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{
"code": "SASDWY9",
"status": "Published",
"type_of_curve": "Merged",
"angular_unit": "1/A",
"project": {
"title": "pH Sensitivity of the SERF1a Conformational Ensemble",
"publication": {
"title": "pH Sensitivity of the SERF1a Conformational Ensemble",
"author_list": "Huang S, Shih O, Jeng U, Chang C, Lin J, Malliavin T",
"journal": "ACS Omega",
"doi": "10.1021/acsomega.5c07620",
"pmid": null,
"published_date": "2026 Jan 05"
},
"status": "released",
"submitted_date": "2025-03-06",
"released_date": "2026-01-06"
},
"pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDWY9.out",
"intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDWY9.dat",
"intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWY9_dat_img.png",
"intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWY9_kratky_img.png",
"pddf_plot": "https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDWY9_pofr_img.png",
"intensities_guinier_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWY9_guinier_img.png",
"sascif_data": "https://www.sasbdb.org/media/sascif/sascif_files/SASDWY9.sascif",
"experiment": {
"instrument": {
"detector": {
"type": null,
"name": "Eiger X 9M",
"resolution": 75.0
},
"name": "Taiwan Photon Source, NSRRC",
"city": "Hsinchu",
"country": "Taiwan",
"beamline_name": "13A",
"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": "Isoform Short of Small EDRK-rich factor 1",
"short_name": "SERF1a",
"sequence": "MARGNQRELARQKNMKKTQEISKGKRKEDSLTASQRKQRDSEIMQEKQKAANEKKSMQTREK",
"organism": "Homo sapiens",
"uniprot_code": "O75920",
"uniprot_range_first": 1,
"uniprot_range_last": 62,
"oligomerization": "monomer",
"molecular_type": "protein",
"uniprot_sequence": "MARGNQRELARQKNMKKTQEISKGKRKEDSLTASQRKQRDSEIMQEKQKAANEKKSMQTR\nEK",
"mw": 7.336,
"total_mw": 7.336,
"number_molecules": 1,
"complex_state": false,
"deuteration": null,
"molecule_source": "biological",
"molecule_description": "Small EDRK-rich factor 1 isoform 1 [Homo sapiens]. NCBI Reference Sequence: NP_001171558.1."
}
],
"buffer": {
"name": "20 mM sodium phosphate, 20 mM NaCl",
"concentration_unit": null,
"comment": null,
"additive": null,
"concentration": null,
"pka": null,
"ph": 6.0,
"deuteration": null
},
"purity_method": null,
"name": "Small EDRK-rich factor 1 protein (SERF1a) at pH 6",
"ext_coefficient": null,
"contrast": null,
"specific_vol": null,
"dry_vol": null,
"absorbption": null,
"deuteration": null,
"mixture": null
},
"contributor": [
{
"affiliation": [
{
"short_name": null,
"address": "France",
"full_name": "University of Lorraine",
"webpage": "http://welcome.univ-lorraine.fr/"
}
],
"contributor_name": "Therese",
"contributor_surname": "Malliavin",
"orcid": "https://orcid.org/0000-0002-3276-3366"
}
],
"concentration_method": null,
"concentration_unit": null,
"date": "2023-03-09",
"storage_temperature": 4.0,
"cell_temperature": 10.0,
"exposure_time": 2.0,
"number_of_frames": 5,
"wavelength": 0.08266,
"sample_detector_distance": 2.499,
"concentration_min": 15.0,
"concentration_max": 15.0,
"sample_volume": null,
"flow_rate": null,
"s_min": 0.124,
"s_max": 3.501,
"total_exposure_time": null,
"seccolumn": null
},
"fits": [
{
"models": [
{
"model_plot": "https://www.sasbdb.org/media/pdb_file/images/SASDWY9_fit1_model1_img.png",
"software": "Other",
"pdb_link": [],
"model_title": null,
"type_of_model": "other",
"software_version": "TAiBP",
"model_data": "https://www.sasbdb.org/media/pdb_file/SASDWY9_fit1_model1.pdb",
"model_mw": null,
"bead_radius": null,
"log": null,
"symmetry": null,
"comment": null,
"user": 1189
}
],
"fit_unit": "1/A",
"fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDWY9_fit1_fixed_fit_img.png",
"software": "Pepsi-SAXS",
"chi_square_value": 0.4854,
"p_value": 0.0001,
"fit_residual_plot": "SASDWY9_fit1_fitresiduals_img.png",
"fit_data": "https://www.sasbdb.org/media/fitting_files/SASDWY9_fit1.fit",
"fit_log": "https://www.sasbdb.org/media/fitting_files/log_files/S6_pH6_L87-lq_L93-hq_smooth3_last_expand_52.log",
"software_version": "version 3.0 Linux",
"description": ""
},
{
"models": [
{
"model_plot": "https://www.sasbdb.org/media/pdb_file/images/SASDWY9_fit2_model1_img.png",
"software": "Other",
"pdb_link": [],
"model_title": null,
"type_of_model": "other",
"software_version": "TAiBP",
"model_data": "https://www.sasbdb.org/media/pdb_file/SASDWY9_fit2_model1.pdb",
"model_mw": null,
"bead_radius": null,
"log": null,
"symmetry": null,
"comment": null,
"user": 1189
}
],
"fit_unit": "1/A",
"fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDWY9_fit2_fixed_fit_img.png",
"software": "Pepsi-SAXS",
"chi_square_value": 0.5054,
"p_value": 0.0,
"fit_residual_plot": "SASDWY9_fit2_fitresiduals_img.png",
"fit_data": "https://www.sasbdb.org/media/fitting_files/SASDWY9_fit2.fit",
"fit_log": "https://www.sasbdb.org/media/fitting_files/log_files/S6_pH6_L87-lq_L93-hq_smooth3_last_expand_62.log",
"software_version": "version 3.0 Linux",
"description": ""
},
{
"models": [
{
"model_plot": "https://www.sasbdb.org/media/pdb_file/images/SASDWY9_fit3_model1_img.png",
"software": "Other",
"pdb_link": [],
"model_title": null,
"type_of_model": "other",
"software_version": "TAiBP",
"model_data": "https://www.sasbdb.org/media/pdb_file/SASDWY9_fit3_model1.pdb",
"model_mw": null,
"bead_radius": null,
"log": null,
"symmetry": null,
"comment": null,
"user": 1189
}
],
"fit_unit": "1/A",
"fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDWY9_fit3_fixed_fit_img.png",
"software": "Pepsi-SAXS",
"chi_square_value": 0.5224,
"p_value": 0.0002,
"fit_residual_plot": "SASDWY9_fit3_fitresiduals_img.png",
"fit_data": "https://www.sasbdb.org/media/fitting_files/SASDWY9_fit3.fit",
"fit_log": "https://www.sasbdb.org/media/fitting_files/log_files/S6_pH6_L87-lq_L93-hq_smooth3_last_refine_62.log",
"software_version": "version 3.0 Linux",
"description": ""
}
],
"estimated_volume_method": null,
"pddf_software": "ATSAS GNOM",
"pddf_software_version": null,
"i0_calibration_standard": null,
"description": null,
"experiment_description": "Synchrotron SAXS data from solutions of SERF1a in 20 mM sodium phosphate, 20 mM NaCl, pH 6 were collected on the 13A beam line at the Taiwan Photon Source, NSRRC (Hsinchu, Taiwan) using a Eiger X 9M detector at a sample-detector distance of 2.5 m and at a wavelength of λ = 0.08266 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). Solute concentrations ranging between 15 and 15 mg/ml were measured at 10°C. Five 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. The low angle data collected at lower concentration were merged with the highest concentration high angle data to yield the final composite scattering curve.",
"tags": [],
"intensity_unit": "arbitrary",
"experimental_mw": 4.414,
"experimental_mw_error": null,
"guinier_i0_mw": 51.928,
"guinier_i0_mw_error": 0.415,
"porod_mw": 6.0,
"porod_mw_error": null,
"pddf_i0": 0.03829,
"pddf_i0_error": 0.0003,
"guinier_i0": 0.0374932,
"guinier_i0_error": null,
"pddf_rg": 2.64,
"pddf_rg_error": 0.045,
"guinier_rg": 2.424,
"guinier_rg_error": 0.351,
"pddf_dmax": 10.3,
"pddf_dmax_error": null,
"porod_volume": 9.6,
"porod_volume_error": null,
"estimated_volume": null,
"estimated_volume_error": null,
"guinier_point_first": 2,
"guinier_point_last": 90,
"pddf_point_first": null,
"pddf_point_last": null,
"i0_calibration_standard_data": null,
"intensities_log_log_plot": "SASDWY9_datloglog_img.png",
"symmetry": null,
"last_modified": "2026-01-06T13:20:02.368189+01:00",
"bragg_peak": []
}
