Glycoprotein

Glycoprotein

(Science: protein) proteins with covalently attached sugar units, either bonded via the OH group of serine or threonine O glycosylated) or through the amide NH2 of asparagine (N glycosylated).

Includes most secreted proteins (serum albumin is the major exception) and proteins exposed at the outer surface of the plasma membrane. Sugar residues found include: mannose, N acetyl glucosamine, N acetyl galactosamine, galactose, fucose and sialic acid. A conjugated protein having a carbohydrate component.Any type of protein that possesses a sugar within the molecule.


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