DLG2

This gene encodes a member of the membrane-associated guanylate kinase (MAGUK) family. The encoded protein forms a heterodimer with a related family member that may interact at postsynaptic sites to form a multimeric scaffold for the clustering of receptors, ion channels, and associated signaling proteins. Multiple transcript variants encoding different isoforms have been found for this gene. Additional transcript variants have been described, but their full-length nature is not known. [provided by RefSeq, Dec 2008]

Discs Large MAGUK Scaffold Protein 2

Required for perception of chronic pain through NMDA receptor signaling. Regulates surface expression of NMDA receptors in dorsal horn neurons of the spinal cord. Interacts with the cytoplasmic tail of NMDA receptor subunits as well as inward rectifying potassium channels. Involved in regulation of synaptic stability at cholinergic synapses. Part of the postsynaptic protein scaffold of excitatory synapses (By similarity).

Anterograde axonal protein transport Source: ARUK-UCL
Cell-cell adhesion Source: GO_Central
Cellular response to potassium ion Source: ARUK-UCL
Chemical synaptic transmission Source: GO_Central
Establishment or maintenance of epithelial cell apical/basal polarity Source: GO_Central
Receptor clustering Source: GO_Central
Receptor localization to synapse Source: GO_Central
Retrograde axonal protein transport Source: ARUK-UCL

Cell membrane; Postsynaptic density; Synapse; Membrane; Axon; Perikaryon. Concentrated in soma and postsynaptic density of a subset of neurons.

Palmitoylation of isoform 1 is not required for targeting to postsynaptic density.