3.1.21.7 10000 - 2 * 10000, SDS-PAGE, in the presence of 100 mM KCl 288780 3.1.21.7 13000 - 4 * 13000, SDS-PAGE 288787 3.1.21.7 16000 - gel filtration in the presence of 10 mM KCl 288780 3.1.21.7 16000 - gel filtration sedimentation equilibrium technique in the presence of 100 mM KCl 288776 3.1.21.7 19000 - gel filtration in the presence of 100 mM KCl 288780 3.1.21.7 20000 - glycerol density gradient sedimentation 288786 3.1.21.7 23580 - x * 23580, calculated from sequence, His-tagged enzyme 731387 3.1.21.7 27000 - glycerol density gradient centrifugation 288788 3.1.21.7 27800 - 1 * 27800, calculated from amino acid sequence 728877 3.1.21.7 28800 - 1 * 28800, SDS-PAGE 728877