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   <admin>
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         <code>REL</code>
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      </current_status>
      <sites>
         <deposition>PDBe</deposition>
         <last_processing>PDBe</last_processing>
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      <key_dates>
         <deposition>2014-04-29</deposition>
         <header_release>2014-05-28</header_release>
         <map_release>2014-08-20</map_release>
         <update>2014-10-01</update>
      </key_dates>
      <title>Negative stain electron microscopy of Bacillus subtilis RNA polymerase with YkzG-GFP fusion</title>
      <authors_list>
         <author>Keller A</author>
         <author>Yang X</author>
         <author>Korelusova J</author>
         <author>Delumeau O</author>
         <author>Krasny L</author>
         <author>Lewis PJ</author>
      </authors_list>
      <keywords>RNA polymerase, small subunit, transcription, Bacillus subtilis</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Keller A</author>
               <author order="2">Yang X</author>
               <author order="3">Korelusova J</author>
               <author order="4">Delumeau O</author>
               <author order="5">Krasny L</author>
               <author order="6">Lewis PJ</author>
               <title>epsilon: A new subunit of RNA polymerase found in Gram positive bacteria.</title>
               <journal>J.BACTERIOL.</journal>
               <volume>196</volume>
               <first_page>3622</first_page>
               <last_page>3632</last_page>
               <year>2014</year>
               <external_references type="PUBMED">25092033</external_references>
               <external_references type="DOI">doi:10.1128/jb.02020-14</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>RNA polymerase YkzG-GFP</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>RNA polymerase YkzG-GFP</name>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <experimental units="MDa">0.43</experimental>
               <theoretical units="MDa">0.43</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="RNAP">RNA polymerase</name>
            <natural_source database="NCBI">
               <organism ncbi="1423">Bacillus subtilis</organism>
               <strain>BS509</strain>
            </natural_source>
            <molecular_weight>
               <experimental units="MDa">0.43</experimental>
               <theoretical units="MDa">0.43</theoretical>
            </molecular_weight>
            <details>RNAP with YkzG-GFP fusion</details>
            <number_of_copies>1</number_of_copies>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="1423">Bacillus subtilis</recombinant_organism>
            </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">
               <concentration units="mg/mL">1</concentration>
               <buffer>
                  <ph>7.8</ph>
                  <details>20 mM Tris-HCl , 150 mM NaCl, 10 mM MgCl2, 5% (v/v) glycerol and 1 mM DTT</details>
               </buffer>
               <staining>
                  <type>NEGATIVE</type>
                  <details>The specimens were then stained with a 1 % (w/v) uranyl formate aqueous solution.</details>
               </staining>
               <vitrification>
                  <cryogen_name>NONE</cryogen_name>
                  <instrument>OTHER</instrument>
               </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>
               <specimen_holder_model>JEOL</specimen_holder_model>
               <date>2009-12-01</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">GATAN ULTRASCAN 4000 (4k x 4k)</film_or_detector_model>
                     <number_real_images>260</number_real_images>
                  </image_recording>
               </image_recording_list>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
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               <applied_symmetry>
                  <point_group>C1</point_group>
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               <resolution_method>OTHER</resolution_method>
               <software_list>
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               </software_list>
               <number_images_used>10104</number_images_used>
            </final_reconstruction>
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