1.14.15.36 ? x * 50000, SDS-PAGE, x * 51400, calculated from sequence -, 752067 1.14.15.36 ? x * 51600, SDS-PAGE 749797 1.14.15.36 ? x * 54000, SDS-PAGE -, 746345 1.14.15.36 dodecamer x * 62000, SDS-PAGE, recombinant enzyme 659189