2.4.1.2: dextrin dextranase

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

Reaction

Synonyms

DDase, dextran dextrinase, dextrin 6-glucosyltransferase, glucosyltransferase, dextrin 6-

ECTree

     2 Transferases

         2.4 Glycosyltransferases

             2.4.1 Hexosyltransferases

                2.4.1.2 dextrin dextranase

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1	Application
1	CAS Registry Number
1	Cloned(Commentary)
2	General Information
17	Inhibitors
6	KM Value [mM]
11	Localization
7	Metals/Ions
4	Molecular Weight [Da]
5	Natural Substrates/ Products (Substrates)
2	Organic Solvent Stability
18	Organism
7	pH Optimum
1	pH Range
4	pH Stability
5	Purification (Commentary)
3	Reaction
1	Reaction Type
15	Reference
3	Source Tissue
2	Specific Activity [micromol/min/mg]
84	Substrates and Products (Substrate)
5	Subunits
17	Synonyms
1	Systematic Name
7	Temperature Optimum [°C]
2	Temperature Range [°C]
6	Temperature Stability [°C]

Natural Substrates Products

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Natural Substrates Products on EC 2.4.1.2 - dextrin dextranase

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NATURAL SUBSTRATE

NATURAL PRODUCT

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

REVERSIBILITY
r=reversible
ir=irreversible
?=not specified

[(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

2 entries

additional information

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3 entries

[(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

Gluconobacter oxydans

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-

718616

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

Gluconobacter oxydans DSM 2003

-

-

718616

dextran synthesized by DDase from strain DSM-2003 is composed of alpha(1,6)-linked chains containing alpha(1,4) branching points

-

?

additional information

?

-

Gluconobacter oxydans

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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

659632

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?

additional information

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Gluconobacter oxydans

-

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

718616

-

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?

additional information

?

-

Gluconobacter oxydans DSM 2003

-

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

718616

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