. Author manuscript; available in PMC: 2010 Jul 8.

Published in final edited form as: J Am Chem Soc. 2009 Jul 8;131(26):9321–9325. doi: 10.1021/ja9035225

Table 1.

Reconstitution of FeMoco-deficient MoFe protein by various FeMoco sources.

	Activities (nmol/mg protein/min)
FeMoco Source	C₂H₂ formation under C₂H₂/Ar	H₂ formation under Ar	NH₃ formation under N₂	H₂ formation under N₂
NifEN^Precursor	0	0	0	0
Isolated FeMoco	917 ± 105	1269 ± 154	305 ± 75	292 ± 20
NifEN^{“FeMoco”(20mM)}	1065 ± 88	1100 ± 19	334 ± 40	323 ± 23
NifEN^{“FeMoco”[Ti(III) citrate]}	680 ± 28	890 ± 35	272 ± 32	225 ± 9
NifEN^{“FeMoco”(Fld_1)}	538 ± 20	520 ± 21	210 ± 17	120 ± 5