1. Structure and mode of peptide binding of pheromone receptor PrgZ.
- Author
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Berntsson RP, Schuurman-Wolters GK, Dunny G, Slotboom DJ, and Poolman B
- Subjects
- Amino Acid Sequence, Binding Sites, Calorimetry, Differential Scanning, Crystallography, X-Ray, Hydrogen Bonding, Hydrophobic and Hydrophilic Interactions, Models, Molecular, Protein Binding, Protein Interaction Domains and Motifs, Structural Homology, Protein, Transition Temperature, Bacterial Proteins chemistry, Carrier Proteins chemistry, Enterococcus faecalis, Oligopeptides chemistry, Pheromones chemistry
- Abstract
We present the crystal structure of the pheromone receptor protein PrgZ from Enterococcus faecalis in complex with the heptapeptide cCF10 (LVTLVFV), which is used in signaling between conjugative recipient and donor cells. Comparison of PrgZ with homologous oligopeptide-binding proteins (AppA and OppA) explains the high specificity of PrgZ for hydrophobic heptapeptides versus the promiscuity of peptide binding in the homologous proteins.
- Published
- 2012
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