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3.2.1.190: dioscin glycosidase (3-O-beta-D-Glc-diosgenin-forming)

This is an abbreviated version!
For detailed information about dioscin glycosidase (3-O-beta-D-Glc-diosgenin-forming), go to the full flat file.

Reaction

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

Synonyms

dioscin alpha-L-rhamnosidase

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.190 dioscin glycosidase (3-O-beta-D-Glc-diosgenin-forming)

Substrates Products

Substrates Products on EC 3.2.1.190 - dioscin glycosidase (3-O-beta-D-Glc-diosgenin-forming)

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SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
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 + 2 H2O
2 L-rhamnopyranose + diosgenin 3-O-beta-D-glucopyranoside
show the reaction diagram
-
the enzyme is involved in hydrolysis of the steroid saponin dioscin
-
-
?
3-O-[alpha-L-Rha-(1->4)-[alpha-L-Rha-(1->2)]-beta-D-Glc]diosgenin + 2 H2O
2 L-rhamnopyranose + diosgenin-3-O-beta-D-glucopyranoside
show the reaction diagram
-
-
-
-
?
additional information
?
-
-
no hydrolysis of ginsenoside Re or rutin
-
-
?