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Full-Text Articles in Biochemistry
Structure And Bioactivity Of A Rationally Designed Nicotinic Acetylcholine Receptor Antagonist Targeting The Alpha-3 Beta-2 Subtype, Leanna Marquart
Structure And Bioactivity Of A Rationally Designed Nicotinic Acetylcholine Receptor Antagonist Targeting The Alpha-3 Beta-2 Subtype, Leanna Marquart
Boise State University Theses and Dissertations
The work presented in this thesis contributes to ongoing development of an efficient workflow for identification of lead compounds, based on the molecular scaffold of α-conotoxin MII, for drug therapies targeting nicotinic acetylcholine receptors. Nicotinic acetylcholine receptors (nAChRs) are pentameric, ligand-gated ion channels with distribution throughout the central nervous system and are implicated in a variety of neurological diseases including schizophrenia, nicotine addiction, Alzheimer’s disease, and Parkinson’s disease. However, ligand effect on nAChR function is not well understood. Consequently, drug therapies for neurological diseases either do not exist, or have short-lasting efficacy and/or severe side effects. Barriers to the comprehension …
Structural Studies On Calcium/Calmodulin-Dependent Activation Of Eukaryotic Elongation Factor 2 Kinase, Kwangwoon Lee
Structural Studies On Calcium/Calmodulin-Dependent Activation Of Eukaryotic Elongation Factor 2 Kinase, Kwangwoon Lee
Dissertations, Theses, and Capstone Projects
Eukaryotic elongation factor 2 kinase (eEF-2K) is a key modulator of the rate of protein synthesis. Activated by calcium-loaded calmodulin (Ca2+-CaM), eEF-2K phosphorylates its only known physiological substrate, eEF-2, on a specific threonine residue (Thr-56). Phosphorylated eEF-2 has reduced affinity for the ribosome, and results in a significant decrease in the rate of translation elongation. Modulation of the rate of translation elongation plays a crucial role in proteostasis – adequate regulation of protein synthesis, protein folding, and protein degradation that greatly influences cellular growth and survival. Binding of Ca2+-CaM triggers activation of eEF-2K and remains intact …
Automatic 13C Chemical Shift Reference Correction Of Protein Nmr Spectral Data Using Data Mining And Bayesian Statistical Modeling, Xi Chen
Theses and Dissertations--Molecular and Cellular Biochemistry
Nuclear magnetic resonance (NMR) is a highly versatile analytical technique for studying molecular configuration, conformation, and dynamics, especially of biomacromolecules such as proteins. However, due to the intrinsic properties of NMR experiments, results from the NMR instruments require a refencing step before the down-the-line analysis. Poor chemical shift referencing, especially for 13C in protein Nuclear Magnetic Resonance (NMR) experiments, fundamentally limits and even prevents effective study of biomacromolecules via NMR. There is no available method that can rereference carbon chemical shifts from protein NMR without secondary experimental information such as structure or resonance assignment.
To solve this problem, we …