Folding, dynamics and interaction studies of the Neuropeptide Y family.

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dc.contributor.advisor Jas, Gouri Sankar. Hegefeld, Wendy A. 2011-12
dc.description.abstract Detailed molecular knowledge of the complex dynamics of biological processes such as folding and the interaction with cellular membranes may greatly advance the treatment of human disease. The Neuropeptide Y family of peptides are highly conserved peptides found in nature, consist of 36 amino acids, and are widely distributed in the central nervous system of mammals. A detailed study of thermodynamics, kinetics, membrane translocation, and receptor interaction of human neuropeptide Y (NPY) and the thermodynamics and detailed molecular modeling of human peptide YY (PYY) were investigated. These studies employed a combination of experiment and simulation to characterize the two most important members of the neuropeptide Y family. The formation of secondary structures is one of the most fundamental processes in protein folding. To obtain a detailed understanding of protein folding it is useful to study peptide models that provide well defined stable structures in solution. NPY and PYY are composed primarily of two important secondary structural elements: the α-helix and hairpin-like structure. Therefore, further analysis of the three most prevalent helical secondary structures found in nature (α-, 3₁₀-, π-helix) and the β-hairpin structure were carried out with carefully designed peptide models to characterize their individual structures and formation. These studies suggest two different mechanisms of formation for helical and β-hairpin structures. en_US
dc.publisher en
dc.rights Baylor University theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact for inquiries about permission. en_US
dc.subject Neuropeptide Y family. en_US
dc.subject Protein folding. en_US
dc.subject Helical secondary structures. en_US
dc.title Folding, dynamics and interaction studies of the Neuropeptide Y family. en_US
dc.type Thesis en_US Ph.D. en_US
dc.rights.accessrights Worldwide access. en_US
dc.rights.accessrights Access changed 5/21/14.
dc.contributor.department Biomedical Studies. en_US
dc.contributor.schools Baylor University. Institute of Biomedical Studies. en_US

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