Disks large homolog 4
Details
- Name
- Disks large homolog 4
- Kind
- protein
- Synonyms
- Postsynaptic density protein 95
- PSD-95
- PSD95
- SAP-90
- SAP90
- Synapse-associated protein 90
- Gene Name
- DLG4
- UniProtKB Entry
- P78352Swiss-Prot
- Organism
- Humans
- NCBI Taxonomy ID
- 9606
- Amino acid sequence
>lcl|BSEQ0009445|Disks large homolog 4 MDCLCIVTTKKYRYQDEDTPPLEHSPAHLPNQANSPPVIVNTDTLEAPGYELQVNGTEGE MEYEEITLERGNSGLGFSIAGGTDNPHIGDDPSIFITKIIPGGAAAQDGRLRVNDSILFV NEVDVREVTHSAAVEALKEAGSIVRLYVMRRKPPAEKVMEIKLIKGPKGLGFSIAGGVGN QHIPGDNSIYVTKIIEGGAAHKDGRLQIGDKILAVNSVGLEDVMHEDAVAALKNTYDVVY LKVAKPSNAYLSDSYAPPDITTSYSQHLDNEISHSSYLGTDYPTAMTPTSPRRYSPVAKD LLGEEDIPREPRRIVIHRGSTGLGFNIVGGEDGEGIFISFILAGGPADLSGELRKGDQIL SVNGVDLRNASHEQAAIALKNAGQTVTIIAQYKPEEYSRFEAKIHDLREQLMNSSLGSGT ASLRSNPKRGFYIRALFDYDKTKDCGFLSQALSFRFGDVLHVIDASDEEWWQARRVHSDS ETDDIGFIPSKRRVERREWSRLKAKDWGSSSGSQGREDSVLSYETVTQMEVHYARPIIIL GPTKDRANDDLLSEFPDKFGSCVPHTTRPKREYEIDGRDYHFVSSREKMEKDIQAHKFIE AGQYNSHLYGTSVQSVREVAEQGKHCILDVSANAVRRLQAAHLHPIAIFIRPRSLENVLE INKRITEEQARKAFDRATKLEQEFTECFSAIVEGDSFEEIYHKVKRVIEDLSGPYIWVPA RERL
- Number of residues
- 724
- Molecular Weight
- 80494.615
- Theoretical pI
- Not Available
- GO Classification
- Functionsprotein kinase binding / protein-containing complex bindingProcessescell-cell adhesion / cellular response to potassium ion / chemical synaptic transmission / establishment or maintenance of epithelial cell apical/basal polarity / neurotransmitter receptor localization to postsynaptic specialization membrane / positive regulation of neuron projection arborization / positive regulation of protein tyrosine kinase activity / postsynaptic neurotransmitter receptor diffusion trapping / protein-containing complex assembly / regulation of NMDA receptor activityComponentsadherens junction / basolateral plasma membrane / glutamatergic synapse / neuromuscular junction / neuron projection / postsynaptic density membrane / synaptic membrane
- General 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 (By similarity). Under basal conditions, cooperates with FYN to stabilize palmitoyltransferase ZDHHC5 at the synaptic membrane through FYN-mediated phosphorylation of ZDHHC5 and its subsequent inhibition of association with endocytic proteins (PubMed:26334723)
- Specific Function
- acetylcholine receptor binding
- Pfam Domain Function
- Signal Regions
- Not Available
- Transmembrane Regions
- Not Available
- Cellular Location
- Cell membrane
- Gene sequence
>lcl|BSEQ0013164|Disks large homolog 4 (DLG4) ATGGACTGTCTCTGTATAGTGACAACCAAGAAATACCGCTACCAAGATGAAGACACGCCC CCTCTGGAGCACAGCCCGGCCCACCTCCCCAACCAGGCCAATTCTCCCCCAGTGATTGTC AACACAGATACCCTAGAAGCCCCAGGATATGTGAACGGGACCGAGGGGGAGATGGAATAC GAGGAAATCACATTGGAAAGGGGTAACTCAGGTCTGGGCTTCAGCATCGCAGGTGGCACT GACAACCCACACATCGGTGACGACCCATCCATTTTCATCACCAAGATCATTCCTGGTGGG GCTGCGGCCCAGGATGGCCGCCTCAGGGTCAACGACAGCATCCTGTTTGTAAATGAAGTG GACGTGCGCGAGGTGACCCACTCAGCGGCGGTGGAAGCCCTCAAAGAGGCAGGCTCCATC GTTCGCCTCTATGTCATGCGCCGGAAGCCCCCGGCTGAGAAGGTCATGGAGATCAAGCTC ATCAAGGGGCCTAAAGGTCTTGGCTTCAGCATCGCAGGGGGCGTAGGGAACCAGCACATC CCAGGAGATAATAGCATCTATGTAACAAAGATCATCGAAGGGGGTGCTGCCCACAAGGAT GGGAGGTTGCAGATTGGAGACAAGATCCTGGCGGTCAACAGTGTGGGGCTAGAGGACGTC ATGCATGAAGATGCTGTGGCAGCCCTGAAGAACACGTATGATGTTGTCTACCTAAAGGTG GCCAAGCCCAGCAATGCCTACCTGAGTGACAGCTATGCTCCCCCAGACATCACAACCTCT TATTCCCAGCACCTGGACAATGAGATCAGTCACAGCAGCTACCTGGGCACCGACTACCCC ACAGCCATGACCCCCACTTCCCCTCGGCGCTACTCTCCAGTGGCCAAGGACCTGCTCGGG GAGGAAGACATTCCCCGAGAACCGAGGCGAATTGTGATCCACCGGGGCTCCACGGGCCTG GGCTTCAACATCGTGGGTGGCGAGGACGGTGAAGGCATCTTCATCTCCTTTATCCTGGCC GGGGGCCCTGCAGACCTCAGTGGGGAGCTGCGGAAGGGGGACCAGATCCTGTCGGTCAAC GGTGTGGACCTCCGAAATGCCAGCCATGAGCAGGCTGCCATTGCCCTGAAGAATGCGGGT CAGACGGTCACGATCATCGCTCAGTATAAACCAGAAGAGTACAGCCGATTCGAGGCCAAG ATCCACGACCTTCGGGAACAGCTCATGAACAGCAGCCTGGGCTCAGGGACTGCGTCCCTG CGGAGCAACCCCAAAAGGGGTTTCTACATCAGGGCCCTGTTTGATTACGACAAGACCAAG GACTGCGGCTTCCTGAGCCAGGCCCTGAGCTTCCGCTTTGGGGATGTGCTGCATGTCATC GATGCTAGTGATGAGGAGTGGTGGCAGGCACGGCGGGTCCACTCTGACAGTGAGACCGAC GACATTGGGTTCATCCCCAGCAAACGGCGGGTTGAGCGACGAGAGTGGTCAAGGTTAAAG GCCAAGGACTGGGGCTCCAGCTCTGGATCGCAGGGTCGAGAAGACTCGGTTCTGAGCTAC GAGACAGTGACGCAGATGGAAGTGCACTATGCTCGCCCCATCATCATCCTTGGGCCCACC AAGGACCGCGCCAACGATGATCTTCTCTCCGAGTTCCCCGACAAGTTTGGATCCTGTGTT CCCCATACGACACGGCCCAAGCGGGAGTATGAGATAGATGGCCGGGATTACCACTTTGTG TCGTCCCGGGAGAAAATGGAGAAGGACATTCAGGCGCACAAGTTCATTGAGGCCGGCCAG TACAACAGCCACCTCTATGGGACCAGCGTCCAGTCCGTGCGAGAGGTGGCAGAGCAGGGG AAGCACTGCATCCTCGATGTCTCGGCCAATGCCGTGCGGCGGCTGCAGGCGGCCCACCTG CACCCCATCGCCATCTTCATCCGCCCCCGCTCCCTGGAGAATGTGCTAGAGATTAACAAG CGGATCACAGAGGAGCAAGCCCGCAAAGCCTTCGACAGAGCCACCAAGCTGGAGCAGGAG TTCACAGAGTGCTTCTCAGCCATCGTGGAGGGTGACAGCTTTGAGGAGATCTACCACAAG GTGAAGCGTGTCATCGAGGACCTCTCAGGCCCCTACATCTGGGTTCCAGCCCGAGAGAGA CTCTGA
- Chromosome Location
- 17
- Locus
- 17p13.1
- External Identifiers
Resource Link UniProtKB ID P78352 UniProtKB Entry Name DLG4_HUMAN GeneCard ID DLG4 HGNC ID HGNC:2903 PDB ID(s) 1KEF, 2MES, 3I4W, 3K82, 3ZRT, 5J7J, 5JXB, 6QJD, 6QJF, 6QJG, 6QJI, 6QJJ, 6QJK, 6QJL, 6QJN, 6SPV, 6SPZ, 8AH4, 8AH5, 8AH6, 8AH7, 8AH8 KEGG ID hsa:1742 NCBI Gene ID 1742 - General References
- Stathakis DG, Hoover KB, You Z, Bryant PJ: Human postsynaptic density-95 (PSD95): location of the gene (DLG4) and possible function in nonneural as well as in neural tissues. Genomics. 1997 Aug 15;44(1):71-82. [Article]
- Stathakis DG, Udar N, Sandgren O, Andreasson S, Bryant PJ, Small K, Forsman-Semb K: Genomic organization of human DLG4, the gene encoding postsynaptic density 95. J Neurochem. 1999 Dec;73(6):2250-65. [Article]
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- Kim E, Niethammer M, Rothschild A, Jan YN, Sheng M: Clustering of Shaker-type K+ channels by interaction with a family of membrane-associated guanylate kinases. Nature. 1995 Nov 2;378(6552):85-8. [Article]
- Irie M, Hata Y, Takeuchi M, Ichtchenko K, Toyoda A, Hirao K, Takai Y, Rosahl TW, Sudhof TC: Binding of neuroligins to PSD-95. Science. 1997 Sep 5;277(5331):1511-5. [Article]
- Hanada T, Lin L, Tibaldi EV, Reinherz EL, Chishti AH: GAKIN, a novel kinesin-like protein associates with the human homologue of the Drosophila discs large tumor suppressor in T lymphocytes. J Biol Chem. 2000 Sep 15;275(37):28774-84. [Article]
- Garcia RA, Vasudevan K, Buonanno A: The neuregulin receptor ErbB-4 interacts with PDZ-containing proteins at neuronal synapses. Proc Natl Acad Sci U S A. 2000 Mar 28;97(7):3596-601. [Article]
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- Ko J, Kim S, Chung HS, Kim K, Han K, Kim H, Jun H, Kaang BK, Kim E: SALM synaptic cell adhesion-like molecules regulate the differentiation of excitatory synapses. Neuron. 2006 Apr 20;50(2):233-45. [Article]
- Lee HW, Choi J, Shin H, Kim K, Yang J, Na M, Choi SY, Kang GB, Eom SH, Kim H, Kim E: Preso, a novel PSD-95-interacting FERM and PDZ domain protein that regulates dendritic spine morphogenesis. J Neurosci. 2008 Dec 31;28(53):14546-56. doi: 10.1523/JNEUROSCI.3112-08.2008. [Article]
- Fujita-Jimbo E, Tanabe Y, Yu Z, Kojima K, Mori M, Li H, Iwamoto S, Yamagata T, Momoi MY, Momoi T: The association of GPR85 with PSD-95-neuroligin complex and autism spectrum disorder: a molecular analysis. Mol Autism. 2015 Mar 13;6:17. doi: 10.1186/s13229-015-0012-5. eCollection 2015. [Article]
- Piserchio A, Pellegrini M, Mehta S, Blackman SM, Garcia EP, Marshall J, Mierke DF: The PDZ1 domain of SAP90. Characterization of structure and binding. J Biol Chem. 2002 Mar 1;277(9):6967-73. Epub 2001 Dec 14. [Article]
Associated Data
- Drug Relations
Drug Drug group Pharmacological action? Type Actions Details Guanosine-5'-Monophosphate experimental yes target inhibitor Details Guanidine approved unknown target Details