3.1.31.1	22	-	assay at	
3.1.31.1	25	-	assay at	
3.1.31.1	30	-	assay at	
3.1.31.1	37	-	assay at	
3.1.31.1	50	-	recombinant enzyme	
3.1.31.1	55	-	-