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Structural basis for the conformational protection of nitrogenase from O<sub>2</sub>
Nature, Published online: 08 January 2025; doi:10.1038/s41586-024-08311-1Cryo-electron microscopy of Azotobacter vinelandii FeSIInitrogenase reveals a core complex of molybdenumiron proteins (MoFePs), iron proteins (FePs) and FeSII, in which FeSII mediates interactions with MoFeP and FeP to position their FeS clusters in catalytically inactive but O2-protected states.
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