title: Reversible inactivation and dissociation of glutamine synthetase of Neurospora crassa by urea.
mesh_terms: D000255:Adenosine Triphosphate / Q000494:pharmacology; D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D004789:Enzyme Activation / Q000187:drug effects; D005971:Glutamates / Q000378:metabolism; D006639:Histidine / Q000494:pharmacology; D006877:Hydroxamic Acids / Q000096:biosynthesis; D006898:Hydroxylamines / Q000378:metabolism; D008025:Ligases / Q000302:isolation & purification / Q000378:metabolism*; D008274:Magnesium / Q000494:pharmacology; D008970:Molecular Weight; D009491:Neurospora / Q000187:drug effects / Q000201:enzymology* / Q000378:metabolism; D000644:Quaternary Ammonium Compounds; D013395:Sucrose; D013431:Sulfates; D013696:Temperature; D014508:Urea / Q000494:pharmacology*; D062367:ortho-Aminobenzoates / Q000494:pharmacology
chemical_list: D005971:Glutamates; D006877:Hydroxamic Acids; D006898:Hydroxylamines; D000644:Quaternary Ammonium Compounds; D013431:Sulfates; D062367:ortho-Aminobenzoates; D006639:Histidine; D013395:Sucrose; D000255:Adenosine Triphosphate; D014508:Urea; D008025:Ligases; D008274:Magnesium