SASDBJ9

Geobacillus stearothermophilus DnaB1-300

Data type: SASBDB experimental data Status: Published Curve type: Merged Last updated: 2021-12-03T19:22:21.480997+01:00
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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Geobacillus stearothermophilus DnaB1-300

Concentration10.0 – 18.0 Buffer / pH20 mM Tris, 300 mM NaCl and 5 mM β-ME / 8.0
Experimental temperature15.0 Facility / beamlineTaiwan Photon Source, NSRRC / 23A
Wavelength0.08285 nmExposure30.0 s × 13

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Geobacillus stearothermophilus DnaB1-300
View sequence
MQHHWKELIAVDRYTVQSRGVLQEVDRKVLTLLYQPLIGCRALALYMTLWGELELLDGQEATHHRLMALMQCGLPDIYSERLKLEGIGLLDTYVHAKEADEPKLFLYELRPPLAPDQFFRDEMLSVFLRRQVGRHLFIQLSNFFARPSIDETKFTQVTRSFSDVFSAVPAEQIVAGLSEEAGPELLEGKDHIRRDEASYVLDDGVFDFELFFAGLSKQLVPRRAVTAKVKEAIKKLAFLYGIPPLEMQKLVLGVIDPAYHIDIDALRRAAREWYELEHGGVEPRLVERVQPLAYRTMENI
proteinGeobacillus stearothermophilusA0A0K2H6I11–300tetramerMolecule count 434.508 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
1244[3]0.00751–0.3526 1/AHas uncertainty columnMissing 00sasbdb/entries/j9/sasdbj9/source/SASDBJ9.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)11.0—Å
i0Guinier0.868——
i0P(r)0.868——
mwExperimental34.547—kDa
mwGuinier I(0)128.78—kDa
porod_volumePorod314.75—ų
rgGuinier3.542—Å
rgP(r)3.544—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, 300 mM NaCl and 5 mM β-MEBuffer concentration—
pH8.0Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2015-10-18Storage / measurement temperature— / 15.0
Exposure time30.0Frames13
Wavelength0.08285Sample-to-detector distance—
SourceX-ray synchrotronDetectorFlat Panel sensor C10158DK-3957(X)
Facility / beamlineTaiwan Photon Source, NSRRC / 23A · Hsinchu, Taiwan
q range0.075 – 3.526Sample 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

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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
codeSASDBJ9
statusPublished
type_of_curveMerged
angular_unit1/A
project.titleStructural analyses of the bacterial primosomal protein DnaB reveal that it is a tetramer and forms a complex with a primosomal re-initiation protein.
project.publication.titleStructural analyses of the bacterial primosomal protein DnaB reveal that it is a tetramer and forms a complex with a primosomal re-initiation protein.
project.publication.author_listLi YC, Naveen V, Lin MG, Hsiao CD
project.publication.journalJ Biol Chem
project.publication.doi10.1074/jbc.M117.792002
project.publication.pmid28808061
project.publication.published_date2017 Sep 22
project.statusreleased
project.submitted_date2017-01-04
project.released_date2018-01-23
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experiment.instrument.detector.resolution50.0
experiment.instrument.nameTaiwan Photon Source, NSRRC
experiment.instrument.cityHsinchu
experiment.instrument.countryTaiwan
experiment.instrument.beamline_name23A
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experiment.sample.molecule[0].long_nameGeobacillus stearothermophilus DnaB1-300
experiment.sample.molecule[0].short_nameGstDnaB1-300
experiment.sample.molecule[0].sequenceMQHHWKELIAVDRYTVQSRGVLQEVDRKVLTLLYQPLIGCRALALYMTLWGELELLDGQEATHHRLMALM QCGLPDIYSERLKLEGIGLLDTYVHAKEADEPKLFLYELRPPLAPDQFFRDEMLSVFLRRQVGRHLFIQL SNFFARPSIDETKFTQVTRSFSDVFSAVPAEQIVAGLSEEAGPELLEGKDHIRRDEASYVLDDGVFDFEL FFAGLSKQLVPRRAVTAKVKEAIKKLAFLYGIPPLEMQKLVLGVIDPAYHIDIDALRRAAREWYELEHGG VEPRLVERVQPLAYRTMENI
experiment.sample.molecule[0].organismGeobacillus stearothermophilus
experiment.sample.molecule[0].uniprot_codeA0A0K2H6I1
experiment.sample.molecule[0].uniprot_range_first1
experiment.sample.molecule[0].uniprot_range_last300
experiment.sample.molecule[0].oligomerizationtetramer
experiment.sample.molecule[0].molecular_typeprotein
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experiment.sample.molecule[0].number_molecules4
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experiment.sample.buffer.name20 mM Tris, 300 mM NaCl and 5 mM β-ME
experiment.sample.buffer.concentration_unitnull
experiment.sample.buffer.commentnull
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experiment.contributor[0].affiliation[0].short_namenull
experiment.contributor[0].affiliation[0].addressTaipei, Taiwan
experiment.contributor[0].affiliation[0].full_nameAcademia Sinica
experiment.contributor[0].affiliation[0].webpagehttps://www.sinica.edu.tw
experiment.contributor[0].contributor_nameYiChing
experiment.contributor[0].contributor_surnameLi
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experiment_descriptionSynchrotron SAXS data from solutions of Geobacillus stearothermophilus DnaB1-300 in 20 mM Tris, 300 mM NaCl and 5 mM β-ME, pH 8 were collected on the 23A beam line at the Taiwan Photon Source storage ring (NSRRC, Hsinchu, Taiwan) using a Flat Panel sensor C10158DK-3957(X) detector at a wavelength of λ = 0.08285 nm (I(s) vs s, where s = 4πsinθ/λ and 2θ is the scattering angle). Solute concentrations ranging between 10 and 18 mg/ml were measured at 15°C. 13 successive 30 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 and the different curves were scaled for protein concentration. The low angle data collected at lower concentration were merged with the highest concentration high angle data to yield the final composite scattering curve.
tags[]
intensity_unitnull
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experimental_mw_errornull
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guinier_i0_mw_errornull
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pddf_i0_errornull
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guinier_i0_errornull
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pddf_rg_errornull
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guinier_rg_errornull
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pddf_dmax_errornull
porod_volume314.75
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_firstnull
guinier_point_lastnull
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDBJ9_datloglog_img.png
symmetrynull
last_modified2021-12-03T19:22:21.480997+01:00
bragg_peak[]
manifest.json:36 field values
Field pathRaw value
codeSASDBJ9
statussuccess
started_at2026-08-11T16:15:34.032251+00:00
finished_at2026-08-11T16:15:42.214976+00:00
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View the complete summary.json source
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  "status": "Published",
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    "title": "Structural analyses of the bacterial primosomal protein DnaB reveal that it is a tetramer and forms a complex with a primosomal re-initiation protein.",
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      "title": "Structural analyses of the bacterial primosomal protein DnaB reveal that it is a tetramer and forms a complex with a primosomal re-initiation protein.",
      "author_list": "Li YC, Naveen V, Lin MG, Hsiao CD",
      "journal": "J Biol Chem",
      "doi": "10.1074/jbc.M117.792002",
      "pmid": "28808061",
      "published_date": "2017 Sep 22"
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View the complete manifest.json source
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