Overexpression, purification, crystallization and preliminary X-ray studies of Vibrio cholerae EpsG
Journal Article
·
· Acta Crystallogr. F
EpsG is the major pseudopilin protein of the Vibrio cholerae type II secretion system. An expression plasmid that encodes an N-terminally truncated form of EpsG with a C-terminal noncleavable His tag was constructed. Recombinant EpsG was expressed in Escherichia coli; the truncated protein was purified and crystallized by hanging-drop vapor diffusion against a reservoir containing 6 mM zinc sulfate, 60 mM MES pH 6.5, 15% PEG MME 550. The crystals diffracted X-rays to a resolution of 2.26 {angstrom} and belonged to space group P2{sub 1}, with unit-cell parameters a = 88.61, b = 70.02, c = 131.54 {angstrom}.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 1006063
- Journal Information:
- Acta Crystallogr. F, Vol. 65, Issue (6) ; 06, 2009; ISSN 1744-3091
- Country of Publication:
- United States
- Language:
- ENGLISH
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