2.3.1.17 ? x * 33000-35000, SDS-PAGE of recombinant His-tagged protein 719199 2.3.1.17 ? x * 56000-60000, recombinant MBP-His-tagged enzyme without membrane anchor, SDS-PAGE, x * 33900, recombinant His-tagged enzyme without membrane anchor, SDS-PAGE 737193 2.3.1.17 multimer at least 10 bands on SDS-PAGE indicating a large enzyme complex 659757