<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-2914" 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>2015-02-20</deposition>
         <header_release>2015-03-11</header_release>
         <map_release>2015-04-15</map_release>
         <update>2015-06-24</update>
      </key_dates>
      <title>Cryo-EM reconstruction of the mammalian 55S mitoribosome</title>
      <authors_list>
         <author>Greber BJ</author>
         <author>Bieri P</author>
         <author>Leibundgut M</author>
         <author>Leitner A</author>
         <author>Aebersold R</author>
         <author>Boehringer D</author>
         <author>Ban N</author>
      </authors_list>
      <keywords>mammalian mitochondrial ribosome, 55S mitoribosome, translation, ribosomal proteins, rRNA, tRNA, mRNA, decoding, exit tunnel</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Greber BJ</author>
               <author order="2">Bieri P</author>
               <author order="3">Leibundgut M</author>
               <author order="4">Leitner A</author>
               <author order="5">Aebersold R</author>
               <author order="6">Boehringer D</author>
               <author order="7">Ban N</author>
               <title>The complete structure of the 55S mammalian mitochondrial ribosome</title>
               <journal>SCIENCE</journal>
               <volume>348</volume>
               <first_page>303</first_page>
               <last_page>308</last_page>
               <year>2015</year>
               <external_references type="PUBMED">25837512</external_references>
               <external_references type="DOI">doi:10.1126/science.aaa3872</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>5aj4</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>55S mammalian mitochondrial ribosome</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>55S mammalian mitochondrial ribosome</name>
            <oligomeric_state>monomer</oligomeric_state>
            <number_unique_components>2</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">2.7</theoretical>
            </molecular_weight>
         </sample_supramolecule>
         <complex_supramolecule supramolecule_id="1">
            <name>28S small subunit of the mitochondrial ribosome</name>
            <external_references type="GO">GO:0005761</external_references>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <natural_source database="NCBI">
               <organism ncbi="9823">Sus scrofa</organism>
               <synonym_organism>Domestic pig</synonym_organism>
               <tissue>Liver</tissue>
               <organelle>Mitochondrion</organelle>
            </natural_source>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
            <molecular_weight>
               <theoretical units="MDa">1.1</theoretical>
            </molecular_weight>
            <ribosome-details>ribosome-eukaryote: SSU mitochondrial 28S, SSU mitochondrial RNA 12S</ribosome-details>
         </complex_supramolecule>
         <complex_supramolecule supramolecule_id="2">
            <name>39S large subunit of the mitochondrial ribosome</name>
            <external_references type="GO">GO:0005761</external_references>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <natural_source database="NCBI">
               <organism ncbi="9823">Sus scrofa</organism>
               <synonym_organism>Domestic pig</synonym_organism>
               <tissue>Liver</tissue>
               <organelle>mitochondrion</organelle>
            </natural_source>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
            <molecular_weight>
               <theoretical units="MDa">1.6</theoretical>
            </molecular_weight>
            <ribosome-details>ribosome-eukaryote: LSU mitochondrial 39S, LSU mitochondrial RNA 16S</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">
               <buffer>
                  <ph>7.4</ph>
                  <details>20 mM HEPES-KOH, 50 mM KCl, 1 mM DTT, 40 mM MgCl2</details>
               </buffer>
               <grid>
                  <details>200 mesh Quantifoil R 2/2 holey carbon grids with a thin continuous carbon support film applied</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE-PROPANE MIXTURE</cryogen_name>
                  <instrument>HOMEMADE PLUNGER</instrument>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_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">0.8</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">3.0</nominal_defocus_max>
               <nominal_magnification>59000.0</nominal_magnification>
               <calibrated_magnification>100720.0</calibrated_magnification>
               <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
               <details>movie mode readout in FEI EPU: 7 frames per exposure</details>
               <date>2014-05-03</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">FEI FALCON II (4k x 4k)</film_or_detector_model>
                     <digitization_details>
                        <sampling_interval units="&#181;m">14</sampling_interval>
                     </digitization_details>
                     <average_electron_dose_per_image units="e/&#8491;^2">20</average_electron_dose_per_image>
                     <details>movie mode readout in FEI EPU: 7 frames per exposure</details>
                  </image_recording>
               </image_recording_list>
            </single_particle_microscopy>
            <single_particle_microscopy microscopy_id="2">
               <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">0.8</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">3.0</nominal_defocus_max>
               <nominal_magnification>59000.0</nominal_magnification>
               <calibrated_magnification>100720.0</calibrated_magnification>
               <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
               <details>movie mode readout in FEI EPU: 7 frames per exposure</details>
               <date>2014-05-30</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">FEI FALCON II (4k x 4k)</film_or_detector_model>
                     <digitization_details>
                        <sampling_interval units="&#181;m">14</sampling_interval>
                     </digitization_details>
                     <average_electron_dose_per_image units="e/&#8491;^2">20</average_electron_dose_per_image>
                     <details>movie mode readout in FEI EPU: 7 frames per exposure</details>
                  </image_recording>
               </image_recording_list>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <details>Particles were selected in batchboxer (EMAN 1.9) and extracted using RELION 1.2.</details>
            <ctf_correction>
               <details>per detector frame</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">3.8</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>CTFFIND3, RELION, 1.2, 1.3</name>
                  </software>
               </software_list>
               <number_images_used>60872</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="65537">
      <file>emd_2914.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>256</col>
         <row>256</row>
         <sec>256</sec>
      </dimensions>
      <origin>
         <col>32</col>
         <row>32</row>
         <sec>32</sec>
      </origin>
      <spacing>
         <x>256</x>
         <y>256</y>
         <z>256</z>
      </spacing>
      <cell>
         <a units="&#8491;">355.84</a>
         <b units="&#8491;">355.84</b>
         <c units="&#8491;">355.84</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>-0.18619975</minimum>
         <maximum>0.39100313</maximum>
         <average>0.00375944</average>
         <std>0.0204599</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">1.39</x>
         <y units="&#8491;">1.39</y>
         <z units="&#8491;">1.39</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>0.05</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>Reconstruction of the 55S mammalian mitoribosome</annotation_details>
      <details>::::EMDATABANK.org::::EMD-2914::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>4V1A</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>Chimera</name>
               </software>
            </software_list>
            <details>The coordinate model of the 39S subunit was fitted into the cryo-EM density using Chimera. The model was then adjusted using COOT (RNA) and O (proteins).</details>
            <refinement_space>REAL</refinement_space>
         </modelling>
         <modelling>
            <initial_model>
               <access_code>4V19</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>Chimera</name>
               </software>
            </software_list>
            <details>The coordinate model of the 39S subunit was fitted into the cryo-EM density using Chimera. The model was then adjusted using COOT (RNA) and O (proteins).</details>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>