7.6.2.8	20	-	BtuF binding assay at	
7.6.2.8	22	-	assay at	
7.6.2.8	22	-	assay at room temperature	
7.6.2.8	23	-	assay at	
7.6.2.8	30	-	assay at	
7.6.2.8	37	-	assay at