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 49
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 0.379
Publications: 2 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation DLG4 0.653
Publications: 3 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation DLG4 0.562
Publications: 1 Organism: Homo Sapiens
Tissue: Brain
+ up-regulates img/direct-activation.png phosphorylation DLG4 0.565
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png phosphorylation DLG4 0.44
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.774
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ form complex img/form-complex.png binding Scribble_complex_DLG4-LLGL2_variant 0.471
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png post transcriptional regulation DLG4 0.473
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png relocalization GRIN2A 0.809
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.753
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.373
Publications: 1 Organism: Mus Musculus
+ 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 0.704
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization GRIN2B 0.822
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 NOS1 0.735
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 binding LRFN1 0.773
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 binding DLG4 0.679
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.472
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ 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 DLG4 0.596
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 0.45
Publications: 1 Organism: Homo Sapiens
Pathways:Glutamatergic synapse
+ up-regulates activity img/direct-activation.png binding LRFN2 0.747
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 0.349
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.8
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 0.269
Publications: 1 Organism: Mus Musculus
Tissue: Brain
+ up-regulates activity img/direct-activation.png binding DLG4 0.424
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 0.37
Publications: 1 Organism: Homo Sapiens
+ 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 binding DLG4 0.365
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.754
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png relocalization DLG4 0.758
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.806
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 0.747
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding DLG4 0.757
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 DLG4 0.393
Publications: 1 Organism: Homo Sapiens