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Literature summary for 2.4.1.120 extracted from

  • Nurmann, G.; Strack, D.
    Formation of 1-sinapoylglucose by UDP-glucose: sinapic acid glucosyltransferase from cotyledons of Raphanus sativus (1981), Z. Pflanzenphysiol., 102, 11-17.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
additional information SH-group required Raphanus sativus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.03
-
Sinapic acid
-
Raphanus sativus
0.055
-
UDPglucose
-
Raphanus sativus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-alpha-D-glucose + sinapic acid Raphanus sativus
-
UDP + 1-O-sinapoyl-beta-D-glucose
-
r

Organism

Organism UniProt Comment Textmining
Raphanus sativus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Raphanus sativus

Source Tissue

Source Tissue Comment Organism Textmining
seedling
-
Raphanus sativus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0094
-
reaction with sinapic acid Raphanus sativus

Storage Stability

Storage Stability Organism
4°C, 8 days, 23% loss of activity Raphanus sativus
enzyme is less stable at -20°C than at 4°C Raphanus sativus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dTDP-alpha-D-glucose + sinapic acid
-
Raphanus sativus dTDP + 1-O-sinapoyl-beta-D-glucose
-
?
UDP-alpha-D-glucose + sinapic acid
-
Raphanus sativus UDP + 1-O-sinapoyl-beta-D-glucose
-
r

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.8
-
potassium phosphate buffer Raphanus sativus
6
-
MES buffer Raphanus sativus

pH Range

pH Minimum pH Maximum Comment Organism
5 7 pH 5.0: 85% of maximal activity, pH 7.0: 63% of maximal activity Raphanus sativus