3.2.1.189: dioscin glycosidase (diosgenin-forming)

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For detailed information about dioscin glycosidase (diosgenin-forming), go to the full flat file.

Reaction

Synonyms

dioscin glycosidase (aglycone-forming), GiGly

ECTree

     3 Hydrolases

         3.2 Glycosylases

             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds

                3.2.1.189 dioscin glycosidase (diosgenin-forming)

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Results	in table
7	Inhibitors
4	Metals/Ions
1	Molecular Weight [Da]
4	Natural Substrates/ Products (Substrates)
4	Organism
2	pH Optimum
1	pH Range
1	pH Stability
2	Purification (Commentary)
1	Reaction
4	Reference
2	Source Tissue
2	Specific Activity [micromol/min/mg]
16	Substrates and Products (Substrate)
6	Subunits
4	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]
1	Temperature Range [°C]
1	Temperature Stability [°C]

Natural Substrates Products

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Natural Substrates Products on EC 3.2.1.189 - dioscin glycosidase (diosgenin-forming)

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NATURAL SUBSTRATE

NATURAL PRODUCT

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

REVERSIBILITY
r=reversible
ir=irreversible
?=not specified

3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O

D-glucopyranose + 2 L-rhamnopyranose + diosgenin

2 entries

additional information

?

-

2 entries

3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O

D-glucopyranose + 2 L-rhamnopyranose + diosgenin

Absidia sp. (in: Fungi)

-

-

722930

-

-

?

3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 3 H2O

D-glucopyranose + 2 L-rhamnopyranose + diosgenin

Absidia sp. (in: Fungi) d38

-

-

722930

-

-

?

additional information

?

-

Fusarium proliferatum

-

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

754439

-

-

?

additional information

?

-

Fusarium proliferatum WX12

-

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

754439

-

-

?