SASDUY7

Aichivirus A 2A protein at neutral pH

Data type: SASBDB experimental data Status: Published Curve type: SEC-SAS Last updated: 2026-04-30T16:35:52.435483+02:00

Data were processed using the ATSAS suite. The high resolution structure of AiV-2A (chain A, B, C and A+B+C) theoretical scattering curve was fitted to the experimental data using rigid body and normal mode analysis (SREFLEX). CAUTION: The monomer component of the models (12.8 kDa) does not include all of the amino acids of the protein construct used for SAXS (14.6 kDa).

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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Aichivirus A 2A protein at neutral pH

Concentration— – 10.0 Buffer / pH20 mM HEPES,150 mM NaCl, 2 mM TCEP, 1% v/v glycerol / 7.4
Experimental temperature20.0 Facility / beamlinePETRA III / EMBL P12
Wavelength0.1549 nmExposure0.24 s × 2880

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Genome polyprotein
View sequence
GPGGAASATPDVDPDDRVYIVRAQRPTYVHWAIRKVAPDGSAKQISLSRSGIQALVALEPPEGEPYLEILPSHWTLAELQLGNKWEYSATNNCTHFVSSITGESLPNTGFSLALGIGALTAIAASAAVAVKALPGIRRQ
proteinAichi virus (strain Human/A846/88/1989)O914641017–1152monomerMolecule count 114.63 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
12637[3]0.013449–4.4449 1/nmHas uncertainty columnMissing 027sasbdb/entries/y7/sasduy7/source/SASDUY7.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)7.4—nm
i0Guinier0.0299389—1/cm
i0P(r)0.030163.526e-051/cm
mwExperimental12.025—kDa
mwPorod10.98—kDa
porod_volumePorod17.57—nm³
rgGuinier1.7850.006nm
rgP(r)1.8630.005nm

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

Fit 1 · CRYSOL crysol, ATSAS 3.2.1 (r14885)

χ²: 153.4922CorMap p: 0.0Unit: 1/A

Rigid body fit of the chains A + B + C

ModelName / TypeSoftwareSymmetryModel MWPDB DeclarationSource file
1—atomicPyMOL —37.07ZV6Model Image Log

Fit 3 · SREFLEX

χ²: 5.09CorMap p: 0.0Unit: 1/A
ModelName / TypeSoftwareSymmetryModel MWPDB DeclarationSource file
1—atomicSREFLEX sreflex, ATSAS 3.2.1 (r14885)—12.82—Model Image
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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 HEPES,150 mM NaCl, 2 mM TCEP, 1% v/v glycerolBuffer concentration—
pH7.4Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2022-03-11Storage / measurement temperature10.0 / 20.0
Exposure time0.24Frames2880
Wavelength0.1549Sample-to-detector distance4.0
SourceX-ray synchrotronDetectorPilatus 6M
Facility / beamlinePETRA III / EMBL P12 · DESY; Hamburg, Germany
q range0.013 – 4.445Sample volume / flow rate40.0 / 0.35

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

CategoryFileStatusSizeChecksumDownload and View
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sascifsasbdb/entries/y7/sasduy7/source/SASDUY7.sascifnot_available——DownloadView source fileSource site
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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:203 field values
Field pathRaw value
codeSASDUY7
statusPublished
type_of_curveSEC-SAS
angular_unit1/nm
project.titleStructural and functional repurposing of picornaviral H-box 2A proteins
project.publicationnull
project.statusreleased
project.submitted_date2024-04-30
project.released_date2026-04-30
pddf_datahttps://www.sasbdb.org/media/p_of_R_files/SASDUY7.out
intensities_datahttps://www.sasbdb.org/media/intensities_files/SASDUY7.dat
intensities_log_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDUY7_dat_img.png
intensities_kratky_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDUY7_kratky_img.png
pddf_plothttps://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDUY7_pofr_img.png
intensities_guinier_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDUY7_guinier_img.png
sascif_datahttps://www.sasbdb.org/media/sascif/sascif_files/SASDUY7.sascif
experiment.instrument.detector.typenull
experiment.instrument.detector.namePilatus 6M
experiment.instrument.detector.resolutionnull
experiment.instrument.namePETRA III
experiment.instrument.cityDESY; Hamburg
experiment.instrument.countryGermany
experiment.instrument.beamline_nameEMBL P12
experiment.instrument.beam_geometrynull
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_nameGenome polyprotein
experiment.sample.molecule[0].short_nameAiV-2A
experiment.sample.molecule[0].sequenceGPGGAASATPDVDPDDRVYIVRAQRPTYVHWAIRKVAPDGSAKQISLSRSGIQALVALEPPEGEPYLEILPSHWTLAELQLGNKWEYSATNNCTHFVSSITGESLPNTGFSLALGIGALTAIAASAAVAVKALPGIRRQ
experiment.sample.molecule[0].organismAichi virus (strain Human/A846/88/1989)
experiment.sample.molecule[0].uniprot_codeO91464
experiment.sample.molecule[0].uniprot_range_first1017
experiment.sample.molecule[0].uniprot_range_last1152
experiment.sample.molecule[0].oligomerizationmonomer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequenceMAATRVSRSVLAAVAHSAAHRTYHTVLDCYDRLYLNTNPHLSYPLPKNSSFPCPFCQYDE QNEVLSPESLRGEGAEPCWKCSQDKPRRKYNTTPPEDWLYDSDVQSWFYPETYYSDLQQK FFDKLALLSLPGAYQAKTPEERALAGALTQLLNFPSTPPLTLPTTNLQRQGNSVTNIYGN GNNVTTDVGANGWAPTVSTGLGDGPVSASADSLPGRSGGASSEKTHTVSGSSNKVGSRFS KWWEPAAARASESATDSAIEGIDAAGKAASKAITRKLDRPAAPSSTANPQPSLIALNPSA TQSGNASILTGSTAPSLLAYPTATPVPLPNPDEPSQPGPSGDRTWLLDTVTWSQEFTRGW NIAGSNGMQWTGLESLIFPVSTDTNWTSTSSPTAYPLPFSFVRAYPDSSWAAMYNTHSMW NCGWRVQVTVNGSQFHAGALILYMVPEATTHAIQTARDNAGFVFPYVILNLYESNTATIE VPYISPTPNTSSGLHAPWTFYLQVLSPLNPPPSLPTSLSCSIYVTPVDSSFHGLRYLAPQ HWKTRAVPGAGTFGSAVAGQELPLCGVRAYYPPNAYIPAQVRDWLEFAHRPGLMATVPWT MADEPAERLGIFPVSPSAIAGTGAPISYVISLFSQWRGELAAHLLFTGSAQHYGRLVVCY TPAAPQPPSTMQEAMRGTYTVWDVNAASTLEFTIPFISNSYWKTVDVNNPDALLSTTGYV SIWVQNPLVGPHTAPASALVQAFISAGESFNVRLMQNPALTSQTLTEDLDAPQDTGNIEN GAADNSPQPRTTFDYTGNPLPPDTKLENFFSFYRLLPMGGSGAPSLSFPADEGTIIPLNP INWLKGADVSGIAAMLSCFTYIAADLRITLRFSNPNDNPATMLVAFAPPGATIPLKPTRQ MLSNFYMAEVPVSAATSTMVSFSIPYTSPLSAIPTSYFGWEDWSGTNFGQLSSGSWGNLM LIPSLSVDSAIPFDFQLSCWVAFGNFKAWVPRPPPPLPPLPTPAANAERTVAVIKQGAAS ATPDVDPDDRVYIVRAQRPTYVHWAIRKVAPDGSAKQISLSRSGIQALVALEPPEGEPYL EILPSHWTLAELQLGNKWEYSATNNCTHFVSSITGESLPNTGFSLALGIGALTAIAASAA VAVKALPGIRRQGLLTLSADTETNQTLNKITESVNQAAQVVSQFDLSGPANSVSLAASDI REAAHKVASSLNGFTDVIADIKDSLFTRVSDAVESGVATFLTWLVKLFGYLLVLFGSPTP MSISGLLVIICADLAPHAREFFTASGNVLSSLYYWIASKLGLSVTPQECERATLEPQGLK DFNDGALAMRNVEWIGETAWKWAHRLLDWIRGKAKTDPQAKLADVHDEIMLHYSDSILAL GSEKLPIDHITKSISRCRELVSIAQEAKSGPHSSFLNQAIKNYTLAISQHRKCQTGPRPE PVVVYLYGPPGTGKSLLASLLAQTLSQRLAGTPDDVYSPSSASCEYFDGYTGQTVHFIDD IGQDPEGRDWANFPNLVSSAPFIVPMASLEEKGTHYTSKVIVVTSNFHEPNERAARSMGA LRRRVHLRINVTSNGVPFDPTNALNPIPGTQSKYFTAQTPLTLFQSNTVRLDRDSIWTPT FTNMDELVDAIVTRLDRSTGVSNSLASLIRRQGNRVIDAEPREIPLEYADDLLEAMAHHR PVPCSLGLSQAIANNTPIQQISETFWKYRKPIFTCTTFLAVLGFLCSVIPLARSLWKSKQ DTPQEPQAAYSAISHQKPKPKSQKPVPTRHIQRQGISPAVPGISNNVVHVESGNGLNKNV MSGFYIFSRFLLVPTHLREPHHTTLTVGADTYDWATLQTQEFGEITIVHTPTSRQYKDMR RFIGAHPHPTGLLVSQFKAAPLYVRISDNRILDLDFPGVVVCKQAYGYRAATFEGLCGSP LVTDDPSGVKILGLHVAGVAGTSGFSAPIHPILGQITQFATTQQSLIVPTAEVRPGVNVN RMSRLHPSPAYGAFPVKKQPAPLKRNDKRLQEGVDLDTQLFLKHGKGDVTEPWPGLEAAA DLYFSTFPTSLPVLTQEQAIHGTPNMEGLDMGQAAGYPWNTLGRSRRSLFDEVEPGVFVP KPELQAEINQTLEDPDYVYSTFLKDELRPTAKVEQGLTRIVEAAPIHAIVAGRMLLGGLI DYMQGRPGEHGSAVGCNPDVHWTSFFYAFSEFSQVYDLDYKCFDATLPSAVFTLVADHLT RITGDPRVGRYIHSIRHSHHIYGNRMYDMIGGNPSGCVATSILNTIINNICVLSALIQHP DFSPSRFHILAYGDDVIYATEPPIHPSFLREFYQKHTPLVVTPANKGQDFPPTSTIYEVT FLKRWFVPDDVRPIYIHPVMDPDTYEQSVMWLRDGDFQDVVTSLCHLAFHSGPKTYAAWC MKVREQCLKSGFAPNFLPYSYLQLRWLNLLAA
experiment.sample.molecule[0].mw14.63
experiment.sample.molecule[0].total_mw14.63
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_descriptionAichivirus 2A protein from the Genome polyprotein. Recombinant protein expressed in E.coli.
experiment.sample.buffer.name20 mM HEPES,150 mM NaCl, 2 mM TCEP, 1% v/v glycerol
experiment.sample.buffer.concentration_unitnull
experiment.sample.buffer.commentnull
experiment.sample.buffer.additivenull
experiment.sample.buffer.concentrationnull
experiment.sample.buffer.pkanull
experiment.sample.buffer.ph7.4
experiment.sample.buffer.deuterationnull
experiment.sample.purity_methodnull
experiment.sample.nameAichivirus A 2A protein at neutral pH
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_nameLinköping University
experiment.contributor[0].affiliation[0].webpagenull
experiment.contributor[0].contributor_nameMarion
experiment.contributor[0].contributor_surnamePichon
experiment.contributor[0].orcidhttps://orcid.org/0000-0002-8511-4298
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2022-03-11
experiment.storage_temperature10.0
experiment.cell_temperature20.0
experiment.exposure_time0.24
experiment.number_of_frames2880
experiment.wavelength0.1549
experiment.sample_detector_distance4.0
experiment.concentration_minnull
experiment.concentration_max10.0
experiment.sample_volume40.0
experiment.flow_rate0.35
experiment.s_min0.013
experiment.s_max4.445
experiment.total_exposure_timenull
experiment.seccolumn4
fits[0].models[0].model_plothttps://www.sasbdb.org/media/pdb_file/images/SASDUY7_fit1_model1_img.png
fits[0].models[0].softwarePyMOL
fits[0].models[0].pdb_link[0].pdb_code7zv6
fits[0].models[0].pdb_link[0].ext_code7ZV6
fits[0].models[0].pdb_link[0].ext_typepdb
fits[0].models[0].pdb_link[0].difference_with_modelidentical
fits[0].models[0].model_titlenull
fits[0].models[0].type_of_modelatomic
fits[0].models[0].software_versionnull
fits[0].models[0].model_datahttps://www.sasbdb.org/media/pdb_file/SASDUY7_fit1_model1.pdb
fits[0].models[0].model_mw37.0
fits[0].models[0].bead_radiusnull
fits[0].models[0].loghttps://www.sasbdb.org/media/log_files/7ZV6.log
fits[0].models[0].symmetrynull
fits[0].models[0].commentChains A+B+C used as model for rigid body analysis
fits[0].models[0].user990
fits[0].fit_unit1/A
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fits[0].softwareCRYSOL
fits[0].chi_square_value153.4922
fits[0].p_value0.0
fits[0].fit_residual_plotSASDUY7_fit1_fitresiduals_img.png
fits[0].fit_datahttps://www.sasbdb.org/media/fitting_files/SASDUY7_fit1.fit
fits[0].fit_loghttps://www.sasbdb.org/media/fitting_files/log_files/7ZV6_chromixs66cut.log
fits[0].software_versioncrysol, ATSAS 3.2.1 (r14885)
fits[0].descriptionRigid body fit of the chains A + B + C
fits[1].models[0].model_plothttps://www.sasbdb.org/media/pdb_file/images/SASDUY7_fit2_model1_img.png
fits[1].models[0].softwarePyMOL
fits[1].models[0].pdb_link[0].pdb_code7zv6
fits[1].models[0].pdb_link[0].ext_code7ZV6
fits[1].models[0].pdb_link[0].ext_typepdb
fits[1].models[0].pdb_link[0].difference_with_modelidentical
fits[1].models[0].model_titlenull
fits[1].models[0].type_of_modelatomic
fits[1].models[0].software_versionnull
fits[1].models[0].model_datahttps://www.sasbdb.org/media/pdb_file/SASDUY7_fit2_model1.pdb
fits[1].models[0].model_mw12.82
fits[1].models[0].bead_radiusnull
fits[1].models[0].lognull
fits[1].models[0].symmetrynull
fits[1].models[0].commentChains B used for model fitting.
fits[1].models[0].user990
fits[1].fit_unit1/A
fits[1].fit_plothttps://www.sasbdb.org/media/fitting_files/scattering_plots/SASDUY7_fit2_fixed_fit_img.png
fits[1].softwareCRYSOL
fits[1].chi_square_value10.96
fits[1].p_value0.0
fits[1].fit_residual_plotSASDUY7_fit2_fitresiduals_img.png
fits[1].fit_datahttps://www.sasbdb.org/media/fitting_files/SASDUY7_fit2.fit
fits[1].fit_loghttps://www.sasbdb.org/media/fitting_files/log_files/7ZV6_B_chromixs66cut.log
fits[1].software_versioncrysol, ATSAS 3.2.1 (r14885)
fits[1].description
fits[2].models[0].model_plothttps://www.sasbdb.org/media/pdb_file/images/SASDUY7_fit3_model1_img.png
fits[2].models[0].softwareSREFLEX
fits[2].models[0].pdb_link[]
fits[2].models[0].model_titlenull
fits[2].models[0].type_of_modelatomic
fits[2].models[0].software_versionsreflex, ATSAS 3.2.1 (r14885)
fits[2].models[0].model_datahttps://www.sasbdb.org/media/pdb_file/SASDUY7_fit3_model1.pdb
fits[2].models[0].model_mw12.82
fits[2].models[0].bead_radiusnull
fits[2].models[0].lognull
fits[2].models[0].symmetrynull
fits[2].models[0].commentModel obtained from sReflex with 7ZV6 Chain B as template
fits[2].models[0].user990
fits[2].fit_unit1/A
fits[2].fit_plothttps://www.sasbdb.org/media/fitting_files/scattering_plots/SASDUY7_fit3_fixed_fit_img.png
fits[2].softwareSREFLEX
fits[2].chi_square_value5.09
fits[2].p_value0.0
fits[2].fit_residual_plotSASDUY7_fit3_fitresiduals_img.png
fits[2].fit_datahttps://www.sasbdb.org/media/fitting_files/SASDUY7_fit3.fit
fits[2].fit_lognull
fits[2].software_versionnull
fits[2].description
estimated_volume_methodnull
pddf_softwareATSAS GNOM
pddf_software_version5.0
i0_calibration_standardnull
descriptionData were processed using the ATSAS suite. The high resolution structure of AiV-2A (chain A, B, C and A+B+C) theoretical scattering curve was fitted to the experimental data using rigid body and normal mode analysis (SREFLEX). CAUTION: The monomer component of the models (12.8 kDa) does not include all of the amino acids of the protein construct used for SAXS (14.6 kDa).
experiment_descriptionSynchrotron SAXS data from solutions of Aichivirus A 2A protein at neutral pH in 20 mM HEPES,150 mM NaCl, 2 mM TCEP, 1% v/v glycerol, pH 7.4 were collected on the EMBL P12 beam line at PETRA III (DESY; Hamburg, Germany) using a Pilatus 6M detector at a sample-detector distance of 4 m and at a wavelength of λ = 0.1549 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 40.00 μl sample at 10 mg/ml was injected at a 0.35 ml/min flow rate onto a GE Superdex 75 Increase 5/150 column at 20°C. 2880 successive 0.240 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_unit1/cm
experimental_mw12.025
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mw10.98
porod_mw_errornull
pddf_i00.03016
pddf_i0_error3.526e-05
guinier_i00.0299389
guinier_i0_errornull
pddf_rg1.863
pddf_rg_error0.005
guinier_rg1.785
guinier_rg_error0.006
pddf_dmax7.4
pddf_dmax_errornull
porod_volume17.57
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first52
guinier_point_last426
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDUY7_datloglog_img.png
symmetrynull
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manifest.json:34 field values
Field pathRaw value
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View the complete summary.json source
{
  "code": "SASDUY7",
  "status": "Published",
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View the complete manifest.json source
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