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. 2021 Feb 26;87(6):e01629-20. doi: 10.1128/AEM.01629-20

FIG 3.

FIG 3

The catalytic center formed by the Rieske-type [2Fe-2S] cluster and the nonheme iron center. (A) The trimer organization of NagG. Each NagG consists of a Rieske-type [2Fe-2S] cluster and a nonheme iron center. (B) The Rieske-type [2Fe-2S] cluster in one NagG molecule (cyan) and the nonheme iron center in an adjacent molecule (yellow) together form a full catalytic center. The nonheme iron and sulfur atoms are shown as orange and yellow spheres, respectively. The residues that coordinate [2Fe-2S] and nonheme iron are shown as sticks.