Tryptophan Research Paper.
Three Types of Induced Tryptophan Op Tryptophan Research Paper Types of Induced Tryptophan Optical Activity Compared in Model Dipeptides: Theory and Experiment Abstract The tryptophan Trp aromatic residue in chiral matrices often exhibits a large optical activity and thus provides valuable structural information. However, it can also obscure spectral contributions from other peptide parts.
The results provide valuable insight into the molecular conformational and spectroscopic behavior of Trp. The ROA signal is the most complex. The spectra and computations also indicate that the peptide ring is nonplanar, with a shallow potential so that the nonplanarity is primarily induced by the side chains.
Combination of chiral spectroscopies with theoretical analysis thus significantly enhances the information that can be obtained from the induced chirality of the Trp aromatic residue. Peptides revealed: The tryptophan residue is a sensitive probe in protein structural studies, but its own optical activity can interfere with that of the protein. The chirality is Tryptophan Research Paper in the electronic circular dichroism, vibrational circular dichroism, and Raman optical activity of model dipeptides.
The experimental results are related to DFT computations, revealing unique information about the conformational behavior of the peptides see picture.]
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