6.4.1.3 ? x * 57000 + x * 64000, SDS-PAGE of mercaptoethanol-treated enzyme 1869 6.4.1.3 ? x * 64000 + x * 77000, SDS-PAGE under reducing conditions 1878 6.4.1.3 ? x * 70000, propionyl-coA carboxylase alpha chain, mass spectrometry 690723 6.4.1.3 ? x * 72000, alpha, + x * 56000, beta, SDS-PAGE under reducing conditions 1868 6.4.1.3 ? x * 74000, biotin-containing, + x * 58000, SDS-PAGE 1870 6.4.1.3 ? x * 75000, biotin-containing subunit, + x * 60000, PAGE after reduction and alkylation 1867 6.4.1.3 dodecamer - 1866 6.4.1.3 dodecamer 4 * 62000 + 4 * 59000 + 4 * 20000, SDS-PAGE 725234 6.4.1.3 dodecamer 6 * alpha + 6 * beta 651406, 652691, 653246 6.4.1.3 dodecamer 6 alpha and 6 beta subunits 651459, 653247