3.7.1.1 31986 - 4 * 31986, mass spectrometry 693684 3.7.1.1 32000 - 4 * 32000, SDS-PAGE 693684 3.7.1.1 32117 - 4 * 32117, calculated from amino acid sequence 693684 3.7.1.1 34360 - theoretical molecular mass 687682 3.7.1.1 35000 - determined by SDS-PAGE 687682 3.7.1.1 39000 - 10-12 * 39000, SDS-PAGE 210608 3.7.1.1 100000 - determined by gel filtration, indicative of a homotrimeric quaternary structure 687682 3.7.1.1 110000 - gel filtration 693684 3.7.1.1 250000 - gel filtration 210609 3.7.1.1 360000 440000 two major bands, native PAGE 210608