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/55/sasdx55/source/SASDX55.dat",
"role": "curve",
"sha256": "ac085b615982a3b7610ffbdfcb99a85bbfea6afa83759408d710f886354fa0ac",
"size": 103468,
"status": "downloaded",
"url": "https://www.sasbdb.org/media/intensities_files/SASDX55.dat"
} full_entry_zip：source record and ZIP contents (2 items) {
"path": "/data/saxsdb/sasbdb/entries/55/sasdx55/source/SASDX55.zip",
"role": "full_entry_zip",
"sha256": "c5adf5c2462d58886b29eb30e098d327c9dd3665b57a2a3d1820584d816f14b5",
"size": 70134,
"status": "downloaded",
"url": "https://www.sasbdb.org/media/zip_directories/SASDX55.zip",
"zip_member_count": 2,
"zip_members": [
{
"crc32": "635cdbd0",
"name": "SASDX55/experimental_data/SASDX55.dat",
"size": 103468
},
{
"crc32": "6af17436",
"name": "SASDX55/pddf/SASDX55.out",
"size": 141591
}
],
"zip_validation": "central_directory_readable"
} pddf：source record {
"path": "/data/saxsdb/sasbdb/entries/55/sasdx55/source/SASDX55.out",
"role": "pddf",
"sha256": "601177034d8c101c0e84eb2c1dbac424edac0199c1695f17dc36a74fc6073864",
"size": 141591,
"status": "downloaded",
"url": "https://www.sasbdb.org/media/p_of_R_files/SASDX55.out"
} sascif：source record {
"path": "/data/saxsdb/sasbdb/entries/55/sasdx55/source/SASDX55.sascif",
"role": "sascif",
"status": "not_available",
"url": "https://www.sasbdb.org/media/sascif/sascif_files/SASDX55.sascif"
} summary：source record {
"path": "/data/saxsdb/sasbdb/entries/55/sasdx55/source/summary.json",
"sha256": "db4fa3ecd8a9da329bb773bdbc0e2abc69e1e05fe7824ffd81ed64fd85b6ea21",
"size": 7427,
"status": "downloaded",
"url": "https://www.sasbdb.org/rest-api/entry/summary/SASDX55/"
} 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 manifest.json：34 field values View the complete summary.json source {
"code": "SASDX55",
"status": "Published",
"type_of_curve": "SEC-SAS",
"angular_unit": "1/A",
"project": {
"title": "Molecular basis of Fab-dependent IgA antibody recognition by gut-bacterial metallopeptidases",
"publication": {
"title": "Molecular basis of Fab-dependent IgA antibody recognition by gut-bacterial metallopeptidases",
"author_list": "Márquez-Moñino M, Martínez Gascueña A, Azzam T, Persson A, Manzanares-Gomez A, Aguillo-Urarte M, Brown T, Montero-Sagarminaga A, Lood R, Naegeli A, Connell S, Sastre D, Sundberg E, Trastoy B",
"journal": "The EMBO Journal",
"doi": "10.1038/s44318-025-00518-w",
"pmid": null,
"published_date": "2025 Jul 31"
},
"status": "released",
"submitted_date": "2025-06-03",
"released_date": "2025-07-04"
},
"pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDX55.out",
"intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDX55.dat",
"intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDX55_dat_img.png",
"intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDX55_kratky_img.png",
"pddf_plot": "https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDX55_pofr_img.png",
"intensities_guinier_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDX55_guinier_img.png",
"sascif_data": "https://www.sasbdb.org/media/sascif/sascif_files/SASDX55.sascif",
"experiment": {
"instrument": {
"detector": {
"type": null,
"name": "Eiger 4M",
"resolution": 75.0
},
"name": "Diamond Light Source",
"city": "Didcot",
"country": "UK",
"beamline_name": "B21",
"beam_geometry": null,
"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": "IgA protease",
"short_name": null,
"sequence": "GGSGASKPDIKVGDYVKMGVYNNASILWRCVSIDNNGPLMLADKIVDTLAYDAKTNDNSNSKSHSRSYKRDDYGSNYWKDSNMRSWLNSTAAEGKVDWLCGNPPKDGYVSGVGAYNEKAGFLNAFSKSEIAAMKTVTQRSLVSHPEYNKGIVDGDANSDLLYYTDISEAVANYDSSYFETTTEKVFLLDVKQANAVWKNLKGYYVAYNNDGMAWPYWLRTPVTDCNHDMRYISSSGQVGRYAPWYSDLGVRPAFYLDSEYFVTTSGSGSQSSPYIGSAPNKQEDDYTISEPAEDANPDWNVSTEQSIQLTLGPWYSNDGKYSNPTIPVYTIQKTRSDTENMVVVVCGEGYTKSQQGKFINDVKRLWQDAMKYEPYRSYADRFNVYALCTASESTFDNGGSTFFDVIVDKYNSPVISNNLHGSQWKNHIFERCIGPEFIEKIHDAHIKKKCDPNTIPSGSEYEPYYYVHDYIAQFAMVVNTKSDFGGAYNNREYGFHYFISPSDSYRASKTFAHEFGHGLLGLGDEYSNGYLLDDKELKSLNLSSVEDPEKIKWRQLLGFRNTYTCRNAYGSKMLVSSYECIMRDTNYQFCEVCRLQGFKRMSQLVKDVDLYVATPEVKEYTGAYSKPSDFTDLETSSYYNYTYNRNDRLLSGNSKSRFNTNMNGKKIELRTVIQNISDKNARQLKFKMWIKHSDGSVATDSSGNPLQTVQTFDIPVWNDKANFWPLGALDHIKSDFNSGLKSCSLIYQIPSDAQLKSGDTVAFQVLDENGNVLADDNTETQRYTTVSIQYKFEDGSEIPNTAGGTFTVPYGTKLDLTPAKTLYDYEFIKVDGLNKPIVSDGTVVTYYYKNKN",
"organism": "Thomasclavelia ramosa",
"uniprot_code": "Q9AES2",
"uniprot_range_first": 31,
"uniprot_range_last": 878,
"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": 96.269,
"total_mw": 96.269,
"number_molecules": 1,
"complex_state": false,
"deuteration": null,
"molecule_source": "biological",
"molecule_description": ""
}
],
"buffer": {
"name": "50 mM Tris-HCl pH 7.5, 100 mM NaCl, 2% v/v glycerol",
"concentration_unit": null,
"comment": null,
"additive": null,
"concentration": null,
"pka": null,
"ph": 7.5,
"deuteration": null
},
"purity_method": null,
"name": "IgA protease (ThomasA) 31-878",
"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": "IIS Biobizkaia",
"webpage": null
}
],
"contributor_name": "María Ángeles",
"contributor_surname": "Márquez-Moñino",
"orcid": "https://orcid.org/0000-0003-4177-9359"
}
],
"concentration_method": null,
"concentration_unit": null,
"date": "2024-04-19",
"storage_temperature": -80.0,
"cell_temperature": 15.0,
"exposure_time": 0.56,
"number_of_frames": null,
"wavelength": 0.09464,
"sample_detector_distance": 3.6929,
"concentration_min": null,
"concentration_max": 1.96,
"sample_volume": 55.0,
"flow_rate": 0.07,
"s_min": 0.045,
"s_max": 3.4,
"total_exposure_time": null,
"seccolumn": 14
},
"fits": [],
"estimated_volume_method": null,
"pddf_software": "ATSAS GNOM",
"pddf_software_version": "5.0",
"i0_calibration_standard": null,
"description": null,
"experiment_description": null,
"tags": [],
"intensity_unit": "1/cm",
"experimental_mw": 91.7,
"experimental_mw_error": null,
"guinier_i0_mw": null,
"guinier_i0_mw_error": null,
"porod_mw": 63.0,
"porod_mw_error": null,
"pddf_i0": 0.04336,
"pddf_i0_error": null,
"guinier_i0": 0.0435088,
"guinier_i0_error": null,
"pddf_rg": 3.45,
"pddf_rg_error": null,
"guinier_rg": 3.443,
"guinier_rg_error": 0.095,
"pddf_dmax": 10.64,
"pddf_dmax_error": null,
"porod_volume": 101.0,
"porod_volume_error": null,
"estimated_volume": null,
"estimated_volume_error": null,
"guinier_point_first": 70,
"guinier_point_last": 221,
"pddf_point_first": null,
"pddf_point_last": null,
"i0_calibration_standard_data": null,
"intensities_log_log_plot": "SASDX55_datloglog_img.png",
"symmetry": null,
"last_modified": "2025-08-01T09:34:25.539503+02:00",
"bragg_peak": []
} View the complete manifest.json source {
"code": "SASDX55",
"status": "success",
"started_at": "2026-08-11T14:39:30.036305+00:00",
"finished_at": "2026-08-11T14:39:38.469409+00:00",
"source_last_modified": "2025-08-01T09:34:25.539503+02:00",
"files": [
{
"status": "downloaded",
"url": "https://www.sasbdb.org/rest-api/entry/summary/SASDX55/",
"path": "/data/saxsdb/sasbdb/entries/55/sasdx55/source/summary.json",
"size": 7427,
"sha256": "db4fa3ecd8a9da329bb773bdbc0e2abc69e1e05fe7824ffd81ed64fd85b6ea21"
},
{
"status": "downloaded",
"url": "https://www.sasbdb.org/media/intensities_files/SASDX55.dat",
"path": "/data/saxsdb/sasbdb/entries/55/sasdx55/source/SASDX55.dat",
"size": 103468,
"sha256": "ac085b615982a3b7610ffbdfcb99a85bbfea6afa83759408d710f886354fa0ac",
"role": "curve"
},
{
"status": "downloaded",
"url": "https://www.sasbdb.org/media/p_of_R_files/SASDX55.out",
"path": "/data/saxsdb/sasbdb/entries/55/sasdx55/source/SASDX55.out",
"size": 141591,
"sha256": "601177034d8c101c0e84eb2c1dbac424edac0199c1695f17dc36a74fc6073864",
"role": "pddf"
},
{
"status": "not_available",
"url": "https://www.sasbdb.org/media/sascif/sascif_files/SASDX55.sascif",
"path": "/data/saxsdb/sasbdb/entries/55/sasdx55/source/SASDX55.sascif",
"role": "sascif"
},
{
"status": "downloaded",
"url": "https://www.sasbdb.org/media/zip_directories/SASDX55.zip",
"path": "/data/saxsdb/sasbdb/entries/55/sasdx55/source/SASDX55.zip",
"size": 70134,
"sha256": "c5adf5c2462d58886b29eb30e098d327c9dd3665b57a2a3d1820584d816f14b5",
"role": "full_entry_zip",
"zip_member_count": 2,
"zip_validation": "central_directory_readable"
}
]
} 
