<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-2829" 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>2014-11-28</deposition>
         <header_release>2015-01-21</header_release>
         <map_release>2016-04-13</map_release>
         <update>2016-04-13</update>
      </key_dates>
      <title>The interaction of an essential DNA helicase with RNA polymerase</title>
      <authors_list>
         <author>Harriott K</author>
         <author>Yang X</author>
         <author>Mervelet P</author>
         <author>Buncherd H</author>
         <author>Noirot P</author>
         <author>de Jong L</author>
         <author>Noirot Gros MF</author>
         <author>Lewis PJ</author>
      </authors_list>
      <keywords>Transcription, RNA polymerase, helicase</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="false">
               <author order="1">Harriott K</author>
               <author order="2">Yang X</author>
               <author order="3">Mervelet P</author>
               <author order="4">Buncherd H</author>
               <author order="5">Noirot P</author>
               <author order="6">de Jong L</author>
               <author order="7">Noirot Gros MF</author>
               <author order="8">Lewis PJ</author>
               <title>The interaction of an essential DNA helicase with RNA polymerase</title>
               <journal>To Be Published</journal>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>RNAP-PcrA complex</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>RNAP-PcrA complex</name>
            <details>complex was made with in vitro purified proteins</details>
            <oligomeric_state>1</oligomeric_state>
            <number_unique_components>2</number_unique_components>
            <molecular_weight>
               <experimental units="MDa">0.37</experimental>
               <theoretical units="MDa">0.37</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name>RNAP</name>
            <natural_source database="NCBI">
               <organism ncbi="1423">Bacillus subtilis</organism>
            </natural_source>
            <molecular_weight>
               <experimental units="MDa">0.37</experimental>
               <theoretical units="MDa">0.37</theoretical>
            </molecular_weight>
            <number_of_copies>1</number_of_copies>
            <oligomeric_state>1</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
               <recombinant_strain>MCC217</recombinant_strain>
               <recombinant_plasmid>pSMG69</recombinant_plasmid>
            </recombinant_expression>
            <sequence>
               </sequence>
         </protein_or_peptide>
         <protein_or_peptide macromolecule_id="2">
            <name>PcrA</name>
            <natural_source database="NCBI">
               <organism ncbi="1423">Bacillus subtilis</organism>
            </natural_source>
            <molecular_weight>
               <experimental units="MDa">0.37</experimental>
               <theoretical units="MDa">0.37</theoretical>
            </molecular_weight>
            <number_of_copies>1</number_of_copies>
            <oligomeric_state>1</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
               <recombinant_strain>MCC217</recombinant_strain>
               <recombinant_plasmid>pSMG69</recombinant_plasmid>
            </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, 150 mM NaCl, 10 mM MgCl2, 0.1 mM DTT</details>
               </buffer>
               <staining>
                  <type>NEGATIVE</type>
                  <details>Grids were stained with 1% uranyl formate for 30 seconds</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>GATAN LIQUID NITROGEN</specimen_holder_model>
               <date>2008-12-03</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">GATAN K2 (4k x 4k)</film_or_detector_model>
                     <digitization_details>
                        <sampling_interval units="&#181;m">3.9</sampling_interval>
                     </digitization_details>
                     <number_real_images>240</number_real_images>
                     <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">
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <resolution res_type="BY AUTHOR" units="&#8491;">25.0</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>EMAN</name>
                  </software>
               </software_list>
               <number_images_used>14266</number_images_used>
            </final_reconstruction>
            <final_two_d_classification>
               <number_classes>1178</number_classes>
            </final_two_d_classification>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="1459">
      <file>emd_2829.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>72</col>
         <row>72</row>
         <sec>72</sec>
      </dimensions>
      <origin>
         <col>-9</col>
         <row>-9</row>
         <sec>-9</sec>
      </origin>
      <spacing>
         <x>72</x>
         <y>72</y>
         <z>72</z>
      </spacing>
      <cell>
         <a units="&#8491;">280.80002</a>
         <b units="&#8491;">280.80002</b>
         <c units="&#8491;">280.80002</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>-2.640136</minimum>
         <maximum>8.35311604</maximum>
         <average>-0.02571186</average>
         <std>1.0</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">3.9000003</x>
         <y units="&#8491;">3.9000003</y>
         <z units="&#8491;">3.9000003</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>1.52</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>Reconstruction of RNAP-PcrA complex</annotation_details>
      <details>::::EMDATABANK.org::::EMD-2829::::</details>
   </map>
</emd>