Analysis of information sources in references of the Wikipedia article "NMDA receptor" in English language version.
Since two molecules of glutamate and glycine each are thought to be required for channel activation (3, 6), this implies that the NMDA receptor should be composed of at least four subunits.
Since two molecules of glutamate and glycine each are thought to be required for channel activation (3, 6), this implies that the NMDA receptor should be composed of at least four subunits.