<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-3406" 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>2016-04-07</deposition>
         <header_release>2016-05-04</header_release>
         <map_release>2017-02-01</map_release>
         <update>2017-07-26</update>
      </key_dates>
      <title>Eilat virus/Chikungunya virus chimeric vaccine candidate</title>
      <authors_list>
         <author>Kaelber JT</author>
         <author>Erasmus JH</author>
         <author>Kim DY</author>
         <author>Frolov I</author>
         <author>Nasar F</author>
         <author>Weaver SC</author>
         <author>Chiu W</author>
      </authors_list>
      <keywords>alphavirus, virion, Togaviridae, vaccine</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Erasmus JH</author>
               <author order="2">Auguste AJ</author>
               <author order="3">Kaelber JT</author>
               <author order="4">Luo H</author>
               <author order="5">Rossi SL</author>
               <author order="6">Fenton K</author>
               <author order="7">Leal G</author>
               <author order="8">Kim DY</author>
               <author order="9">Chiu W</author>
               <author order="10">Wang T</author>
               <author order="11">Frolov I</author>
               <author order="12">Nasar F</author>
               <author order="13">Weaver SC</author>
               <title>A chikungunya fever vaccine utilizing an insect-specific virus platform</title>
               <journal>NAT.MED. (N.Y.)</journal>
               <volume>23</volume>
               <first_page>192</first_page>
               <last_page>199</last_page>
               <year>2017</year>
               <external_references type="PUBMED">27991917</external_references>
               <external_references type="DOI">doi:10.1038/nm.4253</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>Icosahedral reconstruction of virion of EILV/CHIKV chimera</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Icosahedral reconstruction of virion of EILV/CHIKV chimera</name>
            <number_unique_components>1</number_unique_components>
         </sample_supramolecule>
         <virus_supramolecule supramolecule_id="1">
            <name>Eilat virus/Chikungunya virus chimera</name>
            <details>Contains structural proteins from Chikungunya strain 99659 isolated from the British Virgin Islands.</details>
            <sci_species_name>Eilat virus/Chikungunya virus chimera</sci_species_name>
            <natural_host database="NCBI">
               <organism ncbi="7160">Aedes albopictus</organism>
               <synonym_organism>INVERTEBRATES</synonym_organism>
            </natural_host>
            <host_system database="NCBI">
               </host_system>
            <virus_shell shell_id="1">
               <triangulation>4</triangulation>
            </virus_shell>
            <virus_type>VIRION</virus_type>
            <virus_isolate>OTHER</virus_isolate>
            <virus_enveloped>true</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>8.0</ph>
                  <details>10mM Tris-HCl 1mM EDTA 100mM NaCl</details>
               </buffer>
               <grid>
                  <details>200 mesh Quantifoil</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_humidity units="percentage">100</chamber_humidity>
                  <instrument>FEI VITROBOT MARK IV</instrument>
                  <method>Blot for 2 seconds before plunging</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>JEOL 3200FSC</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">4.7</nominal_cs>
               <nominal_defocus_min units="&#181;m">0.5</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">4.5</nominal_defocus_max>
               <nominal_magnification>30000.0</nominal_magnification>
               <calibrated_magnification>32487.0</calibrated_magnification>
               <specimen_holder_model>JEOL 3200FSC CRYOHOLDER</specimen_holder_model>
               <temperature>
                  <temperature_average units="K">94.9</temperature_average>
               </temperature>
               <specialist_optics>
                  <energy_filter>
                     <name>Omega filter</name>
                     <lower_energy_threshold units="eV">0.0</lower_energy_threshold>
                     <upper_energy_threshold units="eV">25.0</upper_energy_threshold>
                  </energy_filter>
               </specialist_optics>
               <date>2014-10-17</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">DIRECT ELECTRON DE-20 (5k x 3k)</film_or_detector_model>
                     <number_real_images>348</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">60</average_electron_dose_per_image>
                     <details>2s exposure at 16 frames per second. Movie corrected for motion and specimen damage with DE_process_frames.py written by Ben Bammes of Direct Electron, L.P.</details>
                  </image_recording>
               </image_recording_list>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <details>Refined in independent halves starting from an initial model derived from low-resolution imaging on a JEM2010F</details>
            <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;">9.85</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>MPSA, EMAN2</name>
                  </software>
               </software_list>
               <details>Boxing and CTF correction using EMAN2. Alignment and reconstruction using MPSA. Post-processing using EMAN2.</details>
               <number_images_used>13455</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="221185">
      <file>emd_3406.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>384</col>
         <row>384</row>
         <sec>384</sec>
      </dimensions>
      <origin>
         <col>-192</col>
         <row>-192</row>
         <sec>-192</sec>
      </origin>
      <spacing>
         <x>384</x>
         <y>384</y>
         <z>384</z>
      </spacing>
      <cell>
         <a units="&#8491;">756.48</a>
         <b units="&#8491;">756.48</b>
         <c units="&#8491;">756.48</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>-0.74064136</minimum>
         <maximum>1.54598391</maximum>
         <average>-0.0071753</average>
         <std>0.23466673</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">1.9699999</x>
         <y units="&#8491;">1.9699999</y>
         <z units="&#8491;">1.9699999</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>0.25</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>Icosahedral reconstruction of virion of EILV/CHIKV chimera</annotation_details>
      <details>::::EMDATABANK.org::::EMD-3406::::</details>
   </map>
   <interpretation>
      <figure_list>
         <figure>
            <file>emd_3406.png</file>
         </figure>
      </figure_list>
   </interpretation>
   <validation>
      <fsc_curve>
         <file>emd_3406_fsc.xml</file>
      </fsc_curve>
   </validation>
</emd>