4.2.3.13 ? x * 64200, calculated 702923 4.2.3.13 ? x * 64200, calculated from amino acid sequence 702923 4.2.3.13 ? x * 64600, about, sequence calculation 746924 4.2.3.13 monomer 1 * 64000, gel filtration, SDS-PAGE 702321 4.2.3.13 monomer 1 * 64000-65000, SDS-PAGE 648578