GST Pull Down Assay to Study PIF4 Binding In Vitro Springer Nature Link A novel approach for separating bacteriophages from other bacteriophages using affinity chromatography and phage display Scientific Reports Human viperin catalyzes the modification of GPP and FPP potentially affecting cholesterol synthesis Mikulecky 2018 FEBS Letters Wiley Online Library GST SpinTrap Purification Module From GE Healthcare Biocompare Product Review Affinity chromatography columns, HiTrap protein G HP VWR, part of Avantor Glutathione Sepharose and prepacked columns