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. 2012 Aug 22;32(34):11716–11726. doi: 10.1523/JNEUROSCI.1942-12.2012

Figure 11.

Figure 11.

Model for BRAG1-mediated synaptic trafficking of GluA1-containing AMPA-Rs. BRAG1 is anchored at PSDs via its interaction with PSD-95, which also interacts with NMDA receptors. Calcium influx triggered by NMDAR activation causes CaM release from BRAG1, which causes a conformational change leading to enhanced catalytic activity. BRAG1 activates Arf6 which, through downstream activation of JNK, triggers internalization of GluA1-containing AMPA receptors.