Bacteriophage phi-X174 - Before Reaction with LPS

{
  "code": "SASDCU9",
  "status": "Published",
  "type_of_curve": "Single concentration",
  "angular_unit": "1/A",
  "project": {
    "title": "Structural changes of tailless bacteriophage ΦX174 during penetration of bacterial cell walls.",
    "publication": {
      "title": "Structural changes of tailless bacteriophage ΦX174 during penetration of bacterial cell walls.",
      "author_list": "Sun Y, Roznowski AP, Tokuda JM, Klose T, Mauney A, Pollack L, Fane BA, Rossmann MG",
      "journal": "Proc Natl Acad Sci U S A",
      "doi": "10.1073/pnas.1716614114",
      "pmid": "29229840",
      "published_date": "2017 Dec 26"
    },
    "status": "released",
    "submitted_date": "2017-11-29",
    "released_date": "2017-12-12"
  },
  "pddf_data": null,
  "intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDCU9.dat",
  "intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDCU9_dat_img.png",
  "intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDCU9_kratky_img.png",
  "pddf_plot": null,
  "intensities_guinier_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDCU9_guinier_img.png",
  "sascif_data": "https://www.sasbdb.org/media/sascif/sascif_files/SASDCU9.sascif",
  "experiment": {
    "instrument": {
      "detector": {
        "type": "Pilatus",
        "name": "Pilatus 200K",
        "resolution": 172.0
      },
      "name": "Cornell High Energy Synchrotron Source (CHESS)",
      "city": "Ithaca, NY",
      "country": "USA",
      "beamline_name": "G1",
      "beam_geometry": "",
      "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": "Bacteriophage phi-X174",
          "short_name": null,
          "sequence": "NA",
          "organism": null,
          "uniprot_code": null,
          "uniprot_range_first": null,
          "uniprot_range_last": null,
          "oligomerization": "monomer",
          "molecular_type": "protein",
          "uniprot_sequence": null,
          "mw": 0.203,
          "total_mw": 0.203,
          "number_molecules": 1,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": null
        }
      ],
      "buffer": {
        "name": "0.06 M NH4Cl2, 0.09 M NaCl, 0.1 M KCl, 1 mM MgS04, 1 mM CaCl2, 0.1 M Tris-HCl",
        "concentration_unit": null,
        "comment": "Buffer for non-reacting experiments",
        "additive": null,
        "concentration": null,
        "pka": null,
        "ph": 7.4,
        "deuteration": null
      },
      "purity_method": null,
      "name": "Bacteriophage phi-X174 - Before Reaction with LPS",
      "ext_coefficient": null,
      "contrast": null,
      "specific_vol": null,
      "dry_vol": null,
      "absorbption": null,
      "deuteration": null,
      "mixture": null
    },
    "contributor": [
      {
        "affiliation": [
          {
            "short_name": null,
            "address": "Ithaca, NY, United States",
            "full_name": "Cornell University",
            "webpage": "https://www.cornell.edu/"
          }
        ],
        "contributor_name": "Alex",
        "contributor_surname": "Mauney",
        "orcid": null
      }
    ],
    "concentration_method": null,
    "concentration_unit": null,
    "date": "2015-10-25",
    "storage_temperature": 0.0,
    "cell_temperature": 33.0,
    "exposure_time": 10.0,
    "number_of_frames": 10,
    "wavelength": 0.1109,
    "sample_detector_distance": 2.052,
    "concentration_min": null,
    "concentration_max": 0.1,
    "sample_volume": null,
    "flow_rate": null,
    "s_min": 0.06,
    "s_max": 2.6,
    "total_exposure_time": null,
    "seccolumn": null
  },
  "fits": [],
  "estimated_volume_method": null,
  "pddf_software": null,
  "pddf_software_version": null,
  "i0_calibration_standard": null,
  "description": "Note: Due to the size of the capsids, the Rg and I(0) obtained from Guinier analysis should be interpreted as approximated estimates only.",
  "experiment_description": "Synchrotron SAXS data from solutions of Bacteriophage phi-X174 - before reaction with Lipopolysaccharide (LPS) in 0.06 M NH4Cl2, 0.09 M NaCl, 0.1 M KCl, 1 mM MgS04, 1 mM CaCl2, 0.1 M Tris-HCl, pH 7.4 were collected on the BioSAXS G1 beam line at the Cornell High Energy Synchrotron Source (CHESS; Ithaca, NY, USA) using a Pilatus Pilatus 200K detector at a sample-detector distance of 2.1 m and at a wavelength of λ = 0.1109 nm (I(s) vs s, where s = 4πsinθ/λ and 2θ is the scattering angle). One solute concentration of 0.10 mg/ml phage was measured at 33°C. 10 successive 10 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": 0.0,
  "experimental_mw_error": null,
  "guinier_i0_mw": null,
  "guinier_i0_mw_error": null,
  "porod_mw": null,
  "porod_mw_error": null,
  "pddf_i0": null,
  "pddf_i0_error": null,
  "guinier_i0": 26.63,
  "guinier_i0_error": 0.05,
  "pddf_rg": null,
  "pddf_rg_error": null,
  "guinier_rg": 12.09,
  "guinier_rg_error": 0.05,
  "pddf_dmax": null,
  "pddf_dmax_error": null,
  "porod_volume": null,
  "porod_volume_error": null,
  "estimated_volume": null,
  "estimated_volume_error": null,
  "guinier_point_first": null,
  "guinier_point_last": null,
  "pddf_point_first": null,
  "pddf_point_last": null,
  "i0_calibration_standard_data": null,
  "intensities_log_log_plot": "SASDCU9_datloglog_img.png",
  "symmetry": null,
  "last_modified": "2019-12-06T13:07:15.624532+01:00",
  "bragg_peak": []
}

{
  "code": "SASDCU9",
  "status": "success",
  "started_at": "2026-08-11T16:22:08.542816+00:00",
  "finished_at": "2026-08-11T16:22:13.980923+00:00",
  "source_last_modified": "2019-12-06T13:07:15.624532+01:00",
  "files": [
    {
      "status": "downloaded",
      "url": "https://www.sasbdb.org/rest-api/entry/summary/SASDCU9/",
      "path": "/data/saxsdb/sasbdb/entries/u9/sasdcu9/source/summary.json",
      "size": 6064,
      "sha256": "c8c0165edab601a3739a04e4af023a256e85e91dd32760333fe8e4d074ef24e3"
    },
    {
      "status": "downloaded",
      "url": "https://www.sasbdb.org/media/intensities_files/SASDCU9.dat",
      "path": "/data/saxsdb/sasbdb/entries/u9/sasdcu9/source/SASDCU9.dat",
      "size": 6377,
      "sha256": "05e9c4b9a9ebc3ecf06ee71b7f388e1192b7503188a5f9b986064f2cd8c67cc8",
      "role": "curve"
    },
    {
      "role": "pddf",
      "status": "not_listed",
      "path": "/data/saxsdb/sasbdb/entries/u9/sasdcu9/source/SASDCU9.out"
    },
    {
      "status": "downloaded",
      "url": "https://www.sasbdb.org/media/sascif/sascif_files/SASDCU9.sascif",
      "path": "/data/saxsdb/sasbdb/entries/u9/sasdcu9/source/SASDCU9.sascif",
      "size": 18917,
      "sha256": "478a57a976a7e123eb13ad3c0e7603382123f929d899247955e5f9b01161e070",
      "role": "sascif"
    },
    {
      "status": "downloaded",
      "url": "https://www.sasbdb.org/media/zip_directories/SASDCU9.zip",
      "path": "/data/saxsdb/sasbdb/entries/u9/sasdcu9/source/SASDCU9.zip",
      "size": 2466,
      "sha256": "41e40b8fb9a6d157bdbb4654542e223632f254e3fa4d82727dcb9dcab7783964",
      "role": "full_entry_zip",
      "zip_member_count": 1,
      "zip_validation": "central_directory_readable"
    }
  ]
}