<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1918" 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>2011-06-29</deposition>
         <header_release>2011-07-22</header_release>
         <map_release>2012-04-27</map_release>
         <update>2014-09-10</update>
      </key_dates>
      <title>Binding conformations and positions of RRF and EF-G during intermediate state of ribosome recycling</title>
      <authors_list>
         <author>Yokoyama T</author>
         <author>Shaikh TR</author>
         <author>Iwakura N</author>
         <author>Kaji H</author>
         <author>Kaji A</author>
         <author>Agrawal RK</author>
      </authors_list>
      <keywords>Ribosome recycling factor, Elongation Factor G, T. thermophilus ribosome recycling factor, 70S, E. coli Post-Termination Complex, cryo-EM</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Yokoyama T</author>
               <author order="2">Shaikh TR</author>
               <author order="3">Iwakura N</author>
               <author order="4">Kaji H</author>
               <author order="5">Kaji A</author>
               <author order="6">Agrawal RK</author>
               <title>Structural insights into initial and intermediate steps of the ribosome-recycling process.</title>
               <journal>EMBO J.</journal>
               <volume>31</volume>
               <first_page>1836</first_page>
               <last_page>1846</last_page>
               <year>2012</year>
               <external_references type="PUBMED">22388519</external_references>
               <external_references type="DOI">doi:10.1038/emboj.2012.22</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>3j0e</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>T. thermophilus Ribosome Recycling Factor and E. coli Elongation Factor G</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>T. thermophilus Ribosome Recycling Factor and E. coli Elongation Factor G</name>
            <oligomeric_state>Monomer</oligomeric_state>
            <number_unique_components>2</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">0.1</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="ttRRF">T. thermophilus Ribosome Recycling Factor</name>
            <natural_source database="NCBI">
               <organism ncbi="274">Thermus thermophilus</organism>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.1</theoretical>
            </molecular_weight>
            <details>This is the excised density corresponding to Thermus thermophilus RRF and E. coli EF-G from the parent map EMD-1917.</details>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism>Escherichia coli JM109</recombinant_organism>
               <recombinant_plasmid>pGEM-T</recombinant_plasmid>
            </recombinant_expression>
            <sequence>
               </sequence>
         </protein_or_peptide>
         <protein_or_peptide macromolecule_id="2">
            <name synonym="ecEFG">E. coli Elongation Factor G</name>
            <natural_source database="NCBI">
               <organism ncbi="562">Escherichia coli</organism>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.1</theoretical>
            </molecular_weight>
            <details>This is the excised density corresponding to Thermus thermophilus RRF and E. coli EF-G from the parent map EMD-1917.</details>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism>Escherichia coli JM83</recombinant_organism>
               <recombinant_plasmid>pUC3G</recombinant_plasmid>
            </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">
               <buffer>
                  <ph>7.5</ph>
                  <details>50mM Tris-HCl (pH 7.5), 10mM Mg(OAc)2, 25mM KCl</details>
               </buffer>
               <grid>
                  <details>300 mesh copper grid</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_humidity units="percentage">90</chamber_humidity>
                  <chamber_temperature units="K">93</chamber_temperature>
                  <instrument>OTHER</instrument>
                  <details>Vitrification instrument: Vitrobot</details>
               </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_defocus_min units="&#181;m">0.4</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">4.0</nominal_defocus_max>
               <nominal_magnification>50000.0</nominal_magnification>
               <calibrated_magnification>50310.0</calibrated_magnification>
               <specimen_holder_model>OTHER</specimen_holder_model>
               <temperature>
                  <temperature_average units="K">80</temperature_average>
               </temperature>
               <alignment_procedure>
                  <legacy>
                     <astigmatism>Objective correct at 200,000 times magnification</astigmatism>
                  </legacy>
               </alignment_procedure>
               <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">14</sampling_interval>
                     </digitization_details>
                     <number_real_images>383</number_real_images>
                     <bits_per_pixel>12.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Side entry liquid nitrogen cooled cryo holder</specimen_holder>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>each micrograph</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">9.9</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>SPIDER</name>
                  </software>
               </software_list>
               <number_images_used>338823</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="8584">
      <file>emd_1918.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>130</col>
         <row>130</row>
         <sec>130</sec>
      </dimensions>
      <origin>
         <col>0</col>
         <row>0</row>
         <sec>0</sec>
      </origin>
      <spacing>
         <x>130</x>
         <y>130</y>
         <z>130</z>
      </spacing>
      <cell>
         <a units="&#8491;">361.4</a>
         <b units="&#8491;">361.4</b>
         <c units="&#8491;">361.4</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>-9.119332310000001</minimum>
         <maximum>57.060966489999998</maximum>
         <average>0.1077323</average>
         <std>1.93141139</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">2.78</x>
         <y units="&#8491;">2.78</y>
         <z units="&#8491;">2.78</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>6.43</level>
            <source>EMDB</source>
         </contour>
      </contour_list>
      <annotation_details>T. thermophilus Ribosome Recycling Factor and E. coli Elongation Factor G</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1918::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>1eh1</access_code>
            </initial_model>
            <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>MDFF</name>
               </software>
            </software_list>
            <details>Protocol: Flexible Fitting</details>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>