1.8.4.2 additional information - 3 molecular forms: MW 56000 is the major form, MW 51000 is active and only present in spleen, possibly a proteolytic product of 56000 MW protein, MW 67000 is possibly a precursor of 56000 MW protein 394810 1.8.4.2 12000 - ? * 12000, SDS-PAGE 394863 1.8.4.2 12000 - PAGE 763028 1.8.4.2 14000 - 2 * 14000, SDS-PAGE 670797 1.8.4.2 14056 - 2 * 14056, unmodified recombinant WhiB1, MALDI-TOF mass spectrometry 670797 1.8.4.2 14284 - 2 * 14284, reduced protein after alkylation corresponding to the theoretical mass of the recombinant protein with four iodoacetamide mediated modifications of cysteines, MALDI-TOF mass spectrometry 670797 1.8.4.2 20000 - DsbB gene product 394853 1.8.4.2 20000 - x * 20000, SDS-PAGE 725524 1.8.4.2 21100 - DsbA gene product 394853, 394855 1.8.4.2 25700 - ? * 25700, SDS-PAGE 394861