Summary

Name DLG4
Full Name Disks large homolog 4
Synonyms Postsynaptic density protein 95, PSD-95, Synapse-associated protein 90, SAP-90, SAP90 | PSD95
Primary ID P78352
Links - -
Type protein
Relations 55
Pathways Glutamatergic synapse
Function Postsynaptic scaffolding protein that plays a critical role in synaptogenesis and synaptic plasticity by providing a platform for the postsynaptic clustering of crucial synaptic proteins. Interacts with the cytoplasmic tail of NMDA receptor subunits and shaker-type potassium channels. Required for synaptic plasticity associated with NMDA receptor signaling. Overexpression or depletion of DLG4 changes the ratio of excitatory to inhibitory synapses in hippocampal neurons. May reduce the amplitude of ASIC3 acid-evoked currents by retaining the channel intracellularly. May regulate the intracellular trafficking of ADR1B. Also regulates AMPA-type glutamate receptor (AMPAR) immobilization at postsynaptic density keeping the channels in an activated state in the presence of glutamate and preventing synaptic depression.

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Modifications Tables

Relations

Regulator Mechanism target score
+ up-regulates activity img/direct-activation.png palmitoylation DLG4 0.377
Publications: 2 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation DLG4 0.651
Publications: 3 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation DLG4 0.267
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation DLG4 0.564
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation DLG4 0.561
Publications: 1 Organism: Homo Sapiens
Tissue: Brain
+ up-regulates activity img/direct-activation.png phosphorylation DLG4 0.439
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.2
Publications: 2 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates quantity img/direct-activation.png post transcriptional regulation DLG4 0.471
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates img/indirect-activation.png Synaptic_plasticity 0.7
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding DLG4 0.805
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding NOS1 0.734
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.933
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.2
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization GRIN2A 0.808
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.471
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png relocalization GRIN2B 0.821
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.799
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.74
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding LRFN2 0.745
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.804
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png post transcriptional regulation DLG4 0.269
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png binding DLG4 0.422
Publications: 1 Organism: Homo Sapiens
+ form complex img/form-complex.png binding Scribble_complex_DLG4-LLGL1_variant 0.476
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.313
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.368
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.747
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.752
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.704
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.372
Publications: 1 Organism: Mus Musculus
+ up-regulates quantity img/direct-activation.png binding Nax cation channel complex SCN2B-SCN3B variant 0.311
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png binding Nax cation channel complex, SCN3B-SCN4B variant 0.259
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png binding Nax cation channel complex, SCN1B-SCN4B variant 0.259
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png binding Nax cation channel complex, SCN1B-SCN2B variant 0.311
Publications: 1 Organism: Homo Sapiens
+ form complex img/form-complex.png binding Scribble_complex_DLG4-LLGL2_variant 0.471
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.757
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.752
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination DLG4 0.348
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.677
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding TANC1 0.595
Publications: 1 Organism: Rattus Norvegicus
Tissue: Brain
+ up-regulates quantity img/direct-activation.png phosphorylation DLG4 0.286
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.449
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates img/indirect-activation.png Postsynaptic density assembly 0.7
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding DLG4 0.393
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.363
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.757
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png binding DLG4 0.2
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png binding DLG4 0.595
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding LRFN1 0.772
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLGAP1 0.933
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding TANC2 0.312
Publications: 1 Organism: Rattus Norvegicus
Tissue: Brain
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.773
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse