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- PDB-1iu0: The first PDZ domain of PSD-95 -

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Basic information

Entry
Database: PDB / ID: 1iu0
TitleThe first PDZ domain of PSD-95
ComponentsPSD-95
KeywordsNEUROPEPTIDE / PSD-95 / PDZ domain / post synaptic density
Function / homology
Function and homology information


RHO GTPases activate CIT / positive regulation of AMPA glutamate receptor clustering / neuronal ion channel clustering / P2Y1 nucleotide receptor binding / beta-1 adrenergic receptor binding / Neurexins and neuroligins / neuroligin family protein binding / regulation of grooming behavior / structural constituent of postsynaptic density / synaptic vesicle maturation ...RHO GTPases activate CIT / positive regulation of AMPA glutamate receptor clustering / neuronal ion channel clustering / P2Y1 nucleotide receptor binding / beta-1 adrenergic receptor binding / Neurexins and neuroligins / neuroligin family protein binding / regulation of grooming behavior / structural constituent of postsynaptic density / synaptic vesicle maturation / positive regulation of neuron projection arborization / receptor localization to synapse / vocalization behavior / cellular response to potassium ion / cerebellar mossy fiber / neuron spine / AMPA glutamate receptor clustering / Trafficking of AMPA receptors / protein localization to synapse / dendritic branch / positive regulation of dendrite morphogenesis / Activation of Ca-permeable Kainate Receptor / LGI-ADAM interactions / proximal dendrite / dendritic spine morphogenesis / negative regulation of receptor internalization / juxtaparanode region of axon / frizzled binding / acetylcholine receptor binding / neuron projection terminus / dendritic spine organization / regulation of NMDA receptor activity / Synaptic adhesion-like molecules / RAF/MAP kinase cascade / positive regulation of synapse assembly / beta-2 adrenergic receptor binding / NMDA selective glutamate receptor signaling pathway / neurotransmitter receptor localization to postsynaptic specialization membrane / cortical cytoskeleton / locomotory exploration behavior / AMPA glutamate receptor complex / kinesin binding / neuromuscular process controlling balance / excitatory synapse / social behavior / regulation of neuronal synaptic plasticity / positive regulation of excitatory postsynaptic potential / glutamate receptor binding / Unblocking of NMDA receptors, glutamate binding and activation / positive regulation of synaptic transmission / D1 dopamine receptor binding / regulation of postsynaptic membrane neurotransmitter receptor levels / ionotropic glutamate receptor binding / dendrite cytoplasm / cell periphery / PDZ domain binding / establishment of protein localization / synaptic membrane / regulation of long-term neuronal synaptic plasticity / cell-cell adhesion / postsynaptic density membrane / cerebral cortex development / neuromuscular junction / kinase binding / cell junction / synaptic vesicle / cell-cell junction / nervous system development / positive regulation of cytosolic calcium ion concentration / protein-containing complex assembly / scaffold protein binding / protein phosphatase binding / chemical synaptic transmission / dendritic spine / postsynaptic membrane / neuron projection / postsynapse / postsynaptic density / signaling receptor binding / synapse / dendrite / protein kinase binding / protein-containing complex binding / glutamatergic synapse / endoplasmic reticulum / membrane / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Polyubiquitination (PEST) N-terminal domain of MAGUK / Disks large homologue 1, N-terminal PEST domain / Polyubiquitination (PEST) N-terminal domain of MAGUK / PDZ-associated domain of NMDA receptors / PDZ-associated domain of NMDA receptors / Disks large 1-like / : / Guanylate kinase, conserved site / Guanylate kinase-like signature. / Guanylate kinase-like domain profile. ...Polyubiquitination (PEST) N-terminal domain of MAGUK / Disks large homologue 1, N-terminal PEST domain / Polyubiquitination (PEST) N-terminal domain of MAGUK / PDZ-associated domain of NMDA receptors / PDZ-associated domain of NMDA receptors / Disks large 1-like / : / Guanylate kinase, conserved site / Guanylate kinase-like signature. / Guanylate kinase-like domain profile. / Guanylate kinase-like domain / Guanylate kinase/L-type calcium channel beta subunit / Guanylate kinase / Guanylate kinase homologues. / PDZ domain / Pdz3 Domain / PDZ domain / SH3 domain / PDZ domain profile. / Domain present in PSD-95, Dlg, and ZO-1/2. / PDZ domain / PDZ superfamily / Src homology 3 domains / SH3-like domain superfamily / Src homology 3 (SH3) domain profile. / SH3 domain / Roll / P-loop containing nucleoside triphosphate hydrolase / Mainly Beta
Similarity search - Domain/homology
Disks large homolog 4
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
MethodSOLUTION NMR / simulated annealing
Model type detailsminimized average
AuthorsLong, J.-F. / Tochio, H. / Wang, P. / Sala, C. / Niethammer, M. / Sheng, M. / Zhang, M.
CitationJournal: J Mol Biol / Year: 2003
Title: Supramodular structure and synergistic target binding of the N-terminal tandem PDZ domains of PSD-95.
Authors: Jia-Fu Long / Hidehito Tochio / Ping Wang / Jing-Song Fan / Carlo Sala / Martin Niethammer / Morgan Sheng / Mingjie Zhang /
Abstract: PDZ domain proteins play critical roles in binding, clustering and subcellular targeting of membrane receptors and ion channels. PDZ domains in multi-PDZ proteins often are arranged in groups with ...PDZ domain proteins play critical roles in binding, clustering and subcellular targeting of membrane receptors and ion channels. PDZ domains in multi-PDZ proteins often are arranged in groups with highly conserved spacing and intervening sequences; however, the functional significance of such tandem arrangements of PDZs is unclear. We have solved the three-dimensional structure of the first two PDZ domains of postsynaptic density protein-95 (PSD-95 PDZ1 and PDZ2), which are closely linked to each other in the PSD-95 family of scaffold proteins. The two PDZs have limited freedom of rotation and their C-terminal peptide-binding grooves are aligned with each other with an orientation preference for binding to pairs of C termini extending in the same direction. Increasing the spacing between PDZ1 and PDZ2 resulted in decreased binding between PDZ12 and its dimeric targets. The same mutation impaired the functional ability of PSD-95 to cluster Kv1.4 potassium channels in heterologous cells. The data presented provide a molecular basis for preferential binding of PSD-95 to multimeric membrane proteins with appropriate C-terminal sequences.
History
DepositionFeb 18, 2002Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 11, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 23, 2022Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_assembly / pdbx_struct_oper_list
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.4Dec 27, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: PSD-95


Theoretical massNumber of molelcules
Total (without water)9,8391
Polymers9,8391
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
NMR ensembles
DataCriteria
Number of conformers (submitted / calculated)1 / 200energy minimized averaged accepted structure
RepresentativeModel #1minimized average structure

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Components

#1: Protein PSD-95 / Presynaptic density protein 95


Mass: 9839.042 Da / Num. of mol.: 1 / Fragment: PDZ1 domain
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Production host: Escherichia coli (E. coli) / References: UniProt: P31016

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Experimental details

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Experiment

ExperimentMethod: SOLUTION NMR
NMR experiment
Conditions-IDExperiment-IDSolution-IDType
1112D NOESY
1213D 13C-separated NOESY
1323D 15N-separated NOESY

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Sample preparation

Details
Solution-IDContentsSolvent system
120mM KPi10% D2O, 90% H2O
220mM KPi100% D2O
Sample conditionsIonic strength: 100mM KCl / pH: 6.8 / Pressure: 1 atm / Temperature: 303 K
Crystal grow
*PLUS
Method: other / Details: NMR

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NMR measurement

RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M
Radiation wavelengthRelative weight: 1
NMR spectrometer
TypeManufacturerModelField strength (MHz)Spectrometer-ID
Varian INOVAVarianINOVA5001
Varian INOVAVarianINOVA7502

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Processing

NMR software
NameVersionDeveloperClassification
CNS1.1Brungerstructure solution
NMRPipe1.8Delagrioprocessing
CNS1.1Brungerrefinement
RefinementMethod: simulated annealing / Software ordinal: 1
NMR representativeSelection criteria: minimized average structure
NMR ensembleConformer selection criteria: energy minimized averaged accepted structure
Conformers calculated total number: 200 / Conformers submitted total number: 1

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