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 0.391
Publications: 2 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation DLG4 0.659
Publications: 3 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation DLG4 0.273
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation DLG4 0.574
Publications: 1 Organism: Homo Sapiens
Tissue: Brain
+ up-regulates img/direct-activation.png phosphorylation DLG4 0.578
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation DLG4 0.454
Publications: 1 Organism: Homo Sapiens
+ 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 relocalization DLG4 0.76
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination DLG4 0.358
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.755
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization GRIN2B 0.826
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.46
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding DLG4 0.2
Publications: 2 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding DLG4 0.374
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.687
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding TANC1 0.61
Publications: 1 Organism: Rattus Norvegicus
Tissue: Brain
+ up-regulates activity img/direct-activation.png relocalization DLGAP1 0.93
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates quantity img/direct-activation.png binding DLG4 0.2
Publications: 1 Organism: Mus Musculus
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 LRFN1 0.777
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization GRIN2A 0.812
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.755
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png binding Nax cation channel complex SCN2B-SCN3B variant 0.314
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png binding Nax cation channel complex, SCN1B-SCN4B variant 0.26
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png binding Nax cation channel complex, SCN1B-SCN2B variant 0.314
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.609
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ form complex img/form-complex.png binding Scribble_complex_DLG4-LLGL2_variant 0.464
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.802
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.755
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.738
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding LRFN2 0.752
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png post transcriptional regulation DLG4 0.274
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png binding DLG4 0.437
Publications: 1 Organism: Homo Sapiens
+ form complex img/form-complex.png binding Scribble_complex_DLG4-LLGL1_variant 0.47
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.317
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.809
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.698
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.746
Publications: 1 Organism: Homo Sapiens
+ 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 relocalization DLG4 0.777
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding DLG4 0.38
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png binding DLG4 0.396
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.379
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.483
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png binding DLG4 0.795
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding NOS1 0.735
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding TANC2 0.315
Publications: 1 Organism: Rattus Norvegicus
Tissue: Brain
+ up-regulates quantity img/direct-activation.png binding Nax cation channel complex, SCN3B-SCN4B variant 0.26
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png post transcriptional regulation DLG4 0.487
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png binding DLG4 0.93
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.2
Publications: 1 Organism: Homo Sapiens