SASDEB8

Bacillus thuringiensis LexA repressor (Bt_LexA)

Data type: SASBDB experimental data Status: Published Curve type: Merged Last updated: 2019-12-06T13:07:15.624532+01:00
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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Bacillus thuringiensis LexA repressor (Bt_LexA)

Concentration5.0 – 40.0 Buffer / pH20 mM Hepes, 300 mM NaCl, 10% glycerol, / 8.0
Experimental temperature6.0 Facility / beamlineUniversity of British Columbia / Rigaku BioSAXS-2000
Wavelength0.154 nmExposure300.0 s × 12

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Bacillus thuringiensis LexA repressor
View sequence
MLENMEKLTKRQQDILDFIKLKVQEKGYPPSVREIGQAVGLASSSTVHGHLSRLEEKGYIRRDPTKPRAIEILGEDRMDTETQSVIQVPIVGKVTAGLPITAVESVEEHFPLPASIVSGADQVFMLRISGDSMIEAGIFDGDLVVVRQQQSAYNGEIVVALTEDNEATVKRFYKEKDHFRLQPENSSLEPIILKQVSVIGKVIGVYRDLH
proteinBacillus thuringiensisA0A2B4EEI31–210dimerMolecule count 223.394 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
1770[3]0.00835787–0.642235 1/AHas uncertainty columnMissing 00sasbdb/entries/b8/sasdeb8/source/SASDEB8.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
i0Guinier0.940.005arbitrary
mwExperimental64.1—kDa
mwPorod69.0—kDa
porod_volumePorod110.0—ų
rgGuinier3.70.03Å

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

Fit 1 · CRYSOL

χ²: 2.428CorMap p: 0.0Unit: 1/A

I-TASSER, CRYSOL, ModLoop model of LexA

ModelName / TypeSoftwareSymmetryModel MWPDB DeclarationSource file
1—atomicChimera —46.76—Model Image

Fit 2 · SREFLEX

χ²: 2.018CorMap p: 2e-06Unit: 1/A

I-TASSER, CRYSOL, ModLoop model of LexA in SREFLEX, restrained

ModelName / TypeSoftwareSymmetryModel MWPDB DeclarationSource file
1—atomicChimera —46.76—Model Image

Fit 3 · SREFLEX

χ²: 1.527CorMap p: 0.005267Unit: 1/A

I-TASSER, CRYSOL, ModLoop model of LexA in SREFLEX, unrestrained

ModelName / TypeSoftwareSymmetryModel MWPDB DeclarationSource file
1—atomicChimera —46.76—Model Image
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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 Hepes, 300 mM NaCl, 10% glycerol,Buffer concentration—
pH8.0Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2017-08-25Storage / measurement temperature6.0 / 6.0
Exposure time300.0Frames12
Wavelength0.154Sample-to-detector distance—
SourceX-ray in houseDetectorRigaku HyPix-3000
Facility / beamlineUniversity of British Columbia / Rigaku BioSAXS-2000 · Vancouver, Canada
q range0.084 – 6.422Sample 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

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:202 field values
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statusPublished
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project.titleStructural Insights into Bacteriophage GIL01 gp7 Inhibition of Host LexA Repressor.
project.publication.titleStructural Insights into Bacteriophage GIL01 gp7 Inhibition of Host LexA Repressor.
project.publication.author_listCaveney NA, Pavlin A, Caballero G, Bahun M, Hodnik V, de Castro L, Fornelos N, Butala M, Strynadka NCJ
project.publication.journalStructure
project.publication.doi10.1016/j.str.2019.03.019
project.publication.pmid31056420
project.publication.published_date2019 Jul 2
project.statusreleased
project.submitted_date2018-11-23
project.released_date2019-05-06
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experiment.instrument.detector.resolution100.0
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experiment.instrument.cityVancouver
experiment.instrument.countryCanada
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experiment.sample.molecule[0].short_nameLexA
experiment.sample.molecule[0].sequenceMLENMEKLTKRQQDILDFIKLKVQEKGYPPSVREIGQAVGLASSSTVHGHLSRLEEKGYI RRDPTKPRAIEILGEDRMDTETQSVIQVPIVGKVTAGLPITAVESVEEHFPLPASIVSGA DQVFMLRISGDSMIEAGIFDGDLVVVRQQQSAYNGEIVVALTEDNEATVKRFYKEKDHFR LQPENSSLEPIILKQVSVIGKVIGVYRDLH
experiment.sample.molecule[0].organismBacillus thuringiensis
experiment.sample.molecule[0].uniprot_codeA0A2B4EEI3
experiment.sample.molecule[0].uniprot_range_first1
experiment.sample.molecule[0].uniprot_range_last210
experiment.sample.molecule[0].oligomerizationdimer
experiment.sample.molecule[0].molecular_typeprotein
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experiment.sample.molecule[0].number_molecules2
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experiment.sample.molecule[0].deuterationnull
experiment.sample.molecule[0].molecule_sourcebiological
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experiment.sample.buffer.name20 mM Hepes, 300 mM NaCl, 10% glycerol,
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experiment.contributor[0].contributor_nameNathanael
experiment.contributor[0].contributor_surnameCaveney
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experiment_descriptionSAXS data from solutions of Bacillus thuringiensis LexA repressor (Bt_LexA) in 20 mM HEPES, 300 mM NaCl, 10% glycerol, pH 8 were collected on a Rigaku BioSAXS-2000 instrument at the University of British Columbia (Vancouver, Canada) using a Hybrid Pixel Array Detector Rigaku HyOix-3000 detector at a wavelength of λ = 0.154 nm (l(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). Solute concentrations ranging between 5 and 40 mg/ml were measured at 6°C. 12 successive 300 second 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. The low angle data collected at lower concentration were merged with the highest concentration high angle data to yield the final composite scattering curve.
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last_modified2019-12-06T13:07:15.624532+01:00
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View the complete summary.json source
{
  "code": "SASDEB8",
  "status": "Published",
  "type_of_curve": "Merged",
  "angular_unit": "1/A",
  "project": {
    "title": "Structural Insights into Bacteriophage GIL01 gp7 Inhibition of Host LexA Repressor.",
    "publication": {
      "title": "Structural Insights into Bacteriophage GIL01 gp7 Inhibition of Host LexA Repressor.",
      "author_list": "Caveney NA, Pavlin A, Caballero G, Bahun M, Hodnik V, de Castro L, Fornelos N, Butala M, Strynadka NCJ",
      "journal": "Structure",
      "doi": "10.1016/j.str.2019.03.019",
      "pmid": "31056420",
      "published_date": "2019 Jul 2"
    },
    "status": "released",
    "submitted_date": "2018-11-23",
    "released_date": "2019-05-06"
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    "sample": {
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            "address": "Vancouver, Canada",
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            "webpage": "https://www.ubc.ca/"
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View the complete manifest.json source
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