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Crystallization and preliminary X-ray diffraction analysis of a novel GH120 ?-xylosidase (XylC) from Thermoanaerobacterium saccharolyticum JW/SL-YS485.


ABSTRACT: Xylosidases hydrolyze xylopolymers at the nonreducing end to free xylose units. The ?-xylosidase (XylC) from Thermoanaerobacterium saccharolyticum JW/SL-YS485 was expressed in Escherichia coli and the recombinant protein was purified and crystallized. A BLASTP search with the XylC protein sequence showed that no similar structure had previously been solved. XylC was classified as a member of the new glycoside hydrolase family GH120 according to the CAZy website (http://www.cazy.org/). Crystals belonging to the monoclinic space group P2(1), with unit-cell parameters a = 88.36, b = 202.20, c = 99.87?Å, ? = 99.04°, were obtained by the sitting-drop vapour-diffusion method and diffracted to 2.2?Å resolution. Structure determination using MIR and MAD methods is in progress.

SUBMITTER: Liu W 

PROVIDER: S-EPMC3412772 | biostudies-literature | 2012 Aug

REPOSITORIES: biostudies-literature

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Crystallization and preliminary X-ray diffraction analysis of a novel GH120 β-xylosidase (XylC) from Thermoanaerobacterium saccharolyticum JW/SL-YS485.

Liu Wenting W   Sun Yu Y   Ko Tzu-Ping TP   Wiegel Juergen J   Shao Weilan W   Lu Fuping F   Guo Rey-Ting RT   Huang Chun-Hsiang CH  

Acta crystallographica. Section F, Structural biology and crystallization communications 20120731 Pt 8


Xylosidases hydrolyze xylopolymers at the nonreducing end to free xylose units. The β-xylosidase (XylC) from Thermoanaerobacterium saccharolyticum JW/SL-YS485 was expressed in Escherichia coli and the recombinant protein was purified and crystallized. A BLASTP search with the XylC protein sequence showed that no similar structure had previously been solved. XylC was classified as a member of the new glycoside hydrolase family GH120 according to the CAZy website (http://www.cazy.org/). Crystals b  ...[more]

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