Carbohydrate conformation refers to the overall three-dimensional structure adopted by a carbohydrate (saccharide) molecule as a result of the through-bond and through-space physical forces it experiences arising from its molecular structure.
In chemistry, a glycosidic bond is a type of covalent bond that joins a carbohydrate (sugar) molecule to another group, which may or may not be another carbohydrate.
A lectin has been purified and characterized from S. coccinea fruit bodies that can bind selectively to several specific carbohydrate molecules, including lactose.
Lectins, such as Concanavalin A are proteins which can bind specific carbohydrate (sugar) molecules.
The sequence of branching information in a carbohydrate molecule is represented in the figure.
A vast amount of carbohydrate binding molecules (lectins) depend on correct glycosylation for appropriate binding; the selectins, involved in leukocyte extravasation, is a prime example.
Since cellulose is composed of glucose units, cyclic carbohydrate molecules, cellulose has free hydroxyl groups (-OH) projecting from each monomeric subunit.
The carbohydrate molecules on the surfaces of red blood cells have roles in cell membrane integrity, cell adhesion, membrane transportation of molecules, and acting as receptors for extracellular ligands, and enzymes.
The lipid bilayer contains integrated host and viral proteins studded with carbohydrate molecules.
Polysaccharides are long carbohydrate molecules of monosaccharide units joined together by glycosidic bonds.