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Protein & Peptide Letters

Editor-in-Chief

ISSN (Print): 0929-8665
ISSN (Online): 1875-5305

Purification, Crystallization and Preliminary X-Ray Studies of AxCesD Required for Efficient Cellulose Biosynthesis in Acetobacter xylinum

Author(s): Min Yao, SongQing Hu, YongGui Gao, Kenji Tajima, Takanori Yoda, Daisuke Shimura, Yasuharu Satoh, Shin Kawano, Isao Tanaka and Masanobu Munekata

Volume 15, Issue 1, 2008

Page: [115 - 117] Pages: 3

DOI: 10.2174/092986608783330422

Price: $65

Abstract

AxCesD protein required for bacterial cellulose biosynthesis in Acetobacter xylinum was overexpressed in E. coli, purified and crystallized. Single crystals of SeMet-substituted AxCesD were obtained by the sitting-drop vapordiffusion method. The crystal belongs to the primitive trigonal space group P32, with unit-cell parameters a = b = 77.7 Å, and c = 213.9 Å. The asymmetric unit in the crystal was assumed to contain 8 protein molecules giving the Matthews coefficient (VM ) of 2.54 Å3 Da-1. Se-MAD data were collected to 2.3 Å resolution using synchrotron radiations.

Keywords: AxCesD, bacterial cellulose, biosynthesis, crystal, Acetobacter xylinum


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