1.97.1.1 ? x * 37000, calculated for beta-subunit 674244 1.97.1.1 dimer alpha, beta, 1 * 100000 + 1 * 40000, SDS-PAGE -, 658779 1.97.1.1 hexamer alpha3,beta3, 3 * 95000 + 3* 40000, each dimer: alpha and beta contains 1 Mo, 1 Se and 10 Fe, SDS-PAGE -, 437685 1.97.1.1 oligomer alpha, beta, gamma and delta subunit peptides are identified from bacterial culture using mass spectrometry -, 696504 1.97.1.1 trimer - 660446 1.97.1.1 trimer 1 * 75000 + 1 * 63000 + 1 * 56000, SDS-PAGE, 2-mercaptoethanol containing gels 437681 1.97.1.1 trimer alphabetagamma, 1 * 60000 + 1 * 48000 + 1 * 27000, SDS-PAGE -, 658779 1.97.1.1 trimer alphabetagamma, 1 * 97000 + 1 * 38000 + 1 * 34000, SDS-PAGE, native mass by gel filtration -, 659023