4.2.3.9	6.3	7.5	-	
4.2.3.9	7.5	-	assay at	
4.2.3.9	7.5	-	activity assay	
4.2.3.9	7.5	-	preparative scale incubation, 48 h	
4.2.3.9	7.6	-	assay at	
4.2.3.9	8	-	recombinant enzyme, HEPES buffer