Table 1.

g-tensor frames of reduced [2Fe–2S]⁺ (S = 1/2) cluster.

Enzyme	gav	z-axis (Fe-Fe)	y-axis (S-S)	x-axis (normal)	Ref.
Ferredoxin	1.965 (g1 > g2 > g3)	2.051	1.887	1.958	68
	1.966 (g1 > g2 > g3)	2.052	1.887	1.961	68
Ferredoxin	1.965	1.957	1.887	2.052	69
Rieske	191 (g1 > g2 > g3)	1.80/1.90	1.90/1.80	2.02	70
Rieske	1.88 (g1 > g2 > g3)	2.01	1.91	1.78	71
Rieske	1.901	1.79	2.024	1.89	72–73
MitoNEET	1.947 (g1 > g2 > g3)	2.007	1.897	1.937	74
BioB PIa	1.927 (g1 > g2 > g3)	1.993	1.847	1.941	this work

^aPI = paramagnetic intermediate.