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SASDX65

IgA protease (ThomasA) 323-878

Data type: SASBDB experimental data Status: Published Curve type: SEC-SAS Last updated: 2025-08-01T09:34:26.240620+02:00
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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · IgA protease (ThomasA) 323-878

Concentration— – 2.95 Buffer / pH50 mM Tris-HCl pH 7.5, 100 mM NaCl, 2% v/v glycerol / 7.5
Experimental temperature15.0 Facility / beamlineDiamond Light Source / B21
Wavelength0.09464 nmExposure0.56 s × —

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
IgA protease
View sequence
GGSGPDWNVSTEQSIQLTLGPWYSNDGKYSNPTIPVYTIQKTRSDTENMVVVVCGEGYTKSQQGKFINDVKRLWQDAMKYEPYRSYADRFNVYALCTASESTFDNGGSTFFDVIVDKYNSPVISNNLHGSQWKNHIFERCIGPEFIEKIHDAHIKKKCDPNTIPSGSEYEPYYYVHDYIAQFAMVVNTKSDFGGAYNNREYGFHYFISPSDSYRASKTFAHEFGHGLLGLGDEYSNGYLLDDKELKSLNLSSVEDPEKIKWRQLLGFRNTYTCRNAYGSKMLVSSYECIMRDTNYQFCEVCRLQGFKRMSQLVKDVDLYVATPEVKEYTGAYSKPSDFTDLETSSYYNYTYNRNDRLLSGNSKSRFNTNMNGKKIELRTVIQNISDKNARQLKFKMWIKHSDGSVATDSSGNPLQTVQTFDIPVWNDKANFWPLGALDHIKSDFNSGLKSCSLIYQIPSDAQLKSGDTVAFQVLDENGNVLADDNTETQRYTTVSIQYKFEDGSEIPNTAGGTFTVPYGTKLDLTPAKTLYDYEFIKVDGLNKPIVSDGTVVTYYYKNKN
proteinThomasclavelia ramosaQ9AES2323–878monomerMolecule count 163.727 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
12568[3]0.0045–0.34 1/AHas uncertainty columnMissing 0240sasbdb/entries/65/sasdx65/source/SASDX65.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)9.19—Å
i0Guinier0.0314759—1/cm
i0P(r)0.0313—1/cm
mwExperimental69.2—kDa
mwPorod45.0—kDa
porod_volumePorod72.1—ų
rgGuinier2.9620.047Å
rgP(r)2.96—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

This entry has no source fit record.

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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 name50 mM Tris-HCl pH 7.5, 100 mM NaCl, 2% v/v glycerolBuffer concentration—
pH7.5Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2024-04-19Storage / measurement temperature-80.0 / 15.0
Exposure time0.56Frames—
Wavelength0.09464Sample-to-detector distance3.6929
SourceX-ray synchrotronDetectorEiger 4M
Facility / beamlineDiamond Light Source / B21 · Didcot, UK
q range0.045 – 3.4Sample volume / flow rate55.0 / 0.07

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

CategoryFileStatusSizeChecksumDownload and View
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sascifsasbdb/entries/65/sasdx65/source/SASDX65.sascifnot_available——DownloadView source fileSource site
summarysasbdb/entries/65/sasdx65/source/summary.jsondownloaded6766e5b53154622b5aa61509bf8d1c7d82dd714532d7f5c06dd72a7c8811d8ec1e10DownloadView source fileSource site
curve：source record
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full_entry_zip：source record and ZIP contents (2 items)
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pddf：source record
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sascif：source record
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summary：source record
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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：128 field values
Field pathRaw value
codeSASDX65
statusPublished
type_of_curveSEC-SAS
angular_unit1/A
project.titleMolecular basis of Fab-dependent IgA antibody recognition by gut-bacterial metallopeptidases
project.publication.titleMolecular basis of Fab-dependent IgA antibody recognition by gut-bacterial metallopeptidases
project.publication.author_listMárquez-Moñino M, Martínez Gascueña A, Azzam T, Persson A, Manzanares-Gomez A, Aguillo-Urarte M, Brown T, Montero-Sagarminaga A, Lood R, Naegeli A, Connell S, Sastre D, Sundberg E, Trastoy B
project.publication.journalThe EMBO Journal
project.publication.doi10.1038/s44318-025-00518-w
project.publication.pmidnull
project.publication.published_date2025 Jul 31
project.statusreleased
project.submitted_date2025-06-03
project.released_date2025-07-04
pddf_datahttps://www.sasbdb.org/media/p_of_R_files/SASDX65.out
intensities_datahttps://www.sasbdb.org/media/intensities_files/SASDX65.dat
intensities_log_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDX65_dat_img.png
intensities_kratky_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDX65_kratky_img.png
pddf_plothttps://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDX65_pofr_img.png
intensities_guinier_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDX65_guinier_img.png
sascif_datahttps://www.sasbdb.org/media/sascif/sascif_files/SASDX65.sascif
experiment.instrument.detector.typenull
experiment.instrument.detector.nameEiger 4M
experiment.instrument.detector.resolution75.0
experiment.instrument.nameDiamond Light Source
experiment.instrument.cityDidcot
experiment.instrument.countryUK
experiment.instrument.beamline_nameB21
experiment.instrument.beam_geometrynull
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_nameIgA protease
experiment.sample.molecule[0].short_namenull
experiment.sample.molecule[0].sequenceGGSGPDWNVSTEQSIQLTLGPWYSNDGKYSNPTIPVYTIQKTRSDTENMVVVVCGEGYTKSQQGKFINDVKRLWQDAMKYEPYRSYADRFNVYALCTASESTFDNGGSTFFDVIVDKYNSPVISNNLHGSQWKNHIFERCIGPEFIEKIHDAHIKKKCDPNTIPSGSEYEPYYYVHDYIAQFAMVVNTKSDFGGAYNNREYGFHYFISPSDSYRASKTFAHEFGHGLLGLGDEYSNGYLLDDKELKSLNLSSVEDPEKIKWRQLLGFRNTYTCRNAYGSKMLVSSYECIMRDTNYQFCEVCRLQGFKRMSQLVKDVDLYVATPEVKEYTGAYSKPSDFTDLETSSYYNYTYNRNDRLLSGNSKSRFNTNMNGKKIELRTVIQNISDKNARQLKFKMWIKHSDGSVATDSSGNPLQTVQTFDIPVWNDKANFWPLGALDHIKSDFNSGLKSCSLIYQIPSDAQLKSGDTVAFQVLDENGNVLADDNTETQRYTTVSIQYKFEDGSEIPNTAGGTFTVPYGTKLDLTPAKTLYDYEFIKVDGLNKPIVSDGTVVTYYYKNKN
experiment.sample.molecule[0].organismThomasclavelia ramosa
experiment.sample.molecule[0].uniprot_codeQ9AES2
experiment.sample.molecule[0].uniprot_range_first323
experiment.sample.molecule[0].uniprot_range_last878
experiment.sample.molecule[0].oligomerizationmonomer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequenceMTKKLMTKKITAIFLALYMAISVLPMTIQAASKPDIKVGDYVKMGVYNNASILWRCVSID NNGPLMLADKIVDTLAYDAKTNDNSNSKSHSRSYKRDDYGSNYWKDSNMRSWLNSTAAEG KVDWLCGNPPKDGYVSGVGAYNEKAGFLNAFSKSEIAAMKTVTQRSLVSHPEYNKGIVDG DANSDLLYYTDISEAVANYDSSYFETTTEKVFLLDVKQANAVWKNLKGYYVAYNNDGMAW PYWLRTPVTDCNHDMRYISSSGQVGRYAPWYSDLGVRPAFYLDSEYFVTTSGSGSQSSPY IGSAPNKQEDDYTISEPAEDANPDWNVSTEQSIQLTLGPWYSNDGKYSNPTIPVYTIQKT RSDTENMVVVVCGEGYTKSQQGKFINDVKRLWQDAMKYEPYRSYADRFNVYALCTASEST FDNGGSTFFDVIVDKYNSPVISNNLHGSQWKNHIFERCIGPEFIEKIHDAHIKKKCDPNT IPSGSEYEPYYYVHDYIAQFAMVVNTKSDFGGAYNNREYGFHYFISPSDSYRASKTFAHE FGHGLLGLGDEYSNGYLLDDKELKSLNLSSVEDPEKIKWRQLLGFRNTYTCRNAYGSKML VSSYECIMRDTNYQFCEVCRLQGFKRMSQLVKDVDLYVATPEVKEYTGAYSKPSDFTDLE TSSYYNYTYNRNDRLLSGNSKSRFNTNMNGKKIELRTVIQNISDKNARQLKFKMWIKHSD GSVATDSSGNPLQTVQTFDIPVWNDKANFWPLGALDHIKSDFNSGLKSCSLIYQIPSDAQ LKSGDTVAFQVLDENGNVLADDNTETQRYTTVSIQYKFEDGSEIPNTAGGTFTVPYGTKL DLTPAKTLYDYEFIKVDGLNKPIVSDGTVVTYYYKNKNEEHTHNLTLVAAKAATCTTAGN SAYYTCDGCDKWFADATGSVEITDKTSVKIPAPGHTAGTEWKSDDTNHWHECTVAGCGVI IESTKSAHTAGEWIVDTPATATTAGTKHKECTVCHRVLETQPIPSTGTELKIIAGDNQIY NKASGSDVTITCNGDFAKFTGIKVDGSVVDSSNYTAVSGSTVLTLKASYLGTLTDGSHTI TFVYTDGEANANLTVRTAGSGHIHDYGTEWKSNADNHWHECNCGDKKDEAAHSFKWVVDK EATATKKGSKHEECKICGYKRSAVEIPATGTSTAPTDTTKPNDTTKPGNTNGSEKSPQTG DNSNIFLWFALLFVSAAGVTGITAYNKKKKEHAE
experiment.sample.molecule[0].mw63.727
experiment.sample.molecule[0].total_mw63.727
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_description
experiment.sample.buffer.name50 mM Tris-HCl pH 7.5, 100 mM NaCl, 2% v/v 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.ph7.5
experiment.sample.buffer.deuterationnull
experiment.sample.purity_methodnull
experiment.sample.nameIgA protease (ThomasA) 323-878
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[]
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2024-04-19
experiment.storage_temperature-80.0
experiment.cell_temperature15.0
experiment.exposure_time0.56
experiment.number_of_framesnull
experiment.wavelength0.09464
experiment.sample_detector_distance3.6929
experiment.concentration_minnull
experiment.concentration_max2.95
experiment.sample_volume55.0
experiment.flow_rate0.07
experiment.s_min0.045
experiment.s_max3.4
experiment.total_exposure_timenull
experiment.seccolumn14
fits[]
estimated_volume_methodnull
pddf_softwareATSAS GNOM
pddf_software_version5.0
i0_calibration_standardnull
descriptionnull
experiment_descriptionnull
tags[]
intensity_unit1/cm
experimental_mw69.2
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mw45.0
porod_mw_errornull
pddf_i00.0313
pddf_i0_errornull
guinier_i00.0314759
guinier_i0_errornull
pddf_rg2.96
pddf_rg_errornull
guinier_rg2.962
guinier_rg_error0.047
pddf_dmax9.19
pddf_dmax_errornull
porod_volume72.1
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first73
guinier_point_last302
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDX65_datloglog_img.png
symmetrynull
last_modified2025-08-01T09:34:26.240620+02:00
bragg_peak[]
manifest.json：34 field values
Field pathRaw value
codeSASDX65
statussuccess
started_at2026-08-11T14:40:36.087323+00:00
finished_at2026-08-11T14:40:44.059483+00:00
source_last_modified2025-08-01T09:34:26.240620+02:00
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View the complete summary.json source
{
  "code": "SASDX65",
  "status": "Published",
  "type_of_curve": "SEC-SAS",
  "angular_unit": "1/A",
  "project": {
    "title": "Molecular basis of Fab-dependent IgA antibody recognition by gut-bacterial metallopeptidases",
    "publication": {
      "title": "Molecular basis of Fab-dependent IgA antibody recognition by gut-bacterial metallopeptidases",
      "author_list": "Márquez-Moñino M, Martínez Gascueña A, Azzam T, Persson A, Manzanares-Gomez A, Aguillo-Urarte M, Brown T, Montero-Sagarminaga A, Lood R, Naegeli A, Connell S, Sastre D, Sundberg E, Trastoy B",
      "journal": "The EMBO Journal",
      "doi": "10.1038/s44318-025-00518-w",
      "pmid": null,
      "published_date": "2025 Jul 31"
    },
    "status": "released",
    "submitted_date": "2025-06-03",
    "released_date": "2025-07-04"
  },
  "pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDX65.out",
  "intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDX65.dat",
  "intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDX65_dat_img.png",
  "intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDX65_kratky_img.png",
  "pddf_plot": "https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDX65_pofr_img.png",
  "intensities_guinier_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDX65_guinier_img.png",
  "sascif_data": "https://www.sasbdb.org/media/sascif/sascif_files/SASDX65.sascif",
  "experiment": {
    "instrument": {
      "detector": {
        "type": null,
        "name": "Eiger 4M",
        "resolution": 75.0
      },
      "name": "Diamond Light Source",
      "city": "Didcot",
      "country": "UK",
      "beamline_name": "B21",
      "beam_geometry": null,
      "type_of_source": "X-ray synchrotron",
      "point_source": null,
      "line_collimation": null,
      "sample_path_length": null,
      "line_collimation_slitlength": null,
      "line_collimation_integrationwidth": null,
      "xray_energy": null,
      "beam_profile_ah": null,
      "beam_profile_al": null
    },
    "sample": {
      "molecule": [
        {
          "long_name": "IgA protease",
          "short_name": null,
          "sequence": "GGSGPDWNVSTEQSIQLTLGPWYSNDGKYSNPTIPVYTIQKTRSDTENMVVVVCGEGYTKSQQGKFINDVKRLWQDAMKYEPYRSYADRFNVYALCTASESTFDNGGSTFFDVIVDKYNSPVISNNLHGSQWKNHIFERCIGPEFIEKIHDAHIKKKCDPNTIPSGSEYEPYYYVHDYIAQFAMVVNTKSDFGGAYNNREYGFHYFISPSDSYRASKTFAHEFGHGLLGLGDEYSNGYLLDDKELKSLNLSSVEDPEKIKWRQLLGFRNTYTCRNAYGSKMLVSSYECIMRDTNYQFCEVCRLQGFKRMSQLVKDVDLYVATPEVKEYTGAYSKPSDFTDLETSSYYNYTYNRNDRLLSGNSKSRFNTNMNGKKIELRTVIQNISDKNARQLKFKMWIKHSDGSVATDSSGNPLQTVQTFDIPVWNDKANFWPLGALDHIKSDFNSGLKSCSLIYQIPSDAQLKSGDTVAFQVLDENGNVLADDNTETQRYTTVSIQYKFEDGSEIPNTAGGTFTVPYGTKLDLTPAKTLYDYEFIKVDGLNKPIVSDGTVVTYYYKNKN",
          "organism": "Thomasclavelia ramosa",
          "uniprot_code": "Q9AES2",
          "uniprot_range_first": 323,
          "uniprot_range_last": 878,
          "oligomerization": "monomer",
          "molecular_type": "protein",
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        "comment": null,
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        "concentration": null,
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      "ext_coefficient": null,
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      "absorbption": null,
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    "concentration_unit": null,
    "date": "2024-04-19",
    "storage_temperature": -80.0,
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    "number_of_frames": null,
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  "description": null,
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  "symmetry": null,
  "last_modified": "2025-08-01T09:34:26.240620+02:00",
  "bragg_peak": []
}
View the complete manifest.json source
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