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. 2020 Dec 10;10(12):338. doi: 10.3390/life10120338

Figure 3.

Figure 3

Structural comparisons using similarity index (number above arrows) of (a) [Fe4S4] and greigite, (b–d) nickel-containing ligands and minerals from Nitschke et al. [8], (e) [Fe7MoS9] nitrogenase cofactor and greigite [25].