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Literature summary extracted from

  • Sasaki, Y.; Morita, T.; Kuramoto, T.; Mizutani, K.; Ikeda, R.; Tanaka, O.
    Substrate specificity of glycyrrhizinic acid hydrolase (1988), Agric. Biol. Chem., 52, 207-210.
No PubMed abstract available

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.128 Aspergillus niger
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Reaction

EC Number Reaction Comment Organism Reaction ID
3.2.1.128 glycyrrhizin + H2O = beta-D-glucuronosyl-(1->2)-D-glucuronate + glycyrrhetinate the glycyrrhizin-hydrolysing enzyme is separated from the general beta-glucorinidase EC 3.2.1.31 Aspergillus niger
a

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.128 chenodeoxycholic acid 3-O-beta-D-glucuronide + H2O
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 Aspergillus niger chenodeoxycholic acid + glucuronic acid
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 ?
3.2.1.128 chikusetsusaponin-IVa + H2O from Panax japonicus Aspergillus niger beta-D-glucopyranosyl oleanolate + D-glucuronic acid
-
 ?
3.2.1.128 chikusetsusaponin-V + H2O i.e. ginsenoside-Ro, from Panax japonicus Aspergillus niger beta-D-glucopyranosyl oleanolate + 2-O-beta-D-glucopyranosyl D-glucuronic acid
-
 ?
3.2.1.128 glycyrrhizinic acid + H2O substrate specificity Aspergillus niger glycyrrhetinic acid + D-glucuronyl beta-1,2-D-glucuronic acid
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 ?
3.2.1.128 glycyrrhizinic acid + H2O selectively hydrolyzes the 3-O-beta-D-glucuronide linkage of glycyrrhinic acid Aspergillus niger glycyrrhetinic acid + D-glucuronyl beta-1,2-D-glucuronic acid
-
 ?
3.2.1.128 hemsloside Ma1 + H2O from Hemsleya macrosperma C.Y.Wu Aspergillus niger beta-D-glucopyranosyl oleanolate + 3-O-alpha-L-arabinopyranosyl D-glucuronic acid
-
 ?
3.2.1.128 hemsloside Ma2 + H2O from Hemsleya macrosperma C.Y.Wu Aspergillus niger beta-D-glucopyranosyl oleanolate + 2-O-beta-D-glucopyranosyl-(3-O-alpha-L-arabinopyranosyl) alpha-D-glucuronic acid
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 ?
3.2.1.128 additional information chikusetsusaponin-IV, stipuleanosides R1 and 2, from Panax stipuleanatus H.T.Tsai and K.M.Feng, chikusetsusaponin-IVa ethyl or chikusetsusaponin-V methyl ester and beta-D-glucuronides of small-size aliphatic alcohols e.g. methanol, propanol or cyclohexanol, 5-alpha-cholestan-3beta-ol, l-menthol or d-menthol Aspergillus niger ?
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 ?
3.2.1.128 pseudo-ginsenoside-RT1 + H2O from Panax pseudoginseng ssp. himalaicus Hara Aspergillus niger beta-D-glucopyranosyl oleanolate + 2-O-beta-D-xylopyranosyl D-glucuronic acid
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 ?