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Title: Crystallization and preliminary X-ray diffraction analysis of Xyn30D from Paenibacillus barcinonensis
Author: Sainz Polo, M. A.
Valenzuela Mayorga, Susana Valeria
Pastor Blasco, Francisco I. Javier
Sanz Aparicio, J.
Keywords: Enzims microbians
Microbial enzymes
Issue Date: 2014
Publisher: International Union of Crystallography
Abstract: Xyn30D, a new member of a recently identified group of xylanases, has been purified and crystallized. Xyn30D is a bimodular enzyme composed of an N-terminal catalytic domain belonging to glycoside hydrolase family 30 (GH30) and a C-terminal family 35 carbohydrate-binding domain (CBM35) able to bind xylans and glucuronic acid. Xyn30D shares the characteristic endo mode of action described for GH30 xylanases, with the hydrolysis of the [beta]-(1,4) bonds of xylan being directed by [alpha]-1,2-linked glucuronate moieties, which have to be placed at the -2 subsite of the xylanase active site. Crystals of the complete enzyme were obtained and a full data set to 2.3 Å resolution was collected using a synchrotron X-ray source. This represents the first bimodular enzyme with the domain architecture GH30-CBM35. This study will contribute to the understanding of the role that the different xylanases play in the depolymerization of glucuronoxylan.
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It is part of: Acta Crystallographica Section F: Structural Biology and Crystallization Communications, 2014, vol. F70, p. 963-966
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ISSN: 1744-3091
Appears in Collections:Articles publicats en revistes (Genètica, Microbiologia i Estadística)

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