1. Structural studies of reagents for peptide bond formation: Crystal and molecular structures of HBTU and HATU

   • Iman Abdelmoty
   • Fernando Albericio
   • Steven A. Kates

   OriginalPaper Pages: 57 - 67

2. Pharmacophore elements of the TIPP class of delta opioid receptor antagonists

   • Henry I. Mosberg
   • John R. Omnaas
   • Andrei Lomize

   OriginalPaper Pages: 69 - 72

3. Side reactions in the synthesis of phosphotyrosine-containing peptides

   • Kalaiyarasi Ramalingam
   • Scott R. Eaton
   • Annette M. Doherty

   OriginalPaper Pages: 73 - 79

4. Synthesis and physicochemical characterization of the lanthionine analog of somatostatin[1–14]

   • George Ösapay
   • Giuseppe Melacini
   • Murray Goodman

   OriginalPaper Pages: 81 - 87

5. Kinetics of enzyme-catalyzed oligopeptide cleavage monitored by capillary zone electrophoresis: Comparison to spectrophotometric and HPLC methods

   • W. Todd Lowther
   • Ben M. Dunn

   OriginalPaper Pages: 89 - 94

6. Amino acid sequence of a novel heat-stable enterotoxin produced by a yst gene-negative strain of Yersinia enterocolitica

   • Ken-ichi Yoshino
   • Huang Xiaozhe
   • Yasutsugu Shimonishi

   OriginalPaper Pages: 95 - 105