The enzyme acts on amylose, amylopectin, glycogen and maltooligosaccharides. No detectable free glucose is formed, indicating the enzyme does not act as a hydrolase. The enzyme from the bacterium Cellvibrio japonicus has the highest activity with maltotriose as a donor, and also accepts maltose , while the enzyme from amoeba does not accept maltose [1,2]. Oligosaccharides with 1->6 linkages cannot function as donors, but can act as acceptors . Unlike EC 2.4.1.25, 4-alpha-glucanotransferase, this enzyme can transfer only a single glucosyl residue.
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The enzyme appears in viruses and cellular organisms
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REACTION
REACTION DIAGRAM
COMMENTARY
ORGANISM
UNIPROT
LITERATURE
transfers the non-reducing terminal alpha-D-glucose residue from a (1->4)-alpha-D-glucan to the 4-position of a free glucose or of a glucosyl residue at the non-reducing terminus of a (1->4)-alpha-D-glucan, thus bringing about the rearrangement of oligosaccharides
The enzyme acts on amylose, amylopectin, glycogen and maltooligosaccharides. No detectable free glucose is formed, indicating the enzyme does not act as a hydrolase. The enzyme from the bacterium Cellvibrio japonicus has the highest activity with maltotriose as a donor, and also accepts maltose [3], while the enzyme from amoeba does not accept maltose [1,2]. Oligosaccharides with 1->6 linkages cannot function as donors, but can act as acceptors [3]. Unlike EC 2.4.1.25, 4-alpha-glucanotransferase, this enzyme can transfer only a single glucosyl residue.
transfers the nonreducing terminal alpha-D-glucose residue from a 1,4-alpha-D-glucan to the 4-position of an alpha-D-glucan, thus bringing about the hydrolysis of oligosaccharides, acts on amylose, amylopectin, glycogen and maltooligosaccharides and on 4-nitrophenol-alpha-glucoside to 4-nitrophenylmaltoheptaoside
transfers the nonreducing terminal alpha-D-glucose residue from a 1,4-alpha-D-glucan to the 4-position of an alpha-D-glucan, thus bringing about the hydrolysis of oligosaccharides, acts on amylose, amylopectin, glycogen and maltooligosaccharides and on 4-nitrophenol-alpha-glucoside to 4-nitrophenylmaltoheptaoside
transfers the nonreducing terminal alpha-D-glucose residue from a 1,4-alpha-D-glucan to the 4-position of an alpha-D-glucan, thus bringing about the hydrolysis of oligosaccharides, acts on amylose, amylopectin, glycogen and maltooligosaccharides
transfers the nonreducing terminal alpha-D-glucose residue from a 1,4-alpha-D-glucan to the 4-position of an alpha-D-glucan, thus bringing about the hydrolysis of oligosaccharides, acts on amylose, amylopectin, glycogen and maltooligosaccharides
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2.4.1.161 oligosaccharide 4-alpha-D-glucosyltransferase
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