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Keywords from Image Description:
PDB afh EBI. Alpha and beta proteins or Ploop containing nucleoside triphosphate hydrolases Ploop containing nucleoside triphosphate hydrolases Nitrogenase iron proteinlike Nitrogenase iron protein Alpha and beta proteins or Chelataselike Helical backbone metal receptor Nitrogenase ironmolybdenum protein Nitrogenase ironmolybdenum