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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Chondroitinase C from Flavobacterium heparinum.

A chondroitinase that acts upon chondroitin sulfate C and hyaluronic acid was isolated from Flavobacterium heparinum. This enzyme was seperated from constitutional chondroitinase AC and an induced chondroitinase B also present in extracts of F. heparinum previously grown in the presence of chondroitin sulfates A, B or C. The enzyme acts upon chondroitin sulfate C producing tetrasaccharide plus an unsaturated 6-sulfated disaccharide (delta Di-6S), and upon hyaluronic acid producing unsaturated nonsulfated disaccharide (delta Di-OS). Chondroitin sulfate A is also degraded producing oligosaccharides and delta Di-6S but not delta Di-4S. The chondroitinase C is also distinguished from the chondroitinases B and AC by several properties, such as effect of ions, temperature for optimal activity, and susceptibility to increasing salt concentrations. The substrate specificity of the chondroitinase C is different from that of any other chondroitinase or hyaluronidase described so far.[1]


  1. Chondroitinase C from Flavobacterium heparinum. Michelacci, Y.M., Dietrich, C.P. J. Biol. Chem. (1976) [Pubmed]
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