An In Vitro Pull down Assay of the E3 Ligase:PROTAC:Substrate Ternary Complex to Identify Effective PROTACs Springer Nature Link A pathogenic mutation in SNAP impairs membrane lipid binding by concealing a critical hydrophobic loop Communications Biology 10 l of Glutathione Sepharose 4B beads were coated with GST or the Download Scientific Diagram Purification Using GST HiTrap 1 mL and 5 mL Columns: GSTrap 4B, GSTrap FF, and GSTrap HP