title: The modification of tyrosyl residues in L-asparaginases and ribonuclease a with Fremy's salt. Implication of tyrosyl residues in the activity of L-asparaginases from E. coli B and Erwinia carotovora.
mesh_terms: D001215:Asparaginase / Q000378:metabolism*; D001665:Binding Sites; D004885:Erwinia / Q000201:enzymology; D004926:Escherichia coli / Q000201:enzymology; D007202:Indicators and Reagents; D009603:Nitroso Compounds; D011487:Protein Conformation; D012260:Ribonucleases / Q000378:metabolism*; D013050:Spectrometry, Fluorescence; D013057:Spectrum Analysis; D013447:Sulfites; D014364:Tryptophan; D014443:Tyrosine
chemical_list: D007202:Indicators and Reagents; D009603:Nitroso Compounds; D013447:Sulfites; C001259:Fremy's salt; D014443:Tyrosine; D014364:Tryptophan; D012260:Ribonucleases; D001215:Asparaginase