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2.4.1.11: glycogen(starch) synthase

This is an abbreviated version!
For detailed information about glycogen(starch) synthase, go to the full flat file.

Word Map on EC 2.4.1.11

Reaction

UDP-alpha-D-glucose
+
[(1->4)-alpha-D-glucosyl]n
=
UDP
+
[(1->4)-alpha-D-glucosyl]n+1

Synonyms

Cg-GYS, GBSS, GBSSI, glucosyltransferase, uridine diphosphoglucose-glycogen, glycogen synthase, glycogen synthase 2, glycogen synthase-2, glycogen synthetase (starch), granule bound starch synthase, granule-bound starch synthase, GS-I, GSN, GSY2p, Gys-2, GYS1, GYS2, Gys2p, starch synthase I, starch/glycogen synthase, TVAG_258220, UDP-glucose-glycogen glucosyltransferase, UDP-glycogen synthase, UDPG-glycogen synthetase, UDPG-glycogen transglucosylase, uridine diphosphoglucose-glycogen glucosyltransferase

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.11 glycogen(starch) synthase

Inhibitors

Inhibitors on EC 2.4.1.11 - glycogen(starch) synthase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
(NH4)2SO4
-
20% inactivation at 20 mM
1,5-gluconolactone
-
-
2,3-diphosphoglyceric acid
-
high concentrations
2-mercaptoethanol
-
high concentrations
adenine nucleotides
-
-
ADP-glucose
-
competitive with UDPglucose
beta-Glycerophosphate
-
-
CaCl2
Caffeine
-
10-50 mM
calyculin A
-
-
Cl-
-
-
D-glucose
-
-
D-glucose-1-phosphate
-
-
dithiobis-(2-nitrobenzoic acid)
-
77% inactivation at 1 mM
dithiothreitol
-
high concentrations
epinephrine
-
leads to phosphorylation of enzyme
ethanol
-
traces inactivate the enzyme
fructose 1,6-diphosphate
-
high concentrations
glucagon
-
leads to phosphorylation of enzyme
glucosamine
-
high concentrations during cultivation
glucose
Insulin
-
pre-treatment of cells inhibits, 0.001 mM isoproterenol reverses inhibition
-
iodoacetate
iodobenzoate
-
22% inactivation at 1 mM
KCN
-
58% inhibition at 0.1 M
microcystin
-
-
-
N-ethylmaleimide
-
83% inactivation at 3 mM
Na2SO4
-
high concentrations
nucleoside phosphates
-
overview
okadaic acid
-
-
Oxytocin
-
leads to phosphorylation of enzyme
p-chloromercuribenzoate
-
90% inactivation at 0.01 mM, dithiothreitol reverses
phenylmercuric acetate
-
-
phloridzin
-
50% inhibition at 3.3 mM
Phorbol esters
-
-
phosphate
potassium borate
-
80% inhibition at 0.2 M
SO42-
theophylline
-
10-50 mM
trehalose phosphate
-
59% inhibition at 10 mM
UDP-galactose
-
-
UDP-glucose
UDP-pyridoxal
uridine 5'-phosphate
-
50% inhibition
Vasopressin
-
leads to phosphorylation of enzyme
additional information
-