. 2022 Nov 25;27(23):8218. doi: 10.3390/molecules27238218

Table 1.

Mossbauer parameters for selected [2Fe-2S]²⁺ and [2Fe-2S]⁺ proteins.

System	Cluster Type	Formal Valences	Fe Ligands	S_tot	δ (mm/s)	\|ΔEQ\| (mm/s)	Refs.
FdI A . *aeolicus*	[2Fe-2S]²⁺	2 Fe³⁺	4 Cys	0	0.27	0.60	[70]
putidaredoxin P. putida	[2Fe-2S]²⁺	2 Fe³⁺	4 Cys	0	0.27	0.60	[69]
yeast Grx3	[2Fe-2S]²⁺	2 Fe³⁺	4 Cys	0	0.29	0.55–0.76	[73]
human ISCA1	[2Fe-2S]²⁺	2 Fe³⁺	4 Cys	0	0.28	0.50	[74]
human ISCA2	[2Fe-2S]²⁺	2 Fe³⁺	4 Cys	0	0.27	0.53	[74]
anamorsin (site 1)	[2Fe-2S]²⁺	2 Fe³⁺	4 Cys	0	0.26	0.57	[55]
anamorsin (site 2)	[2Fe-2S]²⁺	2 Fe³⁺	4 Cys	0	0.28	0.39	[55]
Rieske thermus thermophilus	[2Fe-2S]²⁺	Fe³⁺ Fe³⁺	2 Cys 2 His	0	0.24 0.32	0.32 0.91	[66]
mitoNEET	[2Fe-2S]²⁺	Fe³⁺ Fe³⁺	2 Cys 1 Cys 1 His	0	0.26 0.30	0.47 0.96	[18,41]
*E. coli* IscU	[2Fe-2S]²⁺	Fe³⁺ Fe³⁺	2 Cys 1 Cys 1 His	0	0.27 0.32	0.66 0.94	[68]
*E. coli* IscR	[2Fe-2S]²⁺	Fe³⁺ Fe³⁺	2 Cys 1 Cys 1 His	0	0.27 0.30	0.48 0.72	[67]
yeast Fra2-Grx3	[2Fe-2S]²⁺	Fe³⁺ Fe³⁺	2 Cys 1 Cys 1 His	0	0.30 0.32	0.50 0.82	[73]
FdI A. aeolicus	[2Fe-2S]¹⁺	Fe³⁺ Fe²⁺	2 Cys 2 Cys	1/2	0.30 0.62	1.0 3.0	[70]
putidaredoxin P. putida	[2Fe-2S]¹⁺	Fe³⁺ Fe²⁺	2 Cys 2 Cys	1/2	0.35 0.60	0.65 2.70	[69]
anamorsin (site 1)	[2Fe-2S]¹⁺	2 Fe^2.5+	4 Cys	1/2	0.26	0.57	[55]
anamorsin (site 2)	[2Fe-2S]¹⁺	2 Fe^2.5+	4 Cys	1/2	0.28	0.39	[55]
Rieske thermus thermophilus	[2Fe-2S]¹⁺	Fe³⁺ Fe²⁺	2 Cys 2 His	1/2	0.31 0.74	0.63 3.05	[66]
*E. coli* IscR	[2Fe-2S]¹⁺	Fe³⁺ Fe²⁺	2 Cys 1 Cys 1 His	1/2	0.33 0.70	1.09 3.4	[67]
mitoNEET	[2Fe-2S]¹⁺	Fe³⁺ Fe²⁺	2 Cys 1 Cys, 1 His	1/2	0.32 0.68	1.07 3.15	[41]