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Co-oligopeptides containing two aromatic residues spaced by glycyl residues. X. Proton magnetic resonance study of co-oligopeptides of tryptophan and glycine

✍ Scribed by Peter Skrabal; Vincenzo Rizzo; Antonio Baici; Felix Bangerter; Pier Luigi Luisi

Publisher
Wiley (John Wiley & Sons)
Year
1979
Tongue
English
Weight
741 KB
Volume
18
Category
Article
ISSN
0006-3525

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📜 SIMILAR VOLUMES

Co-oligopeptides of aromatic amino acids
Co-oligopeptides of aromatic amino acids and glycine with a variable distance between the aromatic residues. VI. Circular dichroism studies of co-oligopeptides of L-phenylalanine, L-tryptophan, and glycine
✍ Vincenzo Rizzo; Pier Luigi Luisi; Barbara Straub; Rocco Guarnaccia 📂 Article 📅 1977 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 694 KB

## Abstract The circular dichroic properties of H‐Gly‐Phe‐(Gly)~__n__~‐Trp‐Gly‐OH (II, __n__ = 0,1,2) and of related simpler peptides, such as H‐Phe‐Gly‐OH, H‐Gly‐Phe‐OH, H‐Gly‐Phe‐Gly‐OH, H‐Phe‐Trp‐OH, H‐Phe‐Trp‐Gly‐OH, and H‐Gly‐Phe‐Trp‐OH in water and trifluoroethanol solutions are investigated.

Co-oligopeptides of aromatic amino acids
Co-oligopeptides of aromatic amino acids and glycine with a variable distance between the aromatic residues. V. pH-Dependent conformational changes in peptides containing two adjacent tryptophyl residues as evidenced by circular dichroism studies
✍ Vincenzo Rizzo; Pier Luigi Luisi 📂 Article 📅 1977 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 602 KB

## Abstract The influence of pH upon CD spectra of H‐Trp‐Trp‐OH, H‐Trp‐Trp‐Gly‐OH, and H‐Gly‐Trp‐Trp‐OH is investigated and data are compared with those obtained for peptides containing only one tryptophyl residue. A negative Cotton effect at around 225 nm, which in previous work has been related t