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3.2.1.68: isoamylase

This is an abbreviated version!
For detailed information about isoamylase, go to the full flat file.

Word Map on EC 3.2.1.68

Reaction

alpha-Glcp-(1-3)-alpha-Glcp-(1-6)-[alpha-Glcp-(1-3)-alpha-Glcp-(1-6)-alpha-Glcp-(1-3)-alpha-Glcp-(1-3)]-alpha-Glcp-(1-3)-alpha-Glcp
+ 2 H2O = 2 alpha-Glcp-(1-3)-alpha-Glcp +
alpha-Glcp-(1-3)-alpha-Glcp-(1-3)-alpha-Glcp-(1-3)-alpha-Glcp

Synonyms

alkaline isoamylase, alpha 1,6-glucan hydrolase, alpha-1,6-glucosidase, ArDBEp, AtISA1, AtISA1/AtISA2 isoamylase, AtISA2, AtISA3, bacterial isoamylase, CrISA1, Cythophaga isoamylase, DBE, DBEI, debranching enzyme, GlgX, glycogen 6-glucanohydrolase, glycogen alpha-1,6-glucanohydrolase, glycogen debranching enzyme, glycogen-6-glucanogydrolase, glycogen-6-glucanohydrolase, glycogen-debranching enzyme, IAM, ISA, ISA1, ISA1-type DBE, ISA2, ISA3, isoamylase, isoamylase 1, isoamylase 2, isoamylase 3, isoamylase II, isoamylase-type debranching enzyme, isoamylase-type starch debranching enzyme 1, isoamylase-type starch debranching enzyme 2, isoamylase-type starch-debranching enzyme, isoamylase1, maize Sugary-1 isoamylase, OsISA1, OsISA2, pancreatic isoamylase isoA, plant isoamylase, potato isoamylase, Pseudomonas isoamylase, PvISA1, PvISA2, PvISA3, rice isoamylase, starch debranching enzyme, SU1 isoamylase, TreX, yeast isoamylase, ZmISA1, ZmISA2

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.68 isoamylase

Inhibitors

Inhibitors on EC 3.2.1.68 - isoamylase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
(NH4)2Mo2O7
-
1 mM 22% inhibition, 10 mM 100% inhibition
2,4-dinitrofluorobenzene
-
-
2-Hydroxy-5-nitrobenzyl bromide
-
-
ammonium sulfate
-
0.5 M, 30% residual activity
beta-cyclodextrin
-
29%, slightly inhibitory at 10 mM
cellobiose
-
10 mM, 0.4% amylose, relative activity 88%
corn amylose
-
-
-
CuCl2
cyclomaltoheptaose
-
10 mM, 0.4% amylose, relative activity 93%
D-glucono-delta-lactone
-
relative activity 87%
D-glucose
-
10 mM, 0.4% amylose, relative activity 95%
EDTA
-
5 mM, 80% residual activity
Fe3+
59% inhibition at 0.5 mM, 90% at 5 mM
guanidine hydrochloride
-
3 M, activity completely lost
HgCl2
Iodine
-
relative activity 93%
iodoacetate
isomaltose
-
10 mM, 0.4% amylose, relative activity 82%
maltose
-
10 mM, inhibition slightly, with 0.4% amylose relative activity 90%
maltotetraose
-
10 mM, 0.4% amylose, relative activity 50%
maltotriose
MgCl2
-
5 mM, 70% residual activity
MnCl2
-
5 mM, 80% residual activity
N-bromosuccinimide
NaF
-
1 mM, 19% inhibition
oligosaccharides with alpha-1,4-glucosidic linkages
-
-
p-chloromercuribenzoate
Phenylmercuriacetate
-
-
phenylmethanesulfonyl fluoride
9% inhibition at 5 mM
Sn2+
28% inhibition at 0.5 mM, 73% at 5 mM
sodium dodecylsulfate
-
1 mM, no residual activity
Succinic anhydride
-
relative activity 94%
xylose
-
10 mM, 0.4% amylose, relative activity 97%
Zn2+
64% inhibition at 0.5 mM, 88% at 5 mM
ZnCl2
-
5 mM, 20% residual activity
additional information
-