<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-2393" version="3.0.1.1" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_1_1/emdb_relaxed.xsd">
   <admin>
      <current_status>
         <code>REL</code>
         <processing_site>PDBe</processing_site>
      </current_status>
      <sites>
         <deposition>PDBe</deposition>
         <last_processing>PDBe</last_processing>
      </sites>
      <key_dates>
         <deposition>2013-06-03</deposition>
         <header_release>2013-07-03</header_release>
         <map_release>2013-07-03</map_release>
         <update>2013-07-17</update>
      </key_dates>
      <title>Electron cryomicroscopy of human Respiratory Syncytial Virus postfusion F</title>
      <authors_list>
         <author>Liljeroos L</author>
         <author>Krzyzaniak MA</author>
         <author>Helenius A</author>
         <author>Butcher SJ</author>
      </authors_list>
      <keywords>RSV, fusion protein, postfusion</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Liljeroos L</author>
               <author order="2">Krzyzaniak MA</author>
               <author order="3">Helenius A</author>
               <author order="4">Butcher SJ</author>
               <title>Architecture of respiratory syncytial virus revealed by electron cryotomography.</title>
               <journal>PROC.NAT.ACAD.SCI.USA</journal>
               <volume>110</volume>
               <first_page>11133</first_page>
               <last_page>11138</last_page>
               <year>2013</year>
               <external_references type="PUBMED">23776214</external_references>
               <external_references type="DOI">doi:10.1073/pnas.1309070110</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>Human Respiratory Syncytial Virus</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Human Respiratory Syncytial Virus</name>
            <number_unique_components>1</number_unique_components>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name>prefusion F</name>
            <natural_source database="NCBI">
               <organism ncbi="11250">Human respiratory syncytial virus</organism>
            </natural_source>
            <oligomeric_state>Trimer</oligomeric_state>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
            <sequence>
               <external_references type="UNIPROTKB">P03420</external_references>
            </sequence>
         </protein_or_peptide>
      </macromolecule_list>
   </sample>
   <structure_determination_list>
      <structure_determination structure_determination_id="1">
         <method>subtomogramAveraging</method>
         <aggregation_state>particle</aggregation_state>
         <specimen_preparation_list>
            <subtomogram_averaging_preparation preparation_id="1">
               <buffer>
                  <ph>7.4</ph>
                  <details>HBSS, 25 mM Hepes</details>
               </buffer>
               <grid>
                  <details>C-flat 2/2-2C and C-flat 2/2-4C, holey carbon copper grid</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <instrument>HOMEMADE PLUNGER</instrument>
                  <details>Vitrification instrument: Homemade plunger</details>
                  <method>Blot for 4 seconds before plunging</method>
               </vitrification>
            </subtomogram_averaging_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <subtomogram_averaging_microscopy microscopy_id="1">
               <microscope>FEI TECNAI F20</microscope>
               <illumination_mode>FLOOD BEAM</illumination_mode>
               <imaging_mode>BRIGHT FIELD</imaging_mode>
               <electron_source>FIELD EMISSION GUN</electron_source>
               <acceleration_voltage units="kV">200</acceleration_voltage>
               <nominal_cs units="mm">2.0</nominal_cs>
               <nominal_defocus_min units="&#181;m">5.0</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">6.0</nominal_defocus_max>
               <nominal_magnification>39400.0</nominal_magnification>
               <calibrated_magnification>39400.0</calibrated_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <date>2012-10-28</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">GATAN ULTRASCAN 4000 (4k x 4k)</film_or_detector_model>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Eucentric</specimen_holder>
               <tilt_series>
                  <axis1>
                     <min_angle units="deg">-60</min_angle>
                     <max_angle units="deg">60</max_angle>
                  </axis1>
               </tilt_series>
            </subtomogram_averaging_microscopy>
         </microscopy_list>
         <subtomogram_averaging_processing image_processing_id="1">
            <details>Subtomograms were manually selected from the tomograms by visual inspection</details>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C3</point_group>
               </applied_symmetry>
               <resolution res_type="BY AUTHOR" units="&#8491;">36.0</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>IMOD, PEET, Bsoft</name>
                  </software>
               </software_list>
               <number_subtomograms_used>2857</number_subtomograms_used>
            </final_reconstruction>
         </subtomogram_averaging_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="5489">
      <file>emd_2393.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>112</col>
         <row>112</row>
         <sec>112</sec>
      </dimensions>
      <origin>
         <col>-56</col>
         <row>-56</row>
         <sec>-56</sec>
      </origin>
      <spacing>
         <x>112</x>
         <y>112</y>
         <z>112</z>
      </spacing>
      <cell>
         <a units="&#8491;">860.16</a>
         <b units="&#8491;">860.16</b>
         <c units="&#8491;">860.16</c>
         <alpha units="deg">90.0</alpha>
         <beta units="deg">90.0</beta>
         <gamma units="deg">90.0</gamma>
      </cell>
      <axis_order>
         <fast>X</fast>
         <medium>Y</medium>
         <slow>Z</slow>
      </axis_order>
      <statistics>
         <minimum>-12.705457689999999</minimum>
         <maximum>36.983715060000002</maximum>
         <average>-0.00000021</average>
         <std>0.99999613</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">7.68</x>
         <y units="&#8491;">7.68</y>
         <z units="&#8491;">7.68</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>2.0</level>
            <source>EMDB</source>
         </contour>
      </contour_list>
      <annotation_details>Subtomogram average of hRSV postfusion F</annotation_details>
      <details>::::EMDATABANK.org::::EMD-2393::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>3RRT</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>Chimera</name>
               </software>
            </software_list>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
      <figure_list>
         <figure>
            <file>emd_2393.tif</file>
         </figure>
      </figure_list>
   </interpretation>
</emd>