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2.4.1.18: 1,4-alpha-glucan branching enzyme

This is an abbreviated version!
For detailed information about 1,4-alpha-glucan branching enzyme, go to the full flat file.

Word Map on EC 2.4.1.18

Reaction

2 1,4-alpha-D-glucan =

alpha-1,4-D-glucan-alpha-1,6-(alpha-1,4-D-glucan)
+
H2O

Synonyms

(1-4)-alpha-D-glucan:(1-4)-alpha-D-glucan 6-alpha-D-[(1-4)-alpha-D-glucano]-transferase, 1,4-alpha-glucan branching enzyme, 1,4-alpha-glucan branching enzyme 1, AGBE, alpha-1,4->alpha-1,6-glycosyltransferase, alpha-1,4-glucan branching enzyme, alpha-1,4-glucan:alpha-1,4-glucan 6-glycosyltransferase, alpha-1,4-glucan:alpha-1,4-glucan-6-glycosyltransferase, alpha-glucan branching enzyme, alpha-glucan-branching glycosyltransferase, amylo-(1,4-1,6)-transglycosylase, amylo-(1,4->1,6)-transglycosylase, amylose isomerase, BBE, BE, BE-01, BE-02, BE-II, BE1, BE2, BE3, BEI, BEII, BEIIa, BEIIb, BGE, branching enzyme, branching factor, enzymatic, branching glycosyltransferase, ChlBE, Dg GBE, Dr GBE, enzyme Q, full-length starch branching enzyme II, GBE, GBE1, GBE1 enzyme, GH13 GBE, GH57-type glycogen branching enzyme, GlgB, glucan transferase, glucosan transglycosylase, glycogen branching enzyme, glycogen branching enzyme GBE1, glycosyltransferase, alpha-glucan-branching, HosBE, IbSBEI, mSBEIIa, ORF Rv1326c, PH1386, PhGBE, PvSBE1, PvSBE2, Q-enzyme, QE, rBEI, rice branching enzyme I, RMEBE, RoBE, SBE, SBE A, SBE B, SBE I, SBE IIa, SBE Iib, SBE-I, SBE1, SBEI, SBEII, SBEIIA, SBEIIB, ScoBE, SmGBE, starch branching enzyme, starch branching enzyme I, starch branching enzyme II, starch branching enzyme IIa, starch branching enzyme IIb, starch branching enzyme SBE I, starch branching enzyme SBE IIb, starch branching enzyme-I, starch-branching enzyme, starch-branching enzyme Ia, starch-branching enzyme IIa, starch-branching enzyme IIb, starch-branching enzymes IIa, starch-branching enzymes IIb, starch-branching-enzyme, TK1436, VsbeII

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.18 1,4-alpha-glucan branching enzyme

Activating Compound

Activating Compound on EC 2.4.1.18 - 1,4-alpha-glucan branching enzyme

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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
(NH4)2SO4
-
10 mM, activates
3-hydroxy-2-oxopropyl dihydrogen phosphate
-
10 mM, activates
3-phosphoglycerate
-
10 mM, activates
acetate
-
activation
ADP
-
10 mM, activates
ADPglucose
-
10 mM, activates
AMP
-
10 mM, activates
ATP
-
10 mM, activates
Borate
-
activation
citrate
Cl-
-
activation
diphosphate
-
10 mM, activates
dithiothreitol
fructose 1,6-diphosphate
-
10 mM, activates
fructose 6-phosphate
-
10 mM, activates
glucose 1-phosphate
-
10 mM, activates
glucose 6-phosphate
-
10 mM, activates
glycerol
103.9% activity at 10% (v/v)
NaCl
-
concentration of 0.5 - 1 M NaCl
NADP+
-
10 mM, activates
phosphate
phosphoenolpyruvate
-
10 mM, activates
polyvinyl alcohol
-
dilution of purified enzyme with a glycine buffer, pH 8.5, containing 1.0 mM DTT, and 0.04% w/v polyvinyl alcohol 50000, produces a striking and significant increase in enzyme activity when diluted 1:2 to 1:10
potassium alpha-D-glucose 1-phosphate
ribose 5-phosphate
-
10 mM, activates
RuBP
-
10 mM, activates
SO42-
-
activation
starch synthase I
interaction between starch synthase I (SSI) and branching enzyme (BE) is established by stimulation of SSI activity with BE and by activation of the BE activity by SSI
-
additional information
-
peak of activities at the 28th day post anthesis, higher activity in the cultivar with a high starch content
-