An unusual heparan sulfate isolated from lobsters (Homarus americanus)
- PMID: 6213614
An unusual heparan sulfate isolated from lobsters (Homarus americanus)
Abstract
An unusual heparan sulfate was isolated from lobsters (Homarus americanus). The polysaccharide has a composition and properties intermediate to heparin and the more common heparan sulfates. The sulfate and D-glucuronic acid content is high, while anticoagulant activity is low. The major repeating unit appears to consist of D-glucuronic acid and D-glucosamine N-O-disulfate. Some N-acetyl groups are present, the content of L-iduronic acid O-sulfate is low, and monosulfated or nonsulfated disaccharide-repeating units (very common in heparan sulfates) appear to be very rare. The data obtained again emphasize the heterogeneity of heparan sulfates and the need for adequate characterization when dealing with unusual or unexplored sources.
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