3.4.19.3	?	x * 22936, ionspray triple quadrupole mass spectrometry, carboxymethylated enzyme	722561	
3.4.19.3	?	x * 23135, calculation from nucleotide sequence	95307	
3.4.19.3	?	x * 23777, calculation from nucleotide sequence	95308	
3.4.19.3	?	x * 30000, wild-type enzyme, 3 bands of 30000 Da and of 60000 Da are detected in mutant enzymes S185C and C68S/S185C, SDS-PAGE in presence and in absence of 2-mercaptoethanol	650352	
3.4.19.3	?	x * 45643, ionspray triple quadrupole mass spectrometry, native enzyme	722561	
3.4.19.3	dimer	2 * 22441, calculation from nucleotide sequence	95295	
3.4.19.3	dimer	2 * 23000, SDS-PAGE	95295	
3.4.19.3	dimer	the mutant enzyme C142S/C188S is monomeric below pH 2.7, dimeric around pH 3 and tetrameric above pH 4.5	652880	
3.4.19.3	dimer	the mutant enzyme C142S/C188S is tetrameric above pH 4. The fraction of the dimeric form increases with increasing acidity below pH 4 and then the protein dissociates completely into a monomeric form at pH 2.5	651099	
3.4.19.3	monomer	1 * 23188, calculation from nucleotide sequence	653759