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Information on EC 3.2.1.33 - amylo-alpha-1,6-glucosidase
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EC Tree
3.2.1.33 amylo-alpha-1,6-glucosidaseIUBMB Comments
This enzyme hydrolyses an unsubstituted glucose unit linked by an alpha(1->6) bond to an alpha(1->4) glucose chain. The enzyme activity found in mammals and yeast is in a polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25 (4-alpha-glucanotransferase), which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can then hydrolyse. Together, these two activities constitute the glycogen debranching system.
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Word Map
- 3.2.1.33
- glycogenosis
- myopathy
- hepatomegaly
- maltase
-
gsd-iii
-
maltotetraosyl
- maltooligosaccharide
-
maltotriosyl
- medicine
- synthesis
- nutrition
- analysis
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria, Archaea
Synonyms
amylo-1,6-glucosidase, debrancher enzyme, amylo-alpha-1,6-glucosidase, debrancher protein, amylo-alpha-1,6-glucosidase activity, amylo-1,6-glucosidase/4-alpha-glucanotransferase, dextrin 6-glucohydrolase, 
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SYNONYM 
ORGANISM
UNIPROT
COMMENTARY 
LITERATURE
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
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
-
part of the 170000 Da multifunctional glycogen debranching enzyme (GDE)
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
-
-
-
-
oligo-alpha-1,4-glucan:alpha-1,4-glucan-4-glycosyltransferase-amylo-1,6-glucosidase
-
-
-
-
SSO2094
transferase-glucosidase
-
-
-
-
TreX
amylo-1,6-glucosidase
-
-
-
-
amylo-1,6-glucosidase
part of the multifunctional glycogen debranching enzyme
amylo-1,6-glucosidase
-
part of the putative glycogen-debranching enzyme SSGDE
dextrin 6-alpha-glucosidase
-
-
-
-
dextrin 6-alpha-glucosidase
-
part of the glycogen debranching enzyme, hydrolyzes dextrins with the structure Glc-alpha-1,4-(Glc-alpha-1,6)Glc-alpha-1,4-Glc to D-glucose and the corresponding pyridylamino-maltooligosaccharides
glycogen debranching enzyme
-
-
-
-
glycogen debranching enzyme
-
the enzyme shows alpha-1,6-glucosidase activity with the C-terminal domain
glycogen debranching enzyme
-
the enzyme shows alpha-1,6-glucosidase activity with the C-terminal domain
-
glycogen debranching enzyme
-
exhibits 4-alpha-glucanotransferase and amylo-alpha-1,6-glucosidase activities
glycogen debranching system
-
EC 3.2.1.33 found in mammals and yeast is in a single polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25, 4-alpha-glucanotransferase, which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can hydrolyse. Together, these two activities constitute the glycogen debranching system
glycogen debranching system
-
EC 3.2.1.33 found in mammals and yeast is in a single polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25, 4-alpha-glucanotransferase, which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can hydrolyse. Together, these two activities constitute the glycogen debranching system
glycogen debranching system
-
EC 3.2.1.33 found in mammals and yeast is in a single polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25, 4-alpha-glucanotransferase, which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can hydrolyse. Together, these two activities constitute the glycogen debranching system
glycogen debranching system
-
EC 3.2.1.33 found in mammals and yeast is in a single polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25, 4-alpha-glucanotransferase, which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can hydrolyse. Together, these two activities constitute the glycogen debranching system
glycogen debranching system
-
EC 3.2.1.33 found in mammals and yeast is in a single polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25, 4-alpha-glucanotransferase, which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can hydrolyse. Together, these two activities constitute the glycogen debranching system
glycogen debranching system
-
EC 3.2.1.33 found in mammals and yeast is in a single polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25, 4-alpha-glucanotransferase, which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can hydrolyse. Together, these two activities constitute the glycogen debranching system
glycogen debranching system
-
EC 3.2.1.33 found in mammals and yeast is in a single polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25, 4-alpha-glucanotransferase, which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can hydrolyse. Together, these two activities constitute the glycogen debranching system
glycogen debranching system
-
EC 3.2.1.33 found in mammals and yeast is in a single polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25, 4-alpha-glucanotransferase, which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can hydrolyse. Together, these two activities constitute the glycogen debranching system
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REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT
LITERATURE
6-O-alpha-D-glucosyl cyclomaltoheptaose + H2O = D-glucose + cyclomaltoheptaose
mechanism
-
6-O-alpha-D-glucosyl cyclomaltoheptaose + H2O = D-glucose + cyclomaltoheptaose
stereochemistry
-
6-O-alpha-D-glucosyl cyclomaltoheptaose + H2O = D-glucose + cyclomaltoheptaose
enzyme hydrolyses an unsubstituted (1->6)-alpha-glucose residue that forms a branch point on an alpha-(1->4)-linked glucose chain
-
-
-
6-O-alpha-D-glucosyl cyclomaltoheptaose + H2O = D-glucose + cyclomaltoheptaose
regulation of enzyme activity
-
6-O-alpha-D-glucosyl cyclomaltoheptaose + H2O = D-glucose + cyclomaltoheptaose
alpha-(1->6) linkage can be synthesized in the absence of polysaccharide
-
6-O-alpha-D-glucosyl cyclomaltoheptaose + H2O = D-glucose + cyclomaltoheptaose
thermodynamic data
-
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REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY
LITERATURE
hydrolysis of O-glycosyl bond
-
-
endoglycosidic
-
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SYSTEMATIC NAME
IUBMB Comments
glycogen phosphorylase-limit dextrin 6-alpha-glucohydrolase
This enzyme hydrolyses an unsubstituted glucose unit linked by an alpha(1->6) bond to an alpha(1->4) glucose chain. The enzyme activity found in mammals and yeast is in a polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25 (4-alpha-glucanotransferase), which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can then hydrolyse. Together, these two activities constitute the glycogen debranching system.
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CAS REGISTRY NUMBER
COMMENTARY
9012-47-9
-
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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
?
-
-