3.2.2.8 additional information determination of the quarternary structure 664140 3.2.2.8 additional information structure analysis by dynamic light scattering 663495 3.2.2.8 tetramer 4 * 33000, SDS-PAGE 679803 3.2.2.8 tetramer 4 * 34000, SDS-PAGE, 4 * 34340, calculated from sequence 752168 3.2.2.8 tetramer 4 * 35210, calculated from sequence 679803 3.2.2.8 tetramer 4 * 36000, detagged recombinant enzyme, SDS-PAGE 663495 3.2.2.8 tetramer 4 * 36000, SDS-PAGE 654131 3.2.2.8 tetramer homotetramer, 4 * 33000, SDS-PAGE 657373