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63-alpha-D-Glucosyl-maltotriose O-GMT
Product code: O-GMT

50 mg

Prices exclude VAT

This product has been discontinued

Content: 50 mg
Shipping Temperature: Ambient
Storage Temperature: Ambient
Physical Form: Powder
Stability: > 10 years under recommended storage conditions
CAS Number: 35175-16-7
Molecular Formula: C24H42O21
Molecular Weight: 666.6
Purity: > 90%
Substrate For (Enzyme): Amyloglucosidase

This product has been discontinued (read more).

High purity 63-alpha-D-Glucosyl-maltotriose for use in research, biochemical enzyme assays and in vitro diagnostic analysis.

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Megazyme publication
Preparation of 63-α-D-glucosylmaltotriose.

McCleary, B. V. (1980). Carbohydrate Research, 85(1), 160-163.

In recent research on the hydrolysis of ((1→4)-α-D and (1→6)-α-D linkages in starch by glucoamylases (EC, model oligosaccharides, including 63-α-D-glucosylmaltotriose, were required. The preparation of this tetrasaccharide by the published methods is tedious and the yields are small (<1%). A simple preparation of pure 63-α-D-gluscosylmaltotriose in good yield is now described. It was considered that 63-α-D-glucosylmaltotriose could be prepared by beta-amylolysis of 63-α-D-maltotriosylmaltotriose. This hexasaccharide, which was present in maximum amount when pullulan was hydrolysed to ~50% by pullulanase, was completely converted into a mixture of 63-α-D-glucosylmaltotriose and maltose by beta-amylase (4 U/mg of hexasaccharide) at 37°C and pH 5 for 1 h.

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Megazyme publication

Versatile high resolution oligosaccharide microarrays for plant glycobiology and cell wall research.

Pedersen, H. L., Fangel, J. U., McCleary, B., Ruzanski, C., Rydahl, M. G., Ralet, M. C., Farkas, V., Von Schantz, L., Marcus, S. E., Andersen, M.C. F., Field, R., Ohlin, M., Knox, J. P., Clausen, M. H. & Willats, W. G. T. (2012). Journal of Biological Chemistry, 287(47), 39429-39438.

Microarrays are powerful tools for high throughput analysis, and hundreds or thousands of molecular interactions can be assessed simultaneously using very small amounts of analytes. Nucleotide microarrays are well established in plant research, but carbohydrate microarrays are much less established, and one reason for this is a lack of suitable glycans with which to populate arrays. Polysaccharide microarrays are relatively easy to produce because of the ease of immobilizing large polymers noncovalently onto a variety of microarray surfaces, but they lack analytical resolution because polysaccharides often contain multiple distinct carbohydrate substructures. Microarrays of defined oligosaccharides potentially overcome this problem but are harder to produce because oligosaccharides usually require coupling prior to immobilization. We have assembled a library of well characterized plant oligosaccharides produced either by partial hydrolysis from polysaccharides or by de novo chemical synthesis. Once coupled to protein, these neoglycoconjugates are versatile reagents that can be printed as microarrays onto a variety of slide types and membranes. We show that these microarrays are suitable for the high throughput characterization of the recognition capabilities of monoclonal antibodies, carbohydrate-binding modules, and other oligosaccharide-binding proteins of biological significance and also that they have potential for the characterization of carbohydrate-active enzymes.

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