The use of antibodies to the polypyrimidine tract binding protein (PTB) to analyze the protein components that assemble on alternatively spliced pre-mRNAs that use distant branch points.
J S Grossman, M I Meyer, Y C Wang, G J Mulligan, R Kobayashi, and D M Helfman
RNA. 1998 June; 4(6): 613–625. PMCID: PMC1369644