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Literature summary for 2.4.1.194 extracted from

  • Katsumata, T.; Shige, H.; Ejiri, S.
    Biochemical studies on pollen. Part XXXIV. UDP-glucose:4-(beta-D-glucopyranosyloxy)benzoic acid glucosyltransferase from the pollen of Pinus densiflora (1989), Phytochemistry, 28, 359-362.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
EDTA 60% increase of activity at 0.1 mM, probably due to removal of heavy metal ions Pinus densiflora

Inhibitors

Inhibitors Comment Organism Structure
2-hydroxybenzoic acid
-
Pinus densiflora
3-Hydroxybenzoic acid competitive inhibition Pinus densiflora
4-coumaric acid
-
Pinus densiflora
4-hydroxybenzoic acid
-
Pinus densiflora
gallic acid competitive inhibition Pinus densiflora
vanillic acid competitive inhibition Pinus densiflora

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.24
-
UDPglucose
-
Pinus densiflora
2.9
-
4-hydroxybenzoate
-
Pinus densiflora

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ 50% increase of activity at 0.3 mM Pinus densiflora
additional information Mg2+ has no effect Pinus densiflora
additional information no metal ions required Pinus densiflora

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
33000
-
apparent, from gel filtration Pinus densiflora

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Pinus densiflora probably control of activity during pine pollen germination ?
-
?

Organism

Organism UniProt Comment Textmining
Pinus densiflora
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Pinus densiflora

Source Tissue

Source Tissue Comment Organism Textmining
pollen
-
Pinus densiflora
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information probably control of activity during pine pollen germination Pinus densiflora ?
-
?
UDPglucose + 4-hydroxybenzoate
-
Pinus densiflora UDP + 4-(beta-D-glucosyloxy)benzoate
-
ir

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Pinus densiflora

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Pinus densiflora

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.4
-
3-Hydroxybenzoic acid
-
Pinus densiflora
0.7
-
gallic acid
-
Pinus densiflora
1.3
-
vanillic acid
-
Pinus densiflora
3.1
-
2-hydroxybenzoic acid
-
Pinus densiflora
5
-
4-coumaric acid
-
Pinus densiflora