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Structural And Functional Effect Of Phosphorylation On Ampa Receptors, Caitlin E. Nurik
Structural And Functional Effect Of Phosphorylation On Ampa Receptors, Caitlin E. Nurik
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Structural and Functional Effect of Phosphorylation on AMPA Receptors
Cailtin Edmunds show you, BA
Advisory Professor: Vasanthi Jayaraman, Ph. D.
The α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor is the primary contributor to neuronal fast excitatory transmission, and plays a key role in learning and memory. Previous studies have established that residues S818, S831, and T840 in the C-terminal segment of GluA1 homomeric AMPA receptor are phosphorylated by PKC, and phosphorylation at these sites leads to an increase in receptor conductance. We show that the domain inclusive of those sites alters its secondary structure due to phosphorylation (using glutamate substitution as a mimic) …