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. Author manuscript; available in PMC: 2008 Jul 1.
Published in final edited form as: Methods. 2007 Jul;42(3):207–219. doi: 10.1016/j.ymeth.2007.02.010

Fig. 3.

Fig. 3

Screening of the pY peptide library against an SH2 domain. (a) Scheme showing the steps involved in colorimetric screening of the pY peptide library against a biotinylated MBP-SH2 domain. Key: MBP, maltose binding protein; SA, streptavidin; AP, alkaline phosphatase. (b) A photograph of a portion of the screened library (~50x magnification). A positive bead (turquoise colored) is shown.