3.6.5.4 - 644163, 644165, 644166, 644168, 644169, 644171, 644172, 644173, 644175, 644180, 657913, 658538, 660000, 660347, 660353, 669585, 686396, 686752, 687902, 687905, 688395, 690025 3.6.5.4 Ffh NG is purified 684156 3.6.5.4 Ffh NG is purified, the Ffh NG-FtsY NGd20 complex is purified using ion exchange chromatography, a Q Sepharose and a SP Sepharose column 688692 3.6.5.4 FtsY NGd20 is purified, the Ffh NG-FtsY NGd20 complex is purified using ion exchange chromatography, a Q Sepharose and a SP Sepharose column 688692 3.6.5.4 glutathione Sepharose column chromatography 696594, 696602, 699552 3.6.5.4 heat selective precipitation, cobalt-chelating affinity chromatography, gel filtration, and ion-exchange chromatography 700888, 700889 3.6.5.4 HiPrep heparin Sepharose column chromatography, SP Sepharose column chromatography, and Superdex 75 gel filtration 695328 3.6.5.4 Ni-Sepharose column chromatography 700263 3.6.5.4 proteins are purified using histidine-binding magnetic agarose beads 684117 3.6.5.4 recombinant 669412