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  • Title: Crystallization and preliminary X-ray analysis of the catalytic domain of xylanase a from Pseudomonas fluorescens subspecies cellulosa.
    Author: Pickersgill RW, Jenkins JA, Scott M, Connerton I, Hazlewood GP, Gilbert HJ.
    Journal: J Mol Biol; 1993 Jan 05; 229(1):246-8. PubMed ID: 8421306.
    Abstract:
    The catalytic domain of the xylan-degrading enzyme xylanase A, from Pseudomonas fluorescens subspecies cellulosa, has been expressed in Escherichia coli and crystallized. The crystals are well ordered and diffract to 1.8 A using X-rays generated at the Photon Factory in Japan. The crystals are orthorhombic, space group P2(1)2(1)2(1) with a = 95.7 A, b = 97.1 A and c = 149.8 A (all +/- 0.2 A). The similarity of the a and b cell edges, the intensity of the reflections along c* and the self rotation function results suggest a pseudo-tetragonal arrangement of molecules in the unit cell. There are probably four molecules in the asymmetric unit.
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