4.1.1.20	-	4109, 4110, 4115, 705411	
4.1.1.20	Ni-NTA column chromatography	714346	
4.1.1.20	Ni-NTA resin column chromatography	693099	
4.1.1.20	recombinant	663552	
4.1.1.20	recombinant DAPDC	652392, 653897	
4.1.1.20	recombinant enzyme from Escherichia coli strain BL21(DE3) by anion exchange and hydrophobic interaction chromatography, and gel filtration	747204	
4.1.1.20	recombinant His-tagged enzyme from Escherichia coli strain BL21(DE3)	748217	
4.1.1.20	recombinant His-tagged wild-type and mutant enzymes from Escherichia coli strain BL21(DE3)	748217	
4.1.1.20	recombinant His6-tagged enzyme from Escherichia coli strain BL21(DE3) by nickel affinity chromatography, dialysis, and gel filtration	747204	
4.1.1.20	recombinant His6-tagged wild-type and mutant enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chromatography and gel filtration	747000