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Yorodumi- PDB-3jxt: Crystal structure of the third PDZ domain of SAP-102 in complex w... -
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-Basic information
Entry | Database: PDB / ID: 3jxt | ||||||
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Title | Crystal structure of the third PDZ domain of SAP-102 in complex with a fluorogenic peptide-based ligand | ||||||
Components |
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Keywords | SIGNALING PROTEIN / SAP102 / DLG3 / Stargazin / 4-DMAP / 4DB / PDZ domain / solvatochromic flurophore / fluorogenic probe / Calcium channel / Calcium transport / Ion transport / Ionic channel / Transport / Voltage-gated channel | ||||||
Function / homology | Function and homology information Presynaptic depolarization and calcium channel opening / regulation of postsynaptic neurotransmitter receptor activity / LGI-ADAM interactions / establishment of planar polarity / Trafficking of AMPA receptors / Neurexins and neuroligins / eye blink reflex / positive regulation of protein localization to basolateral plasma membrane / structural constituent of postsynaptic density / receptor localization to synapse ...Presynaptic depolarization and calcium channel opening / regulation of postsynaptic neurotransmitter receptor activity / LGI-ADAM interactions / establishment of planar polarity / Trafficking of AMPA receptors / Neurexins and neuroligins / eye blink reflex / positive regulation of protein localization to basolateral plasma membrane / structural constituent of postsynaptic density / receptor localization to synapse / cerebellar mossy fiber / neurotransmitter receptor transport, postsynaptic endosome to lysosome / Activation of Ca-permeable Kainate Receptor / regulation of AMPA receptor activity / neurotransmitter receptor internalization / establishment or maintenance of epithelial cell apical/basal polarity / membrane hyperpolarization / postsynaptic neurotransmitter receptor diffusion trapping / nervous system process / Synaptic adhesion-like molecules / protein targeting to membrane / RAF/MAP kinase cascade / voltage-gated calcium channel complex / neurotransmitter receptor localization to postsynaptic specialization membrane / neuromuscular junction development / receptor clustering / transmission of nerve impulse / channel regulator activity / regulation of postsynaptic membrane neurotransmitter receptor levels / AMPA glutamate receptor complex / membrane depolarization / positive regulation of protein tyrosine kinase activity / bicellular tight junction / Unblocking of NMDA receptors, glutamate binding and activation / postsynaptic density, intracellular component / phosphatase binding / voltage-gated calcium channel activity / somatodendritic compartment / ionotropic glutamate receptor binding / hippocampal mossy fiber to CA3 synapse / positive regulation of synaptic transmission, glutamatergic / regulation of membrane potential / dendritic shaft / PDZ domain binding / postsynaptic density membrane / neuromuscular junction / Schaffer collateral - CA1 synapse / kinase binding / cell-cell adhesion / response to calcium ion / cell-cell junction / growth cone / basolateral plasma membrane / protein phosphatase binding / chemical synaptic transmission / postsynaptic density / neuron projection / protein domain specific binding / neuronal cell body / glutamatergic synapse / ubiquitin protein ligase binding / synapse / protein kinase binding / cell surface / plasma membrane / cytoplasm Similarity search - Function | ||||||
Biological species | Rattus norvegicus (Norway rat) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.5 Å | ||||||
Authors | Sainlos, M. / Olivier, N.B. / Imperiali, B. | ||||||
Citation | Journal: J.Am.Chem.Soc. / Year: 2013 Title: Caged mono- and divalent ligands for light-assisted disruption of PDZ domain-mediated interactions. Authors: Sainlos, M. / Iskenderian-Epps, W.S. / Olivier, N.B. / Choquet, D. / Imperiali, B. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3jxt.cif.gz | 60.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3jxt.ent.gz | 43.7 KB | Display | PDB format |
PDBx/mmJSON format | 3jxt.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 3jxt_validation.pdf.gz | 469.9 KB | Display | wwPDB validaton report |
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Full document | 3jxt_full_validation.pdf.gz | 476.3 KB | Display | |
Data in XML | 3jxt_validation.xml.gz | 15.2 KB | Display | |
Data in CIF | 3jxt_validation.cif.gz | 21.9 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/jx/3jxt ftp://data.pdbj.org/pub/pdb/validation_reports/jx/3jxt | HTTPS FTP |
-Related structure data
Related structure data | 3jvq S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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Details | The biological assembly is the monomeric complex composed of one PDZ domain and its ligand. |
-Components
#1: Protein | Mass: 11145.364 Da / Num. of mol.: 2 / Fragment: Third PDZ domain: UNP residues 393-493 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: Dlg3, Dlgh3 / Plasmid: pET-NO, modified pET32 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21-RIL / References: UniProt: Q62936 #2: Protein/peptide | Mass: 872.987 Da / Num. of mol.: 2 Fragment: C-terminal motif of Stargazin: UNP O88602 residues 318-323 Mutation: R318(4DB) / Source method: obtained synthetically Details: Peptide ligand obtained by solid phase peptide synthesis References: UniProt: O88602 #3: Chemical | ChemComp-ACT / | #4: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.41 Å3/Da / Density % sol: 48.87 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 8.5 Details: 1.0 M Sodium citrate, 0.1 M Tris-HCl pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: NSLS / Beamline: X6A / Wavelength: 0.97 Å |
Detector | Type: ADSC QUANTUM 270 / Detector: CCD / Date: Feb 7, 2009 / Details: Toroidal focusing mirror |
Radiation | Monochromator: Si(111) channel cut / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97 Å / Relative weight: 1 |
Reflection | Resolution: 1.5→50 Å / Num. all: 37896 / Num. obs: 37820 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 7.2 % / Biso Wilson estimate: 16.346 Å2 / Rmerge(I) obs: 0.061 / Net I/σ(I): 28.19 |
Reflection shell | Resolution: 1.5→1.55 Å / Redundancy: 7.1 % / Rmerge(I) obs: 0.24 / Mean I/σ(I) obs: 6.94 / Num. unique all: 3720 / Rsym value: 0.24 / % possible all: 100 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB entry 3JVQ 3jvq Resolution: 1.5→45.87 Å / Cor.coef. Fo:Fc: 0.96 / Cor.coef. Fo:Fc free: 0.946 / Cross valid method: THROUGHOUT / ESU R: 0.073 / ESU R Free: 0.075 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 18.124 Å2
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Refinement step | Cycle: LAST / Resolution: 1.5→45.87 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.5→1.54 Å / Total num. of bins used: 20
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