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Literature summary for 2.4.1.2 extracted from

  • Hehre, E.J.
    The biological synthesis of dextran from dextrins (1953), J. Biol. Chem., 192, 161-174.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Gluconobacter oxydans
-
-

Organism

Organism UniProt Comment Textmining
Gluconobacter oxydans
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NCTC 4943
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m i.e. dextrin x + dextran y, converts polymerized 1,4-linked glucose units into polymerized 1,6-linked units Gluconobacter oxydans (1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1 successive elongation ?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m i.e. dextrin x + dextran y, converts polymerized 1,4-linked glucose units into polymerized 1,6-linked units Gluconobacter oxydans (1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1 i.e. dextrin x-1 + dextran y+1 ?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m 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 Gluconobacter oxydans (1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1 successive elongation ?
(1,4-alpha-D-glucosyl)n + (1,6-alpha-D-glucosyl)m 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 Gluconobacter oxydans (1,4-alpha-D-glucosyl)n-1 + (1,6-alpha-D-glucosyl)m+1 i.e. dextrin x-1 + dextran y+1 ?
1,4-alpha-D-amyloheptaose + (1,6-alpha-D-glucopyranosyl)n
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Gluconobacter oxydans dextran
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
70
-
inactivation within 10 min Gluconobacter oxydans