3.2.1.186: protodioscin 26-O-beta-D-glucosidase
This is an abbreviated version!
For detailed information about protodioscin 26-O-beta-D-glucosidase, go to the full flat file.
Word Map on EC 3.2.1.186
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3.2.1.186
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german
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beta-glucosidase
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torvum
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ceramide
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questionnaire-9
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solanum
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desaturase
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dihydroceramide
- 3.2.1.186
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german
- beta-glucosidase
- torvum
- ceramide
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questionnaire-9
- solanum
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desaturase
- dihydroceramide
Reaction
Synonyms
aveconasidase, avenacosidase, CSF26G1, F26G, furostanol 26-O-beta-D-glucoside glucohydrolase, furostanol glycoside 26-O-beta-D-glucosidase, S. torvum beta-glucosidase, SBgl3, Solanum torvum GH3 beta-glucosidase, torvosidase
ECTree
3.2.1.186 protodioscin 26-O-beta-D-glucosidaseAdvanced search results
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results (Substrates Products
Substrates Products on EC 3.2.1.186 - protodioscin 26-O-beta-D-glucosidase
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SUBSTRATE 
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
avenacoside + H2O
26-deglucoavenacoside + D-glucose
the enzyme is part of the defense system of Arena sativa. Avenacosides are hydrolyzed to 26-desgluco-avenacosides immediately after damage of the plant tissue. Only the desgluco-derivatives exhibit fungicidal activity
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?
dalcochinin 8'-beta-D-glucoside + H2O
?
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the natural substrate of Thai rosewood beta-glucosidase. 24% of the activity with torvoside A
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?
decyl-beta-D-glucoside + H2O
decanol + D-glucose
83% activity compared to torvoside A
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?
hexyl-beta-D-glucoside + H2O
hexanol + D-glucose
43% activity compared to torvoside A
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-
?
octyl-beta-D-glucoside + H2O
octanol + D-glucose
69% activity compared to torvoside A
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-
?
phenyl-beta-D-glucoside + H2O
phenol + D-glucose
36% activity compared to torvoside A
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-
?
4-methylumbelliferyl beta-D-glucoside + H2O
4-methylumbelliferol + D-glucopyranose
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-
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?
4-methylumbelliferyl beta-D-glucoside + H2O
4-methylumbelliferol + D-glucopyranose
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-
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?
4-nitrophenyl beta-D-glucoside + H2O
4-nitrophenol + beta-D-glucose
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?
4-nitrophenyl beta-D-glucoside + H2O
4-nitrophenol + beta-D-glucose
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?
4-nitrophenyl beta-D-glucoside + H2O
4-nitrophenol + beta-D-glucose
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?
avenacoside A + H2O
26-deglucoavenacoside A + D-glucose
the enzyme belongs to a preformed defence system of oat against fungal infection
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?
avenacoside A + H2O
26-deglucoavenacoside A + D-glucose
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the enzyme in plastid hydrolyzes avenacosides to C26-degluco-avenacosides to combat against fungal infections
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?
avenacoside B + H2O
26-deglucoavenacoside B + D-glucose
the enzyme belongs to a preformed defence system of oat against fungal infection
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?
avenacoside B + H2O
26-deglucoavenacoside B + D-glucose
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the enzyme in plastid hydrolyzes avenacosides to C26-degluco-avenacosides to combat against fungal infections
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?
protodioscin + H2O
26-deglucoprotodioscin + D-glucose
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?
protogracillin
26-deglucoprotogracillin + D-glucose
the enzyme is highly specific for cleavage of the C26-bound glucose moiety of furostanol glycosides
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?
torvoside A + H2O
26-deglucotorvoside A + D-glucose
best substrate for native and recombinant enzymes
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?
additional information
?
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4-nitrophenyl derivatives serve as substrates, in decreasing order: beta-fucoside, beta-glucoside, beta-galactoside, beta-xyloside. The corresponding 2-nitrophenyl glycosides are less well accepted. No hydrolysis is found with alpha-glycosides and beta-thioglucoside
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?
additional information
?
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the enzyme is involved in the postharvest conversion of furostanol glycosides to spirostanol glycosides in Costus speciosus. Furostanol glycosides are the precursors of spirostane glycosides, containing a glucose unit attached to the C-26 hydroxyl of the aglycone
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?
additional information
?
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no activity amygdalin, cellobiose, gentiobiose, octyl beta-D-glucoside or prunasin
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?
additional information
?
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no activity with 4-nitrophenyl beta-D-fucoside, 4-nitrophenyl beta-L-fucoside, 4-nitrophenyl beta-D-xyloside, 4-nitrophenyl beta-D-galactoside, 4-nitrophenyl beta-D-N-acetylglucosaminide, 4-nitrophenyl beta-D-mannoside, amygdalin, laminarin, prunasin, glucosinolate (sinigrin), aromatic glucosides (arbutin, salicin), indoxyl-beta-D-glucoside, methyl-beta-D-glucoside, cellobiose, cellotriose, cellotetraose, laminaribiose, laminaritriose, laminaritetraose and gentiobiose
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?
additional information
?
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the beta-glucosidase (torvosidase) purified from Solanum torvum leaves specifically catalyzes the hydrolysis of two furostanol 26-O-beta-glucosides, torvosides A and H
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?
additional information
?
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the beta-glucosidase (torvosidase) purified from Solanum torvum leaves specifically catalyzes the hydrolysis of two furostanol 26-O-beta-glucosides, torvosides A and H
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?
additional information
?
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the beta-glucosidase (torvosidase) purified from Solanum torvum leaves specifically catalyzes the hydrolysis of two furostanol 26-O-beta-glucosides, torvosides A and H. No activity with (1,2)-beta-linked glucobiose and (1,3)-beta-linked glucobiose, and with beta-linked oligosaccharides, namely cellobiose, cellotriose, cellotetraose, laminaribiose, laminaritriose, laminaritetraose, and gentiobiose
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?
additional information
?
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the beta-glucosidase (torvosidase) purified from Solanum torvum leaves specifically catalyzes the hydrolysis of two furostanol 26-O-beta-glucosides, torvosides A and H. No activity with (1,2)-beta-linked glucobiose and (1,3)-beta-linked glucobiose, and with beta-linked oligosaccharides, namely cellobiose, cellotriose, cellotetraose, laminaribiose, laminaritriose, laminaritetraose, and gentiobiose
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?
