Purification Using GST HiTrap 1 mL and 5 mL Columns: GSTrap 4B, GSTrap FF, and GSTrap HP Cryo EM structure of the botulinum neurotoxin A SV2B complex and its implications for translocation Nature Communications Sepharose CL 4B, 1 L Nucleotide dependent conformational changes direct peptide export by the transporter associated with antigen processing: Immunity Cytiva 17527901 Glutathione Sepharose High Performance, 25 mLItem must be purchased in units of 1 Cytiva Glutathione Sepharose 4B Genesee Scientific