<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1662" 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>2009-11-04</deposition>
         <header_release>2010-01-08</header_release>
         <map_release>2010-01-08</map_release>
         <update>2014-04-16</update>
      </key_dates>
      <title>Structural Studies of the Sputnik Virophage</title>
      <authors_list>
         <author>Sun S</author>
         <author>Scola BL</author>
         <author>Bowman VD</author>
         <author>Ryan CM</author>
         <author>Whitelegge JP</author>
         <author>Raoult D</author>
         <author>Rossmann MG</author>
      </authors_list>
      <keywords>Virophage, Mimivirus, PRD1-adenovirus lineage</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Sun S</author>
               <author order="2">La Scola B</author>
               <author order="3">Bowman VD</author>
               <author order="4">Ryan CM</author>
               <author order="5">Whitelegge JP</author>
               <author order="6">Raoult D</author>
               <author order="7">Rossmann MG</author>
               <title>Structural studies of the Sputnik virophage.</title>
               <journal>J.VIROL.</journal>
               <volume>84</volume>
               <first_page>894</first_page>
               <last_page>897</last_page>
               <year>2010</year>
               <external_references type="PUBMED">19889775</external_references>
               <external_references type="DOI">doi:10.1128/JVI.01957-09</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>3kk5</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>Sputnik</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Sputnik</name>
            <details>1mg per ml concentration</details>
            <number_unique_components>1</number_unique_components>
         </sample_supramolecule>
         <virus_supramolecule supramolecule_id="1">
            <name synonym="Sputnik">Sputnik virophage</name>
            <sci_species_name ncbi="543939">Sputnik virophage</sci_species_name>
            <natural_host database="NCBI">
               <organism ncbi="5757">Acanthamoeba polyphaga</organism>
               <synonym_organism>PROTOZOA</synonym_organism>
            </natural_host>
            <host_system database="NCBI">
               </host_system>
            <virus_shell shell_id="1">
               <name>gp20</name>
               <diameter units="&#8491;">730</diameter>
               <triangulation>27</triangulation>
            </virus_shell>
            <virus_type>SATELLITE</virus_type>
            <virus_isolate>STRAIN</virus_isolate>
            <virus_enveloped>false</virus_enveloped>
            <virus_empty>false</virus_empty>
            <syn_species_name>Sputnik</syn_species_name>
         </virus_supramolecule>
      </supramolecule_list>
   </sample>
   <structure_determination_list>
      <structure_determination structure_determination_id="1">
         <method>singleParticle</method>
         <aggregation_state>particle</aggregation_state>
         <specimen_preparation_list>
            <single_particle_preparation preparation_id="1">
               <concentration units="mg/mL">1</concentration>
               <buffer>
                  <ph>7.4</ph>
                  <details>PBS</details>
               </buffer>
               <grid>
                  <details>Holey grids</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_temperature units="K">90</chamber_temperature>
                  <instrument>HOMEMADE PLUNGER</instrument>
                  <details>Vitrification instrument: In-house, gravity driven plunger</details>
                  <method>3.5ul of sample hand blotted approx. 1sec</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI/PHILIPS CM200FEG</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">0.767</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">3.582</nominal_defocus_max>
               <nominal_magnification>38000.0</nominal_magnification>
               <calibrated_magnification>39190.0</calibrated_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <image_recording_list>
                  <image_recording>
                     <digitization_details>
                        <scanner>NIKON SUPER COOLSCAN 9000</scanner>
                        <sampling_interval units="&#181;m">6.35</sampling_interval>
                     </digitization_details>
                     <number_real_images>115</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">20</average_electron_dose_per_image>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Side entry liquid nitrogen-cooled cryo specimen holder</specimen_holder>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>Each micrograph</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>I</point_group>
               </applied_symmetry>
               <resolution res_type="BY AUTHOR" units="&#8491;">10.6</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>EMAN</name>
                  </software>
               </software_list>
               <number_images_used>6780</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="1024001">
      <file>emd_1662.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>640</col>
         <row>640</row>
         <sec>640</sec>
      </dimensions>
      <origin>
         <col>-320</col>
         <row>-320</row>
         <sec>-320</sec>
      </origin>
      <spacing>
         <x>640</x>
         <y>640</y>
         <z>640</z>
      </spacing>
      <cell>
         <a units="&#8491;">1036.8</a>
         <b units="&#8491;">1036.8</b>
         <c units="&#8491;">1036.8</c>
         <alpha units="deg">90</alpha>
         <beta units="deg">90</beta>
         <gamma units="deg">90</gamma>
      </cell>
      <axis_order>
         <fast>X</fast>
         <medium>Y</medium>
         <slow>Z</slow>
      </axis_order>
      <statistics>
         <minimum>-5.2826</minimum>
         <maximum>8.17328</maximum>
         <average>0.0357989</average>
         <std>0.992055</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">1.62</x>
         <y units="&#8491;">1.62</y>
         <z units="&#8491;">1.62</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>2.0</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>This is a map of an icosahedral reconstruction of Sputnik low pass filtered to 10A and sharpened with a structure factor file.</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1662::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>1M3Y</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>EMFIT</name>
               </software>
            </software_list>
            <details>Protocol: Rigid Body</details>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>