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Transferrin glycoproteins bind iron tightly, but reversibly. Although iron bound to transferrin is less than 0.1% (4 mg) of total body iron, it forms the most vital iron pool with the highest rate of turnover (25 mg/24 h). Transferrin has a molecular weight of around 80 kDa and contains two specific high-affinity Fe(III) binding sites.
A glycoprotein is a compound containing carbohydrate (or glycan) covalently linked to protein. The carbohydrate may be in the form of a monosaccharide, disaccharide(s), oligosaccharide(s), polysaccharide(s), or their derivatives (e.g. sulfo- or phospho-substituted). One, a few, or many carbohydrate units may be present.
[17] [18] The higher order multifunctional glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) also acts as a transferrin receptor. [19] [20] Transferrin-bound ferric iron is recognized by these transferrin receptors, triggering a conformational change that causes endocytosis. Iron then enters the cytoplasm from the endosome via ...
Biologically, conalbumin isolates and sequesters metallic contaminants in the egg white. [3] Ovotransferrin is functionally and structurally analogous to mammalian lactoferrin [4] A recent study has shown superior performance of ovotransferrin when compared to lactoferrin in its capability to deliver iron without accumulation or inducing gastric irritability, rendering ovotransferrin as an ...
Lactoferrin (LF), also known as lactotransferrin (LTF), is a multifunctional protein of the transferrin family. Lactoferrin is a globular glycoprotein with a molecular mass of about 80 kDa that is widely represented in various secretory fluids, such as milk, saliva, tears, and nasal secretions.
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Robbers used explosives to force open a door at a Dutch museum early Saturday morning, stealing several gold masterpieces, museum officials said in a statement. Police received a report at 3:45 a ...
Transferrin receptor 2 (TfR2) is a protein that in humans is encoded by the TFR2 gene. [ 5 ] [ 6 ] This protein is involved in the uptake of transferrin -bound iron into cells by endocytosis , although its role is minor compared to transferrin receptor 1 .