3.2.1.7 31000 - x * 34000, isoform Endo-I, x * 31000, isoform Endo-II, SDS-PAGE 708551 3.2.1.7 34000 - x * 34000, isoform Endo-I, x * 31000, isoform Endo-II, SDS-PAGE 708551 3.2.1.7 49500 - 1 * 49500, SDS-PAGE 136824 3.2.1.7 53000 - gel filtration 136820 3.2.1.7 55000 - x * 55000, SDS-PAGE 729020 3.2.1.7 55500 - sequence analysis 695820 3.2.1.7 55800 - sequence analysis 695820 3.2.1.7 55900 - sequence analysis 695820 3.2.1.7 56000 - gel filtration 136816 3.2.1.7 56000 - x * 56000, SDS-PAGE 729183