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Combining genetic and biochemical approaches to identify functional molecular contact points.

Authors
  • Badtke, Matthew P
  • Cao, Feng
  • Tavis, John E
Type
Published Article
Journal
Biological procedures online
Publication Date
Jan 01, 2006
Volume
8
Pages
77–86
Identifiers
PMID: 17033698
Source
Medline
License
Unknown

Abstract

Protein-protein interactions are required for many viral and cellular functions and are potential targets for novel therapies. Here we detail a series of genetic and biochemical techniques used in combination to find an essential molecular contact point on the duck hepatitis B virus polymerase. These techniques include differential immunoprecipitation, mutagenesis and peptide competition. The strength of these techniques is their ability to identify contact points on intact proteins or protein complexes employing functional assays. This approach can be used to aid identification of putative binding sites on proteins and protein complexes which are resistant to characterization by other methods.

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