Further characterization of the molecular interaction between PSD-95 and NMDA receptors: the effect of the NR1 splice variant and evidence for modulation of channel gating.

Abstract excerpt

Coexpression of PSD-95(c-Myc) with NR1-1a/NR2A NMDA receptors in human embryonic kidney (HEK) 293 cells resulted in a decrease in efficacy for the glycine stimulation of [3 H]MK801 binding similar to that previously described for l-glutamate. The inhibition constants (K (I) s) for the binding of l-glutamate and glycine to NR1-1a/NR2A determined by [3 H]CGP 39653 and [3 H]MDL 105 519 displacement assays,...

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