4.1.99.1 46000 - 4 * 46000, SDS-PAGE 37363 4.1.99.1 50000 - mass spectrometry 705580 4.1.99.1 50000 - tryptophanase subunit, SDS-PAGE 701449 4.1.99.1 50000 - x * 50000, SDS-PAGE 37366 4.1.99.1 51000 - 2 * 51000, SDS-PAGE, gel filtration 715059 4.1.99.1 52000 - 4 * 52000 671054, 678747 4.1.99.1 52000 - x * 52000, wild-type enzyme, SDS-PAGE 727478 4.1.99.1 52500 - calculated from amino acid sequence 705579 4.1.99.1 52500 - x * 52500, SDS-PAGE 715733 4.1.99.1 52800 - 4 * 52800 677332 4.1.99.1 54000 - 4 * 54000, SDS-PAGE 37353 4.1.99.1 55000 - 4 * 55000, SDS-PAGE 37345, 37346 4.1.99.1 57000 - 4 * 57000, equilibrium sedimentation in 6 M guanidine hydrochloride 37358 4.1.99.1 59000 - 4 * 59000, SDS-PAGE 37347 4.1.99.1 107800 - gel filtration 715059 4.1.99.1 208000 - - 37341 4.1.99.1 210000 - calculation from sedimentation and diffusion measurement 37349 4.1.99.1 210000 - gel filtration 37362, 37363 4.1.99.1 216000 - aggregation to form species with MW 432000 Da, 648000 Da, and 864000 Da, sucrose density gradient centrifugation, equilibrium sedimentation 37353, 37354 4.1.99.1 220000 - - 37335 4.1.99.1 220000 - strain B/1t7-A 37341 4.1.99.1 222000 - ultracentrifugation and sedimentation measurement 37346 4.1.99.1 223000 - strain K-12, equilibrium sedimentation 37358 4.1.99.1 244000 - equilibrium sedimentation 37347