<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-2773" 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>2014-08-29</deposition>
         <header_release>2014-10-08</header_release>
         <map_release>2014-10-22</map_release>
         <update>2014-11-19</update>
      </key_dates>
      <title>Molecular basis for the ribosome functioning as a L-tryptophan sensor - Cryo-EM structure of a TnaC stalled E.coli ribosome</title>
      <authors_list>
         <author>Bischoff L</author>
         <author>Berninghausen O</author>
         <author>Beckmann R</author>
      </authors_list>
      <keywords>TnaC, stalled ribosome, Cryo-EM, translation regulation</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Bischoff L</author>
               <author order="2">Berninghausen O</author>
               <author order="3">Beckmann R</author>
               <title>Molecular basis for the ribosome functioning as a L-tryptophan sensor</title>
               <journal>Cell Rep.</journal>
               <volume>9</volume>
               <first_page>469</first_page>
               <last_page>475</last_page>
               <year>2014</year>
               <external_references type="PUBMED">25310980</external_references>
               <external_references type="DOI">doi:10.1016/j.celrep.2014.09.011</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>4uy8</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>TnaC stalled E.coli ribosome</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>TnaC stalled E.coli ribosome</name>
            <number_unique_components>2</number_unique_components>
         </sample_supramolecule>
         <complex_supramolecule supramolecule_id="1">
            <name>E.coli ribosome</name>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <natural_source database="NCBI">
               <organism ncbi="562">Escherichia coli</organism>
               <strain>KC6</strain>
            </natural_source>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
            <ribosome-details>ribosome-prokaryote: ALL</ribosome-details>
         </complex_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="TnaC">Tryptophanase leader peptide</name>
            <natural_source database="NCBI">
               <organism ncbi="562">Escherichia coli</organism>
            </natural_source>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
            <sequence>
               </sequence>
         </protein_or_peptide>
      </macromolecule_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>ETHANE</cryogen_name>
                  <instrument>FEI VITROBOT MARK IV</instrument>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI TITAN KRIOS</microscope>
               <illumination_mode>SPOT SCAN</illumination_mode>
               <imaging_mode>BRIGHT FIELD</imaging_mode>
               <electron_source>FIELD EMISSION GUN</electron_source>
               <acceleration_voltage units="kV">300</acceleration_voltage>
               <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
               <date>2014-01-27</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">FEI FALCON II (4k x 4k)</film_or_detector_model>
                     <number_real_images>3000</number_real_images>
                     <bits_per_pixel>32.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>Micrograph</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <resolution res_type="BY AUTHOR" units="&#8491;">3.8</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>Spider</name>
                  </software>
               </software_list>
               <number_images_used>72468</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="194673">
      <file>emd_2773.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>368</col>
         <row>368</row>
         <sec>368</sec>
      </dimensions>
      <origin>
         <col>-184</col>
         <row>-184</row>
         <sec>-183</sec>
      </origin>
      <spacing>
         <x>368</x>
         <y>368</y>
         <z>368</z>
      </spacing>
      <cell>
         <a units="&#8491;">404.80002</a>
         <b units="&#8491;">404.80002</b>
         <c units="&#8491;">404.80002</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>-2.71148705</minimum>
         <maximum>3.35368133</maximum>
         <average>-0.00110617</average>
         <std>0.18318665</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">1.1</x>
         <y units="&#8491;">1.1</y>
         <z units="&#8491;">1.1</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>0.9</level>
            <source>EMDB</source>
         </contour>
      </contour_list>
      <annotation_details>Cryo-EM structure of a TnaC stalled ribosome</annotation_details>
      <details>::::EMDATABANK.org::::EMD-2773::::</details>
   </map>
   <interpretation>
      <figure_list>
         <figure>
            <file>emd_2773.jpg</file>
         </figure>
      </figure_list>
   </interpretation>
</emd>