3.7.1.4	-	208760, 208761, 289291, 289292, 752294	
3.7.1.4	300fold from intestine brushh border membrane	656061	
3.7.1.4	Ni-NTA column chromatography and Superdex S200 gel filtration	750528	
3.7.1.4	recombinant enzyme 13.2fold from Escherichia coli strain DH5alpha(pPH3) by ammonium sulfate fractionation, anion exchange and hydrophobic interaction chromatography, followed by gel filtration	654284	
3.7.1.4	recombinant enzyme from Escherichia coli, about 13.2fold	654284	
3.7.1.4	recombinant mature enzyme and pro-enzyme from COS-1 cells	656110	
3.7.1.4	recombinant wild-type and mutant enzymes from Escherichia coli strain Bl21(DE3)	735304