Crystallization and preliminary X-ray analysis of chondroitinase B from Flavobacterium heparinum. 1999

Y Li, and A Matte, and H Su, and M Cygler
Biotechnology Research Institute, 6100 Royalmount Ave., Montreal, QC, Canada H4P 2R2 and Montreal Joint Center for Structural Biology, Montreal, QC, Canada.

Chondroitinase B, a glycosaminoglycan lyase from Flavobacterium heparinum, has been crystallized by hanging-drop vapor diffusion in space group P21 with unit-cell parameters a = 50.6, b = 74.5, c = 58. 7 A, beta = 92.9 degrees and one molecule in the asymmetric unit. This enzyme degrades dermatan sulfate, a glycosaminoglycan primarily made up of a disaccharide repeating unit of iduronic acid and N-acetylgalactosamine. A complete native data set has been collected from a single crystal to 2.2 A resolution using a rotating-anode source.

UI MeSH Term Description Entries
D003460 Crystallization The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Crystalline Polymorphs,Polymorphism, Crystallization,Crystal Growth,Polymorphic Crystals,Crystal, Polymorphic,Crystalline Polymorph,Crystallization Polymorphism,Crystallization Polymorphisms,Crystals, Polymorphic,Growth, Crystal,Polymorph, Crystalline,Polymorphic Crystal,Polymorphisms, Crystallization,Polymorphs, Crystalline
D005417 Flavobacterium A genus of gram-negative, aerobic, rod-shaped bacteria widely distributed in SOIL and WATER. Its organisms are also found in raw meats, MILK and other FOOD, hospital environments, and human clinical specimens. Some species are pathogenic in humans.
D018360 Crystallography, X-Ray The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) X-Ray Crystallography,Crystallography, X Ray,Crystallography, Xray,X Ray Crystallography,Xray Crystallography,Crystallographies, X Ray,X Ray Crystallographies
D019765 Chondroitin ABC Lyase An enzyme that catalyzes the eliminative degradation of polysaccharides containing 1,4-beta-D-hexosaminyl and 1,3-beta-D-glucuronosyl or 1,3-alpha-L-iduronosyl linkages to disaccharides containing 4-deoxy-beta-D-gluc-4-enuronosyl groups. (Enzyme Nomenclature, 1992) Chondroitinase ABC,Chondroitin-Sulfate-ABC Endolyase,Chondroitin Sulfate ABC Endolyase

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