Noncovalent Complexation of Saccharides with Ions and Isomer Discrimination for Saccharides
نویسندگان
چکیده
منابع مشابه
Interactions of saccharides with concanavalin A. Relation between calcium ions and the binding of saccharides to concanavalin A.
Previous studies (KALB, A. J., AND LEVITZKI, A. (1968) Biochem. J. 109, 669; SHOHAM, M., KALB, A. J., AND PECHT. I. (1973) Biochemistry 12, 1914) were interpreted as showing that transition metal and calcium ions must be bound to concanavalin A before this lectin can bind sugars. In contrast, we find that the addition of calcium ions fails to affect the following properties of manganese concana...
متن کاملStructure of saccharides
It is estimated that approximately 4x10 tons of carbohydrates are biosynthesized each year on earth by plants and photosynthesizing bacteria. The majority of these carbohydrates are produced as polysaccharides. Polysaccharides are macromolecules consisting of a large number of monosaccharide residues. They are sometimes also called glycans. (The term 'glycan' is also used for the saccharide com...
متن کاملStructure of saccharides
Standard monosaccharides are widely distributed in nature and easily obtained by degredation of polysaccharides or isolation from various materials for example plants, microorganisms, yeast, marine sources or milk. However, the structures of many sugars which are known today are different from the general formula Cn(H2O)n. They are modified by amino groups or deoxygenation to name but a few. Ma...
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The symbols Gn , Gm , and Gx represent straight-chain malto-oligosaccharides containing n, m, and x units of (I ->4)-Cl.-D-glucopyranose; cGx is a CD composed of x units. A D-glucose unit at the non-reducing end of a (I ->4)-X-D-glucopyranosyl chain appears to be transferred by way of either 0-4 or C-4 to either C-I or 0-1 of another D-glucose unit that functions as a suitable donor. A variety ...
متن کاملStructure of saccharides
Carbohydrates exist as aldoses, which are polyhydroxyaldehydes, and ketoses, being polyhydroxyketones. Their open–chain forms can be suitably represented by Fischer projections. Aldoses and ketoses can be of different chain length and are all derived from glyceraldehyde. A formal insertion of a stereogenic (HCOH)–group between the carbonyl carbon atom and the α–C–atom of glyceraldehyde leads to...
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ژورنال
عنوان ژورنال: Journal of the Mass Spectrometry Society of Japan
سال: 2018
ISSN: 1340-8097,1880-4225,1884-3271
DOI: 10.5702/massspec.18-95