<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1540" 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>2008-08-12</deposition>
         <header_release>2008-08-18</header_release>
         <map_release>2009-08-26</map_release>
         <update>2012-10-24</update>
      </key_dates>
      <title>Visualization of the hybrid state of tRNA binding promoted by spontaneous ratcheting of the ribosome</title>
      <authors_list>
         <author>Agirrezabala X</author>
         <author>Lei J</author>
         <author>Brunelle JL</author>
         <author>Ortiz-Meoz RF</author>
         <author>Green R</author>
         <author>Frank J</author>
      </authors_list>
      <keywords>Classic state tRNA configuration, pre-translocational ribosome</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Agirrezabala X</author>
               <author order="2">Lei J</author>
               <author order="3">Brunelle JL</author>
               <author order="4">Ortiz-Meoz RF</author>
               <author order="5">Green R</author>
               <author order="6">Frank J</author>
               <title>Visualization of the hybrid state of tRNA binding promoted by spontaneous ratcheting of the ribosome.</title>
               <journal>MOLECULAR CELL</journal>
               <volume>32</volume>
               <first_page>190</first_page>
               <last_page>197</last_page>
               <year>2008</year>
               <external_references type="PUBMED">18951087</external_references>
               <external_references type="DOI">doi:10.1016/j.molcel.2008.10.001</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>Classic state pre-translocational ribosome</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Classic state pre-translocational ribosome</name>
            <details>HiFi buffer, 3.5 mM Mg2</details>
            <oligomeric_state>Monomeric</oligomeric_state>
            <number_unique_components>3</number_unique_components>
            <molecular_weight>
               <experimental units="MDa">2.6</experimental>
               <theoretical units="MDa">2.6</theoretical>
               <method>Sedimentation</method>
            </molecular_weight>
         </sample_supramolecule>
         <complex_supramolecule supramolecule_id="1">
            <name synonym="Ribosome">70S prokaryote ribosome</name>
            <details>Pre-translocational ribosome</details>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <natural_source database="NCBI">
               <organism ncbi="562">Escherichia coli</organism>
               <strain>MRE 600</strain>
            </natural_source>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
            <molecular_weight>
               <experimental units="MDa">2.6</experimental>
               <theoretical units="MDa">2.6</theoretical>
            </molecular_weight>
            <ribosome-details>ribosome-prokaryote: ALL</ribosome-details>
         </complex_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">
               <concentration units="mg/mL">0.07</concentration>
               <buffer>
                  <ph>7.5</ph>
                  <details>HiFi (50 mM Tris-HCl pH 7.5, 70mM NH4Cl, 30 mM KCl, 3.5 mM MgCl2, 0.5 mM spermidine, 8mM putrescine, 2 mM DTT)</details>
               </buffer>
               <staining>
                  <type>NEGATIVE</type>
                  <details>Cryo-sample</details>
               </staining>
               <grid>
                  <details>Quantifoil 2/4</details>
               </grid>
               <vitrification>
                  <cryogen_name>NITROGEN</cryogen_name>
                  <chamber_humidity units="percentage">90</chamber_humidity>
                  <chamber_temperature units="K">80</chamber_temperature>
                  <instrument>OTHER</instrument>
                  <details>Vitrification instrument: Vitrobot</details>
                  <method>Blot for 6 seconds before plunging</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI TECNAI F30</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">2.26</nominal_cs>
               <nominal_defocus_min units="&#181;m">1.2</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">4.0</nominal_defocus_max>
               <nominal_magnification>59000.0</nominal_magnification>
               <calibrated_magnification>58269.0</calibrated_magnification>
               <specimen_holder_model>OTHER</specimen_holder_model>
               <temperature>
                  <temperature_min units="K">80.7</temperature_min>
                  <temperature_max units="K">80.7</temperature_max>
                  <temperature_average units="K">80.7</temperature_average>
               </temperature>
               <alignment_procedure>
                  <legacy>
                     <astigmatism>Objective corrected at 100,000 times magnification</astigmatism>
                  </legacy>
               </alignment_procedure>
               <specialist_optics>
                  <energy_filter>
                     <name>No energy filter</name>
                  </energy_filter>
               </specialist_optics>
               <details>Automated data collection system AutoEMation  (CCD mag. 100000x)</details>
               <date>2007-04-15</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">TVIPS TEMCAM-F415 (4k x 4k)</film_or_detector_model>
                     <average_electron_dose_per_image units="e/&#8491;^2">25</average_electron_dose_per_image>
                     <details>Automated data collection system AutoEMation  (CCD mag. 100000x)  TVIPS TemCam-F415</details>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Cartridge</specimen_holder>
               <tilt_angle_min>0</tilt_angle_min>
               <tilt_angle_max>0</tilt_angle_max>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <details>Supervised classification</details>
            <ctf_correction>
               <details>Defocus groups, Wiener filter</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">10.5</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>SPIDER</name>
                  </software>
               </software_list>
               <details>Supervised classification</details>
               <number_images_used>57603</number_images_used>
            </final_reconstruction>
            <final_angle_assignment>
               <details>Spider</details>
            </final_angle_assignment>
            <final_two_d_classification>
               <number_classes>1</number_classes>
            </final_two_d_classification>
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   </structure_determination_list>
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         <a units="&#8491;">375</a>
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         <c units="&#8491;">375</c>
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         <beta units="deg">90</beta>
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      <axis_order>
         <fast>X</fast>
         <medium>Y</medium>
         <slow>Z</slow>
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      <statistics>
         <minimum>-95.952500000000001</minimum>
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         <contour primary="true">
            <level>28.0</level>
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      <details>::::EMDATABANK.org::::EMD-1540::::</details>
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   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>2AVY</access_code>
            </initial_model>
            <initial_model>
               <access_code>2AW4</access_code>
            </initial_model>
            <initial_model>
               <access_code>2J00</access_code>
            </initial_model>
            <initial_model>
               <access_code>1GIX</access_code>
            </initial_model>
            <initial_model>
               <access_code>1lBK</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>CNS</name>
               </software>
            </software_list>
            <details>Protocol: Real-space refinement. 1lBK(1989-1996 fragment)</details>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>