<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-2235" 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>2012-11-20</deposition>
         <header_release>2012-11-28</header_release>
         <map_release>2013-01-16</map_release>
         <update>2013-03-06</update>
      </key_dates>
      <title>Electron cryo-microscopy of a head-tailed virus infecting extremely halophilic archaea</title>
      <authors_list>
         <author>Pietila MK</author>
         <author>Laurinmaki P</author>
         <author>Russell DA</author>
         <author>Ko CC</author>
         <author>Jacobs-Sera D</author>
         <author>Butcher SJ</author>
         <author>Bamford DH</author>
         <author>Hendrix RW</author>
      </authors_list>
      <keywords>Icosahedral capsid</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Pietila MK</author>
               <author order="2">Laurinmaki P</author>
               <author order="3">Russell DA</author>
               <author order="4">Ko CC</author>
               <author order="5">Jacobs-Sera D</author>
               <author order="6">Butcher SJ</author>
               <author order="7">Bamford DH</author>
               <author order="8">Hendrix RW</author>
               <title>Insights into head-tailed viruses infecting extremely halophilic archaea.</title>
               <journal>J.VIROL.</journal>
               <volume>87</volume>
               <first_page>3248</first_page>
               <last_page>3260</last_page>
               <year>2013</year>
               <external_references type="PUBMED">23283946</external_references>
               <external_references type="DOI">doi:10.1128/JVI.03397-12</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>archaeal virus HSTV-2</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>archaeal virus HSTV-2</name>
            <number_unique_components>1</number_unique_components>
         </sample_supramolecule>
         <virus_supramolecule supramolecule_id="1">
            <name>HSTV-2</name>
            <sci_species_name>HSTV-2</sci_species_name>
            <natural_host database="NCBI">
               <organism ncbi="35743">Halorubrum sodomense</organism>
               <synonym_organism>ARCHAEA</synonym_organism>
            </natural_host>
            <host_system database="NCBI">
               </host_system>
            <virus_shell shell_id="1">
               <diameter units="&#8491;">738</diameter>
               <triangulation>7</triangulation>
            </virus_shell>
            <virus_type>VIRION</virus_type>
            <virus_isolate>SPECIES</virus_isolate>
            <virus_enveloped>false</virus_enveloped>
            <virus_empty>false</virus_empty>
         </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">
               <buffer>
                  <ph>7.2</ph>
                  <details>20mM Tris-HCl</details>
               </buffer>
               <grid>
                  <details>Quantifoil holey carbon film on 300 mesh copper grid.</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <instrument>HOMEMADE PLUNGER</instrument>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_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">0.7</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">2.9</nominal_defocus_max>
               <nominal_magnification>62000.0</nominal_magnification>
               <calibrated_magnification>62000.0</calibrated_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <date>2009-12-03</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>ZEISS SCAI</scanner>
                        <sampling_interval units="&#181;m">7</sampling_interval>
                     </digitization_details>
                     <bits_per_pixel>12.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>I</point_group>
               </applied_symmetry>
               <resolution res_type="BY AUTHOR" units="&#8491;">9.8</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>AUTO3DEM</name>
                  </software>
               </software_list>
               <number_images_used>4930</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
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      <file>emd_2235.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
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         <col>451</col>
         <row>451</row>
         <sec>451</sec>
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      <origin>
         <col>0</col>
         <row>0</row>
         <sec>0</sec>
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      <spacing>
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         <a units="&#8491;">1019.26</a>
         <b units="&#8491;">1019.26</b>
         <c units="&#8491;">1019.26</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>
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      <statistics>
         <minimum>-2266.0</minimum>
         <maximum>2508.0</maximum>
         <average>-916.080383299999994</average>
         <std>309.609649660000002</std>
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      <pixel_spacing>
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         <y units="&#8491;">2.26</y>
         <z units="&#8491;">2.26</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>-700.0</level>
            <source>EMDB</source>
         </contour>
      </contour_list>
      <annotation_details>Reconstruction of archaeal virus</annotation_details>
      <details>::::EMDATABANK.org::::EMD-2235::::</details>
   </map>
   <interpretation>
      <figure_list>
         <figure>
            <file>emd_2235.tif</file>
         </figure>
      </figure_list>
   </interpretation>
</emd>