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
Acquisition Conditions and Instrument
Original SASBDB Plots Experimental I(q) Experimental I(q), log-log Guinier plot Kratky plot P(r) plot
Downloadable Files
curve:source record {
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/SASDWQ3.dat",
"role": "curve",
"sha256": "6ec29379ec20bbe9568e98055376521bb5a6689bc28d56e571fb2774de402323",
"size": 99462,
"status": "downloaded",
"url": "https://www.sasbdb.org/media/intensities_files/SASDWQ3.dat"
} full_entry_zip:source record and ZIP contents (4 items) {
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/SASDWQ3.zip",
"role": "full_entry_zip",
"sha256": "3e6a3fb0073107f43e884dfe7f2528048da99fc06390da3f645d105590836c1c",
"size": 240444,
"status": "downloaded",
"url": "https://www.sasbdb.org/media/zip_directories/SASDWQ3.zip",
"zip_member_count": 4,
"zip_members": [
{
"crc32": "8197a74f",
"name": "SASDWQ3/experimental_data/SASDWQ3.dat",
"size": 99462
},
{
"crc32": "4653d0d1",
"name": "SASDWQ3/pddf/SASDWQ3.out",
"size": 72489
},
{
"crc32": "b9722143",
"name": "SASDWQ3/SASDWQ3_fit1.fit",
"size": 108698
},
{
"crc32": "6afd2e2d",
"name": "SASDWQ3/SASDWQ3_fit1_model1.pdb",
"size": 720819
}
],
"zip_validation": "central_directory_readable"
} pddf:source record {
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/SASDWQ3.out",
"role": "pddf",
"sha256": "3ae5a3f660bd2c73d3a3d93d6777b16b321a12bd7f9fbe4d1e738be54d2444cd",
"size": 72489,
"status": "downloaded",
"url": "https://www.sasbdb.org/media/p_of_R_files/SASDWQ3.out"
} sascif:source record {
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/SASDWQ3.sascif",
"role": "sascif",
"status": "not_available",
"url": "https://www.sasbdb.org/media/sascif/sascif_files/SASDWQ3.sascif"
} summary:source record {
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/summary.json",
"sha256": "29a8bd9bd2ca2d99896c072c6917bd6e6731caeda82e5d82795eff7477a347e8",
"size": 9187,
"status": "downloaded",
"url": "https://www.sasbdb.org/rest-api/entry/summary/SASDWQ3/"
}
All source fields (unfiltered)
Every source field is expanded here, including empty values, list members and fields already shown above.
summary.json:159 field values
manifest.json:34 field values
View the complete summary.json source {
"code": "SASDWQ3",
"status": "Published",
"type_of_curve": "Single concentration",
"angular_unit": "1/A",
"project": {
"title": "Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases.",
"publication": {
"title": "Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases.",
"author_list": "Tran N, Frenette A, Holyoak T",
"journal": "Proc Natl Acad Sci U S A",
"doi": "10.1073/pnas.2503549122",
"pmid": "40854123",
"published_date": "2025 Sep 2"
},
"status": "released",
"submitted_date": "2024-12-06",
"released_date": "2025-08-11"
},
"pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDWQ3.out",
"intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDWQ3.dat",
"intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWQ3_dat_img.png",
"intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWQ3_kratky_img.png",
"pddf_plot": "https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDWQ3_pofr_img.png",
"intensities_guinier_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWQ3_guinier_img.png",
"sascif_data": "https://www.sasbdb.org/media/sascif/sascif_files/SASDWQ3.sascif",
"experiment": {
"instrument": {
"detector": {
"type": null,
"name": "Eiger 4M",
"resolution": 75.0
},
"name": "Cornell High Energy Synchrotron Source (CHESS)",
"city": "Ithaca, NY",
"country": "USA",
"beamline_name": "ID7A1 BioSAXS / HP-Bio Beamline",
"beam_geometry": null,
"type_of_source": "X-ray synchrotron",
"point_source": true,
"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": "IgA protease",
"short_name": "FL IgAP",
"sequence": "GSGSASKPDIKVGDYVKMGVYNNASILWRCVSIDNNGPLMLADKIVDTLAYDAKTNDNSNSKSHSRSYKRDDYGSNYWKDSNMRSWLNSTAAEGKVDWLCGNPPKDGYVSGVGAYNEKAGFLNAFSKSEIAAMKTVTQRSLVSHPEYNKGIVDGDANSDLLYYTDISEAVANYDSSYFETTTEKVFLLDVKQANAVWKNLKGYYVAYNNDGMAWPYWLRTPVTDCNHDMRYISSSGQVGRYAPWYSDLGVRPAFYLDSEYFVTTSGSGSQSSPYIGSAPNKQEDDYTISEPAEDANPDWNVSTEQSIQLTLGPWYSNDGKYSNPTIPVYTIQKTRSDTENMVVVVCGEGYTKSQQGKFINDVKRLWQDAMKYEPYRSYADRFNVYALCTASESTFDNGGSTFFDVIVDKYNSPVISNNLHGSQWKNHIFERCIGPEFIEKIHDAHIKKKCDPNTIPSGSEYEPYYYVHDYIAQFAMVVNTKSDFGGAYNNREYGFHYFISPSDSYRASKTFAHEFGHGLLGLGDEYSNGYLLDDKELKSLNLSSVEDPEKIKWRQLLGFRNTYTCRNAYGSKMLVSSYECIMRDTNYQFCEVCRLQGFKRMSQLVKDVDLYVATPEVKEYTGAYSKPSDFTDLETSSYYNYTYNRNDRLLSGNSKSRFNTNMNGKKIELRTVIQNISDKNARQLKFKMWIKHSDGSVATDSSGNPLQTVQTFDIPVWNDKANFWPLGALDHIKSDFNSGLKSCSLIYQIPSDAQLKSGDTVAFQVLDENGNVLADDNTETQRYTTVSIQYKFEDGSEIPNTAGGTFTVPYGTKLDLTPAKTLYDYEFIKVDGLNKPIVSDGTVVTYYYKNKNEEHTHNLTLVAAKAATCTTAGNSAYYTCDGCDKWFADATGSVEITDKTSVKIPAPGHTAGTEWKSDDTNHWHECTVAGCGVIIESTKSAHTAGEWIVDTPATATTAGTKHKECTVCHRVLETQPIPSTGTELKIIAGDNQIYNKASGSDVTITCNGDFAKFTGIKVDGSVVDSSNYTAVSGSTVLTLKASYLGTLTDGSHTITFVYTDGEANANLTVRTAGSGHIHDYGTEWKSNADNHWHECNCGDKKDEAAHSFKWVVDKEATATKKGSKHEECKICGYKRSAVEIPATGTSTAPTDTTKPNDTTKPGNTNGSEKGSHHHHHH",
"organism": "Thomasclavelia ramosa",
"uniprot_code": "Q9AES2",
"uniprot_range_first": 31,
"uniprot_range_last": 1195,
"oligomerization": "monomer",
"molecular_type": "protein",
"uniprot_sequence": "MTKKLMTKKITAIFLALYMAISVLPMTIQAASKPDIKVGDYVKMGVYNNASILWRCVSID\nNNGPLMLADKIVDTLAYDAKTNDNSNSKSHSRSYKRDDYGSNYWKDSNMRSWLNSTAAEG\nKVDWLCGNPPKDGYVSGVGAYNEKAGFLNAFSKSEIAAMKTVTQRSLVSHPEYNKGIVDG\nDANSDLLYYTDISEAVANYDSSYFETTTEKVFLLDVKQANAVWKNLKGYYVAYNNDGMAW\nPYWLRTPVTDCNHDMRYISSSGQVGRYAPWYSDLGVRPAFYLDSEYFVTTSGSGSQSSPY\nIGSAPNKQEDDYTISEPAEDANPDWNVSTEQSIQLTLGPWYSNDGKYSNPTIPVYTIQKT\nRSDTENMVVVVCGEGYTKSQQGKFINDVKRLWQDAMKYEPYRSYADRFNVYALCTASEST\nFDNGGSTFFDVIVDKYNSPVISNNLHGSQWKNHIFERCIGPEFIEKIHDAHIKKKCDPNT\nIPSGSEYEPYYYVHDYIAQFAMVVNTKSDFGGAYNNREYGFHYFISPSDSYRASKTFAHE\nFGHGLLGLGDEYSNGYLLDDKELKSLNLSSVEDPEKIKWRQLLGFRNTYTCRNAYGSKML\nVSSYECIMRDTNYQFCEVCRLQGFKRMSQLVKDVDLYVATPEVKEYTGAYSKPSDFTDLE\nTSSYYNYTYNRNDRLLSGNSKSRFNTNMNGKKIELRTVIQNISDKNARQLKFKMWIKHSD\nGSVATDSSGNPLQTVQTFDIPVWNDKANFWPLGALDHIKSDFNSGLKSCSLIYQIPSDAQ\nLKSGDTVAFQVLDENGNVLADDNTETQRYTTVSIQYKFEDGSEIPNTAGGTFTVPYGTKL\nDLTPAKTLYDYEFIKVDGLNKPIVSDGTVVTYYYKNKNEEHTHNLTLVAAKAATCTTAGN\nSAYYTCDGCDKWFADATGSVEITDKTSVKIPAPGHTAGTEWKSDDTNHWHECTVAGCGVI\nIESTKSAHTAGEWIVDTPATATTAGTKHKECTVCHRVLETQPIPSTGTELKIIAGDNQIY\nNKASGSDVTITCNGDFAKFTGIKVDGSVVDSSNYTAVSGSTVLTLKASYLGTLTDGSHTI\nTFVYTDGEANANLTVRTAGSGHIHDYGTEWKSNADNHWHECNCGDKKDEAAHSFKWVVDK\nEATATKKGSKHEECKICGYKRSAVEIPATGTSTAPTDTTKPNDTTKPGNTNGSEKSPQTG\nDNSNIFLWFALLFVSAAGVTGITAYNKKKKEHAE",
"mw": 130.846,
"total_mw": 130.846,
"number_molecules": 1,
"complex_state": false,
"deuteration": null,
"molecule_source": "biological",
"molecule_description": "Full-length immunoglobulin A protease. The protein construct used for SAS has four non-native amino acids at the N-terminus (GSGS) and a C-terminal polyhistidine tag (GSHHHHHH)."
}
],
"buffer": {
"name": "25 mM HEPES, 1 mM TCEP",
"concentration_unit": null,
"comment": null,
"additive": null,
"concentration": null,
"pka": null,
"ph": 7.5,
"deuteration": null
},
"purity_method": null,
"name": "Thomasclavelia ramosa full-length immunoglobulin A protease",
"ext_coefficient": null,
"contrast": null,
"specific_vol": null,
"dry_vol": null,
"absorbption": null,
"deuteration": null,
"mixture": null
},
"contributor": [
{
"affiliation": [
{
"short_name": null,
"address": null,
"full_name": "University of Waterloo",
"webpage": null
}
],
"contributor_name": "Norman",
"contributor_surname": "Tran",
"orcid": "https://orcid.org/0000-0002-9372-9444"
}
],
"concentration_method": null,
"concentration_unit": null,
"date": "2023-06-26",
"storage_temperature": 4.0,
"cell_temperature": 25.0,
"exposure_time": 1.0,
"number_of_frames": 15,
"wavelength": 0.11013,
"sample_detector_distance": null,
"concentration_min": null,
"concentration_max": 0.74,
"sample_volume": null,
"flow_rate": null,
"s_min": 0.082,
"s_max": 5.135,
"total_exposure_time": null,
"seccolumn": null
},
"fits": [
{
"models": [
{
"model_plot": "https://www.sasbdb.org/media/pdb_file/images/SASDWQ3_fit1_model1_img.png",
"software": "CORAL",
"pdb_link": [
{
"pdb_code": "none",
"ext_code": "Q9AES2",
"ext_type": "alphafold",
"difference_with_model": "identical"
}
],
"model_title": null,
"type_of_model": "mix",
"software_version": null,
"model_data": "https://www.sasbdb.org/media/pdb_file/SASDWQ3_fit1_model1.pdb",
"model_mw": 130.1,
"bead_radius": 1.9,
"log": null,
"symmetry": null,
"comment": null,
"user": 928
}
],
"fit_unit": "1/A",
"fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDWQ3_fit1_fixed_fit_img.png",
"software": "CORAL",
"chi_square_value": 0.647235,
"p_value": 0.1148,
"fit_residual_plot": "SASDWQ3_fit1_fitresiduals_img.png",
"fit_data": "https://www.sasbdb.org/media/fitting_files/SASDWQ3_fit1.fit",
"fit_log": null,
"software_version": null,
"description": ""
}
],
"estimated_volume_method": null,
"pddf_software": "ATSAS GNOM",
"pddf_software_version": null,
"i0_calibration_standard": null,
"description": null,
"experiment_description": null,
"tags": [],
"intensity_unit": "arbitrary",
"experimental_mw": 98.7,
"experimental_mw_error": null,
"guinier_i0_mw": null,
"guinier_i0_mw_error": null,
"porod_mw": 118.0,
"porod_mw_error": null,
"pddf_i0": 0.06796,
"pddf_i0_error": null,
"guinier_i0": 0.0655567,
"guinier_i0_error": null,
"pddf_rg": 6.25,
"pddf_rg_error": null,
"guinier_rg": 5.528,
"guinier_rg_error": 1.894,
"pddf_dmax": 24.5,
"pddf_dmax_error": null,
"porod_volume": 188.0,
"porod_volume_error": null,
"estimated_volume": null,
"estimated_volume_error": null,
"guinier_point_first": 4,
"guinier_point_last": 43,
"pddf_point_first": null,
"pddf_point_last": null,
"i0_calibration_standard_data": null,
"intensities_log_log_plot": "SASDWQ3_datloglog_img.png",
"symmetry": null,
"last_modified": "2025-09-01T15:34:47.744276+02:00",
"bragg_peak": []
}
View the complete manifest.json source {
"code": "SASDWQ3",
"status": "success",
"started_at": "2026-08-11T14:05:41.994684+00:00",
"finished_at": "2026-08-11T14:05:50.688718+00:00",
"source_last_modified": "2025-09-01T15:34:47.744276+02:00",
"files": [
{
"status": "downloaded",
"url": "https://www.sasbdb.org/rest-api/entry/summary/SASDWQ3/",
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/summary.json",
"size": 9187,
"sha256": "29a8bd9bd2ca2d99896c072c6917bd6e6731caeda82e5d82795eff7477a347e8"
},
{
"status": "downloaded",
"url": "https://www.sasbdb.org/media/intensities_files/SASDWQ3.dat",
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/SASDWQ3.dat",
"size": 99462,
"sha256": "6ec29379ec20bbe9568e98055376521bb5a6689bc28d56e571fb2774de402323",
"role": "curve"
},
{
"status": "downloaded",
"url": "https://www.sasbdb.org/media/p_of_R_files/SASDWQ3.out",
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/SASDWQ3.out",
"size": 72489,
"sha256": "3ae5a3f660bd2c73d3a3d93d6777b16b321a12bd7f9fbe4d1e738be54d2444cd",
"role": "pddf"
},
{
"status": "not_available",
"url": "https://www.sasbdb.org/media/sascif/sascif_files/SASDWQ3.sascif",
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/SASDWQ3.sascif",
"role": "sascif"
},
{
"status": "downloaded",
"url": "https://www.sasbdb.org/media/zip_directories/SASDWQ3.zip",
"path": "/data/saxsdb/sasbdb/entries/q3/sasdwq3/source/SASDWQ3.zip",
"size": 240444,
"sha256": "3e6a3fb0073107f43e884dfe7f2528048da99fc06390da3f645d105590836c1c",
"role": "full_entry_zip",
"zip_member_count": 4,
"zip_validation": "central_directory_readable"
}
]
}