{
  "code": "SASDWJ4",
  "status": "Published",
  "type_of_curve": "Single concentration",
  "angular_unit": "1/nm",
  "project": {
    "title": "Crystal structure of the class V GTP-binding RNA aptamer bound to its ligand: GTP recognition by a topologically complex intermolecular G-quadruplex.",
    "publication": {
      "title": "Crystal structure of the class V GTP-binding RNA aptamer bound to its ligand: GTP recognition by a topologically complex intermolecular G-quadruplex.",
      "author_list": "Stafflinger H, Neißner K, Bartsch S, Pichler AK, Bartosik K, Dhamotharan K, Abele R, Duchardt-Ferner E, Micura R, Schindelin H, Wöhnert J",
      "journal": "Nucleic Acids Res",
      "doi": "10.1093/nar/gkaf1315",
      "pmid": "41422825",
      "published_date": "2025 Nov 26"
    },
    "status": "released",
    "submitted_date": "2025-01-13",
    "released_date": "2025-12-30"
  },
  "pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDWJ4.out",
  "intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDWJ4.dat",
  "intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWJ4_dat_img.png",
  "intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWJ4_kratky_img.png",
  "pddf_plot": "https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDWJ4_pofr_img.png",
  "intensities_guinier_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWJ4_guinier_img.png",
  "sascif_data": "https://www.sasbdb.org/media/sascif/sascif_files/SASDWJ4.sascif",
  "experiment": {
    "instrument": {
      "detector": {
        "type": null,
        "name": "Pilatus 6M",
        "resolution": null
      },
      "name": "PETRA III",
      "city": "DESY; Hamburg",
      "country": "Germany",
      "beamline_name": "EMBL P12",
      "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": "Class V GTP aptamer",
          "short_name": null,
          "sequence": "GGGCGCAUUUUGGUAGGUCGGUCGCUGCUUCGGCAGUGAGGGGUAGGCAUUGCUGGCCUAGGGUGCCC",
          "organism": "Escherichia coli",
          "uniprot_code": null,
          "uniprot_range_first": null,
          "uniprot_range_last": null,
          "oligomerization": "monomer",
          "molecular_type": "RNA",
          "uniprot_sequence": "",
          "mw": 22.116,
          "total_mw": 22.116,
          "number_molecules": 1,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": ""
        },
        {
          "long_name": "Guanosine triphosphate",
          "short_name": "GTP",
          "sequence": "C10H16N5O14P3",
          "organism": null,
          "uniprot_code": null,
          "uniprot_range_first": null,
          "uniprot_range_last": null,
          "oligomerization": "monomer",
          "molecular_type": "other",
          "uniprot_sequence": "",
          "mw": 0.523,
          "total_mw": 0.523,
          "number_molecules": 1,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": ""
        }
      ],
      "buffer": {
        "name": "50 mM Bis-Tris, 50 mM KCl, 2 mM MgCl2",
        "concentration_unit": null,
        "comment": null,
        "additive": null,
        "concentration": null,
        "pka": null,
        "ph": 6.5,
        "deuteration": null
      },
      "purity_method": null,
      "name": "Class V GTP aptamer complex with GTP",
      "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": "Goethe University Frankfurt, Dept. Biosciences",
            "webpage": null
          }
        ],
        "contributor_name": "Helena",
        "contributor_surname": "Stafflinger",
        "orcid": "https://orcid.org/0009-0006-6219-9942"
      }
    ],
    "concentration_method": null,
    "concentration_unit": null,
    "date": "2024-07-19",
    "storage_temperature": 20.0,
    "cell_temperature": 20.0,
    "exposure_time": 0.095,
    "number_of_frames": 40,
    "wavelength": 0.123985,
    "sample_detector_distance": 3.0,
    "concentration_min": null,
    "concentration_max": 6.0,
    "sample_volume": null,
    "flow_rate": null,
    "s_min": 0.022,
    "s_max": 7.334,
    "total_exposure_time": null,
    "seccolumn": null
  },
  "fits": [
    {
      "models": [
        {
          "model_plot": "https://www.sasbdb.org/media/pdb_file/images/SASDWJ4_fit1_model1_img.png",
          "software": "DAMMIN",
          "pdb_link": [],
          "model_title": null,
          "type_of_model": "dummy",
          "software_version": "3.2.1",
          "model_data": "https://www.sasbdb.org/media/pdb_file/SASDWJ4_fit1_model1.cif",
          "model_mw": null,
          "bead_radius": null,
          "log": "https://www.sasbdb.org/media/log_files/ClassV6m_1.log",
          "symmetry": null,
          "comment": null,
          "user": 1168
        }
      ],
      "fit_unit": "1/A",
      "fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDWJ4_fit1_fixed_fit_img.png",
      "software": "CRYSOL",
      "chi_square_value": 1.216,
      "p_value": 0.0,
      "fit_residual_plot": "SASDWJ4_fit1_fitresiduals_img.png",
      "fit_data": "https://www.sasbdb.org/media/fitting_files/SASDWJ4_fit1.fit",
      "fit_log": "https://www.sasbdb.org/media/fitting_files/log_files/HSsample04_HSB02_0044_ClassV6m_1-1.log",
      "software_version": "3.2.1",
      "description": ""
    },
    {
      "models": [
        {
          "model_plot": "https://www.sasbdb.org/media/pdb_file/images/SASDWJ4_fit2_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/SASDWJ4_fit2_model1.pdb",
          "model_mw": 22.25,
          "bead_radius": null,
          "log": null,
          "symmetry": null,
          "comment": null,
          "user": 1168
        }
      ],
      "fit_unit": "1/A",
      "fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDWJ4_fit2_fixed_fit_img.png",
      "software": "CRYSOL",
      "chi_square_value": 10.774,
      "p_value": 0.0,
      "fit_residual_plot": "SASDWJ4_fit2_fitresiduals_img.png",
      "fit_data": "https://www.sasbdb.org/media/fitting_files/SASDWJ4_fit2.fit",
      "fit_log": "https://www.sasbdb.org/media/fitting_files/log_files/ClassV_SAXS_HSsample04_HSB02_0044_Ivk1Xix.log",
      "software_version": "3.2.1",
      "description": ""
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  "estimated_volume_method": null,
  "pddf_software": "ATSAS GNOM",
  "pddf_software_version": "5.0",
  "i0_calibration_standard": null,
  "description": null,
  "experiment_description": "Synchrotron SAXS data from solutions of Class V GTP aptamer complex with GTP in 50 mM Bis-Tris, 50 mM KCl, 2 mM MgCl2, pH 6.5 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 3 m and at a wavelength of λ = 0.123985 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One solute concentration of 6.00 mg/ml was measured at 20°C. 40 successive 0.095 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": "arbitrary",
  "experimental_mw": 24.4,
  "experimental_mw_error": null,
  "guinier_i0_mw": null,
  "guinier_i0_mw_error": null,
  "porod_mw": 20.4,
  "porod_mw_error": null,
  "pddf_i0": 0.09546,
  "pddf_i0_error": null,
  "guinier_i0": 0.56766,
  "guinier_i0_error": null,
  "pddf_rg": 2.273,
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  "guinier_rg": 2.22,
  "guinier_rg_error": 0.03,
  "pddf_dmax": 7.56,
  "pddf_dmax_error": null,
  "porod_volume": 33.6,
  "porod_volume_error": null,
  "estimated_volume": null,
  "estimated_volume_error": null,
  "guinier_point_first": 67,
  "guinier_point_last": 201,
  "pddf_point_first": null,
  "pddf_point_last": null,
  "i0_calibration_standard_data": null,
  "intensities_log_log_plot": "SASDWJ4_datloglog_img.png",
  "symmetry": null,
  "last_modified": "2025-12-30T13:43:49.298206+01:00",
  "bragg_peak": []
}