Lorena I Boju

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The crystal structures of Flavobacterium heparinium chondroitin AC lyase (chondroitinase AC; EC 4.2.2.5) bound to dermatan sulfate hexasaccharide (DS(hexa)), tetrasaccharide (DS(tetra)), and hyaluronic acid tetrasaccharide (HA(tetra)) have been refined at 2.0, 2.0, and 2.1 A resolution, respectively. The structure of the Tyr234Phe mutant of AC lyase bound(More)
The aminoacylase-1/metallopeptidase 20 (Acy1/M20) family is the largest metallopeptidase family. Several crystal structures feature a metal-binding and a dimerization-mediating domain, both arranged in an extended open conformation. We have recently shown [Lindner et al. (2003) J. Biol. Chem. 278, 44496-44504] that in human Acy1 the invariant residues(More)
The metabolic pathway for histidine biosynthesis is interesting from an evolutionary perspective because of the diversity of gene organizations and protein structures involved. Hydrolysis of phosphoribosyl-AMP, the third step in the histidine biosynthetic pathway, is carried out by PR-AMP cyclohydrolase, the product of the hisI gene. The three-dimensional(More)
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