<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-2278" 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>2013-01-11</deposition>
         <header_release>2013-01-30</header_release>
         <map_release>2013-10-02</map_release>
         <update>2013-10-02</update>
      </key_dates>
      <title>cryoEM structure of hepatitis B virus core assembled from full-length core protein</title>
      <authors_list>
         <author>Yu X</author>
         <author>Jin L</author>
         <author>Jih J</author>
         <author>Shih C</author>
         <author>Zhou ZH</author>
      </authors_list>
      <keywords>hepatitis B virus core antigen (HBc), HBV capsid maturation and envelopment</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Yu X</author>
               <author order="2">Jin L</author>
               <author order="3">Jih J</author>
               <author order="4">Shih C</author>
               <author order="5">Zhou ZH</author>
               <title>3.5 Angstrom cryoEM Structure of Hepatitis B Virus Core Assembled from Full-Length Core Protein</title>
               <journal>PLOS ONE</journal>
               <volume>8</volume>
               <first_page>e69729</first_page>
               <last_page>e69729</last_page>
               <year>2013</year>
               <external_references type="PUBMED">24039702</external_references>
               <external_references type="DOI">doi:10.1371/journal.pone.0069729</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>3j2v</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>Hepatitis B virus core assembled from full-length core protein</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Hepatitis B virus core assembled from full-length core protein</name>
            <oligomeric_state>Icosahedral particle</oligomeric_state>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <experimental units="MDa">5</experimental>
               <theoretical units="MDa">5</theoretical>
               <method>Based on amino acid sequences</method>
            </molecular_weight>
         </sample_supramolecule>
         <virus_supramolecule supramolecule_id="1">
            <name>Hepatitis B virus</name>
            <sci_species_name ncbi="10407">Hepatitis B virus</sci_species_name>
            <natural_host database="NCBI">
               <organism ncbi="9606">Homo sapiens</organism>
               <synonym_organism>VERTEBRATES</synonym_organism>
            </natural_host>
            <host_system database="NCBI">
               <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
               <recombinant_plasmid>pET-11a</recombinant_plasmid>
            </host_system>
            <molecular_weight>
               <experimental units="MDa">5</experimental>
               <theoretical units="MDa">5</theoretical>
            </molecular_weight>
            <virus_shell shell_id="1">
               <diameter units="&#8491;">360</diameter>
               <triangulation>4</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">
               <vitrification>
                  <cryogen_name>NITROGEN</cryogen_name>
                  <chamber_humidity units="percentage">100</chamber_humidity>
                  <chamber_temperature units="K">120</chamber_temperature>
                  <instrument>FEI VITROBOT MARK II</instrument>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI TITAN KRIOS</microscope>
               <illumination_mode>FLOOD BEAM</illumination_mode>
               <imaging_mode>BRIGHT FIELD</imaging_mode>
               <electron_source>FIELD EMISSION GUN</electron_source>
               <acceleration_voltage units="kV">300</acceleration_voltage>
               <nominal_cs units="mm">2.75</nominal_cs>
               <nominal_magnification>75000.0</nominal_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <date>2009-01-01</date>
               <image_recording_list>
                  <image_recording>
                     <digitization_details>
                        <scanner>NIKON SUPER COOLSCAN 9000</scanner>
                     </digitization_details>
                     <average_electron_dose_per_image units="e/&#8491;^2">25</average_electron_dose_per_image>
                  </image_recording>
               </image_recording_list>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>Each particle</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>I</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">3.5</resolution>
               <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>IMIRS</name>
                  </software>
               </software_list>
               <number_images_used>8093</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="332751">
      <file>emd_2278.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>440</col>
         <row>440</row>
         <sec>440</sec>
      </dimensions>
      <origin>
         <col>-220</col>
         <row>-220</row>
         <sec>-220</sec>
      </origin>
      <spacing>
         <x>440</x>
         <y>440</y>
         <z>440</z>
      </spacing>
      <cell>
         <a units="&#8491;">410.652</a>
         <b units="&#8491;">410.652</b>
         <c units="&#8491;">410.652</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>-9.45280552</minimum>
         <maximum>15.384388919999999</maximum>
         <average>0.04746093</average>
         <std>1.25213301</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">0.9333</x>
         <y units="&#8491;">0.9333</y>
         <z units="&#8491;">0.9333</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>1.35</level>
            <source>EMDB</source>
         </contour>
      </contour_list>
      <annotation_details>Reconstruction of HBV</annotation_details>
      <details>::::EMDATABANK.org::::EMD-2278::::</details>
   </map>
</emd>