5.5.1.2	-	2972, 3661, 3663, 3666, 661079	
5.5.1.2	DEAE-Sepharcel column chromatography	661079	
5.5.1.2	His-Trap nickel affinity column chromatography	694040	
5.5.1.2	recombinant enzyme	679754	
5.5.1.2	recombinant protein	681790