title: Nitrogen fixation (NIF) regulatory mutants of Klebsiella: determination of the energy cost of N2 fixation in vivo.
mesh_terms: D000114:Acetylene / Q000378:metabolism; D000255:Adenosine Triphosphate / Q000378:metabolism*; D004735:Energy Transfer; D005809:Genes, Regulator; D007711:Klebsiella pneumoniae / Q000235:genetics*; D009154:Mutation; D009586:Nitrogen Fixation; D009591:Nitrogenase / Q000378:metabolism
chemical_list: D000255:Adenosine Triphosphate; D009591:Nitrogenase; D000114:Acetylene