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Sulfated fucans are matrix polysaccharides from marine brown algae, consisting of an α- l -fucose backbone substituted by sulfate-ester groups, masked with ramifications, and containing other monosaccharide residues. We here report on the characterization of a novel glycoside hydrolase (FcnA)...
β1,4-Galactosyltransferase V (β1,4GalT V; EC 126.96.36.199) is considered to be very important in glioma for expressing transformation-related highly branched N -glycans. Recently, we have characterized β1,4GalT V as a positive growth regulator in several glioma cell lines. However, the role of...
Catalytic residues and the mode of action of the exo-β- d -glucosaminidase (GlcNase) from Amycolatopsis orientalis were investigated using the wild-type and mutated enzymes. Mutations were introduced into the putative catalytic residues resulting in five mutated enzymes (D469A, D469E, E541D,...
GlycodelinA (GdA), a multifunctional glycoprotein secreted at high concentrations by the uterine endometrium during the early phases of pregnancy, carries glycan chains on asparagines at positions N28 and N63. GdA purified from amniotic fluid is known to be a suppressor of T-cell proliferation,...
Intercellular adhesion molecule-1 (ICAM-1) is a heavily N‐glycosylated transmembrane protein comprising five extracellular Ig-like domains. The soluble isoform of ICAM-1 (sICAM-1), consisting of its extracellular part, is elevated in the cerebrospinal fluid of patients with severe brain trauma....
Galectins are a family of carbohydrate-binding proteins with an affinity for β-galactosides. Galectin-1 (Gal-1) is differentially expressed by various normal and pathological tissues and appears to be functionally polyvalent, with a wide range of biological activity. The intracellular and...
Galectin-8 and galectin-9, which each consist of two carbohydrate recognition domains (CRDs) joined by a linker peptide, belong to the tandem-repeat-type subclass of the galectin family. Alternative splicing leads to the formation of at least two and three distinct splice variants (isoforms) of...
The arabinogalactan (AG) of Corynebacterianeae is a critical macromolecule that tethers mycolic acids to peptidoglycan, thus forming a highly impermeable cell wall matrix termed the mycolyl-arabinogalactan peptidoglycan complex (mAGP). The front line anti-tuberculosis drug, ethambutol (Emb),...
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