Crystallization and preliminary X-ray diffraction analysis of a soluble domain of the putative zinc transporter CzrB from Thermus thermophilus.
Item Type:Journal Article
Citation:Höfer, N., Kolaj, O., Li, H., Cherezov, V., Gillilan, R., Wall, J., Caffrey, M., Crystallization and preliminary X-ray diffraction analysis of a soluble domain of the putative zinc transporter CzrB from Thermus thermophilus., Acta Crystallographica Section F: Structural Biology and Crystallization Communications, 63, 8, 2007, 673-677
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CzrB is a putative zinc transporter from Thermus thermophilus. The protein is proposed to consist of a hexahelical transmembrane domain with a cytosolic extramembranal C-terminus. The latter 92-residue fragment may be expressed free and may function independently of the full-length integral membrane protein. A 6 His-tagged form of the water-soluble fragment has been overexpressed in Escherichia coli and diffraction-quality crystals of the tagged and tag-free variants have been grown. Preliminary X-ray analyses of tag-free fragment crystals with (2.2 A ? resolution) and without zinc ions (1.7 A ? resolution) reveal that the former has at least two zinc ions bound per monomer.
Science Foundation Ireland (SFI)
Author: CAFFREY, MARTIN
Type of material:Journal Article
Series/Report no:Acta Crystallographica Section F: Structural Biology and Crystallization Communications
Availability:Full text available
Subject (TCD):Nanoscience & Materials