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Glycoproteins are proteins which contain oligosaccharide (sugar) chains covalently attached to amino acid side-chains. The carbohydrate is attached to the protein in a cotranslational or posttranslational modification .
P-gp is a 170 kDa transmembrane glycoprotein, which includes 10–15 kDa of N-terminal glycosylation.The N-terminal half of the protein contains six transmembrane helixes, followed by a large cytoplasmic domain with an ATP-binding site, and then a second section with six transmembrane helixes and an ATP-binding domain that shows over 65% of amino acid similarity with the first half of the ...
Membrane glycoproteins GPIa/IIa, GPVI and probably GPIV as well, function as collagen receptors, engaged in platelet adhesion to collagen. The leading role in the elimination of high-stress injury is taken by the glycoprotein Ib-IX-V complex.
Another protective function throughout the cardiovascular system is its ability to affect the filtration of interstitial fluid from capillaries into the interstitial space. [7] The glycocalyx, which is located on the apical surface of endothelial cells, is composed of a negatively charged network of proteoglycans, glycoproteins, and glycolipids ...
The laminin B domain (also known as domain IV) is an extracellular module of unknown function. It is found in a number of different proteins that include, heparan sulphate proteoglycan from basement membrane, a laminin-like protein from Caenorhabditis elegans and laminin. Laminin IV domain is not found in short laminin chains (alpha4 or beta3).
Glycoproteins and Glycolipids found on the cell surface play a critical role in bacterial and viral recognition. They are involved in cellular signaling pathways and modulate cell function. They are important in innate immunity. They determine cancer development. They orchestrate the cellular fate, inhibit proliferation, regulate circulation ...
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Glycoproteins have distinct Oligosaccharide structures which have significant effects on many of their properties, [11] affecting critical functions such as antigenicity, solubility, and resistance to proteases. Glycoproteins are relevant as cell-surface receptors, cell-adhesion molecules, immunoglobulins, and tumor antigens. [12]