High-throughput genotyping, protein purification featured in Cold Spring Harbor...(sequential affinity purification steps t...)

Date:11/2/2009

sequential affinity purification steps to avoid non-specific protein interactions, a common problem in identifying proteins in complexes. "Bimolecular Affinity Purification (BAP): Tandem Affinity Purification Using Two Protein Baits," from Ezra Burstein and colleagues (http://www.utsouthwestern.edu/utsw/cda/dept24482/files/536923.html), presents a variation on the TAP procedure in which the affinity moieties are placed on two different proteins of a molecular complex to isolate or detect components present in the complex. This variation, called bimolecular affinity purification (BAP), is suited for the identification of specific molecular complexes marked by the presence of two known components. The article is freely accessible on the website for Cold Spring Harbor Protocols (http://cshprotocols.cshlp.org/cgi/content/full/2009/11/pdb.prot5318).

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Contact: David Crotty crotty@cshl.edu 516-422-4007 Cold Spring Harbor Laboratory Source:Eurekalert

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