DLG4 Antibody

Code CSB-PA007805
Size US$100
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  • Western Blot analysis of 293T cells using PSD-95 Polyclonal Antibody
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Product Details

Uniprot No.
Target Names
Alternative Names
Discs large homolog 4 antibody; Disks large homolog 4 antibody; DLG 4 antibody; Dlg4 antibody; DLG4_HUMAN antibody; FLJ97752 antibody; FLJ98574 antibody; Human post synaptic density protein 95 antibody; Post synaptic density protein 95 antibody; Postsynaptic density protein 95 antibody; PSD 95 antibody; PSD-95 antibody; PSD95 antibody; SAP 90 antibody; SAP-90 antibody; SAP90 antibody; Synapse associated protein 90 antibody; Synapse-associated protein 90 antibody; Tax interaction protein 15 antibody
Raised in
Species Reactivity
Synthesized peptide derived from Human PSD-95 around the non-phosphorylation site of S295.
Immunogen Species
Homo sapiens (Human)
Purification Method
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
It differs from different batches. Please contact us to confirm it.
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Tested Applications
Recommended Dilution
Application Recommended Dilution
WB 1:500-1:2000
ELISA 1:10000
Troubleshooting and FAQs
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Background

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.
Gene References into Functions
  1. DNA methylation of DLG4 and of human hippocampus and prefrontal cortex in major depression is unchanged in comparison to healthy individuals. PMID: 28645745
  2. results suggest that rare missense mutations in the candidate PSD genes may increase susceptibility to SZ and/or ASD. These findings may strengthen the theory that rare, non-synonymous variants confer substantial genetic risks for these disorders PMID: 27271353
  3. in postsynaptic densities, PSD95 palmitoylation, conformation, and its interactions are dynamic when associated with AMPARs and more stable when associated with NMDARs PMID: 27956638
  4. a dual role for PSD-95 in stabilizing synaptic NMDARs by binding directly to GluN2B but also by promoting synaptic exclusion and degradation of the negative regulator STEP61. PMID: 27457929
  5. the authors integrate molecular and imaging data from animal models and preterm infants, and find that microglial expression of DLG4 plays a role. PMID: 28874660
  6. Phosphorylation at Y397 induced a significant increase in affinity for stargazing. The strategy presented here to generate site-specifically phosphorylated PDZ domains provides a detailed understanding of the role of phosphorylation in the regulation of PSD95 interactions. PMID: 28692247
  7. This study demonstrated that a significant decrease in the protein level of PSD-95 in major depression disorder. PMID: 27661418
  8. These results indicate that PKC promotes synaptogenesis by activating PSD-95 phosphorylation directly through JNK1 and calcium/calmodulin-dependent kinase II and also by inducing expression of PSD-95 and synaptophysin. PMID: 27330081
  9. The differences in cortical NMDAR expression and post-synaptic density protein 95 are present in psychiatric disorders and suicide completion and may contribute to different responses to ketamine. PMID: 26013316
  10. Mutation C>T at the rs13331 in the PSD95 gene is strikingly associated with an increased risk of autism spectrum disorders. PMID: 27072977
  11. Data demonstrate a role for SNAP-25 in controlling PSD-95 clustering and open the possibility that genetic reductions of the protein levels may contribute to the pathology through an effect on postsynaptic function and plasticity. PMID: 25678324
  12. Data indicate the very high affinities of the trimeric ligands to postsynaptic density protein 95 (PSD-95) PDZ domains. PMID: 25658767
  13. In this review, we focus on palmitoylation of PSD-95, which is a major postsynaptic scaffolding protein and makes discrete postsynaptic nanodomains in a palmitoylation-dependent manner and discuss a determinant role of local palmitoylation cycles PMID: 25849917
  14. An association was found between reduced PSD95 in the prefrontal cortex and cognitive impairment in patients with either dementia with Lewy bodies or Parkinson's disease dementia. PMID: 25104558
  15. Docosahexaenoic acid-containing phosphatidylcholines and PSD-95 decrease after loss of synaptophysin and before neuronal loss in patients with Alzheimer's disease. PMID: 25410733
  16. The postsynaptic membrane protein PSD95 was increased in schizophrenia in CA3 tissue, but not in CA1 tissue. PMID: 25585032
  17. The crystal structures of the Dlg4 GK domain in complex with two phosphor-Lgl2 peptides reveal the molecular mechanism underlying the specific and phosphorylation-dependent Dlg/Lgl complex formation. PMID: 24513855
  18. PSD-95 mRNA G-rich region folds into alternate G quadruplex conformations that coexist in equilibrium and miR-125a forms a stable complex with PSD-95 mRNA. PMID: 25406362
  19. Polymorphisms of DRD1, DLG4 and HOMER1 are associated with opiate abuse. PMID: 23044706
  20. The PDZ1 domain of PSD-95 has a shallow binding pocket that accommodates a peptide ligand involving far fewer interactions and a micromolar affinity PMID: 23394112
  21. No association was found between the seven single nucleotide polymorphisms in DLG4 and schizophrenia. PMID: 23921260
  22. A putative role for DLG4 in schizophrenia pathogenesis, evidenced by haplotype association, has been described. PMID: 23936182
  23. interactions of G protein-coupled receptors with postsynaptic density protein 95 PMID: 23691031
  24. Fyn mediates postsynaptic density protein- 95Y523 phosphorylation, which may be responsible for the excitotoxic signal cascades and neuronal apoptosis in brain ischemia and amyloid-beta peptide neurotoxicity. PMID: 22709448
  25. Calcyon forms a novel ternary complex with dopamine D1 receptor through PSD-95 protein and plays a role in dopamine receptor internalization PMID: 22843680
  26. a role of PAR-1 in spine morphogenesis in hippocampal neurons through phosphorylating PSD-95. PMID: 22807451
  27. study adds new components to the multi-dentate membrane targeting mechanism and highlights the role of N- and C-terminal PDZ extensions of PSD-95/ZO-1 in the regulation of syntenin-1 plasma membrane localization PMID: 22673509
  28. Phosphorylation of a PDZ domain extension modulates binding affinity and interdomain interactions in postsynaptic density-95 (PSD-95) protein, a membrane-associated guanylate kinase (MAGUK). PMID: 21965656
  29. tetrad complex shows the close association of the Kir2.1 cytoplasmic domains and the influence of PSD-95 mediated self-assembly on the clustering of these channels PMID: 21756874
  30. In developing visual cortex TrkB and protein kinase M zeta, two critical regulators of synaptic plasticity, facilitate PSD-95 targeting to synapses PMID: 21849550
  31. Genetic and functional analysis of the DLG4 gene encoding the post-synaptic density protein 95 in schizophrenia PMID: 21151988
  32. Our current findings, suggesting decreased levels of PSD95, NR2A, and LRP-1, with elevated levels of caspase-3 and Bcl2 proteins, may reflect or contribute to neuronal and synaptic loss in the amnestic mild cognitive impairment hippocampus PMID: 19774677
  33. PSD-95 has a role in regulating the functional activity and intracellular trafficking of 5-HT2A receptors and possibly other GPCRs PMID: 12682061
  34. A single nucleotide polymorphism was identified as not significantly associated with schizophrenia. PMID: 12950712
  35. PSD-95 and Lin-7b interact with acid-sensing ion channel-3 and have opposite effects on H+- gated current PMID: 15317815
  36. ApoEr2 can form a multiprotein complex with NMDA receptor subunits and PSD95 PMID: 16332682
  37. it is unlikely that the PSD-95 polymorphisms investigated play a substantial role in conferring susceptibility to schizophrenia in the Chinese population PMID: 17093888
  38. GABARAP and DLG4 genes are involved in the etiology of nicotine dependence in European-American smokers. PMID: 17164261
  39. thermodynamic parameters associated with the binding of several series of linear peptides to the third PDZ domain of PSD-9 have been measured using isothermal titration calorimetry PMID: 17474715
  40. The results clearly indicate that D1R-modulated NR1a/NR2B receptor function depends on PSD-95 and is subjected to the regulation of PKA and PKC. PMID: 17506933
  41. PSD-95, the Kv1.3 potassium channel, and insulin receptor serine kinase co-localize to regulate membrane excitability and synaptic transmission at critical locations in the olfactory bulb. PMID: 17854350
  42. PSD-95 levels increased postnatally to reach a stable plateau by early childhood with a slight reduction in late adolescence and early adulthood PMID: 17916412
  43. These results suggest that NR2A and NR2B may associate with PSD-95 but with different affinities. This may be important in the determination of the lateral mobility of NMDA receptor subtypes in post-synaptic membranes. PMID: 18308477
  44. Increase in postsynaptic density protein PSD-95 expression positively correlates with beta amyloid and phosphorylated Tau proteins in Alzheimer's disease cases. PMID: 18424056
  45. This study found that the PSD-95 protein level significationalty elevated in pateint with deression. PMID: 18570704
  46. The DLG4 protein enhances the resensitization of the D1 DA receptor by accelerating D1 receptor recycling to the cell membrane. PMID: 19274064
  47. These data suggest that NMDA receptor complex formation, localization, and downstream signaling may be abnormal in schizophrenia as PSD95, SynGAP and MUPP1 expression is altered. PMID: 19483657
  48. An altered association between membrane-associated guanylate kinases (such as PSD-95) and NMDA receptors in mutant huntingtin-expressing cells contributes to increased susceptibility to excitotoxicity. PMID: 19726651
  49. validated occurrence of an unusual TG 3' splice site in intron 5 PMID: 17672918

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Subcellular Location
Cell membrane; Lipid-anchor; Cytoplasmic side. Cell junction, synapse, postsynaptic density. Cell junction, synapse. Cytoplasm. Cell projection, axon. Cell projection, dendritic spine. Cell projection, dendrite. Cell junction, synapse, presynapse.
Protein Families
MAGUK family
Tissue Specificity
Database Links

HGNC: 2903

OMIM: 602887

KEGG: hsa:1742

STRING: 9606.ENSP00000293813

UniGene: Hs.463928

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