GRIN1 is a gene that encodes a subunit of the N-methyl-D-aspartate (NMDA) receptor, which is a type of glutamate receptor in the brain. NMDA receptors play a crucial role in synaptic plasticity, memory formation, and various neurophysiological processes. Specifically, GRIN1 encodes the NR1 subunit, which is essential for the formation and function of NMDA receptor complexes.
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