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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: Mol Microbiol. 2018 Mar 30;108(4):379–396. doi: 10.1111/mmi.13942

Fig. 2. The HP1492 (Nfu) protein sequence shares homology with the C-terminus domain of NifU.

Fig. 2

The central domain of Nfu (HP1492, 89 amino acids) shares 34% identity and 55% similarity with the C-terminus part of NifU (HP0221, 321 amino acids), including a conserved CXXC motif (grey box) shown to be important for [2Fe-2S] as well as [4Fe-4S] coordination.