2.4.1.2: dextrin dextranase
This is an abbreviated version!
For detailed information about dextrin dextranase, go to the full flat file.
Word Map on EC 2.4.1.2
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2.4.1.2
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gluconobacter
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oxydans
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transglucosylation
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capsulatus
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acetobacter
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maltodextrins
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oligosaccharides
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starch
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hydrolysate
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optimised
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synthesis
- 2.4.1.2
- gluconobacter
- oxydans
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transglucosylation
- capsulatus
- acetobacter
- maltodextrins
- oligosaccharides
- starch
- hydrolysate
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optimised
- synthesis
Reaction
Synonyms
DDase, dextran dextrinase, dextrin 6-glucosyltransferase, glucosyltransferase, dextrin 6-
ECTree
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Natural Substrates Products
Natural Substrates Products on EC 2.4.1.2 - dextrin dextranase
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REACTION DIAGRAM
[(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 + [(1->6)-alpha-D-glucosyl]m+1
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dextran synthesized by DDase from strain DSM-2003 is composed of alpha(1,6)-linked chains containing alpha(1,4) branching points
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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
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dextran synthesized by DDase from strain DSM-2003 is composed of alpha(1,6)-linked chains containing alpha(1,4) branching points
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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
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additional information
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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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additional information
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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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