Crystallization and preliminary X-ray diffraction analysis of the cytosolic domain of a cation diffusion facilitator family protein
- Department of Biological Information, Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama-shi, Kanagawa 226-8501 (Japan)
Selenomethionine-substituted crystals of the cytosolic domain of the cation diffusion facilitator family protein from T. maritima diffracted X-rays to 2.5 Å and belonged to space group R32, with unit-cell parameters a = b = 97.7, c = 83.4 Å. The cation diffusion facilitator (CDF) family proteins are ubiquitously distributed in the three domains of life and transport metals such as zinc and various heavy metals. Prokaryotic CDF proteins consists of an N-terminal putative six-transmembrane domain followed by a C-terminal cytosolic domain. The cytosolic domain of the CDF-family protein from Thermotoga maritima has been overexpressed, purified and crystallized. The selenomethionine-substituted crystals diffracted X-rays to 2.5 Å resolution using synchrotron radiation, belonged to space group R32, with unit-cell parameters a = b = 97.7, c = 83.4 Å, and are expected to contain one molecule in each asymmetric unit.
- OSTI ID:
- 22360540
- Journal Information:
- Acta Crystallographica. Section F, Journal Name: Acta Crystallographica. Section F Journal Issue: Pt 9 Vol. 63; ISSN ACSFCL; ISSN 1744-3091
- Country of Publication:
- United Kingdom
- Language:
- English
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