Here, we present an optimized in vitro method to uncover, quantify, and validate protein interactors of specific RNA sequences, using total protein extract from human cells, streptavidin beads coated with biotinylated RNA, and mass spectrometry analysis.
Crua Asensio, N., Rizzieri, S., Cuomo, A., Tartaglia, G. G., Zacco, E. An Optimized Quantitative Pull-Down Analysis of RNA-Binding Proteins Using Short Biotinylated RNA. J. Vis. Exp. (192), e64923, doi:10.3791/64923 (2023).