Guangdong Provincial Key Laboratory of Bioengineering Medicine 1 article published in JoVE Bioengineering Screening and Identification of Small Peptides Targeting Fibroblast Growth Factor Receptor2 using a Phage Display Peptide Library Ying Zhao*1, Qiang Wang*1, An Hong1, Xiaojia Chen1 1Institute of Biomedicine & Department of Cell Biology, Jinan University, National Engineering Research Center of Genetic Medicine, Guangdong Provincial Key Laboratory of Bioengineering Medicine Herein, we present a detailed protocol for screening small peptides that bind to FGFR2 using a phage display peptide library. We further analyze the affinity of the selected peptides toward FGFR2 in vitro and its ability to suppress cell proliferation.