4.1.1.22	4.5	-	-	4148, 728063	
4.1.1.22	4.5	7	-	651607	
4.1.1.22	4.8	-	-	4139, 4166	
4.1.1.22	4.8	-	assay at	679896	
4.1.1.22	4.8	-	HDC is essentially inactive at neutral and alkaline pH and active at low pH, low pH shifts HDC from the inactive, i.e. T-state, to the active, i.e. R-state	653849	
4.1.1.22	4.8	-	wild-type and mutant enzyme	4146	
4.1.1.22	6	-	-	677685, 727564	
4.1.1.22	6.2	-	-	4163	
4.1.1.22	6.2	-	assay at	682308	
4.1.1.22	6.5	-	-	4150, 4154, 4159, 677685, 749155