4.2.1.31 dimer - -, 746830 4.2.1.31 dimer alpha1 beta1, 1 * 57000 + 1 * 24000, SDS-PAGE 5647 4.2.1.31 dimer alpha1 beta1, 1 * 58000 + 1 * 28000, SDS-PAGE -, 5648 4.2.1.31 monomer 1 * 69500, SDS-PAGE 5643 4.2.1.31 additional information amino acid composition 5643