title: Evidence for a pterin-derivative associated with the molybdenum cofactor of Neurospora crassa nitrate reductase.
mesh_terms: D002846:Chromatography, Affinity; D003067:Coenzymes; D008667:Metalloproteins; D008982:Molybdenum / Q000302:isolation & purification*; D000090006:Molybdenum Cofactors; D009491:Neurospora / Q000201:enzymology*; D009492:Neurospora crassa / Q000201:enzymology*; D009565:Nitrate Reductases / Q000378:metabolism*; D011621:Pteridines / Q000302:isolation & purification*
chemical_list: D003067:Coenzymes; D008667:Metalloproteins; D008982:Molybdenum; D000090006:Molybdenum Cofactors; D009565:Nitrate Reductases; D011621:Pteridines; C022261:molybdopterin