SASDGE3

DNA-binding protein HU-alpha, E34K mutant bound to 80 bp DNA (pH 7.5)

Data type: SASBDB experimental data Status: Published Curve type: Single concentration Last updated: 2020-06-22T11:00:53.614275+02:00
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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · DNA-binding protein HU-alpha, E34K mutant bound to 80 bp DNA (pH 7.5)

Concentration— – — Buffer / pH10 mM Bis-Tris, 50 mM NaCl / 7.5
Experimental temperature10.0 Facility / beamlineAdvanced Light Source (ALS) / 12.3.1 (SIBYLS)
Wavelength0.103 nmExposure3.0 s × 300

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
80bp_DNA Forward
View sequence
AATGAGGTAACAACGAAAGCAGATGATAGCTGCTTATCAATTTGTTGCAAACAAGTAGCCGCGCCCAATGAGGTAACAAT
DNAEscherichia coli——–—monomerMolecule count 124.849 kDa
80bp_DNA Reverse
View sequence
TTACTCCATTGTTGCTTTCGTCTACTATCGACGAATAGTTAAACAACGTTTGTTCATCGGCGCGGGTTACTCCATTGTTA
DNAEscherichia coli——–—monomerMolecule count 124.612 kDa
DNA-binding protein HU-alpha, E34K
View sequence
MNKTQLIDVIAEKAELSKTQAKAALESTLAAITKSLKEGDAVQLVGFGTFKVNHRAERTGRNPQTGKEIKIAAANVPAFVSGKALKDAVK
proteinEscherichia coli——–—otherMolecule count 169.534 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
1690[3]0.008083–0.392086 1/AHas uncertainty columnMissing 02sasbdb/entries/e3/sasdge3/source/SASDGE3.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)27.5—Å
i0Guinier391.064.4arbitrary
i0P(r)384.9—arbitrary
mwExperimental157.0—kDa
porod_volumePorod309.0—ų
rgGuinier7.1327.57Å
rgP(r)7.53—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 name10 mM Bis-Tris, 50 mM NaClBuffer concentration—
pH7.5Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2018-11-02Storage / measurement temperature10.0 / 10.0
Exposure time3.0Frames300
Wavelength0.103Sample-to-detector distance1.5
SourceX-ray synchrotronDetectorPilatus3 X 2M
Facility / beamlineAdvanced Light Source (ALS) / 12.3.1 (SIBYLS) · Berkeley, CA, USA
q range0.081 – 3.921Sample 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:168 field values
Field pathRaw value
codeSASDGE3
statusPublished
type_of_curveSingle concentration
angular_unit1/A
project.titleNucleoid remodeling during environmental adaptation is regulated by HU-dependent DNA bundling.
project.publication.titleNucleoid remodeling during environmental adaptation is regulated by HU-dependent DNA bundling.
project.publication.author_listRemesh SG, Verma SC, Chen JH, Ekman AA, Larabell CA, Adhya S, Hammel M
project.publication.journalNat Commun
project.publication.doi10.1038/s41467-020-16724-5
project.publication.pmid32518228
project.publication.published_date2020 Jun 9
project.statusreleased
project.submitted_date2019-04-26
project.released_date2020-04-21
pddf_datahttps://www.sasbdb.org/media/p_of_R_files/SASDGE3.out
intensities_datahttps://www.sasbdb.org/media/intensities_files/SASDGE3.dat
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sascif_datahttps://www.sasbdb.org/media/sascif/sascif_files/SASDGE3.sascif
experiment.instrument.detector.typenull
experiment.instrument.detector.namePilatus3 X 2M
experiment.instrument.detector.resolution172.0
experiment.instrument.nameAdvanced Light Source (ALS)
experiment.instrument.cityBerkeley, CA
experiment.instrument.countryUSA
experiment.instrument.beamline_name12.3.1 (SIBYLS)
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_name80bp_DNA Forward
experiment.sample.molecule[0].short_namenull
experiment.sample.molecule[0].sequenceAATGAGGTAACAACGAAAGCAGATGATAGCTGCTTATCAATTTGTTGCAAACAAGTAGCCGCGCCCAATGAGGTAACAAT
experiment.sample.molecule[0].organismEscherichia coli
experiment.sample.molecule[0].uniprot_codenull
experiment.sample.molecule[0].uniprot_range_firstnull
experiment.sample.molecule[0].uniprot_range_lastnull
experiment.sample.molecule[0].oligomerizationmonomer
experiment.sample.molecule[0].molecular_typeDNA
experiment.sample.molecule[0].uniprot_sequencenull
experiment.sample.molecule[0].mw24.849
experiment.sample.molecule[0].total_mw24.849
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.molecule[1].long_name80bp_DNA Reverse
experiment.sample.molecule[1].short_namenull
experiment.sample.molecule[1].sequenceTTACTCCATTGTTGCTTTCGTCTACTATCGACGAATAGTTAAACAACGTTTGTTCATCGGCGCGGGTTACTCCATTGTTA
experiment.sample.molecule[1].organismEscherichia coli
experiment.sample.molecule[1].uniprot_codenull
experiment.sample.molecule[1].uniprot_range_firstnull
experiment.sample.molecule[1].uniprot_range_lastnull
experiment.sample.molecule[1].oligomerizationmonomer
experiment.sample.molecule[1].molecular_typeDNA
experiment.sample.molecule[1].uniprot_sequencenull
experiment.sample.molecule[1].mw24.612
experiment.sample.molecule[1].total_mw24.612
experiment.sample.molecule[1].number_molecules1
experiment.sample.molecule[1].complex_stateFalse
experiment.sample.molecule[1].deuterationnull
experiment.sample.molecule[1].molecule_sourcebiological
experiment.sample.molecule[1].molecule_descriptionnull
experiment.sample.molecule[2].long_nameDNA-binding protein HU-alpha, E34K
experiment.sample.molecule[2].short_namenull
experiment.sample.molecule[2].sequenceMNKTQLIDVI AEKAELSKTQ AKAALESTLA AITKSLKEGD AVQLVGFGTF KVNHRAERTG RNPQTGKEIK IAAANVPAFV SGKALKDAVK
experiment.sample.molecule[2].organismEscherichia coli
experiment.sample.molecule[2].uniprot_codenull
experiment.sample.molecule[2].uniprot_range_firstnull
experiment.sample.molecule[2].uniprot_range_lastnull
experiment.sample.molecule[2].oligomerizationother
experiment.sample.molecule[2].molecular_typeprotein
experiment.sample.molecule[2].uniprot_sequencenull
experiment.sample.molecule[2].mw9.534
experiment.sample.molecule[2].total_mw100.0
experiment.sample.molecule[2].number_molecules16
experiment.sample.molecule[2].complex_stateFalse
experiment.sample.molecule[2].deuterationnull
experiment.sample.molecule[2].molecule_sourcebiological
experiment.sample.molecule[2].molecule_descriptionnull
experiment.sample.buffer.name10 mM Bis-Tris, 50 mM NaCl
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.nameDNA-binding protein HU-alpha, E34K mutant bound to 80 bp DNA (pH 7.5)
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_nameUCSF
experiment.contributor[0].affiliation[0].addressSan Francisco, CA, USA
experiment.contributor[0].affiliation[0].full_nameUniversity of California, San Francisco (UCSF)
experiment.contributor[0].affiliation[0].webpagehttps://www.ucsf.edu/
experiment.contributor[0].contributor_nameSoumya
experiment.contributor[0].contributor_surnameG Remesh
experiment.contributor[0].orcid
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2018-11-02
experiment.storage_temperature10.0
experiment.cell_temperature10.0
experiment.exposure_time3.0
experiment.number_of_frames300
experiment.wavelength0.103
experiment.sample_detector_distance1.5
experiment.concentration_minnull
experiment.concentration_maxnull
experiment.sample_volumenull
experiment.flow_ratenull
experiment.s_min0.081
experiment.s_max3.921
experiment.total_exposure_timenull
experiment.seccolumnnull
fits[]
estimated_volume_methodnull
pddf_softwareATSAS GNOM
pddf_software_version5.0
i0_calibration_standardnull
descriptionnull
experiment_descriptionSynchrotron SAXS data from solutions of DNA-binding protein HU-alpha (E34K mutant) bound to 80 bp DNA in 10 mM Bis-Tris, 50 mM NaCl, pH 7.5 were collected on the 12.3.1 (SIBYLS) beam line at the Advanced Light Source (ALS) storage ring (Berkeley, CA, USA) using a Pilatus3 X 2M detector at a sample-detector distance of 1.5 m and at a wavelength of λ = 0.103 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). 300 successive 3 second frames were collected at 10°C. 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_mw157.0
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mwnull
porod_mw_errornull
pddf_i0384.9
pddf_i0_errornull
guinier_i0391.06
guinier_i0_error4.4
pddf_rg7.53
pddf_rg_errornull
guinier_rg7.132
guinier_rg_error7.57
pddf_dmax27.5
pddf_dmax_errornull
porod_volume309.0
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first3
guinier_point_last19
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDGE3_datloglog_img.png
symmetrynull
last_modified2020-06-22T11:00:53.614275+02:00
bragg_peak[]
manifest.json:36 field values
Field pathRaw value
codeSASDGE3
statussuccess
started_at2026-08-11T16:53:01.936309+00:00
finished_at2026-08-11T16:53:09.930693+00:00
source_last_modified2020-06-22T11:00:53.614275+02:00
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View the complete summary.json source
{
  "code": "SASDGE3",
  "status": "Published",
  "type_of_curve": "Single concentration",
  "angular_unit": "1/A",
  "project": {
    "title": "Nucleoid remodeling during environmental adaptation is regulated by HU-dependent DNA bundling.",
    "publication": {
      "title": "Nucleoid remodeling during environmental adaptation is regulated by HU-dependent DNA bundling.",
      "author_list": "Remesh SG, Verma SC, Chen JH, Ekman AA, Larabell CA, Adhya S, Hammel M",
      "journal": "Nat Commun",
      "doi": "10.1038/s41467-020-16724-5",
      "pmid": "32518228",
      "published_date": "2020 Jun 9"
    },
    "status": "released",
    "submitted_date": "2019-04-26",
    "released_date": "2020-04-21"
  },
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          "long_name": "80bp_DNA Forward",
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          "sequence": "AATGAGGTAACAACGAAAGCAGATGATAGCTGCTTATCAATTTGTTGCAAACAAGTAGCCGCGCCCAATGAGGTAACAAT",
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          "uniprot_code": null,
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          "uniprot_code": null,
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          "molecular_type": "protein",
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          "number_molecules": 16,
          "complex_state": false,
          "deuteration": null,
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          "molecule_description": null
        }
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      },
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      "name": "DNA-binding protein HU-alpha, E34K mutant bound to 80 bp DNA (pH 7.5)",
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        "orcid": ""
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View the complete manifest.json source
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