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3-O-[alpha-L-Ara-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + L-arabinose + L-rhamnopyranose + diosgenin
3-O-[alpha-L-Ara-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + H2O
D-glucose + L-rhamnose + L-arabinose + diosgenin
3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + 2 L-rhamnopyranose + diosgenin
3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucose + 2 L-rhamnose + diosgenin
polyphyllin VII + 4 H2O
3 L-rhamnose + D-glucose + (22zeta,25R)-9zeta-spirost-5-en-3beta,17-diol
additional information
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3-O-[alpha-L-Ara-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + L-arabinose + L-rhamnopyranose + diosgenin
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Substrates: -
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3-O-[alpha-L-Ara-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + L-arabinose + L-rhamnopyranose + diosgenin
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Substrates: -
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3-O-[alpha-L-Ara-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + H2O
D-glucose + L-rhamnose + L-arabinose + diosgenin
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Substrates: i.e. sinodiosgenin or trillin
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3-O-[alpha-L-Ara-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + H2O
D-glucose + L-rhamnose + L-arabinose + diosgenin
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Substrates: i.e. sinodiosgenin or trillin
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3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + 2 L-rhamnopyranose + diosgenin
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Substrates: -
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3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + 2 L-rhamnopyranose + diosgenin
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Substrates: 3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin is the the main dioscin in the rhizome of Dioscorea nipponica. The dioscin-glycosidase gradually hydrolyzes either the 3-O-alpha-L-(1->4)-Rha or the 3-O-alpha-L-(1->2)-Rha from dioscin into 3-O-alpha-L-Rha-(1->2)-beta-D-diosgenin or 3-O-alpha-L-Rha-(1->4)-beta-D-diosgenin, further rapidly hydrolyzes the other alpha-L-Rha into the main intermediate products of 3-O-beta-D-Glc-diosgenin, and subsequently hydrolyzes these intermediate product into aglycone as the final product
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3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + 2 L-rhamnopyranose + diosgenin
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Substrates: -
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3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + 2 L-rhamnopyranose + diosgenin
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Substrates: 3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin is the the main dioscin in the rhizome of Dioscorea nipponica. The dioscin-glycosidase gradually hydrolyzes either the 3-O-alpha-L-(1->4)-Rha or the 3-O-alpha-L-(1->2)-Rha from dioscin into 3-O-alpha-L-Rha-(1->2)-beta-D-diosgenin or 3-O-alpha-L-Rha-(1->4)-beta-D-diosgenin, further rapidly hydrolyzes the other alpha-L-Rha into the main intermediate products of 3-O-beta-D-Glc-diosgenin, and subsequently hydrolyzes these intermediate product into aglycone as the final product
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3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucose + 2 L-rhamnose + diosgenin
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Substrates: -
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3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucose + 2 L-rhamnose + diosgenin
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Substrates: -
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polyphyllin VII + 4 H2O
3 L-rhamnose + D-glucose + (22zeta,25R)-9zeta-spirost-5-en-3beta,17-diol
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Substrates: -
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polyphyllin VII + 4 H2O
3 L-rhamnose + D-glucose + (22zeta,25R)-9zeta-spirost-5-en-3beta,17-diol
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Substrates: -
Products: -
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additional information
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Substrates: strain WX12 has ability to hydrolyze dioscin, trillin and polyphyllin VII into diosgenin as the final product. But it is inactive toward the terminal rhamnosyl, glucosyl and galactosyl of ginsenoside Re and saikosaponin A
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additional information
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Substrates: enzyme GiGly shows high substrate specificity for multi-3-O-glycosides of spirostanol saponins such as dioscin, trillin and polyphyllin VII, and is inactive toward substrates with terminal groups of rhamnosyl, glucosyl, galactosyl of ginsenoside Re and saikosaponin A. It can only hydrolyze glycosidic bonds at the C-3 position on steroidal saponins, which have similar structure with dioscin, and can be transformed into diosgenin. Substrate specificity, overview. GiGly is able tohydrolyze the terminal alpha-1,2-linked rhamnosyl residues, alpha-1,4-linked rhamnosyl residues, alpha-1,4-linked arabinosyl residues and beta-D-glucosyl residues at C-3 position.. The hydrolyzed substrates of GiGly have a double bond between carbons 5 and 6 position. By contrast, the non-substrates lack the said double bond and have substituents at carbon 4 position
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additional information
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Substrates: strain WX12 has ability to hydrolyze dioscin, trillin and polyphyllin VII into diosgenin as the final product. But it is inactive toward the terminal rhamnosyl, glucosyl and galactosyl of ginsenoside Re and saikosaponin A
Products: -
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additional information
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Substrates: enzyme GiGly shows high substrate specificity for multi-3-O-glycosides of spirostanol saponins such as dioscin, trillin and polyphyllin VII, and is inactive toward substrates with terminal groups of rhamnosyl, glucosyl, galactosyl of ginsenoside Re and saikosaponin A. It can only hydrolyze glycosidic bonds at the C-3 position on steroidal saponins, which have similar structure with dioscin, and can be transformed into diosgenin. Substrate specificity, overview. GiGly is able tohydrolyze the terminal alpha-1,2-linked rhamnosyl residues, alpha-1,4-linked rhamnosyl residues, alpha-1,4-linked arabinosyl residues and beta-D-glucosyl residues at C-3 position.. The hydrolyzed substrates of GiGly have a double bond between carbons 5 and 6 position. By contrast, the non-substrates lack the said double bond and have substituents at carbon 4 position
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3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + 2 L-rhamnopyranose + diosgenin
additional information
?
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3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + 2 L-rhamnopyranose + diosgenin
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Substrates: -
Products: -
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3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O
D-glucopyranose + 2 L-rhamnopyranose + diosgenin
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Substrates: -
Products: -
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additional information
?
-
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Substrates: strain WX12 has ability to hydrolyze dioscin, trillin and polyphyllin VII into diosgenin as the final product. But it is inactive toward the terminal rhamnosyl, glucosyl and galactosyl of ginsenoside Re and saikosaponin A
Products: -
?
additional information
?
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Substrates: strain WX12 has ability to hydrolyze dioscin, trillin and polyphyllin VII into diosgenin as the final product. But it is inactive toward the terminal rhamnosyl, glucosyl and galactosyl of ginsenoside Re and saikosaponin A
Products: -
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Fu, Y.; Yu, H.; Tang, S.H.; Hu, X.; Wang, Y.; Liu, B.; Yu, C.; Jin, F.
New dioscin-glycosidase hydrolyzing multi-glycosides of dioscin from Absidia strain
J. Microbiol. Biotechnol.
20
1011-1017
2010
Absidia sp. (in: Fungi), Absidia sp. (in: Fungi) d38
brenda
Li, H.; Wang, X.; Ma, Y.; Yang, N.; Zhang, X.; Xu, Z.; Shi, J.
Purification and characterization of a glycosidase with hydrolyzing multi-3-O-glycosides of spirostanol saponin activity from Gibberella intermedia
J. Mol. Catal. B
128
46-51
2016
Fusarium proliferatum, Fusarium proliferatum WX12
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brenda