Glycoprotein

Glycoproteins have carbohydrate attached to them.
The attachment is a covalent linkage to: ...
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A glycoprotein is a macromolecule composed of a protein and a carbohydrate (an oligosaccharide). The carbohydrate is attached to the protein in a cotranslational or posttranslational modification.
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Glycoprotein
A glycoprotein is a macromolecule composed of a protein and a carbohydrate (a sugar).
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glycoprotein -- a membrane-bound protein which has attached branching carbohydrates. These may function in cell-cell recognition, such as in human blood groups and immune system response, as well as in resisting compression of cells.
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glycoprotein - any protein with one or more covalently linked oligosaccharide chains. Included most secreted proteins and most proteins exposed on the outer surface of the plasma membrane.
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glycoproteins Polysaccharides formed of sugars linked to proteins. On the outer surface of a membrane, they act as receptors for molecular signals originating outside the cell. PICTURE ...
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glycoprotein A protein with attached sugars.
glycoside Physiologically active compound in plants that always contains a sugar group, although the active part of the molecule may differ.
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GLYCOPROTEIN - A glycosylated protein.
GLYCOSYLATION - The covalent addition of sugar moities to N or O atoms present in the side chains of certain amino acids of certain proteins, ...
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A glycoprotein in the extracellular matrix of animal cells that forms strong fibers, found extensively in connective tissue and bone; the most abundant protein in the animal kingdom.
collecting duct ...
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Avidin: A glycoprotein which binds to biotin with very high affinity (Kd = 10-15).
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Variable surface glycoprotein (VSG). One of a battery of antigenic determinants expressed by a microorganism to elude immune detection.
Variation. Differences in the frequency of genes and traits among individual organisms within a population.
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A surface feature of a microorganism or macromolecule, such as a glycoprotein, that elicits an immune response. Antigenic switching.
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7 kDa protein a1-glycoprotein 41 kDa protein a1-antitrypsin 54 kDa protein a helix A helical conformation of a polypeptide chain, predominantly right-handed, with maximal intrachain hydrogen bonding of the peptide bonds; ...
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(ii) Pseudoglycoprotein: some questions arise regarding the biologically active glycoproteins, e.g.: is a carbohydrate or peptide fragment responsible for the activity? We have proposed the approach that promotes to answer this and other questions.
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These proteins, called glycoproteins, are important in many cell processes, including binding by receptors and eliciting an immune response. Glycoproteins are often specific cell markers.
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In KNRK cells: treatment with Leupeptin alone dramatically increased Ptc1+ late endosomes/lysosomes marked by lysosome-associated membrane glycoprotein (Incardona, 2002) ...
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For example, the glycoprotein hormone alpha subunit is produced only in certain cell types of the anterior pituitary and placenta, not in lungs or skin; thus expression of the glycoprotein hormone alpha-chain gene is said to be tissue-specific.
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An example is the formation of glycoproteins (used in cell membranes). Vesicles from the ER have proteins. In the Golgi Apparatus carbohydrates are attached to them creating glycoproteins.
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These glycoprotein molecules are embedded in the surfaces of T cells, where they recognize and bind to foreign protein fragments captured by a cell surface molecule that is part of the major histocompatibility complex (MHC).
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These glycolipids and glycoproteins often function as cell identification markers, allowing cells to identify other cells.
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histocompatibility antigens - cell surface glycoproteins that differ from individual to individual; their recognition as foreign by a host organism is responsible for rejection of grafted foreign tissue.
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The surface antigenic properties are due to a single protein, the variant surface glycoprotein (VSG). The active VSG gene (ELC, expression-linked copy) is located near the end of a chromosome.
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The component of connective tissue surrounding cells and made up of the amorphous ground substance and fibrous proteins (mainly collagen fibres). The amorphous ground substance consists primarily of glycoproteins and proteoglycans.
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