2.7.11.20	81499	-	x * 81499, calculation from nucleotide sequence	491665	
2.7.11.20	82000	-	x * 82000, light scattering analysis, calculated from sequence	723698	
2.7.11.20	90000	-	extracted from gastric epithelial cells, determined by SDS-PAGE and Western blot analysis	703273	
2.7.11.20	95000	-	x * 95000, SDS-PAGE	723698	
2.7.11.20	100000	-	recombinant protein, determined by SDS-PAGE	703273	
2.7.11.20	160000	-	gel filtration	723698