SASDGH5

The PDZ1-2 domain of postsynaptic density protein 95 (PSD-95) + glutathione (GSH)

Data type: SASBDB experimental data Status: Published Curve type: Single concentration Last updated: 2019-12-06T13:07:15.624532+01:00

Scattering data are fitted using the ATSAS OLIGOMER program using a suite of models. The ATSAS program FFMAKER was used to generate form factors for each model in the suite. Each model is assigned a volume fraction to fit the observed scattering profile. 3 monomer models are included, the first is a compact conformation of PDZ1-2 similar to PDB entries 6spv/6spz; the other two are domain models obtained from a representative run of the ATSAS EOM program with data projected to infinite dilution. Multimeric models are drawn from a "clustering Spacegroup", unit cell 14.8nm symmetry I2(1)3, and consist of identical copies of an extended conformation of PDZ1-2 (similar to PDB entry 3zrt) assembled by symmetry operations. In the order of deposition: Model number; Stoichiometry; MW (kDa); source; Volume fraction. 1; 1; 21; Crystal Structure; 0.436. 2; 1; 21; EOM; 0.160. 3; 1; 21; EOM; 0.341. 4; 2; 42; clustering Spacegroup; 0.000. 5; 4; 84; clustering Spacegroup; 0.029. 6; 8; 168; clustering Spacegroup; 0.034. 7; 12, 252; clustering Spacegroup; 0.000.

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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · The PDZ1-2 domain of postsynaptic density protein 95 (PSD-95) + glutathione (GSH)

Concentration— – 7.5 Buffer / pH20 mM TRIS/HCl, 150 mM NaCl + 10 mM GSH / 8.5
Experimental temperature— Facility / beamlineDiamond Light Source / B21
Wavelength0.1 nmExposure— s × 17

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
PDZ1-2 fragment of PSD-95/Disks large homolog 4
View sequence
GPGTEGEMEYEEITLERGNSGLGFSIAGGTDNPHIGDDPSIFITKIIPGGAAAQDGRLRVNDSILFVNEVDVREVTHSAAVEALKEAGSIVRLYVMRRKPPAEKVMEIKLIKGPKGLGFSIAGGVGNQHIPGDNSIYVTKIIEGGAAHKDGRLQIGDKILAVNSVGLEDVMHEDAVAALKNTYDVVYLKVAKPSNA
proteinHomo sapiensP7835255–249monomerMolecule count 120.8 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
11357[3]0.02710395–0.3998292 1/AHas uncertainty columnMissing 00sasbdb/entries/h5/sasdgh5/source/SASDGH5.dat
▼

2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)6.33—Å
i0Guinier0.13550.00021arbitrary
i0P(r)0.1164—arbitrary
mwExperimental20.8—kDa
mwPorod18.0—kDa
porod_volumePorod29.0—ų
rgGuinier2.7370.046Å
rgP(r)2.31—Å

These values are reported by SASBDB; SAXSdb did not recalculate them from the experimental curve.

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3. Source Fits and Models Source Fits & Models

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4. Source File Index Source Files

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5. Experiment Description and Publication Experiment & Publication

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6. Complete Source Record Complete Source Record

The following content comes directly from the SASBDB entry. Missing values are shown as “—”; SAXSdb does not infer undeclared units.

Open the original SASBDB entry

Buffer and Sample Properties

Buffer name20 mM TRIS/HCl, 150 mM NaCl + 10 mM GSHBuffer concentration—
pH8.5Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2016-09-16Storage / measurement temperature— / —
Exposure time—Frames17
Wavelength0.1Sample-to-detector distance3.9
SourceX-ray synchrotronDetectorPilatus 2M
Facility / beamlineDiamond Light Source / B21 · Didcot, UK
q range0.271 – 3.998Sample volume / flow rate— / —

Original SASBDB Plots

Experimental I(q)
Experimental I(q)
Experimental I(q), log-log
Experimental I(q), log-log
Guinier plot
Guinier plot
Kratky plot
Kratky plot
P(r) plot
P(r) plot

Downloadable Files

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All source fields (unfiltered)

Every source field is expanded here, including empty values, list members and fields already shown above.

summary.json:234 field values
Field pathRaw value
codeSASDGH5
statusPublished
type_of_curveSingle concentration
angular_unit1/A
project.titleThe dual PDZ domain from Postsynaptic density protein 95 forms a scaffold with peptide ligand
project.publication.titleThe dual PDZ domain from Postsynaptic density protein 95 forms a scaffold with peptide ligand
project.publication.author_listRodzli N, Lockhart-Cairns M, Levy C, Chipperfield J, Bird L, Baldock C, Prince S
project.publication.journalBiophysical Journal
project.publication.doi10.1016/j.bpj.2020.06.018
project.publication.pmidnull
project.publication.published_date2020 Jun
project.statusreleased
project.submitted_date2019-09-16
project.released_date2019-09-20
pddf_datahttps://www.sasbdb.org/media/p_of_R_files/SASDGH5.out
intensities_datahttps://www.sasbdb.org/media/intensities_files/SASDGH5.dat
intensities_log_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDGH5_dat_img.png
intensities_kratky_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDGH5_kratky_img.png
pddf_plothttps://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDGH5_pofr_img.png
intensities_guinier_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDGH5_guinier_img.png
sascif_datahttps://www.sasbdb.org/media/sascif/sascif_files/SASDGH5.sascif
experiment.instrument.detector.typenull
experiment.instrument.detector.namePilatus 2M
experiment.instrument.detector.resolutionnull
experiment.instrument.nameDiamond Light Source
experiment.instrument.cityDidcot
experiment.instrument.countryUK
experiment.instrument.beamline_nameB21
experiment.instrument.beam_geometry1 x 5 mm
experiment.instrument.type_of_sourceX-ray synchrotron
experiment.instrument.point_sourcenull
experiment.instrument.line_collimationnull
experiment.instrument.sample_path_lengthnull
experiment.instrument.line_collimation_slitlengthnull
experiment.instrument.line_collimation_integrationwidthnull
experiment.instrument.xray_energynull
experiment.instrument.beam_profile_ahnull
experiment.instrument.beam_profile_alnull
experiment.sample.molecule[0].long_namePDZ1-2 fragment of PSD-95/Disks large homolog 4
experiment.sample.molecule[0].short_namePDZ1-2
experiment.sample.molecule[0].sequenceGPGTEGEMEYEEITLERGNSGLGFSIAGGTDNPHIGDDPSIFITKIIPGGAAAQDGRLRV NDSILFVNEVDVREVTHSAAVEALKEAGSIVRLYVMRRKPPAEKVMEIKLIKGPKGLGFS IAGGVGNQHIPGDNSIYVTKIIEGGAAHKDGRLQIGDKILAVNSVGLEDVMHEDAVAALK NTYDVVYLKVAKPSNA
experiment.sample.molecule[0].organismHomo sapiens
experiment.sample.molecule[0].uniprot_codeP78352
experiment.sample.molecule[0].uniprot_range_first55
experiment.sample.molecule[0].uniprot_range_last249
experiment.sample.molecule[0].oligomerizationmonomer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequenceMDCLCIVTTKKYRYQDEDTPPLEHSPAHLPNQANSPPVIVNTDTLEAPGYELQVNGTEGE MEYEEITLERGNSGLGFSIAGGTDNPHIGDDPSIFITKIIPGGAAAQDGRLRVNDSILFV NEVDVREVTHSAAVEALKEAGSIVRLYVMRRKPPAEKVMEIKLIKGPKGLGFSIAGGVGN QHIPGDNSIYVTKIIEGGAAHKDGRLQIGDKILAVNSVGLEDVMHEDAVAALKNTYDVVY LKVAKPSNAYLSDSYAPPDITTSYSQHLDNEISHSSYLGTDYPTAMTPTSPRRYSPVAKD LLGEEDIPREPRRIVIHRGSTGLGFNIVGGEDGEGIFISFILAGGPADLSGELRKGDQIL SVNGVDLRNASHEQAAIALKNAGQTVTIIAQYKPEEYSRFEAKIHDLREQLMNSSLGSGT ASLRSNPKRGFYIRALFDYDKTKDCGFLSQALSFRFGDVLHVIDASDEEWWQARRVHSDS ETDDIGFIPSKRRVERREWSRLKAKDWGSSSGSQGREDSVLSYETVTQMEVHYARPIIIL GPTKDRANDDLLSEFPDKFGSCVPHTTRPKREYEIDGRDYHFVSSREKMEKDIQAHKFIE AGQYNSHLYGTSVQSVREVAEQGKHCILDVSANAVRRLQAAHLHPIAIFIRPRSLENVLE INKRITEEQARKAFDRATKLEQEFTECFSAIVEGDSFEEIYHKVKRVIEDLSGPYIWVPA RERL
experiment.sample.molecule[0].mw20.8
experiment.sample.molecule[0].total_mw20.8
experiment.sample.molecule[0].number_molecules1
experiment.sample.molecule[0].complex_stateFalse
experiment.sample.molecule[0].deuterationnull
experiment.sample.molecule[0].molecule_sourcebiological
experiment.sample.molecule[0].molecule_descriptionnull
experiment.sample.buffer.name20 mM TRIS/HCl, 150 mM NaCl + 10 mM GSH
experiment.sample.buffer.concentration_unitnull
experiment.sample.buffer.commentnull
experiment.sample.buffer.additivenull
experiment.sample.buffer.concentrationnull
experiment.sample.buffer.pkanull
experiment.sample.buffer.ph8.5
experiment.sample.buffer.deuterationnull
experiment.sample.purity_methodnull
experiment.sample.nameThe PDZ1-2 domain of postsynaptic density protein 95 (PSD-95) + glutathione (GSH)
experiment.sample.ext_coefficientnull
experiment.sample.contrastnull
experiment.sample.specific_volnull
experiment.sample.dry_volnull
experiment.sample.absorbptionnull
experiment.sample.deuterationnull
experiment.sample.mixturenull
experiment.contributor[0].affiliation[0].short_namenull
experiment.contributor[0].affiliation[0].addressManchester, UK
experiment.contributor[0].affiliation[0].full_nameUniversity of Manchester
experiment.contributor[0].affiliation[0].webpagehttp://www.manchester.ac.uk/
experiment.contributor[0].contributor_nameStephen
experiment.contributor[0].contributor_surnamePrince
experiment.contributor[0].orcidhttps://orcid.org/0000-0003-0929-0254
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2016-09-16
experiment.storage_temperaturenull
experiment.cell_temperaturenull
experiment.exposure_timenull
experiment.number_of_frames17
experiment.wavelength0.1
experiment.sample_detector_distance3.9
experiment.concentration_minnull
experiment.concentration_max7.5
experiment.sample_volumenull
experiment.flow_ratenull
experiment.s_min0.271
experiment.s_max3.998
experiment.total_exposure_timenull
experiment.seccolumnnull
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fits[0].softwareOLIGOMER
fits[0].chi_square_value1.41
fits[0].p_value0.0
fits[0].fit_residual_plotCON-GSH-Sep16-clo_fitresiduals_img.png
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fits[0].software_versionnull
fits[0].description
estimated_volume_methodnull
pddf_softwareATSAS GNOM
pddf_software_version5.0
i0_calibration_standardnull
descriptionScattering data are fitted using the ATSAS OLIGOMER program using a suite of models. The ATSAS program FFMAKER was used to generate form factors for each model in the suite. Each model is assigned a volume fraction to fit the observed scattering profile. 3 monomer models are included, the first is a compact conformation of PDZ1-2 similar to PDB entries 6spv/6spz; the other two are domain models obtained from a representative run of the ATSAS EOM program with data projected to infinite dilution. Multimeric models are drawn from a "clustering Spacegroup", unit cell 14.8nm symmetry I2(1)3, and consist of identical copies of an extended conformation of PDZ1-2 (similar to PDB entry 3zrt) assembled by symmetry operations. In the order of deposition: Model number; Stoichiometry; MW (kDa); source; Volume fraction. 1; 1; 21; Crystal Structure; 0.436. 2; 1; 21; EOM; 0.160. 3; 1; 21; EOM; 0.341. 4; 2; 42; clustering Spacegroup; 0.000. 5; 4; 84; clustering Spacegroup; 0.029. 6; 8; 168; clustering Spacegroup; 0.034. 7; 12, 252; clustering Spacegroup; 0.000.
experiment_descriptionSynchrotron SAXS data from solutions of the PDZ1-2 domain of postsynaptic density protein 95 (PSD-95) + glutathione (GSH) in 20 mM TRIS/HCl, 150 mM NaCl + 10 mM GSH, pH 8.5 were collected on the B21 beam line at the Diamond Light Source storage ring (Didcot, UK) using a Pilatus 2M detector at a sample-detector distance of 3.9 m and at a wavelength of λ = 0.1 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One solute concentration of 7.50 mg/ml was measured. 17 successive frames were collected. The data were normalized to the intensity of the transmitted beam and radially averaged; the scattering of the solvent-blank was subtracted.
tags[]
intensity_unitarbitrary
experimental_mw20.8
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mw18.0
porod_mw_errornull
pddf_i00.1164
pddf_i0_errornull
guinier_i00.1355
guinier_i0_error0.00021
pddf_rg2.31
pddf_rg_errornull
guinier_rg2.737
guinier_rg_error0.046
pddf_dmax6.33
pddf_dmax_errornull
porod_volume29.0
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first6
guinier_point_last53
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDGH5_datloglog_img.png
symmetrynull
last_modified2019-12-06T13:07:15.624532+01:00
bragg_peak[]
manifest.json:36 field values
Field pathRaw value
codeSASDGH5
statussuccess
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View the complete summary.json source
{
  "code": "SASDGH5",
  "status": "Published",
  "type_of_curve": "Single concentration",
  "angular_unit": "1/A",
  "project": {
    "title": "The dual PDZ domain from Postsynaptic density protein 95 forms a scaffold with peptide ligand",
    "publication": {
      "title": "The dual PDZ domain from Postsynaptic density protein 95 forms a scaffold with peptide ligand",
      "author_list": "Rodzli N, Lockhart-Cairns M, Levy C, Chipperfield J, Bird L, Baldock C, Prince S",
      "journal": "Biophysical Journal",
      "doi": "10.1016/j.bpj.2020.06.018",
      "pmid": null,
      "published_date": "2020 Jun"
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    "status": "released",
    "submitted_date": "2019-09-16",
    "released_date": "2019-09-20"
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            "short_name": null,
            "address": "Manchester, UK",
            "full_name": "University of Manchester",
            "webpage": "http://www.manchester.ac.uk/"
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View the complete manifest.json source
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