Disks large homolog 4


NameDisks large homolog 4
Synonyms
  • Postsynaptic density protein 95
  • PSD-95
  • PSD95
  • SAP-90
  • SAP90
  • Synapse-associated protein 90
Gene NameDLG4
OrganismHuman
Amino acid sequence
>lcl|BSEQ0009445|Disks large homolog 4
MDCLCIVTTKKYRYQDEDTPPLEHSPAHLPNQANSPPVIVNTDTLEAPGYELQVNGTEGE
MEYEEITLERGNSGLGFSIAGGTDNPHIGDDPSIFITKIIPGGAAAQDGRLRVNDSILFV
NEVDVREVTHSAAVEALKEAGSIVRLYVMRRKPPAEKVMEIKLIKGPKGLGFSIAGGVGN
QHIPGDNSIYVTKIIEGGAAHKDGRLQIGDKILAVNSVGLEDVMHEDAVAALKNTYDVVY
LKVAKPSNAYLSDSYAPPDITTSYSQHLDNEISHSSYLGTDYPTAMTPTSPRRYSPVAKD
LLGEEDIPREPRRIVIHRGSTGLGFNIVGGEDGEGIFISFILAGGPADLSGELRKGDQIL
SVNGVDLRNASHEQAAIALKNAGQTVTIIAQYKPEEYSRFEAKIHDLREQLMNSSLGSGT
ASLRSNPKRGFYIRALFDYDKTKDCGFLSQALSFRFGDVLHVIDASDEEWWQARRVHSDS
ETDDIGFIPSKRRVERREWSRLKAKDWGSSSGSQGREDSVLSYETVTQMEVHYARPIIIL
GPTKDRANDDLLSEFPDKFGSCVPHTTRPKREYEIDGRDYHFVSSREKMEKDIQAHKFIE
AGQYNSHLYGTSVQSVREVAEQGKHCILDVSANAVRRLQAAHLHPIAIFIRPRSLENVLE
INKRITEEQARKAFDRATKLEQEFTECFSAIVEGDSFEEIYHKVKRVIEDLSGPYIWVPA
RERL
Number of residues724
Molecular Weight80494.615
Theoretical pINone
GO Classification
Functions
  • beta-1 adrenergic receptor binding
  • D1 dopamine receptor binding
  • protein phosphatase binding
  • ionotropic glutamate receptor binding
  • guanylate kinase activity
  • neuroligin family protein binding
  • PDZ domain binding
  • P2Y1 nucleotide receptor binding
  • scaffold protein binding
  • protein C-terminus binding
  • acetylcholine receptor binding
  • protein complex binding
  • kinase binding
Processes
  • synaptic vesicle maturation
  • small GTPase mediated signal transduction
  • innate immune response
  • nervous system development
  • vocalization behavior
  • synaptic transmission
  • positive regulation of cytosolic calcium ion concentration
  • negative regulation of receptor internalization
  • establishment of protein localization
  • positive regulation of excitatory postsynaptic potential
  • Fc-epsilon receptor signaling pathway
  • activation of MAPKK activity
  • GMP metabolic process
  • learning
  • fibroblast growth factor receptor signaling pathway
  • regulation of long-term neuronal synaptic plasticity
  • AMPA glutamate receptor clustering
  • protein complex assembly
  • insulin receptor signaling pathway
  • dendritic spine morphogenesis
  • social behavior
  • positive regulation of synaptic transmission
  • MAPK cascade
  • GDP metabolic process
  • signal transduction
  • neurotrophin TRK receptor signaling pathway
  • protein localization to synapse
  • locomotory exploration behavior
  • Ras protein signal transduction
  • receptor localization to synapse
  • neuromuscular process controlling balance
  • regulation of N-methyl-D-aspartate selective glutamate receptor activity
  • axon guidance
  • vascular endothelial growth factor receptor signaling pathway
  • regulation of grooming behavior
  • epidermal growth factor receptor signaling pathway
Components
  • synapse
  • dendritic spine
  • cortical cytoskeleton
  • postsynaptic density
  • synaptic vesicle
  • AMPA glutamate receptor complex
  • cell junction
  • neuron spine
  • neuronal postsynaptic density
  • excitatory synapse
  • cerebellar mossy fiber
  • cytoplasm
  • cytosol
  • juxtaparanode region of axon
  • endocytic vesicle membrane
  • dendrite cytoplasm
  • extrinsic component of cytoplasmic side of plasma membrane
  • postsynaptic membrane
  • neuron projection terminus
  • endoplasmic reticulum
  • plasma membrane
General FunctionScaffold protein binding
Specific FunctionInteracts 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 (By similarity).
Transmembrane Regions
GenBank Protein ID
UniProtKB IDP78352
UniProtKB Entry NameDLG4_HUMAN
Cellular LocationCell 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
GenBank Gene ID
GeneCard IDNone
GenAtlas ID
HGNC IDHGNC:2903
Chromosome Location17
LocusNone
References
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  2. 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.[10582582 ]
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  5. 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.[7477295 ]
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