title: Fixing on an enigma.
authors.forename: H N
authors.initials: HN
authors.lastname: Arst
mesh_terms: D001233:Aspergillus nidulans / Q000235:genetics / Q000378:metabolism; D005798:Genes, Bacterial; D005800:Genes, Fungal; D007711:Klebsiella pneumoniae / Q000235:genetics / Q000378:metabolism; D009586:Nitrogen Fixation / Q000235:genetics*; D010100:Oxygen / Q000378:metabolism
chemical_list: D010100:Oxygen