<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1160" 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>2005-09-22</deposition>
         <header_release>2005-09-22</header_release>
         <map_release>2006-08-07</map_release>
         <update>2012-10-17</update>
      </key_dates>
      <title>Double hexameric ring assembly of the type III protein translocase ATPase HrcN.</title>
      <authors_list>
         <author>Muller SA</author>
         <author>Poyidis C</author>
         <author>Stone R</author>
         <author>Meesters C</author>
         <author>Chami M</author>
         <author>Engel A</author>
         <author>Economou A</author>
         <author>Stahlberg H</author>
      </authors_list>
      <keywords>
         </keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Muller SA</author>
               <author order="2">Pozidis C</author>
               <author order="3">Stone R</author>
               <author order="4">Meesters C</author>
               <author order="5">Chami M</author>
               <author order="6">Engel A</author>
               <author order="7">Economou A</author>
               <author order="8">Stahlberg H</author>
               <title>Double hexameric ring assembly of the type III protein translocase ATPase HrcN.</title>
               <journal>MOL.MICROBIOL.</journal>
               <volume>61</volume>
               <first_page>119</first_page>
               <last_page>125</last_page>
               <year>2006</year>
               <external_references type="PUBMED">16824099</external_references>
               <external_references type="DOI">doi:10.1111/j.1365-2958.2006.05219.x</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>HrcN</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>HrcN</name>
            <details>The sample had a tendency to aggregate rapidly.
      Images were       usually highly crowded, or empty, from the
      same cryo-EM grid.</details>
            <oligomeric_state>homododecamer</oligomeric_state>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <experimental units="MDa">0.601</experimental>
               <theoretical units="MDa">0.612</theoretical>
               <method>STEM mass measurement</method>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="HrcN">HrcN</name>
            <natural_source database="NCBI">
               <organism ncbi="319">Pseudomonas syringae pv. phaseolicola</organism>
               <synonym_organism>Pseudomonas syringae pathovar phaseolicola</synonym_organism>
            </natural_source>
            <molecular_weight>
               <experimental units="MDa">0.612</experimental>
               <theoretical units="MDa">0.601</theoretical>
            </molecular_weight>
            <number_of_copies>12</number_of_copies>
            <oligomeric_state>dodecamer</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               </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">1.0</concentration>
               <buffer>
                  <ph>7.4</ph>
                  <details>50mM Tris-Cl, pH 7.4, 0.2M NaCl, 20% glycerol</details>
               </buffer>
               <grid>
                  <details>Quantifoil 300 mesh</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <instrument>HOMEMADE PLUNGER</instrument>
                  <details>Vitrification instrument: Home-built</details>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI/PHILIPS CM200FEG</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_magnification>50000.0</nominal_magnification>
               <calibrated_magnification>50000.0</calibrated_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <image_recording_list>
                  <image_recording>
                     <digitization_details>
                        <scanner>PRIMESCAN</scanner>
                        <sampling_interval units="&#181;m">5.0</sampling_interval>
                     </digitization_details>
                     <number_real_images>165</number_real_images>
                     <od_range>1.0</od_range>
                     <bits_per_pixel>16.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Eucentric</specimen_holder>
               <tilt_angle_max>0</tilt_angle_max>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>SPIDER</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>D6</point_group>
               </applied_symmetry>
               <resolution res_type="BY AUTHOR" units="&#8491;">16.0</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>SPIDER</name>
                  </software>
               </software_list>
               <number_images_used>8742</number_images_used>
            </final_reconstruction>
            <final_two_d_classification>
               <number_classes>352</number_classes>
            </final_two_d_classification>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="3908">
      <file>emd_1160.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>100</col>
         <row>100</row>
         <sec>100</sec>
      </dimensions>
      <origin>
         <col>0</col>
         <row>0</row>
         <sec>0</sec>
      </origin>
      <spacing>
         <x>100</x>
         <y>100</y>
         <z>100</z>
      </spacing>
      <cell>
         <a units="&#8491;">400</a>
         <b units="&#8491;">400</b>
         <c units="&#8491;">400</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>0.0</minimum>
         <maximum>1.0</maximum>
         <average>0.226394</average>
         <std>0.22867</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">4</x>
         <y units="&#8491;">4</y>
         <z units="&#8491;">4</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>0.802</level>
         </contour>
      </contour_list>
      <annotation_details>This volume contains the 3D reconstruction of
      dodecameric HrcN. It is D6-symmetrized. A threshold of 0.61 is
      recommended for surface rendering.</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1160::::</details>
   </map>
</emd>