SASDVN4

Immunoglobulin light chain H18

Data type: SASBDB experimental data Status: Published Curve type: SEC-SAS Last updated: 2025-02-24T14:43:25.100793+01:00
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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Immunoglobulin light chain H18

Concentration— – 6.7 Buffer / pH20 mM TrisHCL, 150 mM NaCl / 8.0
Experimental temperature10.0 Facility / beamlineESRF / BM29
Wavelength0.099 nmExposure2.0 s × 1400

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Immunoglobulin light chain H18
View sequence
VSVALGQIVTITCQGDSLRTYYASWYQQKPGQAPVLVIYNQDHRPSGIPDRFSGSSSGNTASLTIAGAQANDEADYYCNSRDSSGNLVLFGGGTKLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPT
proteinHomo sapiens——–—dimerMolecule count 221.448 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
11000[3]0.04401839–5.205441 1/nmHas uncertainty columnMissing 05sasbdb/entries/n4/sasdvn4/source/SASDVN4.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)8.2—nm
i0Guinier19.7252—arbitrary
i0P(r)19.66—arbitrary
mwExperimental42.9—kDa
mwPorod36.2—kDa
porod_volumePorod57.9—nm³
rgGuinier2.610.013nm
rgP(r)2.611—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 name20 mM TrisHCL, 150 mM NaClBuffer concentration—
pH8.0Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2021-07-02Storage / measurement temperature10.0 / 10.0
Exposure time2.0Frames1400
Wavelength0.099Sample-to-detector distance2.98
SourceX-ray synchrotronDetectorPilatus3 2M
Facility / beamlineESRF / BM29 · Grenoble, France
q range0.044 – 5.205Sample volume / flow rate100.0 / 0.1

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
codeSASDVN4
statusPublished
type_of_curveSEC-SAS
angular_unit1/nm
project.titleA conformational fingerprint for amyloidogenic light chains
project.publication.titleA conformational fingerprint for amyloidogenic light chains
project.publication.author_listPaissoni C, Puri S, Broggini L, Sriramoju M, Maritan M, Russo R, Speranzini V, Ballabio F, Nuvolone M, Merlini G, Palladini G, Hsu S, Ricagno S, Camilloni C
project.publication.journaleLife
project.publication.doi10.7554/eLife.102002.3
project.publication.pmidnull
project.publication.published_date2025 Mar 03
project.statusreleased
project.submitted_date2024-07-12
project.released_date2025-02-24
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experiment.instrument.detector.namePilatus3 2M
experiment.instrument.detector.resolution0.172
experiment.instrument.nameESRF
experiment.instrument.cityGrenoble
experiment.instrument.countryFrance
experiment.instrument.beamline_nameBM29
experiment.instrument.beam_geometrypoint
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_nameImmunoglobulin light chain H18
experiment.sample.molecule[0].short_nameH18
experiment.sample.molecule[0].sequenceVSVALGQIVTITCQGDSLRTYYASWYQQKPGQAPVLVIYNQDHRPSGIPDRFSGSSSGNTASLTIAGAQA NDEADYYCNSRDSSGNLVLFGGGTKLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVA WKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPT
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].oligomerizationdimer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequence
experiment.sample.molecule[0].mw21.448
experiment.sample.molecule[0].total_mw42.896
experiment.sample.molecule[0].number_molecules2
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.name20 mM TrisHCL, 150 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.ph8.0
experiment.sample.buffer.deuterationnull
experiment.sample.purity_methodnull
experiment.sample.nameImmunoglobulin light chain H18
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].addressnull
experiment.contributor[0].affiliation[0].full_nameUniversità degli studi di Milano
experiment.contributor[0].affiliation[0].webpagenull
experiment.contributor[0].contributor_nameFederico
experiment.contributor[0].contributor_surnameBallabio
experiment.contributor[0].orcidhttps://orcid.org/0000-0001-5702-3674
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2021-07-02
experiment.storage_temperature10.0
experiment.cell_temperature10.0
experiment.exposure_time2.0
experiment.number_of_frames1400
experiment.wavelength0.099
experiment.sample_detector_distance2.98
experiment.concentration_minnull
experiment.concentration_max6.7
experiment.sample_volume100.0
experiment.flow_rate0.1
experiment.s_min0.044
experiment.s_max5.205
experiment.total_exposure_timenull
experiment.seccolumn47
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fits[0].p_value0.0
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estimated_volume_methodnull
pddf_softwareATSAS GNOM
pddf_software_version5.0
i0_calibration_standardnull
descriptionnull
experiment_descriptionSynchrotron SAXS data from solutions of immunoglobulin light chain H18 in 20 mM TrisHCL, 150 mM NaCl, pH 8 were collected on the BM29 beam line at the ESRF (Grenoble, France) using a Pilatus3 2M detector at a sample-detector distance of 3.0 m and at a wavelength of λ = 0.099 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). In-line size-exclusion chromatography (SEC) SAS was employed. The SEC parameters were as follows: A 100.00 μl sample at 6.7 mg/ml was injected at a 0.10 ml/min flow rate onto a Cytiva Superdex 200 Increase 10/300 column at 10°C. 1400 successive 2 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_unitarbitrary
experimental_mw42.9
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mw36.2
porod_mw_errornull
pddf_i019.66
pddf_i0_errornull
guinier_i019.7252
guinier_i0_errornull
pddf_rg2.611
pddf_rg_errornull
guinier_rg2.61
guinier_rg_error0.013
pddf_dmax8.2
pddf_dmax_errornull
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porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
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pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
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symmetrynull
last_modified2025-02-24T14:43:25.100793+01:00
bragg_peak[]
manifest.json:34 field values
Field pathRaw value
codeSASDVN4
statussuccess
started_at2026-08-11T14:27:47.798338+00:00
finished_at2026-08-11T14:27:55.735804+00:00
source_last_modified2025-02-24T14:43:25.100793+01:00
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View the complete summary.json source
{
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  "status": "Published",
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  "angular_unit": "1/nm",
  "project": {
    "title": "A conformational fingerprint for amyloidogenic light chains",
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      "author_list": "Paissoni C, Puri S, Broggini L, Sriramoju M, Maritan M, Russo R, Speranzini V, Ballabio F, Nuvolone M, Merlini G, Palladini G, Hsu S, Ricagno S, Camilloni C",
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      "pmid": null,
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    },
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  "last_modified": "2025-02-24T14:43:25.100793+01:00",
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}
View the complete manifest.json source
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