proteoglycan - definizione. Che cos'è proteoglycan
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Cosa (chi) è proteoglycan - definizione

CLASS OF COMPOUNDS, GLYCOPROTEINS WHICH HAVE A VERY HIGH POLYSACCHARIDE CONTENT
Proteoglycans; Proteochondroitin sulfate
  • [[Aggrecan]], the major proteoglycan in [[cartilage]], has 2316 [[amino acid]]s

proteoglycan         
[?pr??t???'gl??kan]
¦ noun Biochemistry a compound consisting of a protein bonded to mucopolysaccharide groups, present especially in connective tissue.
Proteoglycan         
Proteoglycans are proteins that are heavily glycosylated. The basic proteoglycan unit consists of a "core protein" with one or more covalently attached glycosaminoglycan (GAG) chain(s).
N-acetylglucosaminyl-proteoglycan 4-beta-glucuronosyltransferase         
CLASS OF ENZYMES
N-acetylglucosaminyl-proteoglycan 4-b-glucuronosyltransferase; EC 2.4.1.225; UDP-alpha-D-glucuronate:N-acetyl-alpha-D-glucosaminyl-(1-4)-beta-D-glucuronosyl-proteoglycan 4-beta-glucuronosyltransferase
In enzymology, a N-acetylglucosaminyl-proteoglycan 4-beta-glucuronosyltransferase () is an enzyme that catalyzes the chemical reaction

Wikipedia

Proteoglycan

Proteoglycans are proteins that are heavily glycosylated. The basic proteoglycan unit consists of a "core protein" with one or more covalently attached glycosaminoglycan (GAG) chain(s). The point of attachment is a serine (Ser) residue to which the glycosaminoglycan is joined through a tetrasaccharide bridge (e.g. chondroitin sulfate-GlcA-Gal-Gal-Xyl-PROTEIN). The Ser residue is generally in the sequence -Ser-Gly-X-Gly- (where X can be any amino acid residue but proline), although not every protein with this sequence has an attached glycosaminoglycan. The chains are long, linear carbohydrate polymers that are negatively charged under physiological conditions due to the occurrence of sulfate and uronic acid groups. Proteoglycans occur in connective tissue.