<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1019" 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>2002-11-28</deposition>
         <header_release>2002-06-05</header_release>
         <map_release>2003-01-06</map_release>
         <update>2012-10-17</update>
      </key_dates>
      <title>The Escherichia coli large ribosomal subunit at 7.5 A resolution.</title>
      <authors_list>
         <author>Matadeen R</author>
      </authors_list>
      <keywords>
         </keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Matadeen R</author>
               <author order="2">Patwardhan A</author>
               <author order="3">Gowen B</author>
               <author order="4">Orlova EV</author>
               <author order="5">Pape T</author>
               <author order="6">Cuff M</author>
               <author order="7">Mueller F</author>
               <author order="8">Brimacombe R</author>
               <author order="9">van Heel M</author>
               <title>The Escherichia coli large ribosomal subunit at 7.5 A resolution.</title>
               <journal>STRUCTURE</journal>
               <volume>7</volume>
               <first_page>1575</first_page>
               <last_page>1583</last_page>
               <year>1999</year>
               <external_references type="PUBMED">10647188</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>50S E.coli ribosomal subunit</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>50S E.coli ribosomal subunit</name>
            <oligomeric_state>single entity</oligomeric_state>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <experimental units="MDa">1.5</experimental>
               <theoretical units="MDa">1.5</theoretical>
               <method>Sedimentation</method>
            </molecular_weight>
         </sample_supramolecule>
         <complex_supramolecule supramolecule_id="1">
            <name>50S ribosomal subunit</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>
            <molecular_weight>
               <experimental units="MDa">1.5</experimental>
               <theoretical units="MDa">1.5</theoretical>
            </molecular_weight>
            <ribosome-details>ribosome-prokaryote: LSU 50S</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">1</concentration>
               <buffer>
                  <ph>7.4</ph>
                  <details>20mM HEPES-KOH 6 mM MgCl2, 150 mM NH4Cl</details>
               </buffer>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <instrument>HOMEMADE PLUNGER</instrument>
                  <details>Vitrification instrument: in-house freeze plunger</details>
                  <method>Blot for 2 seconds before plunging</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI/PHILIPS CM200FEG/UT</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_cs units="mm">2</nominal_cs>
               <nominal_defocus_min units="&#181;m">1.0</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">3.0</nominal_defocus_max>
               <nominal_magnification>38000.0</nominal_magnification>
               <calibrated_magnification>37600.0</calibrated_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <temperature>
                  <temperature_average units="K">96</temperature_average>
               </temperature>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>PATCHWORK DENSITOMETER</scanner>
                        <sampling_interval units="&#181;m">5</sampling_interval>
                     </digitization_details>
                     <number_real_images>7</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">10</average_electron_dose_per_image>
                     <bits_per_pixel>16.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>eucentric</specimen_holder>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>Each particle</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">7.5</resolution>
               <resolution_method>FSC 3 SIGMA CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>Imagic</name>
                  </software>
               </software_list>
               <number_images_used>16000</number_images_used>
            </final_reconstruction>
            <final_two_d_classification>
               <number_classes>1000</number_classes>
            </final_two_d_classification>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="21025">
      <file>emd_1019.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>192</col>
         <row>192</row>
         <sec>146</sec>
      </dimensions>
      <origin>
         <col>0</col>
         <row>0</row>
         <sec>0</sec>
      </origin>
      <spacing>
         <x>192</x>
         <y>192</y>
         <z>146</z>
      </spacing>
      <cell>
         <a units="&#8491;">376.32</a>
         <b units="&#8491;">376.32</b>
         <c units="&#8491;">286.16</c>
         <alpha units="deg">90</alpha>
         <beta units="deg">90</beta>
         <gamma units="deg">90</gamma>
      </cell>
      <axis_order>
         <fast>X</fast>
         <medium>Y</medium>
         <slow>Z</slow>
      </axis_order>
      <statistics>
         <minimum>-0.370668</minimum>
         <maximum>0.393129</maximum>
         <average>0.00348208</average>
         <std>0.0374738</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">1.96</x>
         <y units="&#8491;">1.96</y>
         <z units="&#8491;">1.96</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>0.0584</level>
         </contour>
      </contour_list>
      <annotation_details>The Escherichia coli large ribosomal subunit at
          7.5 A resolution.</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1019::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <software_list>
               <software>
                  <name>ESSENS</name>
               </software>
            </software_list>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>