3.2.1.139: alpha-glucuronidase
This is an abbreviated version!
For detailed information about alpha-glucuronidase, go to the full flat file.
Word Map on EC 3.2.1.139
-
3.2.1.139
-
glucuronoxylans
-
glucuronic
-
agua
-
endoxylanase
-
beta-xylosidase
-
xylooligosaccharides
-
4-o-methyl-d-glucuronic
-
xylanases
-
meglca
-
hardwood
-
birchwood
-
hemicelluloses
-
schizophyllum
-
arabinoxylans
-
aldouronic
-
xylotriose
-
4-o-methylated
-
4-o-methylglucuronic
-
hemicellulolytic
-
methylglucuronic
-
arabinofuranosidase
-
xylopyranosyl
-
cellvibrio
-
analysis
-
degradation
-
synthesis
-
molecular biology
- 3.2.1.139
- glucuronoxylans
-
glucuronic
-
agua
- endoxylanase
- beta-xylosidase
- xylooligosaccharides
-
4-o-methyl-d-glucuronic
- xylanases
-
meglca
-
hardwood
-
birchwood
- hemicelluloses
-
schizophyllum
- arabinoxylans
-
aldouronic
- xylotriose
-
4-o-methylated
-
4-o-methylglucuronic
-
hemicellulolytic
-
methylglucuronic
- arabinofuranosidase
-
xylopyranosyl
-
cellvibrio
- analysis
- degradation
- synthesis
- molecular biology
Reaction
Synonyms
(4-O-methyl)-alpha-glucuronidase, 4-O-methylglucuronidase, aGlu, Agu115, Agu115A, Agu4B, AguA, alpha-(4-O-methyl)-D-glucuronidase, alpha-D-glucuronidase, Alpha-glucosiduronase, alpha-glucosiduronate glucuronohydrolase, alpha-glucuronidase, amylouronate hydrolase-I, Aryl alpha-glucuronidase, AugA, AUH-I, BoAgu115A, DEG75-AG, GH115, GH115 glucuronidase, GH67, GH67 alpha-glucuronidase, GlcA115A, GlcA67A, GLRI, glucuronidase, alpha-, glycosyl hydrolase family 115 alpha-glucuronidase, non-xylanolytic alpha-glucuronidase, p-nitrophenyl alpha-D-glucuronide-hydrolyzing enzyme, Pjdr2_5977, PNP-GAase, RUM630-AG, Sde_1755, TrDCase, TreDCase
ECTree
3.2.1.139 alpha-glucuronidaseAdvanced search results
results (
results (Substrates Products
Substrates Products on EC 3.2.1.139 - alpha-glucuronidase
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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
1,2-linked glucuronic acid of non-reducing xylose-oligosaccahrides + H2O
D-glucuronic acid + ?
2-O-alpha-(4-O-methyl-alpha-D-glucopyranosyluronic acid)-D-xylose + H2O
4-O-methylglucuronic acid + D-xylose
-
-
-
-
?
2-O-alpha-(4-O-methyl-alpha-D-glucopyranosyluronic)-D-xylobiose + H2O
4-O-methylglucuronic acid + D-xylobiose
-
i.e. aldotriouronic acid
-
-
?
2-O-alpha-(4-O-methyl-alpha-D-glucuronosyl)-xylotriose + H2O
4-O-methyl-alpha-D-glucuronic acid + xylotriose
2-O-alpha-D-glucopyranosyluronic acid-D-xylose + H2O
alpha-D-glucopyranosyluronic acid + D-xylose
-
-
-
-
?
4-nitrophenyl 2-(4-O-methyl-alpha-D-glucopyranosyl)-beta-D-xylopyranoside + H2O
4-nitrophenyl beta-D-xylopyranoside + 4-O-methyl-alpha-D-glucopyranose
4-nitrophenyl-2-O-(4-O-methyl-alpha-D-glucuronosyl)-beta-D-xylopyranoside + H2O
4-nitrophenyl-D-xylopyranoside + 4-O-methyl-alpha-D-glucuronate
-
-
-
-
?
4-O-Me-GlcAalpha(1-2)Xylbeta(1-4)Xylbeta(1-4)Xyl + H2O
4-O-methyl-alpha-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xyl
from beechwood, de-estrification of the methyl ester of MeGlcA with glucuronoyl esterase
de-estrification of the methyl ester of MeGlcA with glucuronoyl esterase
-
?
4-O-Me-GlcAalpha(1-2)Xylbeta(1-4)Xylbeta(1-4)[4-O-Me-GlcAalpha(1-2)]Xylbeta(1-4)Xyl + H2O
4-O-methyl-alpha-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)[4-O-Me-GlcAalpha(1-2)]Xylbeta(1-4)Xyl
hydrolysis product of endoxylanases on glucuronoxylan
de-estrification of the methyl ester of MeGlcA with glucuronoyl esterase
-
?
4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-(beta-D-xylopyranosyl-(1->4))n-beta-D-xylopyranose + H2O
4-O-methyl-alpha-D-glucopyranose + beta-D-xylopyranosyl-(1->4)-(beta-D-xylopyranosyl-(1->4))n-beta-D-xylopyranose
-
-
-
ir
4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
4-O-methyl-alpha-D-glucopyranose + 4-O-beta-D-xylopyranosyl-beta-D-xylopyranose
4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
4-O-methyl-alpha-D-glucopyranose + beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose
-
-
-
ir
4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
4-O-methyl-alpha-D-glucopyranose + beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose
-
-
-
ir
4-O-methyl-alpha-D-glucopyranuronosyl-(1-2)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranose + H2O
4-O-methyl-alpha-D-glucuronic acid + beta-D-xylopyranose
-
-
-
-
?
4-O-methyl-alpha-D-glucopyranuronosyl-(1-2)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranose + H2O
4-O-methyl-alpha-D-glucuronic acid + beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranosyl-(1-4)-beta-D-xylopyranose
-
-
-
-
?
4-O-methyl-alpha-D-glucuronosyl-xyloheptaose + H2O
4-O-methyl-alpha-D-glucuronate + xyloheptaose
-
-
-
-
?
4-O-methyl-beta-D-glucopyranuetaronosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
?
4-O-methyl-D-glucuronoxylan + H2O
4-O-methyl-D-glucuronic acid + xylan
-
-
-
?
aldopentaouronic acid + H2O
4-O-methyl-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xyl
-
-
-
-
?
aldopentaouronic acid + H2O
4-O-methylglucuronic acid + ?
-
high activity
-
-
?
aldopentauronic acid + H2O
4-O-methyl-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xyl
aldotetraouronic acid + H2O
4-O-methylglucuronic acid + ?
-
highest activity
-
-
?
aldotriouronic acid + H2O
4-O-methyl-alpha-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xyl
beechwood xylan + H2O
4-O-methyl-D-glucuronic acid + D-glucuronic acid + ?
-
-
-
?
beechwood xylan + H2O
4-O-methylglucuronic acid + ?
-
low activity
-
-
?
beechwood xylan + H2O
4-O-methylglucuronoxylan + ?
-
-
-
?
birchwood xylan + H2O
4-O-methyl-D-glucuronic acid + D-glucuronic acid
-
-
-
?
birchwood xylan + H2O
4-O-methylglucuronic acid + ?
-
very low activity
-
-
?
birchwood xylan + H2O
4-O-methylglucuronoxylan + ?
-
-
-
?
GlcAalpha(1-2)Xylbeta(1-4)Xylbeta(1-4)[GlcAalpha(1-2)]Xylbeta(1-4)Xyl + H2O
alpha-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)[GlcAalpha(1-2)]Xylbeta(1-4)Xyl
generated from the action of endoxylanases on polysaccharides
de-estrification of the methyl ester of MeGlcA with glucuronoyl esterase
-
?
O-alpha-D-glucopyranosyluronic acid-alpha-D-glucopyranosiduronic acid + H2O
alpha-D-glucopyranosyluronic acid + alpha-D-glucopyranosiduronic acid
-
-
-
-
?
O-alpha-D-glucosyluronic acid alpha-D-glucosiduronic acid
D-glucuronic acid
-
the immobilized enzyme completely hydrolyzes 100 mM of the substrate
-
-
?
O-alpha-D-glucosyluronic acid alpha-D-glucosiduronic acid + H2O
alpha-D-glucosiduronic acid + beta-D-glucosiduronic acid
-
-
alpha-D-glucosiduronic acid and beta-D-glucosiduronic acid are produced in an equimolar ratio
-
?
oat spelt xylan + H2O
4-O-methylglucuronic acid + ?
-
negligible activity
-
-
?
p-nitrophenyl alpha-D-glucuronide + H2O
p-nitrophenol + D-glucuronate
-
-
-
-
?
reduced aldopentaouronic acid + H2O
4-O-methyl-D-glucuronic acid + ?
-
-
-
-
?
spruce gluconoarabinoxylan + H2O
4-O-methyl-D-glucuronic acid + ?
-
-
-
-
?
1,2-linked glucuronic acid of non-reducing xylose-oligosaccahrides + H2O
D-glucuronic acid + ?
hemicellulose consists mostly of xylan, a polymer of beta-1,4-linked xylose residues, and has among others side chains of glucuronic acid, attached by 1,2-glycosidic bonds
-
-
?
1,2-linked glucuronic acid of non-reducing xylose-oligosaccahrides + H2O
D-glucuronic acid + ?
hemicellulose consists mostly of xylan, a polymer of beta-1,4-linked xylose residues, and has among others side chains of glucuronic acid, attached by 1,2-glycosidic bonds
-
-
?
2-O-alpha-(4-O-methyl-alpha-D-glucuronosyl)-xylotriose + H2O
4-O-methyl-alpha-D-glucuronic acid + xylotriose
-
i.e. aldotetraouronic acid
-
-
?
2-O-alpha-(4-O-methyl-alpha-D-glucuronosyl)-xylotriose + H2O
4-O-methyl-alpha-D-glucuronic acid + xylotriose
-
i.e. aldotetraouronic acid
-
-
?
4-nitrophenyl 2-(4-O-methyl-alpha-D-glucopyranosyl)-beta-D-xylopyranoside + H2O
4-nitrophenyl beta-D-xylopyranoside + 4-O-methyl-alpha-D-glucopyranose
-
-
-
-
?
4-nitrophenyl 2-(4-O-methyl-alpha-D-glucopyranosyl)-beta-D-xylopyranoside + H2O
4-nitrophenyl beta-D-xylopyranoside + 4-O-methyl-alpha-D-glucopyranose
-
-
-
-
?
4-nitrophenyl 2-(4-O-methyl-alpha-D-glucopyranosyl)-beta-D-xylopyranoside + H2O
4-nitrophenyl beta-D-xylopyranoside + 4-O-methyl-alpha-D-glucopyranose
-
-
-
-
?
4-nitrophenyl 2-(4-O-methyl-alpha-D-glucopyranosyl)-beta-D-xylopyranoside + H2O
4-nitrophenyl beta-D-xylopyranoside + 4-O-methyl-alpha-D-glucopyranose
-
-
-
-
?
4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
4-O-methyl-alpha-D-glucopyranose + 4-O-beta-D-xylopyranosyl-beta-D-xylopyranose
-
-
-
ir
4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
4-O-methyl-alpha-D-glucopyranose + 4-O-beta-D-xylopyranosyl-beta-D-xylopyranose
-
-
-
ir
4-O-methyl-beta-D-glucopyranuetaronosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
?
-
-
-
?
4-O-methyl-beta-D-glucopyranuetaronosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
?
-
-
-
?
4-O-methyl-D-glucuronosyl-xylitol + H2O
4-O-methyl-D-glucuronate + xylitol
-
-
-
-
?
4-O-methyl-D-glucuronosyl-xylitol + H2O
4-O-methyl-D-glucuronate + xylitol
-
-
-
-
?
4-O-methyl-D-glucuronosyl-xylitol + H2O
4-O-methyl-D-glucuronate + xylitol
-
-
-
-
?
4-O-methyl-D-glucuronosyl-xylitol + H2O
4-O-methyl-D-glucuronate + xylitol
Polyporus versicolor
-
-
-
-
?
4-O-methyl-D-glucuronosyl-xylitol + H2O
4-O-methyl-D-glucuronate + xylitol
-
-
-
-
?
4-O-methyl-D-glucuronosyl-xylitol + H2O
4-O-methyl-D-glucuronate + xylitol
Tyromyces palustris
-
-
-
-
?
4-O-methyl-D-glucuronosylxylan + H2O
4-O-methyl-D-glucuronate + xylan
-
-
-
-
?
4-O-methyl-D-glucuronosylxylan + H2O
4-O-methyl-D-glucuronate + xylan
-
-
-
-
?
4-O-methyl-D-glucuronosylxylan + H2O
4-O-methyl-D-glucuronate + xylan
-
at 52% of the activity with 4-O-methyl-glucuronosyl-xylobiose
-
-
?
4-O-methyl-glucuronosyl-xylobiose + H2O
4-O-methyl-glucuronate + xylobiose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylobiose + H2O
4-O-methyl-glucuronate + xylobiose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylobiose + H2O
4-O-methyl-glucuronate + xylobiose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylobiose + H2O
4-O-methyl-glucuronate + xylobiose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylobiose + H2O
4-O-methyl-glucuronate + xylobiose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylobiose + H2O
4-O-methyl-glucuronate + xylobiose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylobiose + H2O
4-O-methyl-glucuronate + xylobiose
Thermotoga maritima MSB8 / DSM 3109 / ATCC 43589
-
-
-
-
?
4-O-methyl-glucuronosyl-xylobiose + H2O
4-O-methyl-glucuronate + xylobiose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylobiose + H2O
4-O-methyl-glucuronate + xylobiose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylohexaose + H2O
4-O-methyl-glucuronate + xylohexaose
-
at 53% of the activity with 4-O-methyl-glucuronosyl-xylobiose
-
-
?
4-O-methyl-glucuronosyl-xylohexaose + H2O
4-O-methyl-glucuronate + xylohexaose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylopentaose + H2O
4-O-methyl-glucuronate + xylopentaose
-
at 50% of the activity with 4-O-methyl-glucuronosyl-xylobiose
-
-
?
4-O-methyl-glucuronosyl-xylopentaose + H2O
4-O-methyl-glucuronate + xylopentaose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylose + H2O
4-O-methyl-glucuronate + xylose
-
no activity
-
-
?
4-O-methyl-glucuronosyl-xylose + H2O
4-O-methyl-glucuronate + xylose
-
no activity
-
-
?
4-O-methyl-glucuronosyl-xylose + H2O
4-O-methyl-glucuronate + xylose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylose + H2O
4-O-methyl-glucuronate + xylose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylose + H2O
4-O-methyl-glucuronate + xylose
-
96% of the activity with 4-O-methyl-glucuronosyl-xylobiose
-
-
?
4-O-methyl-glucuronosyl-xylose + H2O
4-O-methyl-glucuronate + xylose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylose + H2O
4-O-methyl-glucuronate + xylose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotetraose + H2O
4-O-methyl-glucuronate + xylotetraose
-
at 96% of the activity with 4-O-methyl-glucuronosyl-xylobiose
-
-
?
4-O-methyl-glucuronosyl-xylotetraose + H2O
4-O-methyl-glucuronate + xylotetraose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotetraose + H2O
4-O-methyl-glucuronate + xylotetraose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotetraose + H2O
4-O-methyl-glucuronate + xylotetraose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotetraose + H2O
4-O-methyl-glucuronate + xylotetraose
-
at 96% of the activity with 4-O-methyl-glucuronosyl-xylobiose
-
-
?
4-O-methyl-glucuronosyl-xylotetraose + H2O
4-O-methyl-glucuronate + xylotetraose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotetraose + H2O
4-O-methyl-glucuronate + xylotetraose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
at 99% of the activity with 4-O-methyl-glucuronosyl-xylobiose
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
at 96% of the activity 4-O-methyl-glucuronosyl-xylobiose
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
4-O-methyl-glucuronosyl-xylotriose + H2O
4-O-methyl-glucuronate + xylotriose
-
-
-
-
?
aldopentauronic acid + H2O
4-O-methyl-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xyl
-
-
-
-
?
aldopentauronic acid + H2O
4-O-methyl-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xyl
-
-
-
-
?
aldopentauronic acid + H2O
4-O-methyl-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xyl
-
-
-
-
?
aldopentauronic acid + H2O
4-O-methyl-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xylbeta(1-4)Xyl
i.e. 2''-O-alpha-(4-O-methyl-alpha-D-glucuronosyl)-xylotetraose
-
-
?
aldotriouronic acid + H2O
4-O-methyl-alpha-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xyl
-
-
-
-
?
aldotriouronic acid + H2O
4-O-methyl-alpha-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xyl
-
-
-
?
aldotriouronic acid + H2O
4-O-methyl-alpha-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xyl
-
-
-
-
?
aldotriouronic acid + H2O
4-O-methyl-alpha-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xyl
-
-
-
-
?
aldotriouronic acid + H2O
4-O-methyl-alpha-D-glucuronic acid + Xylbeta(1-4)Xylbeta(1-4)Xyl
-
-
-
-
?
aldouronic acid + H2O
D-xylose + 4-O-methyl-D-glucuronic acid
mixtures of aldobiouronic, aldottriouronic, aldotetraouronic, and aldopentaouronic acid, glucuronic acid groups attached via 1,2-linkage to xylose or non-reducing terminal residue of xylose-oligosaccharides
direct product of aldobiouronic acid
-
?
aldouronic acid + H2O
D-xylose + 4-O-methyl-D-glucuronic acid
mixtures of aldobiouronic, aldottriouronic, aldotetraouronic, and aldopentaouronic acid, glucuronic acid groups attached via 1,2-linkage to xylose or non-reducing terminal residue of xylose-oligosaccharides
direct product of aldobiouronic acid
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?
amylouronate + H2O
D-glucuronate + ?
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AUH-I is highly specific to amylouronate, amylouronate is alpha-(1,4)-linked polyglucuronic acid sodium salt or alpha-(1,4)-linked glucuronan, AUH-I hydrolyses amylouronate exolytically
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?
amylouronate + H2O
D-glucuronate + ?
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AUH-I is highly specific to amylouronate, amylouronate is alpha-(1,4)-linked polyglucuronic acid sodium salt or alpha-(1,4)-linked glucuronan, AUH-I hydrolyses amylouronate exolytically
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?
beta-D-glucuronyl alpha-D-glucuronic acid + H2O
D-glucuronate + alpha-D-glucuronic acid
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-
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?
beta-D-glucuronyl alpha-D-glucuronic acid + H2O
D-glucuronate + alpha-D-glucuronic acid
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-
-
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?
birchwood xylan + H2O
4-O-methyl-D-glucuronic acid + D-glucuronic acid + ?
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-
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?
birchwood xylan + H2O
4-O-methyl-D-glucuronic acid + D-glucuronic acid + ?
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?
hexenuronosyl xylotriose + H2O
hexenuronic acid + xylotriose
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?
hexenuronosyl xylotriose + H2O
hexenuronic acid + xylotriose
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-
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?
oat spelt xylan + H2O
4-O-methyl-D-glucuronic acid + D-glucuronic acid + ?
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1% of the activity with birchwood xylan
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?
oat spelt xylan + H2O
4-O-methyl-D-glucuronic acid + D-glucuronic acid + ?
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1% of the activity with birchwood xylan
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?
p-nitrophenyl alpha-D-glucuronopyranoside + H2O
p-nitrophenol + D-glucuronate
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-
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?
p-nitrophenyl alpha-D-glucuronopyranoside + H2O
p-nitrophenol + D-glucuronate
Thermotoga maritima MSB8 / DSM 3109 / ATCC 43589
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-
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?
p-nitrophenyl-alpha-D-glucuronopyranoside + H2O
p-nitrophenol + D-glucuronate
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-
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?
p-nitrophenyl-alpha-D-glucuronopyranoside + H2O
p-nitrophenol + D-glucuronate
Thermotoga maritima MSB8 / DSM 3109 / ATCC 43589
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-
-
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?
p-nitrophenyl-beta-D-glucuronide + H2O
p-nitrophenol + D-glucuronate
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3% of the activity with 18beta-glycyrrhetinic acid beta-D-glucuronyl alpha-D-glucuronic acid
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?
p-nitrophenyl-beta-D-glucuronide + H2O
p-nitrophenol + D-glucuronate
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3% of the activity with 18beta-glycyrrhetinic acid beta-D-glucuronyl alpha-D-glucuronic acid
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?
spruce arabinoxylan + H2O
4-O-methyl-D-glucuronic acid + D-glucuronic acid + ?
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37% of the activity with birchwood xylan
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?
spruce arabinoxylan + H2O
4-O-methyl-D-glucuronic acid + D-glucuronic acid + ?
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37% of the activity with birchwood xylan
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?
additional information
?
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enzyme is involved in hydrolysis of wood xylans
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?
additional information
?
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alpha-glucuronidases act on xylan side-chains and release methyl glucuronic acid residues. The enzyme is active on xylooligosaccharides generated from birchwood glucuronoxylan by a family 10 endoxylanase and on a mixture of aldouronic acids. No activity with birchwood glucuronoxylan
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?
additional information
?
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alpha-glucuronidases act on xylan side-chains and release methyl glucuronic acid residues. The enzyme is active on xylooligosaccharides generated from birchwood glucuronoxylan by a family 10 endoxylanase and on a mixture of aldouronic acids. No activity with birchwood glucuronoxylan
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?
additional information
?
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no hydrolysis of O-alpha-D-glucosyluronic acid alpha-D-glucoside, O-alpha-D-glucosyluronic acid beta-D-glucosiduronic acid, O-alpha-D-glucosyluronic acid-(1,2)-beta-D-fructosiduronic acid, p-nitrophenyl-O-alpha-D-glucosiduronic acid, methyl-O-alpha-D-glucosiduronic acid, or 6-O-alpha-(4-O-alpha-D-glucosyluronic acid)-D-glucosyl-beta-cyclodextrine
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?
additional information
?
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the enzyme hydrolyzes methyl-alpha-D-glucuronic acid side chains from the internal regions of xylan. The enzyme is required to undergo a substantial conformational change to form a productive Michaelis complex with glucuronoxylan
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?
additional information
?
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the enzyme hydrolyzes methyl-alpha-D-glucuronic acid side chains from the internal regions of xylan. The enzyme is required to undergo a substantial conformational change to form a productive Michaelis complex with glucuronoxylan
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?
additional information
?
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hydrolysis of the glucurono-xylooligosaccharides derived from mature Arabidopsis thaliana wild-type and gux1gux2 stems as well as wild-type willow, barley, sugar cane, and Miscanthus stems, BoAgu115A is an alpha-glucuronidase that targets the uronic acids that decorate xylans
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?
additional information
?
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hydrolysis of the glucurono-xylooligosaccharides derived from mature Arabidopsis thaliana wild-type and gux1gux2 stems as well as wild-type willow, barley, sugar cane, and Miscanthus stems, BoAgu115A is an alpha-glucuronidase that targets the uronic acids that decorate xylans
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?
additional information
?
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the role of the glucuronidase, in combination with cell-associated xylanases could be to hydrolyze decorated xylooligosaccharides, generated by extracellular hemicellulases, to xylose and 4-O-methyl-D-glucuronic acid, enabling the pseudomonad to preferentially utilize the sugars derived from these polymers
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?
additional information
?
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the role of the glucuronidase, in combination with cell-associated xylanases could be to hydrolyze decorated xylooligosaccharides, generated by extracellular hemicellulases, to xylose and 4-O-methyl-D-glucuronic acid, enabling the pseudomonad to preferentially utilize the sugars derived from these polymers
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?
additional information
?
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the enzyme is involved in hydrolysis of xylan. Presence of endoxylanase is critical for efficient alpha-glucuronidase activity, and efficient alpha-glucuronidase activity is essential for the complete hydrolysis of intact xylan
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?
additional information
?
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the enzyme shows highly specific activity for methylglucoronate side groups of aldouronic acids, while no activity is observed with birchwood xylan, 4-O-methyl-D-glucurono-D-xylan, or 4-nitrophenyl-beta-D-glucopyranoside
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?
additional information
?
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the enzyme shows highly specific activity for methylglucoronate side groups of aldouronic acids, while no activity is observed with birchwood xylan, 4-O-methyl-D-glucurono-D-xylan, or 4-nitrophenyl-beta-D-glucopyranoside
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?
additional information
?
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the enzyme shows highly specific activity for methylglucoronate side groups of aldouronic acids, while no activity is observed with birchwood xylan, 4-O-methyl-D-glucurono-D-xylan, or 4-nitrophenyl-beta-D-glucopyranoside
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?
additional information
?
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isoform GH115 is able to release 4-O-methylglucuronoxylan from both polymeric 4-O-methylglucuronoxylan and 4-O-methylglucurono-xylo-oligosaccharides. GH115 cleaves 4-O-ethylglucuronoxylan from both internal and non-reducing end xylosyl residues, with the exception of 4-O-methylglucuronate attached to the non-reducing end of a xylotriose oligosaccharide
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?
additional information
?
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isoform GH115 is able to release 4-O-methylglucuronoxylan from both polymeric 4-O-methylglucuronoxylan and 4-O-methylglucurono-xylo-oligosaccharides. GH115 cleaves 4-O-ethylglucuronoxylan from both internal and non-reducing end xylosyl residues, with the exception of 4-O-methylglucuronate attached to the non-reducing end of a xylotriose oligosaccharide
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?
additional information
?
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isoform GH115 is able to release 4-O-methylglucuronoxylan from both polymeric 4-O-methylglucuronoxylan and 4-O-methylglucurono-xylo-oligosaccharides. GH115 cleaves 4-O-ethylglucuronoxylan from both internal and non-reducing end xylosyl residues, with the exception of 4-O-methylglucuronate attached to the non-reducing end of a xylotriose oligosaccharide
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?
additional information
?
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isoform GH67 is able to release O-methylglucuronoxylan from O-methylglucuronoxylan-substituted xylo-oligosaccharides (UAmeXOS), but only the O-methylglucuronoxylan linked to the non-reducing end xylosyl residue is cleaved
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?
additional information
?
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isoform GH67 is able to release O-methylglucuronoxylan from O-methylglucuronoxylan-substituted xylo-oligosaccharides (UAmeXOS), but only the O-methylglucuronoxylan linked to the non-reducing end xylosyl residue is cleaved
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?
additional information
?
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isoform GH67 is able to release O-methylglucuronoxylan from O-methylglucuronoxylan-substituted xylo-oligosaccharides (UAmeXOS), but only the O-methylglucuronoxylan linked to the non-reducing end xylosyl residue is cleaved
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?
additional information
?
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the enzyme shows activity toward glucuronoxylan and oligomers thereof with preference toward 4-O-methyl glucopyranosyluronic acid linked to internal xylopyranosyl residues
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?
additional information
?
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the enzyme shows activity toward glucuronoxylan and oligomers thereof with preference toward 4-O-methyl glucopyranosyluronic acid linked to internal xylopyranosyl residues
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?
additional information
?
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the enzyme shows activity toward glucuronoxylan and oligomers thereof with preference toward 4-O-methyl glucopyranosyluronic acid linked to internal xylopyranosyl residues
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?
additional information
?
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no activity with p-nitrophenyl-alpha-D-glucuronoside
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?
additional information
?
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important enzyme for the utilization of substituted xylans
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?
additional information
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enzyme is induced by growth on beech wood or birch wood
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?
additional information
?
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important enzyme for the utilization of substituted xylans
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?
additional information
?
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enzyme is induced by growth on beech wood or birch wood
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?
additional information
?
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the three enzymes, xylanase, alpha-D-glucuronidase, and beta-glucosidase, together are responsible for complete degradation of larchwood xylan to xylose and 4-O-methyl-alpha-D-glucuronic acid
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?
additional information
?
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no activity with p-nitrophenyl-alpha-D-glucuronoside
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?
additional information
?
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enzyme prefers low-molecular-weight xylooligomers as substrates. The enzyme acts almost exclusively on the bond between the terminal xylose at the nonreducing end of the xylose chain and the methyl glucuronic acid attached to it
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?
additional information
?
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enzyme prefers low-molecular-weight xylooligomers as substrates. The enzyme acts almost exclusively on the bond between the terminal xylose at the nonreducing end of the xylose chain and the methyl glucuronic acid attached to it
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?
additional information
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the enzyme functions synergistically with a GH10 endoxylanase enzyme to hydrolyze the substrate
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?
additional information
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the enzyme functions synergistically with xylanase in the hydrolysis of xylan substrate. The main products of the hydrolysis reaction are xylotriose, xylotetraose, and xylopentaose
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