4.3.1.3	additional information	-	the activity optimum of histidase near pH 7 suggests that histidase is active predominantly in the lower, less acidic portion of the stratum corneum	693378	
4.3.1.3	7.4	8.2	-	666649	
4.3.1.3	8.2	-	-	34287	
4.3.1.3	8.5	-	-	34288	
4.3.1.3	8.5	9.1	maximal activity between	34279	
4.3.1.3	8.8	9	-	34284, 34287	
4.3.1.3	9	-	-	34278, 34287	
4.3.1.3	9.2	-	-	34293	
4.3.1.3	9.3	-	activity assay	679156