SASDFB6

The periplasmically localised protease PqqL from Escherichia coli

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

Sample 1 · The periplasmically localised protease PqqL from Escherichia coli

Concentration— – 8.0 Buffer / pH20 mM Tris HCl, 150 nM NaCl, 0.02 % NaN3, 5% glycerol / 7.8
Experimental temperature20.0 Facility / beamlineAustralian Synchrotron / SAXS/WAXS
Wavelength0.10322 nmExposure1.0 s × 10

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Zinc protease PqqL
View sequence
AALPQDEKLITGQLDNGLRYMIYPHAHPKDQVNLWLQIHTGSLQEEDNELGVAHFVEHMMFNGTKTWPGNKVIETFESMGLRFGRDVNAYTSYDETVYQVSLPTTQKQNLQQVMAIFSEWSNAATFEKLEVDAERGVITEEWRAHQDAKWRTSQARRPFLLANTRNLDREPIGLMDTVATVTPAQLRQFYQRWYQPNNMTFIVVGDIDSKEALALIKDNLSKLPANKAAENRVWPTKAENHLRFNIINDKENRVNGIALYYRLPMVQVNDEQSFIEQAEWSMLVQLFNQRLQERIQSGELKTISGGTARSVKIAPDYQSLFFRVNARDDNMQDAANALMAELATIDQHGFSAEELDDVKSTRLTWLKNAVDQQAERDLRMLTSRLASSSLNNTPFLSPEETYQLSKRLWQQITVQSLAEKWQQLRKNQDAFWEQMVNNEVAAKKALSPAAILALEKEYANKKLAAYVFPGRNLSLTVDADPQAEISSKETLAENLTSLTLSNGARVILAKSAGEEQKLQIIAVSNKGDLSFPAQQKSLIALANKAVSGSGVGELSSSSLKRWSAENSVTMSSKVSGMNTLLSVSARTNNPEPGFQLINQRITHSTINDNIWASLQNAQIQALKTLDQRPAEKFAQQMYETRYADDRTKLLQENQIAQFTAADALAADRQLFSSPADITFVIVGNVAEDKLVALITRYLGSIKHSDSPLAAGKPLTRATDNASVTVKEQNEPVAQVSQWKRYDSRTPVNLPTRMALDAFNVALAKDLRVNIREQASGAYSVSSRLSVDPQAKDISHLLAFTCQPERHDELLTLANEVMVKRLAKGISEQELNEYQQNVQRSLDIQQRSVQQLANTIVNSLIQYDDPAAWTEQEQLLKQMTVENVNTAVKQYLSHPVNTYTGVLLPK
proteinEscherichia coliP3182827–931monomerMolecule count 1101.744 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
1858[3]0.00566877–0.318768 1/AHas uncertainty columnMissing 011sasbdb/entries/b6/sasdfb6/source/SASDFB6.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)13.69—Å
i0Guinier0.136780.0002arbitrary
i0P(r)0.08263—arbitrary
mwExperimental113.0—kDa
mwPorod130.0—kDa
porod_volumePorod207.0—ų
rgGuinier4.020.88Å
rgP(r)4.11—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 nM NaCl, 0.02 % NaN3, 5% glycerolBuffer concentration—
pH7.8Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2017-06-14Storage / measurement temperature20.0 / 20.0
Exposure time1.0Frames10
Wavelength0.10322Sample-to-detector distance1.426
SourceX-ray synchrotronDetectorPilatus 1M
Facility / beamlineAustralian Synchrotron / SAXS/WAXS · Melbourne, Australia
q range0.057 – 3.188Sample volume / flow rate100.0 / 0.4

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:195 field values
Field pathRaw value
codeSASDFB6
statusPublished
type_of_curveSEC-SAS
angular_unit1/A
project.titleProtease-associated import systems are widespread in Gram-negative bacteria.
project.publication.titleProtease-associated import systems are widespread in Gram-negative bacteria.
project.publication.author_listGrinter R, Leung PM, Wijeyewickrema LC, Littler D, Beckham S, Pike RN, Walker D, Greening C, Lithgow T
project.publication.journalPLoS Genet
project.publication.doi10.1371/journal.pgen.1008435
project.publication.pmid31613892
project.publication.published_date2019 Oct
project.statusreleased
project.submitted_date2019-05-08
project.released_date2019-09-24
pddf_datahttps://www.sasbdb.org/media/p_of_R_files/SASDFB6.out
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sascif_datahttps://www.sasbdb.org/media/sascif/sascif_files/SASDFB6.sascif
experiment.instrument.detector.typeDectris
experiment.instrument.detector.namePilatus 1M
experiment.instrument.detector.resolution172.0
experiment.instrument.nameAustralian Synchrotron
experiment.instrument.cityMelbourne
experiment.instrument.countryAustralia
experiment.instrument.beamline_nameSAXS/WAXS
experiment.instrument.beam_geometryPoint
experiment.instrument.type_of_sourceX-ray synchrotron
experiment.instrument.point_sourceTrue
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_nameZinc protease PqqL
experiment.sample.molecule[0].short_namenull
experiment.sample.molecule[0].sequenceAALPQDEKLITGQLDNGLRYMIYPHAHPKDQVNL WLQIHTGSLQEEDNELGVAHFVEHMMFNGTKTWPGNKVIETFESMGLRFGRDVNAYTSYD ETVYQVSLPTTQKQNLQQVMAIFSEWSNAATFEKLEVDAERGVITEEWRAHQDAKWRTSQ ARRPFLLANTRNLDREPIGLMDTVATVTPAQLRQFYQRWYQPNNMTFIVVGDIDSKEALA LIKDNLSKLPANKAAENRVWPTKAENHLRFNIINDKENRVNGIALYYRLPMVQVNDEQSF IEQAEWSMLVQLFNQRLQERIQSGELKTISGGTARSVKIAPDYQSLFFRVNARDDNMQDA ANALMAELATIDQHGFSAEELDDVKSTRLTWLKNAVDQQAERDLRMLTSRLASSSLNNTP FLSPEETYQLSKRLWQQITVQSLAEKWQQLRKNQDAFWEQMVNNEVAAKKALSPAAILAL EKEYANKKLAAYVFPGRNLSLTVDADPQAEISSKETLAENLTSLTLSNGARVILAKSAGE EQKLQIIAVSNKGDLSFPAQQKSLIALANKAVSGSGVGELSSSSLKRWSAENSVTMSSKV SGMNTLLSVSARTNNPEPGFQLINQRITHSTINDNIWASLQNAQIQALKTLDQRPAEKFA QQMYETRYADDRTKLLQENQIAQFTAADALAADRQLFSSPADITFVIVGNVAEDKLVALI TRYLGSIKHSDSPLAAGKPLTRATDNASVTVKEQNEPVAQVSQWKRYDSRTPVNLPTRMA LDAFNVALAKDLRVNIREQASGAYSVSSRLSVDPQAKDISHLLAFTCQPERHDELLTLAN EVMVKRLAKGISEQELNEYQQNVQRSLDIQQRSVQQLANTIVNSLIQYDDPAAWTEQEQL LKQMTVENVNTAVKQYLSHPVNTYTGVLLPK
experiment.sample.molecule[0].organismEscherichia coli
experiment.sample.molecule[0].uniprot_codeP31828
experiment.sample.molecule[0].uniprot_range_first27
experiment.sample.molecule[0].uniprot_range_last931
experiment.sample.molecule[0].oligomerizationmonomer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequenceMEIIMRNLCFLLTLVATLLLPGRLIAAALPQDEKLITGQLDNGLRYMIYPHAHPKDQVNL WLQIHTGSLQEEDNELGVAHFVEHMMFNGTKTWPGNKVIETFESMGLRFGRDVNAYTSYD ETVYQVSLPTTQKQNLQQVMAIFSEWSNAATFEKLEVDAERGVITEEWRAHQDAKWRTSQ ARRPFLLANTRNLDREPIGLMDTVATVTPAQLRQFYQRWYQPNNMTFIVVGDIDSKEALA LIKDNLSKLPANKAAENRVWPTKAENHLRFNIINDKENRVNGIALYYRLPMVQVNDEQSF IEQAEWSMLVQLFNQRLQERIQSGELKTISGGTARSVKIAPDYQSLFFRVNARDDNMQDA ANALMAELATIDQHGFSAEELDDVKSTRLTWLKNAVDQQAERDLRMLTSRLASSSLNNTP FLSPEETYQLSKRLWQQITVQSLAEKWQQLRKNQDAFWEQMVNNEVAAKKALSPAAILAL EKEYANKKLAAYVFPGRNLSLTVDADPQAEISSKETLAENLTSLTLSNGARVILAKSAGE EQKLQIIAVSNKGDLSFPAQQKSLIALANKAVSGSGVGELSSSSLKRWSAENSVTMSSKV SGMNTLLSVSARTNNPEPGFQLINQRITHSTINDNIWASLQNAQIQALKTLDQRPAEKFA QQMYETRYADDRTKLLQENQIAQFTAADALAADRQLFSSPADITFVIVGNVAEDKLVALI TRYLGSIKHSDSPLAAGKPLTRATDNASVTVKEQNEPVAQVSQWKRYDSRTPVNLPTRMA LDAFNVALAKDLRVNIREQASGAYSVSSRLSVDPQAKDISHLLAFTCQPERHDELLTLAN EVMVKRLAKGISEQELNEYQQNVQRSLDIQQRSVQQLANTIVNSLIQYDDPAAWTEQEQL LKQMTVENVNTAVKQYLSHPVNTYTGVLLPK
experiment.sample.molecule[0].mw101.744
experiment.sample.molecule[0].total_mw101.744
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 nM NaCl, 0.02 % NaN3, 5% glycerol
experiment.sample.buffer.concentration_unitnull
experiment.sample.buffer.commentnull
experiment.sample.buffer.additivenull
experiment.sample.buffer.concentrationnull
experiment.sample.buffer.pkanull
experiment.sample.buffer.ph7.8
experiment.sample.buffer.deuterationnull
experiment.sample.purity_methodnull
experiment.sample.nameThe periplasmically localised protease PqqL from Escherichia coli
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].addressMelbourne, Australia
experiment.contributor[0].affiliation[0].full_nameMonash University
experiment.contributor[0].affiliation[0].webpagehttp://www.monash.edu/
experiment.contributor[0].contributor_nameGrinter
experiment.contributor[0].contributor_surnameGrinter
experiment.contributor[0].orcidhttps://orcid.org/0000-0002-8195-5348
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2017-06-14
experiment.storage_temperature20.0
experiment.cell_temperature20.0
experiment.exposure_time1.0
experiment.number_of_frames10
experiment.wavelength0.10322
experiment.sample_detector_distance1.426
experiment.concentration_minnull
experiment.concentration_max8.0
experiment.sample_volume100.0
experiment.flow_rate0.4
experiment.s_min0.057
experiment.s_max3.188
experiment.total_exposure_timenull
experiment.seccolumn2
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fits[0].models[0].bead_radius3.5
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fits[0].models[1].commentnull
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fits[0].fit_unit1/A
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fits[0].softwareDAMMIF
fits[0].chi_square_value0.506
fits[0].p_value0.003869
fits[0].fit_residual_plotPqqL_sub_sca_avg2-1_fitresiduals_img.png
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fits[1].models[0].bead_radiusnull
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fits[1].models[0].commentnull
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fits[1].fit_unit1/A
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fits[1].softwareCRYSOL
fits[1].chi_square_value9.541
fits[1].p_value0.0
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fits[1].software_versionnull
fits[1].description
estimated_volume_methodnull
pddf_softwareATSAS GNOM
pddf_software_version5.0
i0_calibration_standardnull
descriptionnull
experiment_descriptionSynchrotron SAXS data from solutions of periplasmically localised protease (PqqL) from E. coli in 20 mM Tris HCl, 150 nM NaCl, 0.02 % NaN3, 5% glycerol, pH 7.8 were collected on the SAXS/WAXS beam line at the Australian Synchrotron (Melbourne, Australia) using a Pilatus 1M detector at a sample-detector distance of 1.4 m and at a wavelength of λ = 0.10322 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). In-line size-exclusion chromatography (SEC) SAXS was employed using a co-flow apparatus. The SEC parameters were as follows: A 100 μl sample at 8 mg/ml was injected onto a GE Superdex 200 Increase 5/150 column at 20°C. 10 successive 1 second frames were collected through the SEC elution peak. 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_mw113.0
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mw130.0
porod_mw_errornull
pddf_i00.08263
pddf_i0_errornull
guinier_i00.13678
guinier_i0_error0.0002
pddf_rg4.11
pddf_rg_errornull
guinier_rg4.02
guinier_rg_error0.88
pddf_dmax13.69
pddf_dmax_errornull
porod_volume207.0
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first7
guinier_point_last70
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDFB6_datloglog_img.png
symmetrynull
last_modified2019-12-06T13:07:15.624532+01:00
bragg_peak[]
manifest.json:36 field values
Field pathRaw value
codeSASDFB6
statussuccess
started_at2026-08-11T15:05:38.730267+00:00
finished_at2026-08-11T15:05:48.545262+00:00
source_last_modified2019-12-06T13:07:15.624532+01:00
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View the complete summary.json source
{
  "code": "SASDFB6",
  "status": "Published",
  "type_of_curve": "SEC-SAS",
  "angular_unit": "1/A",
  "project": {
    "title": "Protease-associated import systems are widespread in Gram-negative bacteria.",
    "publication": {
      "title": "Protease-associated import systems are widespread in Gram-negative bacteria.",
      "author_list": "Grinter R, Leung PM, Wijeyewickrema LC, Littler D, Beckham S, Pike RN, Walker D, Greening C, Lithgow T",
      "journal": "PLoS Genet",
      "doi": "10.1371/journal.pgen.1008435",
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View the complete manifest.json source
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