Cloning, expression, purification, crystallization and preliminary X-ray diffraction analysis of an ASCH domain-containing protein from Zymomonas mobilis ZM4
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- Title
- Cloning, expression, purification, crystallization and preliminary X-ray diffraction analysis of an ASCH domain-containing protein from Zymomonas mobilis ZM4
- Authors
- Park, SY; Park, JH; Kim, JS
- Date Issued
- 2011-03
- Publisher
- International Union of Crystallography
- Abstract
- The human activating signal cointegrator 1 (ASC-1) homology (ASCH) domain is frequently observed in many organisms, although its function has not yet been clearly defined. In Zymomonas mobilis ZM4, the ZMO0922 gene encodes a polypeptide that includes an ASCH domain (zmASCH). To provide a better structural background for the probable role of ASCH domain-containing proteins, the ZMO0922 gene was cloned and expressed. The purified protein was crystallized from 30%(w/v) polyethylene glycol 400, 0.1 M cacodylic acid pH 6.5 and 0.2 M lithium sulfate. Diffraction data were collected to 2.1 A resolution using synchrotron radiation. The crystal belonged to the primitive trigonal space group P3(1)21 or P3(2)21, with unit-cell parameters a = b = 51.67, c = 207.30 A, alpha = beta = 90, gamma = 120 degrees. Assuming the presence of one molecule in the asymmetric unit gave a Matthews coefficient of 4.69 A3 Da-1, corresponding to a solvent content of 73.7%.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/109136
- DOI
- 10.1107/S1744309110053467
- ISSN
- 1744-3091
- Article Type
- Article
- Citation
- Acta Crystallographica Section F: Structural Biology and Crystallization Communications, vol. 67, no. 3, page. 310 - 312, 2011-03
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