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Literature summary for 2.4.1.368 extracted from

  • Liu, X.; Zhang, L.; Feng, X.; Lv, B.; Li, C.
    Biosynthesis of glycyrrhetinic acid-3-O-monoglucose using glycosyltransferase UGT73C11 from Barbarea vulgaris (2017), Ind. Eng. Chem. Res., 56, 14949-14958 .
No PubMed abstract available

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) cells Barbarea vulgaris

Inhibitors

Inhibitors Comment Organism Structure
Co2+ about 68% residual activity at 5 mM Barbarea vulgaris
Cu2+ complete inhibition at 5 mM Barbarea vulgaris
Fe2+ about 85% residual activity at 5 mM Barbarea vulgaris
additional information not inhibited by EDTA Barbarea vulgaris
Zn2+ about 22% residual activity at 5 mM Barbarea vulgaris

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.104
-
glycyrrhetinic acid at pH 7.4 and 37°C Barbarea vulgaris
0.486
-
UDP-alpha-D-glucose at pH 7.4 and 37°C Barbarea vulgaris

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ about 110% activity at 5 mM Barbarea vulgaris
additional information not influenced by Ba2+, Ni2+, Mn2+, and Ca2+ Barbarea vulgaris

Organism

Organism UniProt Comment Textmining
Barbarea vulgaris K4GGT4
-
-

Purification (Commentary)

Purification (Comment) Organism
Ni-NTA column chromatography Barbarea vulgaris

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information no activity with UDP-glucuronic acid Barbarea vulgaris ?
-
?
UDP-alpha-D-glucose + glycyrrhetinic acid the highest conversion is found at the substrate molar ratio UDP-alpha-D-glucose/glycyrrhetinate of 5:1 with 98% conversion after 6 h Barbarea vulgaris UDP + glycyrrhetinic acid 3-O-beta-monoglucose
-
ir

Subunits

Subunits Comment Organism
? x * 62000, SDS-PAGE Barbarea vulgaris

Synonyms

Synonyms Comment Organism
UGT73C11
-
Barbarea vulgaris

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Barbarea vulgaris

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
25 45 more than 50% activity between 25 and 45°C Barbarea vulgaris

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.091
-
glycyrrhetinic acid at pH 7.4 and 37°C Barbarea vulgaris
0.102
-
UDP-alpha-D-glucose at pH 7.4 and 37°C Barbarea vulgaris

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Barbarea vulgaris

pH Range

pH Minimum pH Maximum Comment Organism
6 8 more than 60% activity between pH 6.0 and 8.0 Barbarea vulgaris

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.215
-
UDP-alpha-D-glucose at pH 7.4 and 37°C Barbarea vulgaris
0.873
-
glycyrrhetinic acid at pH 7.4 and 37°C Barbarea vulgaris