1.13.11.18	-	439595	
1.13.11.18	30% ethanol, DEAE-cellulose	439598	
1.13.11.18	recombinant enzyme from Escherichia coli	726227	
1.13.11.18	recombinant protein	658665	
1.13.11.18	recombinant wild-type and mutant enzymes from Escherichia coli strain BL21 by nickel affinity chromatography and dialysis	742906