2.7.4.2 21000 - 1 * 21000, SDS-PAGE 645174, 645177 2.7.4.2 22000 - - 645174 2.7.4.2 22000 - sucrose density gradient centrifugation 645177 2.7.4.2 22000 - x * 22000, SDS-PAGE 721510 2.7.4.2 22500 - - 645174 2.7.4.2 22500 - gel filtration 645177 2.7.4.2 22900 - recombinant His-tagged wild-type enzyme, gel filtration 672134 2.7.4.2 24200 - 1 * 24200, sequence calculation 672134 2.7.4.2 36200 - x * 36200, calculated from sequence 722571 2.7.4.2 37747 - x * 37747, MALDI mass spectroscopy 645182 2.7.4.2 40500 - 2 * 48000, SDS-PAGE, analytical ultracentrifugation, 2 * 40500, amino acid sequence 663336 2.7.4.2 48000 - 2 * 48000, SDS-PAGE, analytical ultracentrifugation, 2 * 40500, amino acid sequence 663336 2.7.4.2 76000 - analytical ultracentrifugation 663336 2.7.4.2 81000 - calculated from amino acid sequence 663336 2.7.4.2 128000 - gel filtration 645180