Nucleotide dependent conformational changes direct peptide export by the transporter associated with antigen processing: Immunity A widely occurring family of pore forming effectors broadens the impact of the Serratia Type VI secretion system The EMBO Journal Springer Nature Link Cryo EM structure of the botulinum neurotoxin A SV2B complex and its implications for translocation Nature Communications Purification Using GST HiTrap 1 mL and 5 mL Columns: GSTrap 4B, GSTrap FF, and GSTrap HP Glutathione Sepharose and prepacked columns