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   <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>2015-11-01</deposition>
         <header_release>2015-11-18</header_release>
         <map_release>2015-11-18</map_release>
         <update>2015-11-18</update>
      </key_dates>
      <title>Sub-tomogram averaging in RELION</title>
      <authors_list>
         <author>Bharat TAM</author>
         <author>Scheres SHW</author>
      </authors_list>
      <keywords>sub-tomogram averaging, RELION, regularized-likelihood, tomography, cryo-EM, ribosome</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="false">
               <author order="1">Bharat TAM</author>
               <author order="2">Scheres SHW</author>
               <title>Sub-tomogram averaging in RELION</title>
               <journal>To Be Published</journal>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>S. cervisiae 80 S ribosome</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>S. cervisiae 80 S ribosome</name>
            <oligomeric_state>monomer</oligomeric_state>
            <number_unique_components>1</number_unique_components>
         </sample_supramolecule>
         <complex_supramolecule supramolecule_id="1">
            <name>S. cerevisiae 80S ribosome</name>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <natural_source database="NCBI">
               <organism ncbi="4932">Saccharomyces cerevisiae</organism>
               <strain>Sacharomyces cerevisiae</strain>
               <synonym_organism>Saccharomyces cerevisiae</synonym_organism>
            </natural_source>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
            <ribosome-details>ribosome-eukaryote: ALL</ribosome-details>
         </complex_supramolecule>
      </supramolecule_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">
               <grid>
                  <details>200 mesh Copper/Rhodium grid R 2/2 from Quantifoil with a extra thin layer of carbon deposited before sample application</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_humidity units="percentage">100</chamber_humidity>
                  <instrument>FEI VITROBOT MARK III</instrument>
               </vitrification>
            </subtomogram_averaging_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <subtomogram_averaging_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">2.7</nominal_cs>
               <nominal_defocus_min units="&#181;m">3.0</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">5.0</nominal_defocus_max>
               <nominal_magnification>53000.0</nominal_magnification>
               <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
               <specialist_optics>
                  <energy_filter>
                     <name>Gatan Quantum Energy Filter</name>
                     <lower_energy_threshold units="eV">0.0</lower_energy_threshold>
                     <upper_energy_threshold units="eV">20.0</upper_energy_threshold>
                  </energy_filter>
               </specialist_optics>
               <date>2013-05-24</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                     <average_electron_dose_per_image units="e/&#8491;^2">60</average_electron_dose_per_image>
                  </image_recording>
               </image_recording_list>
               <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>Sub-tomograms were manually picked in IMOD and sub-tomogram refinement was conducted in RELION.</details>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">13.0</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>IMOD, Tomo3D, RELION</name>
                  </software>
               </software_list>
               <number_subtomograms_used>3120</number_subtomograms_used>
            </final_reconstruction>
            <ctf_correction>
               <details>RELION 3D CTF Model</details>
            </ctf_correction>
            <final_three_d_classification>
               <number_classes>1</number_classes>
            </final_three_d_classification>
            <final_angle_assignment>
               <details>Full Euler angle search was conducted starting from random angles in RELION 3D auto-refine.</details>
            </final_angle_assignment>
         </subtomogram_averaging_processing>
      </structure_determination>
   </structure_determination_list>
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      <file>emd_3228.map.gz</file>
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         <row>200</row>
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         <a units="&#8491;">434.0</a>
         <b units="&#8491;">434.0</b>
         <c units="&#8491;">434.0</c>
         <alpha units="deg">90.0</alpha>
         <beta units="deg">90.0</beta>
         <gamma units="deg">90.0</gamma>
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      <axis_order>
         <fast>X</fast>
         <medium>Y</medium>
         <slow>Z</slow>
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      <statistics>
         <minimum>-0.29213694</minimum>
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         <average>0.01224953</average>
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      <contour_list>
         <contour primary="true">
            <level>0.2</level>
            <source>AUTHOR</source>
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      <annotation_details>ab-initio reconstruction of the S. cerevisiae 80S ribosome using sub-tomogram averaging in RELION</annotation_details>
      <details>::::EMDATABANK.org::::EMD-3228::::</details>
   </map>
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