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2.4.1.19: cyclomaltodextrin glucanotransferase

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

Word Map on EC 2.4.1.19

Reaction

alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranosyl-(1-4)-alpha-D-glucopyranose
=
alpha-cyclodextrin
 +
alpha-D-glucose

Synonyms

1,4-alpha-D-glucopyranosyl transferase, Akrilex C cyclodextrin glycosyltransferase, alpha-1,4-glucan 4-glycosyltransferase, cyclizing, alpha-cgt, alpha-CGTase, alpha-cyclodextrin glucanotransferase, alpha-cyclodextrin glucosyltransferase, alpha-cyclodextrin glycosyltransferase, Bacillus macerans amylase, beta-CGTase, beta-cyclodextrin glucanotransferase, beta-cyclodextrin glucosyltransferase, beta-cyclodextrin glycosyltransferase, beta-cyclodextrinase, BMA, C-CGTase, CD glucanotransferase, CGT, CGT13, CGTase, cgtS, CGTse ET1, CGT_TK, cyclodextrin beta-glucanotransferase, cyclodextrin glucanotransferase, cyclodextrin glucosyltransferase, cyclodextrin glycosyl transferase, cyclodextrin glycosyltransferase, cyclodextrin-glycosyltransferase, cyclodextrinase, cyclomaltodextrin glucanyltransferase, cyclomaltodextrin glucotransferase, cyclomaltodextrin glycanotransferase, cyclomaltodextrin glycosyltransferase, gamma-CGTase, gamma-cyclodextrin glycosyltransferase, konchizaimu, M-CGTase, More, neutral-cyclodextrin glycosyltransferase, PFCGT, Toruzyme

ECTree

     2 Transferases
         2.4 Glycosyltransferases
             2.4.1 Hexosyltransferases
                2.4.1.19 cyclomaltodextrin glucanotransferase

Specific Activity

Specific Activity on EC 2.4.1.19 - cyclomaltodextrin glucanotransferase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.01
-
gamma-cyclodextrin, opening
0.02
-
beta-cyclodextrin, opening
0.21
-
crude enzyme, at pH 7.0 and 60°C
0.5
-
beta-cyclization
1.08
synthesis of alpha-cyclodextrin, 60°C, pH 6.0
1.1
-
gamma-cyclization, wild-type enzyme
1.24
-
gamma-cyclodextrin, opening
1.42
-
alpha-cyclodextrin, opening
1.7
-
beta-cyclodextrin, opening
127
-
beta-cyclization
14.4
-
beta-cyclodextrin-forming activity, recombinant wild-type enzyme
14.83
-
alpha-cyclodextrin, opening
142
-
mutant enzyme H59Q, cyclization activity
15.5
-
maltotriose, disproportionation
1650
-
ATCC 21783
183.8
-
E 192, cyclodextrin synthesis
190.4
-
alpha-cyclization, wild-type enzyme
198.6
-
disproportionation activity, purified enzyme
2.4
-
maltotriose, disproportionation
203.1
-
alpha-cyclodextrin, coupling
205
-
purified enzyme
21.7
-
beta-cyclodextrin-forming activity, recombinant mutant K47R
216
synthesis of beta-cyclodextrin, 60°C, pH 6.0
226
-
wild-type enzym, cyclization activity
2268
-
glycosyltransferase gene fused with thioredoxin, hexa-histidine and S-protein at the N-terminus and a proline-rich peptide at the C-terminus, pH 6.0, 40°C
23
-
beta-cyclization
23.3
-
purified native enzyme, substrate is gelatinized soluble starch
23.5
-
coupling activity, purified enzyme
265
-
beta-cyclization by strain BC251 enzyme
28
-
beta-cyclization
281
-
ATCC 21783
32.2
-
beta-cyclization, wild-type enzyme
32.26
-
commercial preparation
332
-
mutant enzyme Y96M, cyclization activity
342
-
mutant enzyme DELTA154-160, cyclization activity
347.9
-
purified enzyme, substrate maltodextrin
35.9
-
beta-cyclodextrin-forming activity, recombinant mutant K47H
37.4
-
alpha-cyclodextrin, coupling
4000
purified enzyme
45.9
-
alpha-cyclodextrin-forming activity, recombinant mutant K47L
450
wild type enzyme, at pH 6.0 and 50°C
456
mutant enzyme I641T, at pH 6.0 and 50°C
46.4
-
alpha-cyclodextrin-forming activity, recombinant mutant K47S
463
mutant enzyme I631T, at pH 6.0 and 50°C
47.4
-
alpha-cyclodextrin-forming activity, recombinant mutant K47T
487
mutant enzyme K647E, at pH 6.0 and 50°C
5000
purified recombinant enzyme
51.4
-
beta-cyclodextrin-forming activity, recombinant mutant K47T
51.5
-
beta-cyclodextrin-forming activity, recombinant mutant K47S
52
-
beta-cyclization by strain BC8 enzyme
53.1
-
beta-cyclodextrin-forming activity, recombinant mutant K47L
57.7
-
after 274fold purification, at pH 7.0 and 60°C
60.39
-
purified enzyme
62.9
-
alpha-cyclodextrin-forming activity, recombinant mutant K47H
75.8
-
cyclization activity, purified enzyme
77.3
-
alpha-cyclodextrin-forming activity, recombinant mutant K47R
79.8
-
maltodextrin, pH 8.0, 50°C
85.1
-
alpha-cyclodextrin-forming activity, recombinant wild-type enzyme
877.9
-
strain Al-6
88
-
E 192, dextrinizing-like activity
883
-
starch, cyclodextrin synthesis
89.7
-
purified recombinant enzyme
9.7
-
purified native enzyme
90.3
-
hydrolyzed cassava starch, pH 8.0, 50°C
90.9
-
hydrolyzed potato starch, pH 8.0, 50°C
94
beta-cyclization, commercial preparation
97.1
-
hydrolyzed corn starch, pH 8.0, 50°C
additional information