3.2.1.33: amylo-alpha-1,6-glucosidase
This is an abbreviated version!
For detailed information about amylo-alpha-1,6-glucosidase, go to the full flat file.
Word Map on EC 3.2.1.33
-
3.2.1.33
-
glycogenosis
-
myopathy
-
hepatomegaly
-
maltase
-
gsd-iii
-
maltotetraosyl
-
maltooligosaccharide
-
maltotriosyl
-
medicine
-
synthesis
-
nutrition
-
analysis
- 3.2.1.33
- glycogenosis
- myopathy
- hepatomegaly
- maltase
-
gsd-iii
-
maltotetraosyl
- maltooligosaccharide
-
maltotriosyl
- medicine
- synthesis
- nutrition
- analysis
Reaction
Synonyms
1,4-glucan-4-glucosyltransferase/amylo-1,6-glucosidase, 4-alpha-glucano-transferase amylo-1,6-glucosidase, alpha-(1,6)-glucosidase, alpha-1,6-glucosidase, amylo-1,6-glucosidase, amylo-1,6-glucosidase-oligo-1,4-1,4-transferase, amylo-1,6-glucosidase/1,4-alpha-glucan 4-alpha-glucan 4-alpha-glycosyltransferase, amylo-1,6-glucosidase/1,4-alpha-glucan:1,4-alpha-glucan 4-alpha-glycosyltransferase, amylo-1,6-glucosidase/4-alpha-glucanotransferase, amylo-1,6-glucosidase/oligo-1,4-1,4-glucantransferase, amylo-alpha-1,6-glucosidase, amylo-alpha-1,6-glucosidase activity, amyloglucosidase, amylopectin 1,6-glucosidase, debrancher enzyme, debrancher protein, dextrin 6-alpha-D-glucosidase, dextrin 6-alpha-glucosidase, dextrin 6-glucanohydrolase, dextrin 6-glucohydrolase, dextrin-1,6-glucosidase, dextrin:6-glucohydrolase, GDE, GDE amylo-alpha-1,6-glucosidase, glucosidase, amylo-1,6-, glucosidase/transferase, glycogen debranching enzyme, glycogen debranching system, glycogen phosphorylase dextrin 6-glucanohydrolase, glycogen phosphorylase limit dextrin alpha-1,6-glucohydrolase, glycogen phosphorylase limit dextrin debranching system, indirect debranching enzyme, NPDE, oligo-alpha-1,4-glucan:alpha-1,4-glucan-4-glycosyltransferase-amylo-1,6-glucosidase, SSO2094, transferase-glucosidase, TreX
ECTree
3.2.1.33 amylo-alpha-1,6-glucosidaseAdvanced search results
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results (Substrates Products
Substrates Products on EC 3.2.1.33 - amylo-alpha-1,6-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
6-O-alpha-maltosyl-beta-cyclodextrin + H2O
maltose + beta-cyclodextrin
-
-
-
-
?
63-alpha-glucosyl maltopentaose + H2O
maltopentaose + D-glucose
-
-
-
r
alpha-(1-6)-glucosyl cycloheptaamylose + H2O
cycloheptaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
amylose
cycloamylose
-
-
degree of polymerization between 11 and 50
-
?
Glc-alpha-1,4-Glc-alpha-1,4-(Glc-alpha-1,6)-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-1-deoxy-1-[(2-pyridylamino)-D-glucitol] + H2O
Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-1-deoxy-1-[(2-pyridylamino)-D-glucitol] + D-glucose
Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-(Glc-alpha-1,6)Glc-alpha-1,4-Glc-alpha-1,4-Glc + H2O
Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc + D-glucose
-
the substrate is hydrolyzed most rapidly
-
-
?
Glc1-4Glc-alpha1-4(Glc-alpha1-6)Glc-alpha1-4 Glc-alpha1-4 Glc-alpha1-4Glc-2-aminopyridine + H2O
?
-
-
-
-
?
Glcalpha1-4Glcalpha1-4Glcalpha1-4(Glcalpha1-6)Glcalpha1-4Glcalpha1-4Glcalpha1-4Glcalpha1-4-(1-deoxy-1-[(2-pyridyl)amino]-D-glucitol) + H2O
Glcapha1-4Glcalpha1-4Glcalpha1-4Glcalpha1-4Glcalpha1-4Glcalpha1-4Glcalpha1-4-(1-deoxy-1-[(2-pyridyl)amino]-D-glucitol) + D-glucose
-
-
-
-
?
Glcalpha1-6Glcalpha1-4Glcalpha1-4Glcalpha1-4Glcalpha1-4Glcalpha1-4GlcPA + H2O
?
-
-
-
-
?
phosphorylase limit dextrin + H2O
?
-
the purified enzyme has both maltooligosaccharide transferase and amylo-1,6-glucosidase activities within a single polypeptide chain, and the combination of these two activities removes the branches of phosphorylase limit dextrin
-
-
?
2 D-glucose
6-O-alpha-D-glucosyl-D-glucose + H2O
-
-
isomaltose
r
2 D-glucose
6-O-alpha-D-glucosyl-D-glucose + H2O
-
-
isomaltose
r
2 D-glucose
6-O-alpha-D-glucosyl-D-glucose + H2O
-
-
isomaltose
r
6-O-alpha-D-glucosyl cyclodextrin + H2O
D-glucose + cyclodextrin
-
branched
-
?
6-O-alpha-D-glucosyl cyclodextrin + H2O
D-glucose + cyclodextrin
-
-
-
?
6-O-alpha-D-glucosyl cyclomalto-octaose + H2O
D-glucose + cyclomalto-octaose
-
-
-
-
?
6-O-alpha-D-glucosyl cyclomalto-octaose + H2O
D-glucose + cyclomalto-octaose
-
-
-
-
?
6-O-alpha-D-glucosyl cyclomaltoheptaose + H2O
D-glucose + cyclomaltoheptaose
-
-
-
-
?
6-O-alpha-D-glucosyl cyclomaltoheptaose + H2O
D-glucose + cyclomaltoheptaose
-
-
-
-
?
6-O-alpha-D-glucosyl cyclomaltohexaose + H2O
D-glucose + cyclomaltohexaose
-
poor substrate
-
-
?
6-O-alpha-D-glucosyl cyclomaltohexaose + H2O
D-glucose + cyclomaltohexaose
-
poor substrate
-
-
?
6-O-alpha-maltotetraosyl cyclomaltoheptaose + H2O
?
-
very poor substrate
-
-
?
6-O-alpha-maltotetraosyl cyclomaltoheptaose + H2O
?
-
poor substrate
-
-
?
6-O-alpha-maltotetraosyl-beta-cyclodextrin + H2O
?
the enzyme catalyzes both hydrolysis of alpha-1,6-glycosidic linkages and transglycosylation at relatively high (above 0.5 mM) substrate concentrations
-
-
?
6-O-alpha-maltotetraosyl-beta-cyclodextrin + H2O
?
the enzyme catalyzes both hydrolysis of alpha-1,6-glycosidic linkages and transglycosylation at relatively high (above 0.5 mM) substrate concentrations
-
-
?
6-O-alpha-maltotriosyl cyclomaltoheptaose + H2O
?
-
very poor substrate
-
-
?
6-O-alpha-maltotriosyl cyclomaltoheptaose + H2O
?
-
poor substrate
-
-
?
63-alpha-glucosyl maltotetraose + H2O
maltotetraose + D-glucose
-
branched pentasaccharide "fast B5"
-
-
r
63-alpha-glucosyl maltotetraose + H2O
maltotetraose + D-glucose
-
-
-
r
63-alpha-glucosyl maltotetraose + H2O
maltotetraose + D-glucose
-
-
-
-
r
63-alpha-glucosyl maltotetraose + H2O
maltotetraose + D-glucose
-
branched pentasaccharide "fast B5"
-
-
r
63-alpha-glucosyl maltotetraose + H2O
maltotetraose + D-glucose
-
branched pentasaccharide "fast B5"
-
r
63-alpha-glucosyl maltotetraose + H2O
maltotetraose + D-glucose
-
branched pentasaccharide "fast B5"
-
r
63-alpha-glucosyl maltotetraose + H2O
maltotetraose + D-glucose
-
branched pentasaccharide "fast B5"
-
r
63-alpha-glucosyl maltotetraose + H2O
maltotetraose + D-glucose
-
branched pentasaccharide "fast B5"
-
-
r
63-alpha-maltotriosyl maltotetraose + H2O
?
-
branched heptasaccharide B7
-
-
?
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
-
-
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
-
-
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
-
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
-
-
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
-
-
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin
alpha-Schardinger dextrin
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
-
-
-
r
alpha-(1-6)-glucosyl cyclohexaamylose + H2O
cyclohexaamylose + D-glucose
-
-
-
-
?
alpha-D-glucosyl fluoride
fluoride + D-glucose
-
in absence or presence of glycogen or polysaccharide
-
?
amylopectin + H2O
amylopectin + D-glucose
-
very poor substrate
partially debranched
?
amylopectin + H2O
amylopectin + D-glucose
-
very poor substrate
partially debranched
r
amylopectin + H2O
amylopectin + D-glucose
-
phi-dextrin, beta-dextrin and phi-beta-dextrin from amylopectin
partially debranched
?
amylopectin + H2O
amylopectin + D-glucose
-
phi-dextrin, beta-dextrin and phi-beta-dextrin from amylopectin
partially debranched
r
amylopectin + H2O
amylopectin + D-glucose
-
slowly hydrolyzed
-
-
r
amylopectin + H2O
amylopectin + D-glucose
-
slowly hydrolyzed
partially debranched
?
amylopectin + H2O
amylopectin + D-glucose
-
phi-dextrin, beta-dextrin and phi-beta-dextrin from amylopectin
partially debranched
?
amylopectin + H2O
amylopectin + D-glucose
-
phi-dextrin, beta-dextrin and phi-beta-dextrin from amylopectin
partially debranched
r
beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
-
reverse reaction: glucose incorporation into beta-limit dextrin
reverse reaction: glucose incorporation into beta-limit dextrin
r
beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
-
beta-dextrin
-
r
beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
-
beta-dextrin
-
r
beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
-
beta-dextrin
reverse reaction: glucose incorporation into beta-limit dextrin
r
beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
-
beta-dextrin
-
r
beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
-
beta-dextrin
-
r
branched cyclodextrin + H2O
?
the TreX protein has a specificity for hydrolysis of chains consisting of 6 glucose residues or longer
-
-
?
branched cyclodextrin + H2O
?
the TreX protein has a specificity for hydrolysis of chains consisting of 6 glucose residues or longer
-
-
?
D-glucose + maltooligosaccharide
maltooligosaccharide
-
-
branched
r
D-glucose + maltooligosaccharide
maltooligosaccharide
-
-
branched
r
D-glucose + maltooligosaccharide
maltooligosaccharide
-
-
branched
r
D-glucose + maltooligosaccharide
maltooligosaccharide
-
maltotetraose and maltopentaose
branched
r
D-glucose-beta-cyclodextrin + H2O
D-glucose + beta-cyclodextrin
-
most substrate is hydrolysed at 1 h and completely degraded at 5 h
-
-
?
D-glucose-beta-cyclodextrin + H2O
D-glucose + beta-cyclodextrin
-
most substrate is hydrolysed at 1 h and completely degraded at 5 h
-
-
?
Glc-alpha-1,4-Glc-alpha-1,4-(Glc-alpha-1,6)-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-1-deoxy-1-[(2-pyridylamino)-D-glucitol] + H2O
Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-1-deoxy-1-[(2-pyridylamino)-D-glucitol] + D-glucose
-
-
-
-
?
Glc-alpha-1,4-Glc-alpha-1,4-(Glc-alpha-1,6)-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-1-deoxy-1-[(2-pyridylamino)-D-glucitol] + H2O
Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-1-deoxy-1-[(2-pyridylamino)-D-glucitol] + D-glucose
-
-
-
-
?
Glc-alpha-1,4-Glc-alpha-1,4-(Glc-alpha-1,6)-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-1-deoxy-1-[(2-pyridylamino)-D-glucitol] + H2O
Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-Glc-alpha-1,4-1-deoxy-1-[(2-pyridylamino)-D-glucitol] + D-glucose
-
-
-
-
?
glycogen + H2O
?
-
total degradation of glycogen requires combined actions of glycogen phosphorylase and glucosidase/transferase. Glucosidase/transferase: regulatory role of glycogen metabolism in liver
-
-
?
glycogen + H2O
?
-
in addition to 1,6-glucosidase activity, also has some 1,4-glucosidase and transferase activities
-
-
?
glycogen + H2O
glycogen + D-glucose
-
reverse reaction: incorporation of glucose into glycogen
-
r
glycogen + H2O
glycogen + D-glucose
-
reverse reaction: incorporation of glucose into glycogen
-
-
r
glycogen + H2O
glycogen + D-glucose
-
reverse reaction: incorporation of glucose into glycogen
-
-
r
glycogen + H2O
glycogen + D-glucose
-
rabbit liver glycogen: very poor substrate, shellfish glycogen: not a substrate
-
-
r
glycogen + H2O
glycogen + D-glucose
-
reverse reaction: synthesis of (1, 6)-bound side chains, reincorporation of glucose into polysaccharide
-
-
r
glycogen + H2O
glycogen + D-glucose
-
reverse reaction: incorporation of glucose into glycogen
-
-
r
glycogen + H2O
glycogen + D-glucose
-
slight reversibility
-
-
r
glycogen + H2O
glycogen + D-glucose
-
rabbit liver glycogen: slowly
-
-
r
glycogen + H2O
glycogen + D-glucose
-
73.5% activity compared to amylopectin
-
-
?
glycogen + H2O
glycogen + D-glucose
-
reverse reaction: synthesis of (1, 6)-bound side chains, reincorporation of glucose into polysaccharide
-
-
r
glycogen + H2O
glycogen + D-glucose
-
native glycogen from shellfish and rabbit liver
-
-
r
glycogen + H2O
glycogen + D-glucose
-
reverse reaction: incorporation of glucose into glycogen
-
-
r
glycogen + H2O
glycogen + D-glucose
-
liver glycogen and shellfish glycogen: one-tenth of activity compared with glycogen phosphorylase limit dextrin as substrate
-
r
glycogen phosphorylase limit dextrin + H2O
?
-
-
-
-
?
glycogen phosphorylase-limit dextrin + H2O
?
-
phi-dextrin
-
-
?
glycogen phosphorylase-limit dextrin + H2O
?
-
total degradation of glycogen is accomplished by the combined action of glycogen phosphorylase and glycogen debranching enzyme
-
-
?
glycogen phosphorylase-limit dextrin + H2O
?
-
phi-dextrin
-
-
?
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
best substrate
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
partially debranched glycogen
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
best substrate
partially debranched glycogen
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
symmetric dextrin
asymmetric dextrin
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
debranched phi-dextrin
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
partially debranched glycogen
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
best substrate
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
phi-dextrin
-
r
glycogen phosphorylase-limit dextrin + H2O
limit dextrin + D-glucose
-
-
-
r
phosphorylase beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
-
limit dextrin, beta-phi-dextrin, derived from the action of beta-amylase on the phosphorylase limit dextrin
-
r
phosphorylase beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
-
limit dextrin, beta-phi-dextrin, derived from the action of beta-amylase on the phosphorylase limit dextrin
-
r
phosphorylase beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
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limit dextrin, beta-phi-dextrin, derived from the action of beta-amylase on the phosphorylase limit dextrin
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r
phosphorylase beta-amylase limit dextrin + H2O
limit dextrin + D-glucose
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limit dextrin, beta-phi-dextrin, derived from the action of beta-amylase on the phosphorylase limit dextrin
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r
additional information
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glycogen debranching system may be regarded as an integral part of the overall phosphorolytic pathway for the degradation of glycogen
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additional information
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glycogen debranching system, indirect debranching enzymes, is the dominant type of glycogen debranching mechanism, where glycogen is stored
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?
additional information
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NPDE exhibits hydrolysis activity toward both alpha-(1,6)- and alpha-(1,4)-glucosidic linkages, NPDE specifically liberates glucose from the reducing end, the catalytic efficiency of NPDE increases considerably upon using substrates that can occupy at least eight glycone subsites. Side chains shorter than maltooctaose in amylopectin are resistant to hydrolysis by NPDE
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additional information
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6-O-alpha-maltosyl cyclomaltoheptaose: not a substrate
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?
additional information
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63-alpha-glucosyl maltotriose: not a substrate
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?
additional information
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glycogen debranching system may be regarded as an integral part of the overall phosphorolytic pathway for the degradation of glycogen
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?
additional information
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6-O-alpha-maltosyl cyclomaltoheptaose: not a substrate
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?
additional information
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glycogen debranching system may be regarded as an integral part of the overall phosphorolytic pathway for the degradation of glycogen
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?
additional information
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in vivo degradation of glycogen requires the presence of both glycogen hydrolase and the enzyme
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?
additional information
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cyclization reaction also occurs with starch
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additional information
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glycogen debranching enzyme might play an important role in the structure of glycogen particles, or the control of its metabolism
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?
additional information
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activity with glycogen, soluble starch, amylopektin and pullulan is less than 1% of the activity with phosphorylase limit dextrin
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additional information
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the alpha-1,6-glycosidic linkage of dextrins (Glc-alpha-1,4)m-(Glc-alpha-1,6)Glc-alpha-1,4-(Glc-alpha-1,4)n-1-deoxy-1-[2(pyridyl)amino]-D-glucitol with m equal 0 or n equal 0 can not be hydrolyzed by the enzyme, indicating that at least the two glycosyl residues sandwiching the isomaltosyl moiety are indispensable for hydrolysis by the GDE amylo-alpha-1,6-glucosidase activity
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additional information
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fluorogenic dextrins with non-reducing-end isomaltosyl residues, Glcalpha1-6Glcalpha1-4(Glcalpha1-4)nGlcPA, are not hydrolysed by the GDE amylo-alpha-1,6-glucosidase found in porcine liver
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