Crystal structure of Campylobacter jejuni lipoprotein Cj1090c
- Univ. of Houston, TX (United States)
- Argonne National Laboratory (ANL), Argonne, IL (United States). Structural Biology Center
In Gram-negative bacteria, lipopolysaccharide (LPS) is an essential component of the asymmetric outer membrane (OM). LptE is an OM lipoprotein that forms a complex with the β-barrel OM protein, LptD. Incorporation of LPS into the OM outer leaflet is essential for bacterial viability, and mediated by the LptD/E complex. The genome of Campylobacter jejuni, a major foodborne pathogen, contains over 20 putative lipoproteins including Cj1090c. Here, we report the crystal structure of Cj1090c at 2.4 Å resolution, revealing structural evidence for LptE in C. jejuni. The analysis of this crystal structure, along with the genomic context, allows us to propose the C. jejuni LPS transport system for the first time, and also permits for discussion of the features of the LptD/E complex of C. jejuni.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE; Welch Foundation
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 2378032
- Journal Information:
- Proteins, Journal Name: Proteins Journal Issue: 3 Vol. 91; ISSN 0887-3585
- Publisher:
- WileyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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