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 51
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 0.381
Publications: 2 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation DLG4 0.658
Publications: 3 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation DLG4 0.269
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation DLG4 0.565
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation DLG4 0.562
Publications: 1 Organism: Homo Sapiens
Tissue: Brain
+ up-regulates activity img/direct-activation.png phosphorylation DLG4 0.442
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 binding DLG4 0.742
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization GRIN2B 0.825
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding NOS1 0.738
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.932
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding LRFN1 0.777
Publications: 1 Organism: Homo Sapiens
+ 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 0.813
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.685
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.473
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png binding DLG4 0.45
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding LRFN2 0.752
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.803
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination DLG4 0.35
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 0.27
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png binding DLG4 0.425
Publications: 1 Organism: Homo Sapiens
+ form complex img/form-complex.png binding Scribble_complex_DLG4-LLGL1_variant 0.479
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 0.371
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.756
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.705
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLGAP1 0.932
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ 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 TANC2 0.312
Publications: 1 Organism: Rattus Norvegicus
Tissue: Brain
+ up-regulates activity img/direct-activation.png binding DLG4 0.803
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png phosphorylation DLG4 0.285
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.366
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.75
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 binding DLG4 0.759
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.778
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates quantity img/direct-activation.png post transcriptional regulation DLG4 0.474
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ form complex img/form-complex.png binding Scribble_complex_DLG4-LLGL2_variant 0.474
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.373
Publications: 1 Organism: Mus Musculus
+ up-regulates activity img/direct-activation.png binding TANC1 0.596
Publications: 1 Organism: Rattus Norvegicus
Tissue: Brain
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.762
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 binding DLG4 0.809
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 0.391
Publications: 1 Organism: Homo Sapiens