{
  "code": "SASDXX3",
  "status": "Published",
  "type_of_curve": "Single concentration",
  "angular_unit": "1/A",
  "project": {
    "title": "Differentiating the solution structures and stability of transthyretin tetramer complexed with tolcapone and tafamidis using SEC-SWAXS and NMR.",
    "publication": {
      "title": "Differentiating the solution structures and stability of transthyretin tetramer complexed with tolcapone and tafamidis using SEC-SWAXS and NMR.",
      "author_list": "Shih O, Feng YC, Agrawal S, Liao KF, Yeh YQ, Chang JW, Yu TY, Jeng US",
      "journal": "J Appl Crystallogr",
      "doi": "10.1107/S1600576725004716",
      "pmid": "40765976",
      "published_date": "2025 Aug 1"
    },
    "status": "released",
    "submitted_date": "2025-04-13",
    "released_date": "2025-04-24"
  },
  "pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDXX3.out",
  "intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDXX3.dat",
  "intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDXX3_dat_img.png",
  "intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDXX3_kratky_img.png",
  "pddf_plot": "https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDXX3_pofr_img.png",
  "intensities_guinier_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDXX3_guinier_img.png",
  "sascif_data": "https://www.sasbdb.org/media/sascif/sascif_files/SASDXX3.sascif",
  "experiment": {
    "instrument": {
      "detector": {
        "type": null,
        "name": "Eiger X 1M and 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": "Transthyretin",
          "short_name": "TTR",
          "sequence": "GPTGTGESKCPLMVKVLDAVRGSPAINVAVHVFRKAADDTWEPFASGKTSESGELHGLTTEEEFVEGIYKVEIDTKSYWKALGISPFHEHAEVVFTANDSGPRRYTIAALLSPYSYSTTAVVTNPKE",
          "organism": "Homo sapiens",
          "uniprot_code": "P02766",
          "uniprot_range_first": 21,
          "uniprot_range_last": 147,
          "oligomerization": "tetramer",
          "molecular_type": "protein",
          "uniprot_sequence": "MASHRLLLLCLAGLVFVSEAGPTGTGESKCPLMVKVLDAVRGSPAINVAVHVFRKAADDT\nWEPFASGKTSESGELHGLTTEEEFVEGIYKVEIDTKSYWKALGISPFHEHAEVVFTANDS\nGPRRYTIAALLSPYSYSTTAVVTNPKE",
          "mw": 13.761,
          "total_mw": 55.044,
          "number_molecules": 4,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": ""
        },
        {
          "long_name": "Tolcapone",
          "short_name": null,
          "sequence": "C14H11NO5",
          "organism": null,
          "uniprot_code": null,
          "uniprot_range_first": null,
          "uniprot_range_last": null,
          "oligomerization": "dimer",
          "molecular_type": "other",
          "uniprot_sequence": "",
          "mw": 0.273,
          "total_mw": 0.546,
          "number_molecules": 2,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": "https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1324"
        }
      ],
      "buffer": {
        "name": "20 mM Tris, 50 mM NaCl",
        "concentration_unit": null,
        "comment": null,
        "additive": null,
        "concentration": null,
        "pka": null,
        "ph": 7.0,
        "deuteration": null
      },
      "purity_method": null,
      "name": "Transthyretin tetramer with over-saturated tolcapone",
      "ext_coefficient": null,
      "contrast": null,
      "specific_vol": null,
      "dry_vol": null,
      "absorbption": null,
      "deuteration": null,
      "mixture": null
    },
    "contributor": [
      {
        "affiliation": [
          {
            "short_name": null,
            "address": "Hsinchu City, Taiwan",
            "full_name": "National Synchrotron Radiation Research Center",
            "webpage": "https://www.nsrrc.org.tw/"
          }
        ],
        "contributor_name": "Orion",
        "contributor_surname": "Shih",
        "orcid": null
      }
    ],
    "concentration_method": null,
    "concentration_unit": null,
    "date": "2023-05-19",
    "storage_temperature": 26.0,
    "cell_temperature": 26.0,
    "exposure_time": 2.0,
    "number_of_frames": 5,
    "wavelength": 0.08265,
    "sample_detector_distance": 2.5,
    "concentration_min": null,
    "concentration_max": 8.0,
    "sample_volume": null,
    "flow_rate": null,
    "s_min": 0.123,
    "s_max": 17.692,
    "total_exposure_time": null,
    "seccolumn": null
  },
  "fits": [
    {
      "models": [
        {
          "model_plot": "https://www.sasbdb.org/media/pdb_file/images/SASDXX3_fit1_model1_img.png",
          "software": "Coot",
          "pdb_link": [],
          "model_title": null,
          "type_of_model": "atomic",
          "software_version": null,
          "model_data": "https://www.sasbdb.org/media/pdb_file/SASDXX3_fit1_model1.pdb",
          "model_mw": 51.76,
          "bead_radius": 1.9,
          "log": null,
          "symmetry": null,
          "comment": null,
          "user": 216
        }
      ],
      "fit_unit": "1/A",
      "fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDXX3_fit1_fixed_fit_img.png",
      "software": "CRYSOL",
      "chi_square_value": 8.872,
      "p_value": 0.0,
      "fit_residual_plot": "SASDXX3_fit1_fitresiduals_img.png",
      "fit_data": "https://www.sasbdb.org/media/fitting_files/SASDXX3_fit1.fit",
      "fit_log": "https://www.sasbdb.org/media/fitting_files/log_files/4D7B.log",
      "software_version": null,
      "description": ""
    }
  ],
  "estimated_volume_method": null,
  "pddf_software": "ATSAS GNOM",
  "pddf_software_version": "5.0",
  "i0_calibration_standard": null,
  "description": "Tolcapone: https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL1324",
  "experiment_description": "Synchrotron SAXS data from solutions of transthyretin with over-saturated tolcapone in 20 mM Tris, 50 mM NaCl, pH 7 were collected on the 13A beam line at the Taiwan Photon Source, NSRRC (Hsinchu, Taiwan) using a Eiger X 1M and Eiger X 9M detector at a sample-detector distance of 0.3 m (Eiger X 1M) and 2.5 m (Eiger X 9M) and at a wavelength of λ = 0.08265 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One solute concentration of 8.00 mg/ml was measured at 26°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.",
  "tags": [],
  "intensity_unit": "1/cm",
  "experimental_mw": 63.5,
  "experimental_mw_error": null,
  "guinier_i0_mw": null,
  "guinier_i0_mw_error": null,
  "porod_mw": 67.0,
  "porod_mw_error": null,
  "pddf_i0": 0.09095,
  "pddf_i0_error": null,
  "guinier_i0": 0.0915168,
  "guinier_i0_error": null,
  "pddf_rg": 2.5,
  "pddf_rg_error": null,
  "guinier_rg": 2.52,
  "guinier_rg_error": 0.692,
  "pddf_dmax": 8.6,
  "pddf_dmax_error": null,
  "porod_volume": 107.0,
  "porod_volume_error": null,
  "estimated_volume": null,
  "estimated_volume_error": null,
  "guinier_point_first": 35,
  "guinier_point_last": 51,
  "pddf_point_first": null,
  "pddf_point_last": null,
  "i0_calibration_standard_data": null,
  "intensities_log_log_plot": "SASDXX3_datloglog_img.png",
  "symmetry": null,
  "last_modified": "2025-09-04T14:06:08.565750+02:00",
  "bragg_peak": []
}