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The present studies aimed to investigate the chain conformation of fucosylated chondroitin sulfates from two different sea cucumbers Apostichopus japonicus (fCS-Aj), and Holothuria mexicana (fCS-Hm). The chain conformations were determined by SEC-MALLS-Visc-RI, indicating that the chain conformations of fCS-Aj and fCS-Hm were random coil and extended linear chain structure in PBS, respectively. Our results suggested that the formation of linear chain of fCS were due to a synergistic effect of molecular weight, sulfate content and sulfation patterns. The worm-like cylinder model indicated that fCS-Aj possessed more flexible chains compared with fCS-Hm. fCS-Aj and fCS-Hm all exhibited as negatively charged polymers with good thermal stability. The present studies were important for understanding the structure-activities relationship of fCSs.
This article was published in the following journal.
Name: International journal of biological macromolecules
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Derivatives of chondroitin which have a sulfate moiety esterified to the galactosamine moiety of chondroitin. Chondroitin sulfate A, or chondroitin 4-sulfate, and chondroitin sulfate C, or chondroitin 6-sulfate, have the sulfate esterified in the 4- and 6-positions, respectively. Chondroitin sulfate B (beta heparin; DERMATAN SULFATE) is a misnomer and this compound is not a true chondroitin sulfate.
A naturally occurring glycosaminoglycan found mostly in the skin and in connective tissue. It differs from CHONDROITIN SULFATE A (see CHONDROITIN SULFATES) by containing IDURONIC ACID in place of glucuronic acid, its epimer, at carbon atom 5. (from Merck, 12th ed)
The characteristic 3-dimensional shape of a protein, including the secondary, supersecondary (motifs), tertiary (domains) and quaternary structure of the peptide chain. PROTEIN STRUCTURE, QUATERNARY describes the conformation assumed by multimeric proteins (aggregates of more than one polypeptide chain).
Proteoglycans found in cartilage. They consist of several chondroitin sulfate molecules linked to protein(s) by neutral sugar linkage regions.
The conformation, properties, reaction processes, and the properties of the reactions of carbon compounds.