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Phage λ Orf substitutes for the activities of the Escherichia coli RecFOR proteins in vivo and is therefore implicated as a recombination mediator, encouraging the assembly of bacterial RecA onto single‐stranded DNA (ssDNA) coated with SSB. Orf exists as a dimer in solution, associates with E. coli SSB and binds preferentially to ssDNA. To help identify interacting domains we analysed Orf and SSB...
Bacterially expressed nucleocapsid (N) protein, from respiratory syncytial virus (RSV), was used to investigate RNA binding in a modified North-Western blotting protocol. The recombinant protein demonstrated no sequence specificity in binding RNA representing either the antigenomic leader sequence or the nonspecific sequence derived from a plasmid vector. When recombinant N was purified on CsCl gradients,...
The interaction of the respiratory syncytial virus (RSV) Matrix (M) protein with the plasma membrane was investigated using polyclonal and monoclonal antisera raised against recombinant M expressed in bacteria. M bound mainly to the plasma membrane, although a significant proportion bound to internal membranes. However, no localisation of M with the Golgi was observed, suggesting that transport of...
To investigate structure and biological properties of the nucleocapsid (N) protein of respiratory syncytial virus (RSV), we have generated a panel of 16 monoclonal antibodies, raised against recombinant N protein, and epitope mapped seven of these to three antigenic sites (Site I aa 16–30; Site II aa 341–350; Site III aa 351–365). Characterization by immunofluorescence and by immunoprecipitation assay...
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