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(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
1,4-alpha-D-amyloheptaose + (1,6-alpha-D-glucopyranosyl)n
dextran
-
-
-
?
4-nitrophenyl-alpha-D-glucopyranoside + H2O
4-nitrophenol + alpha-D-glucopyranose
cellobiose + starch
?
-
starch is the donor substrate, cellobiose the acceptor substrate
-
-
?
D-glucosyl-alpha-(1,4)-D-xylose + starch
?
-
starch is the donor substrate, D-glucosyl-alpha(1,4)-D-xylose the acceptor substrate
-
-
?
dextran + salicin
?
-
dextran is the donor substrate, salicin the acceptor substrate
-
-
?
dextran + salicin
glucosyl-alpha-1,6-salicin + isomaltosyl-alpha-1,6-salicin
-
-
-
?
gentiobiose + starch
?
-
starch is the donor substrate, gentiobiose the acceptor substrate
-
-
?
isomaltooligosaccharide
glucose + isomaltooligosaccharides
-
-
-
?
isomaltose
dextran
-
-
-
?
isomaltose + salicin
?
-
isomaltose is the donor substrate, salicin the acceptor substrate
-
-
?
isomaltose + salicin
glucosyl-alpha-1,6-salicin + isomaltosyl-alpha-1,6-salicin
-
-
-
?
isomaltose + starch
?
-
starch is the donor substrate, isomaltose the acceptor substrate
-
-
?
isoprimeverose + starch
?
-
starch is the donor substrate, isoprimeverose the acceptor substrate
-
-
?
kojibiose + starch
?
-
starch is the donor substrate, kojibiose the acceptor substrate
-
-
?
laminaribiose + starch
?
-
starch is the donor substrate, laminaribiose the acceptor substrate
-
-
?
maltooligosaccharide
alpha-1,6-glucan
-
-
-
?
maltooligosaccharide
dextran
-
-
-
?
maltose
dextran
-
no activity with kojibiose, sophorose, nigerose, laminaribiose, cellobiose, gentiobiose or trehalose
-
?
maltose + salicin
?
-
maltose is the donor substrate, salicin the acceptor substrate
-
-
?
maltose + salicin
glucosyl-alpha-1,6-salicin + isomaltosyl-alpha-1,6-salicin
-
-
-
?
maltose + starch
?
-
starch is the donor substrate, maltose the acceptor substrate
-
-
?
maltose-dextran mixture
4-O-alpha-isomaltosyl-D-glucose + 4-O-alpha-isomaltotriosyl-D-glucose + 4-O-alpha-isomaltotetraosyl-D-glucose + 4-O-alpha-isomaltopentaosyl-D-glucose + 4-O-alpha-isomaltohexaosyl-D-glucose
-
-
-
?
maltotetraitol
dextran
-
-
-
?
maltotetraose
maltose + panose
-
-
-
?
maltotriitol
dextran
-
no activity with maltose
-
?
methyl-alpha-D-glucoside + starch
methyl-alpha-isomaltoside + ?
-
starch is the donor substrate, methyl-alpha-D-glucoside the acceptor substrate
-
-
?
methyl-beta-D-glucoside + starch
methyl-beta-isomaltoside + ?
-
starch is the donor substrate, methyl-beta-D-glucoside the acceptor substrate
-
-
?
nigerose + starch
?
-
starch is the donor substrate, nigerose the acceptor substrate
-
-
?
salicin + starch
?
-
starch is the donor substrate, salicin, i.e. 2-(hydroxymethyl)phenyl-beta-D-glucopyranoside, the acceptor substrate
-
-
?
short-chain amylose
dextran
soluble starch
dextran
-
-
dextran yield 21.4%
?
sophorose + starch
?
-
starch is the donor substrate, sophorose the acceptor substrate
-
-
?
starch + 2-acetamido-2-deoxy-D-glucose
?
-
-
-
-
?
starch + 2-deoxy-D-glucose
?
-
-
-
-
?
starch + 3-O-methyl-D-glucose
?
-
-
-
-
?
starch + 6-deoxy-D-glucose
?
-
-
-
-
?
starch + D-glucose
maltose + isomaltose
-
no transglucosylation from starch to: D-mannose, D-allose, D-galactose, 3-acetamido-3-deoxy-D-glucose, 6-acetamido-6-deoxy-D-glucose, 1,6-anhydro-D-glucose, D-fructose, D-arabinose or D-ribose
-
?
starch + D-xylose
glucosyl-alpha-1,4-xylose + ?
-
-
-
?
starch + salicin
?
-
starch is the donor substrate, salicin the acceptor substrate
-
-
?
starch + salicin
dextran
-
-
-
?
sucrose + starch
?
-
starch is the donor substrate, sucrose the acceptor substrate
-
-
?
xylosucrose + starch
?
-
starch is the donor substrate, xylosucrose the acceptor substrate
-
-
?
[(1->4)-alpha-D-glucosyl]n + [(1->6)-alpha-D-glucosyl]m
[(1->4)-alpha-D-glucosyl]n-1 + [(1->6)-alpha-D-glucosyl]m+1
additional information
?
-
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
-
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
-
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
maltopentaose, maltohexaose, short-chain amylose, soluble starch
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
O-6-deoxy-6-[(2-pyridyl)amino]alpha-D-glucopyranosyl-1,4-maltotriose
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
i.e. dextrin x + dextran y, converts polymerized 1,4-linked glucose units into polymerized 1,6-linked units
successive elongation, i.e. dextrin x-1 + dextran y+1
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
maltitol
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
substrates are maltooligosaccharides, e.g. maltotriose (G3), maltotetraose (G4)
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
substrates are maltooligosaccharides, e.g. maltotriose (G3), maltotetraose (G4)
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
substrates are maltooligosaccharides, e.g. maltotriose (G3), maltotetraose (G4)
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
poor substrate: maltose (G2)
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
poor substrate: maltose (G2)
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
maltotetraitol
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
maltotetraitol
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
no substrates are unhydrolyzed amylose, amylopectin fractions of corn or potato starch, native oyster or rabbit liver glycogens, Schardinger's beta-dextrin, cycloheptoamylose, maltose, sucrose, glucose 1-phosphate or glucose 6-phosphate, trehalose, alpha-methylglucoside, raffinose, melezitose
successive elongation, i.e. dextrin x-1 + dextran y+1
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
three transglucosylation action modes: main reaction, disproportional action on maltooligosaccharides and disproportional action on isomaltooligosaccharides
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
enzyme acts on non-reducing terminal glucosyl residues
-
?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m
(1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1
-
maltose can act as glucosyl group acceptor
-
?
4-nitrophenyl-alpha-D-glucopyranoside + H2O
4-nitrophenol + alpha-D-glucopyranose
-
artificial substrate
-
-
?
4-nitrophenyl-alpha-D-glucopyranoside + H2O
4-nitrophenol + alpha-D-glucopyranose
-
artificial substrate
-
-
?
4-nitrophenyl-alpha-D-glucopyranoside + H2O
4-nitrophenol + alpha-D-glucopyranose
-
artificial substrate
-
-
?
maltohexaose
dextran
-
-
-
-
?
maltohexaose
dextran
-
-
dextran yield 30.2%
?
maltopentaose
dextran
-
-
-
-
?
maltopentaose
dextran
-
-
dextran yield 25.0%
?
maltotetraose
dextran
-
-
-
?
maltotetraose
dextran
-
-
dextran yield 13.4%
?
maltotriose
dextran
-
-
-
?
maltotriose
dextran
-
-
-
-
?
maltotriose
dextran
-
-
dextran yield 11.0%
?
short-chain amylose
dextran
-
-
dextran yield 74%
?
short-chain amylose
dextran
-
-
dextran yield 57.6%
?
[(1->4)-alpha-D-glucosyl]n + [(1->6)-alpha-D-glucosyl]m
[(1->4)-alpha-D-glucosyl]n-1 + [(1->6)-alpha-D-glucosyl]m+1
-
-
dextran synthesized by DDase from strain DSM-2003 is composed of alpha(1,6)-linked chains containing alpha(1,4) branching points
-
?
[(1->4)-alpha-D-glucosyl]n + [(1->6)-alpha-D-glucosyl]m
[(1->4)-alpha-D-glucosyl]n-1 + [(1->6)-alpha-D-glucosyl]m+1
-
-
dextran synthesized by DDase from strain DSM-2003 is composed of alpha(1,6)-linked chains containing alpha(1,4) branching points
-
?
additional information
?
-
-
substrate specificity, no activity with glucose or maltose, conversion of maltodextrins into (oligo)dextran forming an alpha1,6-linkage, consecutive glucosyl transfer results in formation of high molecular weight dextran, dextran synthesis pathway overview
-
-
?
additional information
?
-
-
donor and acceptor substrate specificity, no activity with trehalose, lactose, or melibiose as acceptor substrates, when starch is the donor substrate, overview, conversion of maltodextrins into (oligo)dextran forming an alpha1,6-linkage or an alpha1,4-linkage
-
-
?
additional information
?
-
-
DDase from strain DSM-2003 converts maltodextrins to dextran. The enzyme catalyzes the transfer of an alpha(1,4)-linked glucosyl unit from a donor to an acceptor molecule, forming an alpha(1,6) linkage: consecutive glucosyl transfers result in the formation of high molecular weight dextran from maltodextrin. DDase can use widely occurring in nature maltodextrin to produce dextran by transglucosylation
-
-
?
additional information
?
-
substrate is maltotetraose, product analysis from reactions of intra- and extracellular enzymes, overview. Main substrates are maltotriose and maltopentaose
-
-
?
additional information
?
-
-
substrate is maltotetraose, product analysis from reactions of intra- and extracellular enzymes, overview. Main substrates are maltotriose and maltopentaose
-
-
?
additional information
?
-
substrate is maltotetraose, product analysis from reactions of intra- and extracellular enzymes, overview. Main substrates are maltotriose and maltopentaose
-
-
?
additional information
?
-
-
substrate is maltotetraose, product analysis from reactions of intra- and extracellular enzymes, overview. Main substrates are maltotriose and maltopentaose
-
-
?
additional information
?
-
-
DDase from strain DSM-2003 converts maltodextrins to dextran. The enzyme catalyzes the transfer of an alpha(1,4)-linked glucosyl unit from a donor to an acceptor molecule, forming an alpha(1,6) linkage: consecutive glucosyl transfers result in the formation of high molecular weight dextran from maltodextrin. DDase can use widely occurring in nature maltodextrin to produce dextran by transglucosylation
-
-
?
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Hehre, E.J.
The biological synthesis of dextran from dextrins
J. Biol. Chem.
192
161-174
1953
Gluconobacter oxydans
brenda
Yamamoto, K.; Yoshikawa, K.; Kitahata, S.; Okada, S.
Purification and some properties of dextrin dextranase from Acetobacter capsulatus ATCC 11894
Biosci. Biotechnol. Biochem.
56
169-173
1992
Gluconobacter oxydans
-
brenda
Yamamoto, K.; Yoshikawa, K.; Okada, S.
Detailed action mechanism of dextrin dextranase from Acetobacter capsulatus ATCC 11894
Biosci. Biotechnol. Biochem.
57
47-50
1993
Gluconobacter oxydans
brenda
Yamamoto, K.; Yoshikawa, K.; Okada, S.
Dextran synthesis from reduced maltooligosaccharides by dextrin dextranase from Acetobacter capsulatus ATCC 11894
Biosci. Biotechnol. Biochem.
57
136-137
1993
Gluconobacter oxydans
brenda
Yamamoto, K.; Yoshikawa, K.; Okada, S.
Substrate specificity of dextrin dextranase from Acetobacter capsulatus ATCC 11894
Biosci. Biotechnol. Biochem.
58
330-333
1994
Gluconobacter oxydans
-
brenda
Suzuki, M.; Unno, T.; Okada, G.
Simple purification and characterization of an extracellular dextrin dextranase from Acetobacter capsulatum ATCC 11894
J. Appl. Glycosci.
46
469-473
1999
Gluconobacter oxydans
-
brenda
Suzuki, M.; Unno, T.; Okada, G.
A kinetic study of an extracellular dextrin dextranase from Acetobacter capsulatum ATCC 11894
J. Appl. Glycosci.
47
27-33
2000
Gluconobacter oxydans
-
brenda
Suzuki, M.; Unno, T.; Okada, G.
Functional characteristics of a bacterial dextrin dextranase from Acetobacter capsulatum ATCC 11894
J. Appl. Glycosci.
48
143-151
2001
Gluconobacter oxydans
-
brenda
Naessens, M.; Cerdobbel, A.; Soetaert, W.; Vandamme, E.J.
Dextran dextrinase and dextran of Gluconobacter oxydans
J. Ind. Microbiol. Biotechnol.
32
323-334
2005
Gluconobacter oxydans
brenda
Mao, X.; Liang, X.; Wang, S.; Dong, W.; Xing, Y.; Wang, H.; Guo, L.; Wei, D.
Enhanced production of intracellular dextran dextrinase from Gluconobacter oxydans using statistical experimental methods
Afr. J. Biotechnol.
9
1180-1189
2010
Gluconobacter oxydans, Gluconobacter oxydans M5
-
brenda
Mao, X.; Wang, S.; Kan, F.; Wei, D.; Li, F.
A novel dextran dextrinase from Gluconobacter oxydans DSM-2003: purification and properties
Appl. Biochem. Biotechnol.
168
1256-1264
2012
Gluconobacter oxydans, Gluconobacter oxydans DSM 2003
brenda
Sadahiro, J.; Mori, H.; Saburi, W.; Okuyama, M.; Kimura, A.
Extracellular and cell-associated forms of Gluconobacter oxydans dextran dextrinase change their localization depending on the cell growth
Biochem. Biophys. Res. Commun.
456
500-505
2015
Gluconobacter oxydans (A0A0M5MSC0), Gluconobacter oxydans, Gluconobacter oxydans ATCC 11894 (A0A0M5MSC0), Gluconobacter oxydans ATCC 11894
brenda