1.13.11.24	DTT	Co QueD: 110% activity remains after 15 min incubation with 1 mM reagent	
1.13.11.24	EDTA	Co QueD: 110% activity remains after 15 min incubation with 1 mM reagent	
1.13.11.24	NaN3	Co QueD: 110% activity remains after 15 min incubation with 1 mM reagent, Mn QueD = 100% activity remains after 15 min incubation with 1 mM reagent	
1.13.11.24	Sodium ascorbate	Co QueD: 110% activity remains after 15 min incubation with 1 mM reagent	
1.13.11.24	Tiron	0.8 mM, 25% activation