<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1524" 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>2008-06-10</deposition>
         <header_release>2008-06-10</header_release>
         <map_release>2009-04-01</map_release>
         <update>2014-04-16</update>
      </key_dates>
      <title>Complex of elongating Escherichia coli 70S ribosome and EF4(LepA)-GMPPNP</title>
      <authors_list>
         <author>Connell SR</author>
         <author>Topf M</author>
         <author>Qin Y</author>
         <author>Wilson DN</author>
         <author>Mielke T</author>
         <author>Fucini P</author>
         <author>Nierhaus KH</author>
         <author>Spahn CMT</author>
      </authors_list>
      <keywords>ribosome,translation,LepA,EF4</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Connell SR</author>
               <author order="2">Topf M</author>
               <author order="3">Qin Y</author>
               <author order="4">Wilson DN</author>
               <author order="5">Mielke T</author>
               <author order="6">Fucini P</author>
               <author order="7">Nierhaus KH</author>
               <author order="8">Spahn CM</author>
               <title>A new tRNA intermediate revealed on the ribosome during EF4-mediated back-translocation.</title>
               <journal>NAT.STRUCT.MOL.BIOL.</journal>
               <volume>15</volume>
               <first_page>910</first_page>
               <last_page>915</last_page>
               <year>2008</year>
               <external_references type="PUBMED">19172743</external_references>
               <external_references type="DOI">doi:10.1038/nsmb.1469</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>3deg</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>Complex of elongating Escherichia coli 70S ribosome (2tRNAs) and EF4(LepA)-GMPPNP</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Complex of elongating Escherichia coli 70S ribosome (2tRNAs) and EF4(LepA)-GMPPNP</name>
            <number_unique_components>4</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">2.6</theoretical>
            </molecular_weight>
         </sample_supramolecule>
         <complex_supramolecule supramolecule_id="1">
            <name synonym="70S ribosome">70S ribosome</name>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <natural_source database="NCBI">
               <organism ncbi="562">Escherichia coli</organism>
            </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>EF4(LepA)</name>
            <natural_source database="NCBI">
               <organism ncbi="562">Escherichia coli</organism>
            </natural_source>
            <number_of_copies>1</number_of_copies>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
               <recombinant_plasmid>pET14b</recombinant_plasmid>
            </recombinant_expression>
            <sequence>
               </sequence>
         </protein_or_peptide>
         <rna macromolecule_id="2">
            <name synonym="A-tRNA">A-tRNA</name>
            <natural_source database="NCBI">
               <organism ncbi="562">Escherichia coli</organism>
            </natural_source>
            <classification>TRANSFER</classification>
            <structure>SINGLE STRANDED</structure>
            <synthetic_flag>false</synthetic_flag>
         </rna>
         <rna macromolecule_id="3">
            <name synonym="P-tRNA">P-tRNA</name>
            <natural_source database="NCBI">
               <organism ncbi="562">Escherichia coli</organism>
            </natural_source>
            <classification>TRANSFER</classification>
            <structure>SINGLE STRANDED</structure>
            <synthetic_flag>false</synthetic_flag>
         </rna>
      </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>
                  <details>20 mM HEPES-KOH (pH 7.6), 4.5 mM Mg(CH3COO)2, 150 mM NH4CH3COO, 4 mM B-mercaptoethanol, 2 mM spermidine, and 0.05 mM spermine</details>
               </buffer>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_humidity units="percentage">95</chamber_humidity>
                  <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 POLARA 300</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_defocus_min units="&#181;m">0.5</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">3.9</nominal_defocus_max>
               <nominal_magnification>39000.0</nominal_magnification>
               <specimen_holder_model>OTHER</specimen_holder_model>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>PRIMESCAN</scanner>
                        <sampling_interval units="&#181;m">4.7</sampling_interval>
                     </digitization_details>
                     <average_electron_dose_per_image units="e/&#8491;^2">20</average_electron_dose_per_image>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Eucentric</specimen_holder>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>Defocus groups</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <resolution res_type="BY AUTHOR" units="&#8491;">10.9</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>spider</name>
                  </software>
               </software_list>
               <number_images_used>41294</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="13185">
      <file>emd_1524.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>150</col>
         <row>150</row>
         <sec>150</sec>
      </dimensions>
      <origin>
         <col>-75</col>
         <row>-75</row>
         <sec>-74</sec>
      </origin>
      <spacing>
         <x>150</x>
         <y>150</y>
         <z>150</z>
      </spacing>
      <cell>
         <a units="&#8491;">378</a>
         <b units="&#8491;">378</b>
         <c units="&#8491;">378</c>
         <alpha units="deg">90</alpha>
         <beta units="deg">90</beta>
         <gamma units="deg">90</gamma>
      </cell>
      <axis_order>
         <fast>Y</fast>
         <medium>X</medium>
         <slow>Z</slow>
      </axis_order>
      <statistics>
         <minimum>-5.05751</minimum>
         <maximum>11.5594</maximum>
         <average>0.00000000080912</average>
         <std>1.0</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">2.52</x>
         <y units="&#8491;">2.52</y>
         <z units="&#8491;">2.52</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>1.0</level>
         </contour>
      </contour_list>
      <annotation_details>Complex of elongating Escherichia coli 70S ribosome and EF4(LepA)-GMPPNP</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1524::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>2i2p</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>SITUS</name>
               </software>
            </software_list>
            <details>Protocol: Rigid Body. the subunit was fitted using situs</details>
            <refinement_space>RECIPROCAL</refinement_space>
         </modelling>
         <modelling>
            <initial_model>
               <access_code>2i2t</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>SITUS</name>
               </software>
            </software_list>
            <details>Protocol: Rigid Body. the subunit was fitted using situs</details>
            <refinement_space>RECIPROCAL</refinement_space>
         </modelling>
         <modelling>
            <initial_model>
               <access_code>3cb4</access_code>
            </initial_model>
            <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>Mod-EM and Flex-EM</name>
               </software>
            </software_list>
            <details>Protocol: Rigid Body and flexible fitting. the protein was first rigidly fit with Mod-EM and then flexibly fit with Flex-EM</details>
            <target_criteria>cross-correlation</target_criteria>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>