5.1.99.1 16000 - 2 * 16000, subunits not connected by disulfide bonds, SDS-PAGE in presence and absence of 2-mercaptoethanol 2434, 2442 5.1.99.1 32000 - gel filtration 2434, 2442 5.1.99.1 17000 - 2 * 17000, SDS-PAGE in presence of 2-mercaptoethanol 2437 5.1.99.1 33000 35000 gel filtration, sedimentation equilibrium studies 2437 5.1.99.1 29000 - low speed sedimentation without reaching equilibrium 2438 5.1.99.1 31700 - 2 * 31700 649408 5.1.99.1 20000 - 2 * 20000, recombinant His-tagged enzyme, SDS-PAGE 726729 5.1.99.1 20000 - 2 * 20000, SDS-PAGE 726729 5.1.99.1 32100 - gel filtration 726729 5.1.99.1 32100 - recombinant His-tagged enzyme, gel filtration 726729