SASDDN9

Mycobacterium tuberculosis DNA Ligase A

Data type: SASBDB experimental data Status: Published Curve type: Single concentration Last updated: 2020-08-13T15:34:54.858626+02:00

The model displayed in this entry is a DAMFILT averaged spatial representation obtained from an unknown number of individual DAM reconstructions.

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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Mycobacterium tuberculosis DNA Ligase A

Concentration— – 1.3 Buffer / pH50 mM Tris-HCl, 200 mM NaCl, 2 mM β-mercaptoethanol / 8.0
Experimental temperature10.0 Facility / beamlineESRF / BM29
Wavelength0.081 nmExposure1.0 s × 10

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
DNA ligase A
View sequence
VSSPDADQTAPEVLRQWQALAEEVREHQFRYYVRDAPIISDAEFDELLRRLEALEEQHPELRTPDSPTQLVGGAGFATDFEPVDHLERMLSLDNAFTADELAAWAGRIHAEVGDAAHYLCELKIDGVALSLVYREGRLTRASTRGDGRTGEDVTLNARTIADVPERLTPGDDYPVPEVLEVRGEVFFRLDDFQALNASLVEEGKAPFANPRNSAAGSLRQKDPAVTARRRLRMICHGLGHVEGFRPATLHQAYLALRAWGLPVSEHTTLATDLAGVRERIDYWGEHRHEVDHEIDGVVVKVDEVALQRRLGSTSRAPRWAIAYKYPPEEAQTKLLDIRVNVGRTGRITPFAFMTPVKVAGSTVGQATLHNASEIKRKGVLIGDTVVIRKAGDVIPEVLGPVVELRDGSEREFIMPTTCPECGSPLAPEKEGDADIRCPNARGCPGQLRERVFHVASRNGLDIEVLGYEAGVALLQAKVIADEGELFALTERDLLRTDLFRTKAGELSANGKRLLVNLDKAKAAPLWRVLVALSIRHVGPTAARALATEFGSLDAIAAASTDQLAAVEGVGPTIAAAVTEWFAVDWHREIVDKWRAAGVRMVDERDESVPRTLAGLTIVVTGSLTGFSRDDAKEAIVARGGKAAGSVSKKTNYVVAGDSPGSKYDKAVELGVPILDEDGFRRLLADGPASRTHHHHHH
proteinMycobacterium tuberculosisP9WNV11–691monomerMolecule count 176.079 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
11037[3]0.03082862–4.944437 1/nmHas uncertainty columnMissing 010sasbdb/entries/n9/sasddn9/source/SASDDN9.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)16.7—nm
i0Guinier10.840.093—
i0P(r)10.82——
mwExperimental121.3—kDa
porod_volumePorod870.0—nm³
rgGuinier5.210.62nm
rgP(r)5.197—nm

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 name50 mM Tris-HCl, 200 mM NaCl, 2 mM β-mercaptoethanolBuffer concentration—
pH8.0Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2017-05-13Storage / measurement temperature4.0 / 10.0
Exposure time1.0Frames10
Wavelength0.081Sample-to-detector distance1.1
SourceX-ray synchrotronDetectorPilatus 1M
Facility / beamlineESRF / BM29 · Grenoble, France
q range0.031 – 4.944Sample 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:156 field values
Field pathRaw value
codeSASDDN9
statusPublished
type_of_curveSingle concentration
angular_unit1/nm
project.titleM. tuberculosis class II apurinic/ apyrimidinic-endonuclease/3'-5' exonuclease (XthA) engages with NAD+-dependent DNA ligase A (LigA) to counter futile cleavage and ligation cycles in base excision repair.
project.publication.titleM. tuberculosis class II apurinic/ apyrimidinic-endonuclease/3'-5' exonuclease (XthA) engages with NAD+-dependent DNA ligase A (LigA) to counter futile cleavage and ligation cycles in base excision repair.
project.publication.author_listKhanam T, Afsar M, Shukla A, Alam F, Kumar S, Soyar H, Dolma K, Pasupuleti M, Srivastava KK, Ampapathi RS, Ramachandran R
project.publication.journalNucleic Acids Res
project.publication.doi10.1093/nar/gkaa188
project.publication.pmid32232338
project.publication.published_date2020 Mar 30
project.statusreleased
project.submitted_date2018-09-06
project.released_date2019-05-28
pddf_datahttps://www.sasbdb.org/media/p_of_R_files/SASDDN9.out
intensities_datahttps://www.sasbdb.org/media/intensities_files/SASDDN9.dat
intensities_log_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDDN9_dat_img.png
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pddf_plothttps://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDDN9_pofr_img.png
intensities_guinier_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDDN9_guinier_img.png
sascif_datahttps://www.sasbdb.org/media/sascif/sascif_files/SASDDN9.sascif
experiment.instrument.detector.typeDectris
experiment.instrument.detector.namePilatus 1M
experiment.instrument.detector.resolution172.0
experiment.instrument.nameESRF
experiment.instrument.cityGrenoble
experiment.instrument.countryFrance
experiment.instrument.beamline_nameBM29
experiment.instrument.beam_geometry
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_nameDNA ligase A
experiment.sample.molecule[0].short_nameLigA
experiment.sample.molecule[0].sequenceVSSPDADQTAPEVLRQWQALAEEVREHQFRYYVRDAPIISDAEFDELLRRLEALEEQHPELRTPDSPTQLVGGAGFATDFEPVDHLERMLSLDNAFTADELAAWAGRIHAEVGDAAHYLCELKIDGVALSLVYREGRLTRASTRGDGRTGEDVTLNARTIADVPERLTPGDDYPVPEVLEVRGEVFFRLDDFQALNASLVEEGKAPFANPRNSAAGSLRQKDPAVTARRRLRMICHGLGHVEGFRPATLHQAYLALRAWGLPVSEHTTLATDLAGVRERIDYWGEHRHEVDHEIDGVVVKVDEVALQRRLGSTSRAPRWAIAYKYPPEEAQTKLLDIRVNVGRTGRITPFAFMTPVKVAGSTVGQATLHNASEIKRKGVLIGDTVVIRKAGDVIPEVLGPVVELRDGSEREFIMPTTCPECGSPLAPEKEGDADIRCPNARGCPGQLRERVFHVASRNGLDIEVLGYEAGVALLQAKVIADEGELFALTERDLLRTDLFRTKAGELSANGKRLLVNLDKAKAAPLWRVLVALSIRHVGPTAARALATEFGSLDAIAAASTDQLAAVEGVGPTIAAAVTEWFAVDWHREIVDKWRAAGVRMVDERDESVPRTLAGLTIVVTGSLTGFSRDDAKEAIVARGGKAAGSVSKKTNYVVAGDSPGSKYDKAVELGVPILDEDGFRRLLADGPASRTHHHHHH
experiment.sample.molecule[0].organismMycobacterium tuberculosis
experiment.sample.molecule[0].uniprot_codeP9WNV1
experiment.sample.molecule[0].uniprot_range_first1
experiment.sample.molecule[0].uniprot_range_last691
experiment.sample.molecule[0].oligomerizationmonomer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequenceMSSPDADQTAPEVLRQWQALAEEVREHQFRYYVRDAPIISDAEFDELLRRLEALEEQHPE LRTPDSPTQLVGGAGFATDFEPVDHLERMLSLDNAFTADELAAWAGRIHAEVGDAAHYLC ELKIDGVALSLVYREGRLTRASTRGDGRTGEDVTLNARTIADVPERLTPGDDYPVPEVLE VRGEVFFRLDDFQALNASLVEEGKAPFANPRNSAAGSLRQKDPAVTARRRLRMICHGLGH VEGFRPATLHQAYLALRAWGLPVSEHTTLATDLAGVRERIDYWGEHRHEVDHEIDGVVVK VDEVALQRRLGSTSRAPRWAIAYKYPPEEAQTKLLDIRVNVGRTGRITPFAFMTPVKVAG STVGQATLHNASEIKRKGVLIGDTVVIRKAGDVIPEVLGPVVELRDGSEREFIMPTTCPE CGSPLAPEKEGDADIRCPNARGCPGQLRERVFHVASRNGLDIEVLGYEAGVALLQAKVIA DEGELFALTERDLLRTDLFRTKAGELSANGKRLLVNLDKAKAAPLWRVLVALSIRHVGPT AARALATEFGSLDAIAAASTDQLAAVEGVGPTIAAAVTEWFAVDWHREIVDKWRAAGVRM VDERDESVPRTLAGLTIVVTGSLTGFSRDDAKEAIVARGGKAAGSVSKKTNYVVAGDSPG SKYDKAVELGVPILDEDGFRRLLADGPASRT
experiment.sample.molecule[0].mw76.079
experiment.sample.molecule[0].total_mw76.079
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.name50 mM Tris-HCl, 200 mM NaCl, 2 mM β-mercaptoethanol
experiment.sample.buffer.concentration_unitnull
experiment.sample.buffer.commentnull
experiment.sample.buffer.additivenull
experiment.sample.buffer.concentrationnull
experiment.sample.buffer.pkanull
experiment.sample.buffer.ph8.0
experiment.sample.buffer.deuterationnull
experiment.sample.purity_methodnull
experiment.sample.nameMycobacterium tuberculosis DNA Ligase A
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].addressIndia
experiment.contributor[0].affiliation[0].full_nameCSIR - Central Drug Research Institute
experiment.contributor[0].affiliation[0].webpagehttps://cdri.res.in/
experiment.contributor[0].contributor_nameRavishankar
experiment.contributor[0].contributor_surnameRamachandran
experiment.contributor[0].orcid
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2017-05-13
experiment.storage_temperature4.0
experiment.cell_temperature10.0
experiment.exposure_time1.0
experiment.number_of_frames10
experiment.wavelength0.081
experiment.sample_detector_distance1.1
experiment.concentration_minnull
experiment.concentration_max1.3
experiment.sample_volumenull
experiment.flow_ratenull
experiment.s_min0.031
experiment.s_max4.944
experiment.total_exposure_timenull
experiment.seccolumnnull
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fits[0].models[0].softwareDAMFILT
fits[0].models[0].pdb_link[]
fits[0].models[0].model_titlenull
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fits[0].models[0].bead_radius4.25
fits[0].models[0].lognull
fits[0].models[0].symmetrynull
fits[0].models[0].commentnull
fits[0].models[0].user328
fits[0].fit_unit1/A
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fits[0].softwareDAMMIF
fits[0].chi_square_value1.254
fits[0].p_value0.077161
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fits[0].software_versionnull
fits[0].descriptionnull
estimated_volume_methodnull
pddf_softwareATSAS GNOM
pddf_software_version5.0
i0_calibration_standardnull
descriptionThe model displayed in this entry is a DAMFILT averaged spatial representation obtained from an unknown number of individual DAM reconstructions.
experiment_descriptionSynchrotron SAXS data from solutions of Mycobacterium tuberculosis DNA Ligase A in 50 mM Tris-HCl 200 mM NaCl 2mM β-mercaptoethanol, pH 8 were collected on the BM29 beam line at the ESRF (Grenoble, France) using a Pilatus 1M detector at a sample-detector distance of 1.1 m and at a wavelength of λ = 0.081 nm (l(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One solute concentration of 1.30 mg/ml was measured at 10°C. 10 successive 1 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.
tags[]
intensity_unitnull
experimental_mw121.3
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mwnull
porod_mw_errornull
pddf_i010.82
pddf_i0_errornull
guinier_i010.84
guinier_i0_error0.093
pddf_rg5.197
pddf_rg_errornull
guinier_rg5.21
guinier_rg_error0.62
pddf_dmax16.7
pddf_dmax_errornull
porod_volume870.0
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first12
guinier_point_last47
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDDN9_datloglog_img.png
symmetrynull
last_modified2020-08-13T15:34:54.858626+02:00
bragg_peak[]
manifest.json:36 field values
Field pathRaw value
codeSASDDN9
statussuccess
started_at2026-08-11T16:34:43.277375+00:00
finished_at2026-08-11T16:34:51.761123+00:00
source_last_modified2020-08-13T15:34:54.858626+02:00
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View the complete summary.json source
{
  "code": "SASDDN9",
  "status": "Published",
  "type_of_curve": "Single concentration",
  "angular_unit": "1/nm",
  "project": {
    "title": "M. tuberculosis class II apurinic/ apyrimidinic-endonuclease/3'-5' exonuclease (XthA) engages with NAD+-dependent DNA ligase A (LigA) to counter futile cleavage and ligation cycles in base excision repair.",
    "publication": {
      "title": "M. tuberculosis class II apurinic/ apyrimidinic-endonuclease/3'-5' exonuclease (XthA) engages with NAD+-dependent DNA ligase A (LigA) to counter futile cleavage and ligation cycles in base excision repair.",
      "author_list": "Khanam T, Afsar M, Shukla A, Alam F, Kumar S, Soyar H, Dolma K, Pasupuleti M, Srivastava KK, Ampapathi RS, Ramachandran R",
      "journal": "Nucleic Acids Res",
      "doi": "10.1093/nar/gkaa188",
      "pmid": "32232338",
      "published_date": "2020 Mar 30"
    },
    "status": "released",
    "submitted_date": "2018-09-06",
    "released_date": "2019-05-28"
  },
  "pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDDN9.out",
  "intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDDN9.dat",
  "intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDDN9_dat_img.png",
  "intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDDN9_kratky_img.png",
  "pddf_plot": "https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDDN9_pofr_img.png",
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        "name": "Pilatus 1M",
        "resolution": 172.0
      },
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      "country": "France",
      "beamline_name": "BM29",
      "beam_geometry": "",
      "type_of_source": "X-ray synchrotron",
      "point_source": null,
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      "line_collimation_integrationwidth": null,
      "xray_energy": null,
      "beam_profile_ah": null,
      "beam_profile_al": null
    },
    "sample": {
      "molecule": [
        {
          "long_name": "DNA ligase A",
          "short_name": "LigA",
          "sequence": "VSSPDADQTAPEVLRQWQALAEEVREHQFRYYVRDAPIISDAEFDELLRRLEALEEQHPELRTPDSPTQLVGGAGFATDFEPVDHLERMLSLDNAFTADELAAWAGRIHAEVGDAAHYLCELKIDGVALSLVYREGRLTRASTRGDGRTGEDVTLNARTIADVPERLTPGDDYPVPEVLEVRGEVFFRLDDFQALNASLVEEGKAPFANPRNSAAGSLRQKDPAVTARRRLRMICHGLGHVEGFRPATLHQAYLALRAWGLPVSEHTTLATDLAGVRERIDYWGEHRHEVDHEIDGVVVKVDEVALQRRLGSTSRAPRWAIAYKYPPEEAQTKLLDIRVNVGRTGRITPFAFMTPVKVAGSTVGQATLHNASEIKRKGVLIGDTVVIRKAGDVIPEVLGPVVELRDGSEREFIMPTTCPECGSPLAPEKEGDADIRCPNARGCPGQLRERVFHVASRNGLDIEVLGYEAGVALLQAKVIADEGELFALTERDLLRTDLFRTKAGELSANGKRLLVNLDKAKAAPLWRVLVALSIRHVGPTAARALATEFGSLDAIAAASTDQLAAVEGVGPTIAAAVTEWFAVDWHREIVDKWRAAGVRMVDERDESVPRTLAGLTIVVTGSLTGFSRDDAKEAIVARGGKAAGSVSKKTNYVVAGDSPGSKYDKAVELGVPILDEDGFRRLLADGPASRTHHHHHH",
          "organism": "Mycobacterium tuberculosis",
          "uniprot_code": "P9WNV1",
          "uniprot_range_first": 1,
          "uniprot_range_last": 691,
          "oligomerization": "monomer",
          "molecular_type": "protein",
          "uniprot_sequence": "MSSPDADQTAPEVLRQWQALAEEVREHQFRYYVRDAPIISDAEFDELLRRLEALEEQHPE\nLRTPDSPTQLVGGAGFATDFEPVDHLERMLSLDNAFTADELAAWAGRIHAEVGDAAHYLC\nELKIDGVALSLVYREGRLTRASTRGDGRTGEDVTLNARTIADVPERLTPGDDYPVPEVLE\nVRGEVFFRLDDFQALNASLVEEGKAPFANPRNSAAGSLRQKDPAVTARRRLRMICHGLGH\nVEGFRPATLHQAYLALRAWGLPVSEHTTLATDLAGVRERIDYWGEHRHEVDHEIDGVVVK\nVDEVALQRRLGSTSRAPRWAIAYKYPPEEAQTKLLDIRVNVGRTGRITPFAFMTPVKVAG\nSTVGQATLHNASEIKRKGVLIGDTVVIRKAGDVIPEVLGPVVELRDGSEREFIMPTTCPE\nCGSPLAPEKEGDADIRCPNARGCPGQLRERVFHVASRNGLDIEVLGYEAGVALLQAKVIA\nDEGELFALTERDLLRTDLFRTKAGELSANGKRLLVNLDKAKAAPLWRVLVALSIRHVGPT\nAARALATEFGSLDAIAAASTDQLAAVEGVGPTIAAAVTEWFAVDWHREIVDKWRAAGVRM\nVDERDESVPRTLAGLTIVVTGSLTGFSRDDAKEAIVARGGKAAGSVSKKTNYVVAGDSPG\nSKYDKAVELGVPILDEDGFRRLLADGPASRT",
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          "total_mw": 76.079,
          "number_molecules": 1,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": null
        }
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      "buffer": {
        "name": "50 mM Tris-HCl, 200 mM NaCl, 2 mM β-mercaptoethanol",
        "concentration_unit": null,
        "comment": null,
        "additive": null,
        "concentration": null,
        "pka": null,
        "ph": 8.0,
        "deuteration": null
      },
      "purity_method": null,
      "name": "Mycobacterium tuberculosis DNA Ligase A",
      "ext_coefficient": null,
      "contrast": null,
      "specific_vol": null,
      "dry_vol": null,
      "absorbption": null,
      "deuteration": null,
      "mixture": null
    },
    "contributor": [
      {
        "affiliation": [
          {
            "short_name": null,
            "address": "India",
            "full_name": "CSIR - Central Drug Research Institute",
            "webpage": "https://cdri.res.in/"
          }
        ],
        "contributor_name": "Ravishankar",
        "contributor_surname": "Ramachandran",
        "orcid": ""
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    "concentration_method": null,
    "concentration_unit": null,
    "date": "2017-05-13",
    "storage_temperature": 4.0,
    "cell_temperature": 10.0,
    "exposure_time": 1.0,
    "number_of_frames": 10,
    "wavelength": 0.081,
    "sample_detector_distance": 1.1,
    "concentration_min": null,
    "concentration_max": 1.3,
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    "total_exposure_time": null,
    "seccolumn": null
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          "software_version": null,
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          "bead_radius": 4.25,
          "log": null,
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          "comment": null,
          "user": 328
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      "fit_unit": "1/A",
      "fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDDN9_fit1_fixed_fit_img.png",
      "software": "DAMMIF",
      "chi_square_value": 1.254,
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      "fit_residual_plot": "SASDDN9_fit1_fitresiduals_img.png",
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  "i0_calibration_standard": null,
  "description": "The model displayed in this entry is a DAMFILT averaged spatial representation obtained from an unknown number of individual DAM reconstructions.",
  "experiment_description": "Synchrotron SAXS data from solutions of Mycobacterium tuberculosis DNA Ligase A in 50 mM Tris-HCl 200 mM NaCl 2mM β-mercaptoethanol, pH 8 were collected on the BM29 beam line at the ESRF (Grenoble, France) using a Pilatus 1M detector at a sample-detector distance of 1.1 m and at a wavelength of λ = 0.081 nm (l(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One solute concentration of 1.30 mg/ml was measured at 10°C. 10 successive 1 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.",
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  "experimental_mw_error": null,
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  "intensities_log_log_plot": "SASDDN9_datloglog_img.png",
  "symmetry": null,
  "last_modified": "2020-08-13T15:34:54.858626+02:00",
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}
View the complete manifest.json source
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