chapter 1 The Site-Specific Chemical Modification of Proteins -- chapter 2 The Modification of Amino Groups -- chapter 3 The Modification of Histidine Residues -- chapter 4 The Modification of Arginine -- chapter 5 The Modification of Carboxyl Groups -- chapter 6 The Modification of Cysteine -- chapter 7 The Modification of Cystine -- chapter 8 The Modification of Methionine -- chapter 9 The Modification of Tyrosine -- chapter 10 The Chemical Modification of Tryptophan -- chapter 11 The Chemical Cleavage of Peptide Bonds -- chapter 12 The Chemical Cross-Linking of Peptide Chains.