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Effect of mutant NMDA receptors on the oscillations in a model of hippocampus

A computation approach to identify the effect of missense mutations on the protein function is proposed. Using molecular dynamics simulation we have analyzed the gating kinetics of mutant NMDA synaptic receptors carrying mutations in their NR2 subunits. Analysis of channel geometry and Mg ion binding allowed to estimate the receptor conductivity. As a result, it was possible to identify the effect of these mutations on the generation of theta and gamma rhythms by the hippocampal neural network. Obtained results can be adapted for the analysis and evaluation of possible cognitive impairments caused by neurological diseases or consequences of radiation and other negative factors.