha-D-glucose + apigenin
-
Petroselinum crispum UDP + 7-O-beta-D-glucosylapigenin
-
?
2.4.1.81 UDP-alpha-D-glucose + chrysoeriol 63% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosylchrysoeriol
-
?
2.4.1.81 UDP-alpha-D-glucose + datiscetin 9% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosyldatiscetin
-
?
2.4.1.81 UDP-alpha-D-glucose + fisetin 14% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosylfisetin
-
?
2.4.1.81 UDP-alpha-D-glucose + galangin 9% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosylgalangin
-
?
2.4.1.81 UDP-alpha-D-glucose + kaempferid 16% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosylkaempferid
-
?
2.4.1.81 UDP-alpha-D-glucose + kaempferol 11% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosylkaempferol
-
?
2.4.1.81 UDP-alpha-D-glucose + luteolin 210% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosylluteolin
-
?
2.4.1.81 UDP-alpha-D-glucose + naringenin 45% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosylnaringenin
-
?
2.4.1.81 UDP-alpha-D-glucose + quercetin 16% of the activity with apigenin Petroselinum crispum UDP + 7-O-beta-D-glucosylquercetin
-
?
2.4.1.81 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

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.4.1.81 7.5
-
-
Petroselinum crispum

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.4.1.81 6 9 pH 6.0: about 35% of maximal activity, pH 9.0: about 50% of maximal activity Petroselinum crispum

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
2.4.1.81 6.5
-
rapid loss of activity below Petroselinum crispum
2.4.1.81 7.5 8.5 most stable Petroselinum crispum
2.4.1.81 9.5
-
above, rapid loss of activity above Petroselinum crispum