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. Author manuscript; available in PMC: 2018 Sep 9.
Published in final edited form as: J Am Chem Soc. 2016 Aug 8;138(32):10124–10127. doi: 10.1021/jacs.6b06783

Figure 1.

Figure 1.

a) Structures of the Av-MoFeP P-cluster in PN and POX states (PDB IDs: 3MIN and 2MIN).20 b) Alignment of selected amino acid sequence segments (β185-190 and β95-100 in Av-MoFeP numbering) surrounding the P-cluster in Group I nitrogenases. *C. pasteurianum MoFeP, a Group II species, is also included. For a more extensive alignment, see Table S1.