pull-down assay

https://doi.org/10.1351/goldbook.09879

Approach used for studying protein–protein interactions analogous to immunoprecipitation, using (instead of antibody) one of the interacting proteins (the "bait") immobilised at a surface to capture the other protein (the "prey").

Source:
PAC, 2018, 90, 1121. (Terminology of bioanalytical methods (IUPAC Recommendations 2018)) on page 1185 [Terms] [Paper]