Reference: Hertveldt K, et al. (2006) Whole genome phage display selects for proline-rich Boi polypeptides against Bem1p. Biotechnol Lett 28(16):1233-9

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Abstract


Interaction selection by biopanning from a fragmented yeast proteome displayed on filamentous phage particles was successful in identifying proline-rich fragments of Boi1p and Boi2p. These proteins bind to the second "src homology region 3'' (SH3) domain of Bem1p, a protein of Saccharomyces cerevisiae involved in bud formation. Target Bem1p was a doubly-tagged recombinant, Bem1([Asn142-Ile551]), which strongly interacts in ELISA with a C-terminal 75 amino acids polypeptide from Cdc24p exposed on phage. The whole yeast genomic display library contained approximately 7.7 x 10(7) independent clones of sheared S. cerevisiae genomic DNA fused to a truncated M13 gene III. This study corroborates the value of fragmented-proteome display to identify strong and direct interacting protein modules.

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Journal Article | Research Support, Non-U.S. Gov't
Authors
Hertveldt K, Robben J, Volckaert G
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