3.4.22.55	-	664286, 665588, 666419, 753185	
3.4.22.55	anti-FLAG affinity gel chromatography, and gel filtration	732733	
3.4.22.55	immobilized metal ion affinity chromatography (Ni2+)	713152	
3.4.22.55	recombinant enzyme	647424	
3.4.22.55	recombinant procaspase-2 from Escherichia coli strain BL21(DE3) by nickel affinity and ion exchange chromatography to over 95%	701085	
3.4.22.55	recombinant protein from Escherichia coli	664882