SASDVC9

7SK small nuclear RNA State A Low Magnesium Concentration Ensemble

Data type: SASBDB experimental data Status: Published Curve type: SEC-SAS Last updated: 2025-08-03T14:05:41.804239+02:00
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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · 7SK small nuclear RNA State A Low Magnesium Concentration Ensemble

Concentration— – 1.0 Buffer / pH10 mM Bis-Tris, 100 mM NaCl, 15 mM KCl, 5% Glycerol, 3 mM MgCl2 / 5.5
Experimental temperature20.0 Facility / beamlineDiamond Light Source / B21
Wavelength0.094 nmExposure3.0 s × 600

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
RNA component of 7SK nuclear ribonucleoprotein
View sequence
>NC_000006.12:52995620-52995951HOMOSAPIENSCHROMOSOME6,GRCH38.P14PRIMARYASSEMBLYGGAUGUGAGGGCGAUCUGGCUGCGACAUCUGUCACCCCAUUGAUCGCCAGGGUUGAUUCGGCUGAUCUGGCUGGCUAGGCGGGUGUCCCCUUCCUCCCUCACCGCUCCAUGUGCGUCCCUCCCGAAGCUGCGCGCUCGGUCGAAGAGGACGACCAUCCCCGAUAGAGGAGGACCGGUCUUCGGUCAAGGGUAUACGAGUAGCUGCGCUCCCCUGCUAGAACCUCCAAACAAGCUCUCAAGGUCCAUUUGUAGGAGAACGUAGGGUAGUCAAGCUUCCAAGACUCCAGACACAUCCAAAUGAGGCGCUGCAUGUGGCAGUCUGCCUUUCUUUU
RNAHomo sapiens——–—monomerMolecule count 1106.696 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
12573[3]0.0045–0.34 1/AHas uncertainty columnMissing 0319sasbdb/entries/c9/sasdvc9/source/SASDVC9.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)23.18—Å
i0Guinier0.0596859—arbitrary
i0P(r)0.05668—arbitrary
mwExperimental106.61—kDa
mwPorod143.0—kDa
porod_volumePorod600.0—ų
rgGuinier7.9690.622Å
rgP(r)7.68—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 name10 mM Bis-Tris, 100 mM NaCl, 15 mM KCl, 5% Glycerol, 3 mM MgCl2Buffer concentration—
pH5.5Additives—
Buffer descriptionHigh RNA Folding Buffer
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2024-06-21Storage / measurement temperature-80.0 / 20.0
Exposure time3.0Frames600
Wavelength0.094Sample-to-detector distance3.7
SourceX-ray synchrotronDetectorEiger 4M
Facility / beamlineDiamond Light Source / B21 · Didcot, UK
q range0.045 – 3.4Sample volume / flow rate60.0 / 0.16

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:202 field values
Field pathRaw value
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statusPublished
type_of_curveSEC-SAS
angular_unit1/A
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project.publication.titleSolution Structure Determination and Biophysical Studies of 7SK RNP and 7SL SRP RNAs.
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project.publication.journalRNA
project.publication.doi10.1261/rna.080414.125
project.publication.pmid40744708
project.publication.published_date2025 Jul 31
project.statusreleased
project.submitted_date2024-11-07
project.released_date2025-08-03
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experiment.instrument.detector.resolution75.0
experiment.instrument.nameDiamond Light Source
experiment.instrument.cityDidcot
experiment.instrument.countryUK
experiment.instrument.beamline_nameB21
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experiment.instrument.type_of_sourceX-ray synchrotron
experiment.instrument.point_sourcenull
experiment.instrument.line_collimationnull
experiment.instrument.sample_path_lengthnull
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experiment.instrument.xray_energynull
experiment.instrument.beam_profile_ahnull
experiment.instrument.beam_profile_alnull
experiment.sample.molecule[0].long_nameRNA component of 7SK nuclear ribonucleoprotein
experiment.sample.molecule[0].short_name7SK snRNA
experiment.sample.molecule[0].sequence>NC_000006.12:52995620-52995951 Homo sapiens chromosome 6, GRCh38.p14 Primary Assembly GGAUGUGAGGGCGAUCUGGCUGCGACAUCUGUCACCCCAUUGAUCGCCAGGGUUGAUUCGGCUGAUCUGGCUGGCUAGGCGGGUGUCCCCUUCCUCCCUCACCGCUCCAUGUGCGUCCCUCCCGAAGCUGCGCGCUCGGUCGAAGAGGACGACCAUCCCCGAUAGAGGAGGACCGGUCUUCGGUCAAGGGUAUACGAGUAGCUGCGCUCCCCUGCUAGAACCUCCAAACAAGCUCUCAAGGUCCAUUUGUAGGAGAACGUAGGGUAGUCAAGCUUCCAAGACUCCAGACACAUCCAAAUGAGGCGCUGCAUGUGGCAGUCUGCCUUUCUUUU
experiment.sample.molecule[0].organismHomo sapiens
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_typeRNA
experiment.sample.molecule[0].uniprot_sequence
experiment.sample.molecule[0].mw106.696
experiment.sample.molecule[0].total_mw106.696
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
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experiment.sample.buffer.concentration_unitnull
experiment.sample.buffer.commentHigh RNA Folding Buffer
experiment.sample.buffer.additivenull
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experiment.sample.buffer.pkanull
experiment.sample.buffer.ph5.5
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experiment.sample.name7SK small nuclear RNA State A Low Magnesium Concentration Ensemble
experiment.sample.ext_coefficientnull
experiment.sample.contrastnull
experiment.sample.specific_volnull
experiment.sample.dry_volnull
experiment.sample.absorbptionnull
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experiment.sample.mixturenull
experiment.contributor[0].affiliation[0].short_namenull
experiment.contributor[0].affiliation[0].addressLethbridge, AB, Canada
experiment.contributor[0].affiliation[0].full_nameUniversity of Lethbridge
experiment.contributor[0].affiliation[0].webpagehttp://www.uleth.ca/
experiment.contributor[0].contributor_nameTrushar
experiment.contributor[0].contributor_surnamePatel
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experiment.date2024-06-21
experiment.storage_temperature-80.0
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experiment.exposure_time3.0
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experiment.wavelength0.094
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tags[]
intensity_unitarbitrary
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experimental_mw_errornull
guinier_i0_mwnull
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last_modified2025-08-03T14:05:41.804239+02:00
bragg_peak[]
manifest.json:34 field values
Field pathRaw value
codeSASDVC9
statussuccess
started_at2026-08-11T16:11:40.002388+00:00
finished_at2026-08-11T16:11:48.543368+00:00
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View the complete summary.json source
{
  "code": "SASDVC9",
  "status": "Published",
  "type_of_curve": "SEC-SAS",
  "angular_unit": "1/A",
  "project": {
    "title": "Solution Structure Determination and Biophysical Studies of 7SK RNP and 7SL SRP RNAs.",
    "publication": {
      "title": "Solution Structure Determination and Biophysical Studies of 7SK RNP and 7SL SRP RNAs.",
      "author_list": "D'Souza MH, Pereira HS, Tersteeg S, Vasudeva G, Siddiqui MQ, Agunlejika T, Kerr L, Girodat D, Patel T",
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      "doi": "10.1261/rna.080414.125",
      "pmid": "40744708",
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