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Structural and Spectroscopic Elucidation of Tetrapetide Glycyl-L-Prolyl-Glycyl-Glycine and Its Hydrogensquarate

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The IR-spectroscopic and structural elucidation of tetrapeptide glycyl-L-prolyl-glycyl-glycine and its hydrogensquarate was performed by employing linear-polarized IR-spectroscopy of oriented colloid suspensions in nematic host as well as mass spectrometry. Quantum-chemical ab initio calculations were carried out in order to evaluate both the electronic structure and optical properties of the compound studied.

Keywords: ab initio calculations; glycyl-L-prolyl-glycyl-glycine; hydrogensquarate; mass spectrometry; solid-state IR-LD spectroscopy

Document Type: Research Article


Publication date: July 1, 2008

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.

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