The identification of a glutamic acid residue as part of the active site of ribonuclease T-1.

Amino Acids/analysis Aspergillus/enzymology Binding Sites Bromine Carbon Isotopes Depression, Chemical Glutamates/analysis Glycolates/analysis Hydrogen-Ion Concentration Iodine Models, Chemical Peptides/analysis Protein Binding Ribonucleases/analysis

Amino Acids Carbon Isotopes Glutamates Glycolates Peptides Iodine Ribonucleases Bromine