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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

pH Range

pH Range on EC 2.4.1.18 - 1,4-alpha-glucan branching enzyme

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5 - 9
5.5 - 7
the enzyme shows more than 70% activity between pH 5.5 and 7.0
5.5 - 7.5
-
the enzyme shows at least 80% of maximal activity from pH 5.5 to pH 7.5. The enzyme activity decreases rapidly at pH values lower than 5.5 and higher than 9.0
5.5 - 8.5
-
active at
6.5 - 11
-
about 60% activity at pH 6.5, about 80% activity at pH 7.0, 100% activity at pH 7.5, more than 90% between pH 8.0, and 11.0
7 - 9
8 - 10
Cyanobacterium sp.
isozyme BE2 shows nearly half of the maximum activity at pH 10.0