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Molecular size and symmetry of Pseudomonas aeruginosa catabolic ornithine carbamoyltransferase: An X-ray crystallography analysis

par Marcq, S.;Diaz-Ruano, A.;Charlier, Paulette;Dideberg, Otto;Tricot, Catherine ;Pierard, André ;Stalon, Victor
Référence Journal of Molecular Biology, 220, 1, page (9-12)
Publication Publié, 1991

Article révisé par les pairs

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Résumé :

The catabolic ornithine carbamoyltransferase (EC 2.1.3.3) from Pseudomonas aeruginosa, that shows allosteric behaviour, and a mutant version of this enzyme has been crystallized in several different crystal forms. All of these have been characterized by X-ray diffraction methods. A 4.5 Å resolution data set has been collected on a triclinic crystal. Analysis of the data using the self-rotation function shows that 12 monomers associate to form a particle with cubic 23 point group symmetry.