2.8.3.3 30000 - 1 * 70000 + 1 * 40000 + 2 * 30000, alphabeta1(beta2)2, SDS-PAGE 4864 2.8.3.3 40000 - 1 * 70000 + 1 * 40000 + 2 * 30000, alphabeta1(beta2)2, SDS-PAGE 4864 2.8.3.3 70000 - 1 * 70000 + 1 * 40000 + 2 * 30000, alphabeta1(beta2)2, SDS-PAGE 4864 2.8.3.3 170000 - gel filtration 4864