Table 2.

Equilibrium binding constants (K_d) for Fe-S targeted AMP analogues.

Compound	R2	Kd (μM)a	Fold changeb
AMP	H	5.4b	(1)
8a		9	1.6
8b		37	6.8
8c		28	5.1
8d		45	8.3
8e		11	2.0
8f		4	0.7
8g		28	5.1
8h		39	7.2

^aIn this table values of K_i were determined under single turnover conditions from the dependence of the observed rate constant at a given inhibitor concentration under conditions of sub saturating APS, such that K_i is equal to the K_d.

^bPreviously reported [31].