SASDD98

Apolipoprotein E3

Data type: SASBDB experimental data Status: Published Curve type: SEC-SAS Last updated: 2019-12-06T13:07:15.624532+01:00

Concentration UNKNOWN.

▼

1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Apolipoprotein E3

Concentration	— – —	Buffer / pH	20 mM HEPES, 300 mM NaCl / 8.0
Experimental temperature	20.0	Facility / beamline	Diamond Light Source / B21
Wavelength	0.1 nm	Exposure	3.0 s × 1

Molecular Components

Component	Type / organism	UniProt and Construct	Oligomeric State	Molecular weight
Apolipoprotein E3 View sequence GPHMKVEQAVETEPEPELRQQTEWQSGQRWELALGRFWDYLRWVQTLSEQVQEELLSSQVTQELRALMDETMKELKAYKSELEEQLTPVAEETRARLSKELQAAQARLGADMEDVCGRLVQYRGEVQAMLGQSTEELRVRLASHLRKLRKRLLRDADDLQKRLAVYQAGAREGAERGLSAIRERLGPLVEQGRVRAATVGSLAGQPLQERAQAWGERLRARMEEMGSRTRDRLDEVKEQVAEVRAKLEEQAQQIRLQAEAFQARLKSWFEPLVEDMQRQWAGLVEKVQAAVGTSAAPVPSDNH	proteinHomo sapiens	P0264919–317	tetramerMolecule count 4	34.659 kDa

Experimental Curves

Curve	Points / columns	q range	Uncertainty quality	Negative-intensity points	Source file
1	1659[3]	0.0034208308–0.36955834 1/A	Has uncertainty columnMissing 0	6	sasbdb/entries/98/sasdd98/source/SASDD98.dat

▼

2. Measurements Reported by SASBDB Reported Results

Metric	Method	Value	Uncertainty	Unit
dmax	P(r)	19.5	—	Å
i0	Guinier	0.25	0.00034	arbitrary
i0	P(r)	0.2511	—	arbitrary
mw	Experimental	129.0	—	kDa
porod_volume	Porod	410.0	—	Å³
rg	Guinier	5.681	0.059	Å
rg	P(r)	5.85	—	Å

These values are reported by SASBDB; SAXSdb did not recalculate them from the experimental curve.

▼

3. Source Fits and Models Source Fits & Models

This entry has no source fit record.

▶

4. Source File Index Source Files

Category	Path	Download status	Size
curve	sasbdb/entries/98/sasdd98/source/SASDD98.dat	downloaded	67352
full_entry_zip	sasbdb/entries/98/sasdd98/source/SASDD98.zip	downloaded	30772
pddf	sasbdb/entries/98/sasdd98/source/SASDD98.out	downloaded	32658
sascif	sasbdb/entries/98/sasdd98/source/SASDD98.sascif	downloaded	117826
summary	sasbdb/entries/98/sasdd98/source/summary.json	downloaded	6346

▶

5. Experiment Description and Publication Experiment & Publication

▼

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 name	20 mM HEPES, 300 mM NaCl	Buffer concentration	—
pH	8.0	Additives	—
Buffer description	—
Purity measurement method	—	Extinction coefficient	—
Absorbance	—	Scattering contrast	—
Specific volume / dry volume	— / —	Mixture / deuteration	— / —

Acquisition Conditions and Instrument

Measurement date	2017-11-29	Storage / measurement temperature	4.0 / 20.0
Exposure time	3.0	Frames	1
Wavelength	0.1	Sample-to-detector distance	3.9
Source	X-ray synchrotron	Detector	Pilatus 2M
Facility / beamline	Diamond Light Source / B21 · Didcot, UK
q range	0.034 – 3.696	Sample volume / flow rate	— / —

Original SASBDB Plots

Downloadable Files

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full_entry_zip	sasbdb/entries/98/sasdd98/source/SASDD98.zip	downloaded	30772	5c1fb42d172731147f4d78fafd862296a7622ca9dc73af93f83335a304a7a122	DownloadView source fileSource site
pddf	sasbdb/entries/98/sasdd98/source/SASDD98.out	downloaded	32658	71b29644b93811a791d3ea8f234fab7b66d4e503c7c10ec010f8c7dbb711ba5d	DownloadView source fileSource site
sascif	sasbdb/entries/98/sasdd98/source/SASDD98.sascif	downloaded	117826	980a9fb773ebccc081f39fd8a3f8ddcbd48ef1fa7ba1f3229f5dc756f0f5be0d	DownloadView source fileSource site
summary	sasbdb/entries/98/sasdd98/source/summary.json	downloaded	6346	772f7c7bde1680787f5d817871fe1c8f238ed86a4fb60d47ca242c48da331c18	DownloadView source fileSource site

curve：source record

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full_entry_zip：source record and ZIP contents (2 items)

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pddf：source record

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sascif：source record

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summary：source record

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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：134 field values

Field path	Raw value
code	SASDD98
status	Published
type_of_curve	SEC-SAS
angular_unit	1/A
project.title	The molecular basis for Apolipoprotein E4 as the major risk factor for late onset Alzheimer's disease.
project.publication.title	The molecular basis for Apolipoprotein E4 as the major risk factor for late onset Alzheimer's disease.
project.publication.author_list	Raulin AC, Kraft L, Al-Hilaly YK, Xue WF, McGeehan JE, Atack JR, Serpell L
project.publication.journal	J Mol Biol
project.publication.doi	10.1016/j.jmb.2019.04.019
project.publication.pmid	31051176
project.publication.published_date	2019 Apr 30
project.status	released
project.submitted_date	2018-06-07
project.released_date	2019-05-09
pddf_data	https://www.sasbdb.org/media/p_of_R_files/SASDD98.out
intensities_data	https://www.sasbdb.org/media/intensities_files/SASDD98.dat
intensities_log_plot	https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDD98_dat_img.png
intensities_kratky_plot	https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDD98_kratky_img.png
pddf_plot	https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDD98_pofr_img.png
intensities_guinier_plot	https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDD98_guinier_img.png
sascif_data	https://www.sasbdb.org/media/sascif/sascif_files/SASDD98.sascif
experiment.instrument.detector.type	null
experiment.instrument.detector.name	Pilatus 2M
experiment.instrument.detector.resolution	null
experiment.instrument.name	Diamond Light Source
experiment.instrument.city	Didcot
experiment.instrument.country	UK
experiment.instrument.beamline_name	B21
experiment.instrument.beam_geometry	1 x 5 mm
experiment.instrument.type_of_source	X-ray synchrotron
experiment.instrument.point_source	null
experiment.instrument.line_collimation	null
experiment.instrument.sample_path_length	null
experiment.instrument.line_collimation_slitlength	null
experiment.instrument.line_collimation_integrationwidth	null
experiment.instrument.xray_energy	null
experiment.instrument.beam_profile_ah	null
experiment.instrument.beam_profile_al	null
experiment.sample.molecule[0].long_name	Apolipoprotein E3
experiment.sample.molecule[0].short_name	ApoE3
experiment.sample.molecule[0].sequence	GPHMKVEQAVETEPEPELRQQTEWQSGQRWELALGRFWDYLRWVQTLSEQVQEELLSSQVTQELRALMDETMKELKAYKSELEEQLTPVAEETRARLSKELQAAQARLGADMEDVCGRLVQYRGEVQAMLGQSTEELRVRLASHLRKLRKRLLRDADDLQKRLAVYQAGAREGAERGLSAIRERLGPLVEQGRVRAATVGSLAGQPLQERAQAWGERLRARMEEMGSRTRDRLDEVKEQVAEVRAKLEEQAQQIRLQAEAFQARLKSWFEPLVEDMQRQWAGLVEKVQAAVGTSAAPVPSDNH
experiment.sample.molecule[0].organism	Homo sapiens
experiment.sample.molecule[0].uniprot_code	P02649
experiment.sample.molecule[0].uniprot_range_first	19
experiment.sample.molecule[0].uniprot_range_last	317
experiment.sample.molecule[0].oligomerization	tetramer
experiment.sample.molecule[0].molecular_type	protein
experiment.sample.molecule[0].uniprot_sequence	MKVLWAALLVTFLAGCQAKVEQAVETEPEPELRQQTEWQSGQRWELALGRFWDYLRWVQT LSEQVQEELLSSQVTQELRALMDETMKELKAYKSELEEQLTPVAEETRARLSKELQAAQA RLGADMEDVCGRLVQYRGEVQAMLGQSTEELRVRLASHLRKLRKRLLRDADDLQKRLAVY QAGAREGAERGLSAIRERLGPLVEQGRVRAATVGSLAGQPLQERAQAWGERLRARMEEMG SRTRDRLDEVKEQVAEVRAKLEEQAQQIRLQAEAFQARLKSWFEPLVEDMQRQWAGLVEK VQAAVGTSAAPVPSDNH
experiment.sample.molecule[0].mw	34.659
experiment.sample.molecule[0].total_mw	138.636
experiment.sample.molecule[0].number_molecules	4
experiment.sample.molecule[0].complex_state	False
experiment.sample.molecule[0].deuteration	null
experiment.sample.molecule[0].molecule_source	biological
experiment.sample.molecule[0].molecule_description	null
experiment.sample.buffer.name	20 mM HEPES, 300 mM NaCl
experiment.sample.buffer.concentration_unit	null
experiment.sample.buffer.comment	null
experiment.sample.buffer.additive	null
experiment.sample.buffer.concentration	null
experiment.sample.buffer.pka	null
experiment.sample.buffer.ph	8.0
experiment.sample.buffer.deuteration	null
experiment.sample.purity_method	null
experiment.sample.name	Apolipoprotein E3
experiment.sample.ext_coefficient	null
experiment.sample.contrast	null
experiment.sample.specific_vol	null
experiment.sample.dry_vol	null
experiment.sample.absorbption	null
experiment.sample.deuteration	null
experiment.sample.mixture	null
experiment.contributor[0].affiliation[0].short_name	null
experiment.contributor[0].affiliation[0].address	Brighton, UK
experiment.contributor[0].affiliation[0].full_name	University of Sussex
experiment.contributor[0].affiliation[0].webpage	http://www.sussex.ac.uk/
experiment.contributor[0].contributor_name	Lucas
experiment.contributor[0].contributor_surname	Kraft
experiment.contributor[0].orcid
experiment.concentration_method	null
experiment.concentration_unit	null
experiment.date	2017-11-29
experiment.storage_temperature	4.0
experiment.cell_temperature	20.0
experiment.exposure_time	3.0
experiment.number_of_frames	1
experiment.wavelength	0.1
experiment.sample_detector_distance	3.9
experiment.concentration_min	null
experiment.concentration_max	null
experiment.sample_volume	null
experiment.flow_rate	null
experiment.s_min	0.034
experiment.s_max	3.696
experiment.total_exposure_time	null
experiment.seccolumn	null
fits	[]
estimated_volume_method	null
pddf_software	ATSAS GNOM
pddf_software_version	4.6
i0_calibration_standard	null
description	Concentration UNKNOWN.
experiment_description	Synchrotron SAXS data from solutions of human apolipoprotein E3 in 20 mM HEPES, 300 mM NaCl, pH 8 were collected on the B21 beam line at the Diamond Light Source (Oxfordshire, UK) using a Pilatus 2M detector at a sample-detector distance of 3.9 m and at a wavelength of λ = 0.1 nm (l(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One 3 second frame was collected at a sample temperature of 20°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_unit	arbitrary
experimental_mw	129.0
experimental_mw_error	null
guinier_i0_mw	null
guinier_i0_mw_error	null
porod_mw	null
porod_mw_error	null
pddf_i0	0.2511
pddf_i0_error	null
guinier_i0	0.25
guinier_i0_error	0.00034
pddf_rg	5.85
pddf_rg_error	null
guinier_rg	5.681
guinier_rg_error	0.059
pddf_dmax	19.5
pddf_dmax_error	null
porod_volume	410.0
porod_volume_error	null
estimated_volume	null
estimated_volume_error	null
guinier_point_first	10
guinier_point_last	89
pddf_point_first	null
pddf_point_last	null
i0_calibration_standard_data	null
intensities_log_log_plot	SASDD98_datloglog_img.png
symmetry	null
last_modified	2019-12-06T13:07:15.624532+01:00
bragg_peak	[]

manifest.json：36 field values

Field path	Raw value
code	SASDD98
status	success
started_at	2026-08-11T15:48:15.526755+00:00
finished_at	2026-08-11T15:48:23.475242+00:00
source_last_modified	2019-12-06T13:07:15.624532+01:00
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View the complete summary.json source

{
  "code": "SASDD98",
  "status": "Published",
  "type_of_curve": "SEC-SAS",
  "angular_unit": "1/A",
  "project": {
    "title": "The molecular basis for Apolipoprotein E4 as the major risk factor for late onset Alzheimer's disease.",
    "publication": {
      "title": "The molecular basis for Apolipoprotein E4 as the major risk factor for late onset Alzheimer's disease.",
      "author_list": "Raulin AC, Kraft L, Al-Hilaly YK, Xue WF, McGeehan JE, Atack JR, Serpell L",
      "journal": "J Mol Biol",
      "doi": "10.1016/j.jmb.2019.04.019",
      "pmid": "31051176",
      "published_date": "2019 Apr 30"
    },
    "status": "released",
    "submitted_date": "2018-06-07",
    "released_date": "2019-05-09"
  },
  "pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDD98.out",
  "intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDD98.dat",
  "intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDD98_dat_img.png",
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  "experiment": {
    "instrument": {
      "detector": {
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        "name": "Pilatus 2M",
        "resolution": null
      },
      "name": "Diamond Light Source",
      "city": "Didcot",
      "country": "UK",
      "beamline_name": "B21",
      "beam_geometry": "1 x 5 mm",
      "type_of_source": "X-ray synchrotron",
      "point_source": null,
      "line_collimation": null,
      "sample_path_length": null,
      "line_collimation_slitlength": null,
      "line_collimation_integrationwidth": null,
      "xray_energy": null,
      "beam_profile_ah": null,
      "beam_profile_al": null
    },
    "sample": {
      "molecule": [
        {
          "long_name": "Apolipoprotein E3",
          "short_name": "ApoE3",
          "sequence": "GPHMKVEQAVETEPEPELRQQTEWQSGQRWELALGRFWDYLRWVQTLSEQVQEELLSSQVTQELRALMDETMKELKAYKSELEEQLTPVAEETRARLSKELQAAQARLGADMEDVCGRLVQYRGEVQAMLGQSTEELRVRLASHLRKLRKRLLRDADDLQKRLAVYQAGAREGAERGLSAIRERLGPLVEQGRVRAATVGSLAGQPLQERAQAWGERLRARMEEMGSRTRDRLDEVKEQVAEVRAKLEEQAQQIRLQAEAFQARLKSWFEPLVEDMQRQWAGLVEKVQAAVGTSAAPVPSDNH",
          "organism": "Homo sapiens",
          "uniprot_code": "P02649",
          "uniprot_range_first": 19,
          "uniprot_range_last": 317,
          "oligomerization": "tetramer",
          "molecular_type": "protein",
          "uniprot_sequence": "MKVLWAALLVTFLAGCQAKVEQAVETEPEPELRQQTEWQSGQRWELALGRFWDYLRWVQT\nLSEQVQEELLSSQVTQELRALMDETMKELKAYKSELEEQLTPVAEETRARLSKELQAAQA\nRLGADMEDVCGRLVQYRGEVQAMLGQSTEELRVRLASHLRKLRKRLLRDADDLQKRLAVY\nQAGAREGAERGLSAIRERLGPLVEQGRVRAATVGSLAGQPLQERAQAWGERLRARMEEMG\nSRTRDRLDEVKEQVAEVRAKLEEQAQQIRLQAEAFQARLKSWFEPLVEDMQRQWAGLVEK\nVQAAVGTSAAPVPSDNH",
          "mw": 34.659,
          "total_mw": 138.636,
          "number_molecules": 4,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": null
        }
      ],
      "buffer": {
        "name": "20 mM HEPES, 300 mM NaCl",
        "concentration_unit": null,
        "comment": null,
        "additive": null,
        "concentration": null,
        "pka": null,
        "ph": 8.0,
        "deuteration": null
      },
      "purity_method": null,
      "name": "Apolipoprotein E3",
      "ext_coefficient": null,
      "contrast": null,
      "specific_vol": null,
      "dry_vol": null,
      "absorbption": null,
      "deuteration": null,
      "mixture": null
    },
    "contributor": [
      {
        "affiliation": [
          {
            "short_name": null,
            "address": "Brighton, UK",
            "full_name": "University of Sussex",
            "webpage": "http://www.sussex.ac.uk/"
          }
        ],
        "contributor_name": "Lucas",
        "contributor_surname": "Kraft",
        "orcid": ""
      }
    ],
    "concentration_method": null,
    "concentration_unit": null,
    "date": "2017-11-29",
    "storage_temperature": 4.0,
    "cell_temperature": 20.0,
    "exposure_time": 3.0,
    "number_of_frames": 1,
    "wavelength": 0.1,
    "sample_detector_distance": 3.9,
    "concentration_min": null,
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    "flow_rate": null,
    "s_min": 0.034,
    "s_max": 3.696,
    "total_exposure_time": null,
    "seccolumn": null
  },
  "fits": [],
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  "pddf_software": "ATSAS GNOM",
  "pddf_software_version": "4.6",
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  "description": "Concentration UNKNOWN.",
  "experiment_description": "Synchrotron SAXS data from solutions of human apolipoprotein E3 in 20 mM HEPES, 300 mM NaCl, pH 8 were collected on the B21 beam line at the Diamond Light Source (Oxfordshire, UK) using a Pilatus 2M detector at a sample-detector distance of 3.9 m and at a wavelength of λ = 0.1 nm (l(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One 3 second frame was collected at a sample temperature of 20°C. 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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  "last_modified": "2019-12-06T13:07:15.624532+01:00",
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View the complete manifest.json source

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Title	The molecular basis for Apolipoprotein E4 as the major risk factor for late onset Alzheimer's disease.
Authors	Raulin AC, Kraft L, Al-Hilaly YK, Xue WF, McGeehan JE, Atack JR, Serpell L
DOI / PMID	10.1016/j.jmb.2019.04.019 / 31051176