<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-3217" 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>2015-10-26</deposition>
         <header_release>2015-11-18</header_release>
         <map_release>2015-12-16</map_release>
         <update>2015-12-30</update>
      </key_dates>
      <title>In situ sub-tomogram average of the host-contact Chlamydia trachomatis type III secretion system</title>
      <authors_list>
         <author>Nans A</author>
         <author>Kudryashev M</author>
         <author>Saibil HR</author>
         <author>Hayward RD</author>
      </authors_list>
      <keywords>injectisome, type III secretion, T3SS</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Nans A</author>
               <author order="2">Kudryashev M</author>
               <author order="3">Saibil HR</author>
               <author order="4">Hayward RD</author>
               <title>Structure of a bacterial type III secretion system in contact with a host membrane in situ</title>
               <journal>NAT.COMMUN.</journal>
               <volume>6</volume>
               <first_page>10114</first_page>
               <last_page>10114</last_page>
               <year>2015</year>
               <external_references type="PUBMED">26656452</external_references>
               <external_references type="DOI">doi:10.1038/ncomms10114</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <emdb_list>
         <emdb_reference>
            <emdb_id>EMD-3216</emdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </emdb_reference>
      </emdb_list>
   </crossreferences>
   <sample>
      <name>Chlamydia trachomatis type III secretion system (host-contact)</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Chlamydia trachomatis type III secretion system (host-contact)</name>
            <number_unique_components>1</number_unique_components>
         </sample_supramolecule>
         <organelle_or_cellular_component_supramolecule supramolecule_id="1">
            <name>Chlamydia trachomatis type III secretion system</name>
            <details>Type III secretion systems were imaged in contact with U2OS or HeLa cells grown directly on EM grids.</details>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <natural_source database="NCBI">
               <organism ncbi="813">Chlamydia trachomatis</organism>
            </natural_source>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
         </organelle_or_cellular_component_supramolecule>
      </supramolecule_list>
   </sample>
   <structure_determination_list>
      <structure_determination structure_determination_id="1">
         <method>subtomogramAveraging</method>
         <aggregation_state>cell</aggregation_state>
         <specimen_preparation_list>
            <subtomogram_averaging_preparation preparation_id="1">
               <grid>
                  <details>200 mesh gold Quantifoil 3.5/1</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_humidity units="percentage">100</chamber_humidity>
                  <instrument>FEI VITROBOT MARK IV</instrument>
                  <method>Blot for 6-10 seconds before plunging.</method>
               </vitrification>
            </subtomogram_averaging_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <subtomogram_averaging_microscopy microscopy_id="1">
               <microscope>FEI POLARA 300</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">2.3</nominal_cs>
               <nominal_defocus_max units="&#181;m">-10.0</nominal_defocus_max>
               <nominal_magnification>41000.0</nominal_magnification>
               <specimen_holder_model>SIDE ENTRY, EUCENTRIC</specimen_holder_model>
               <specialist_optics>
                  <energy_filter>
                     <name>Gatan Quantum</name>
                     <lower_energy_threshold units="eV">0.0</lower_energy_threshold>
                     <upper_energy_threshold units="eV">20.0</upper_energy_threshold>
                  </energy_filter>
               </specialist_optics>
               <date>2014-11-10</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                     <average_electron_dose_per_image units="e/&#8491;^2">55</average_electron_dose_per_image>
                  </image_recording>
               </image_recording_list>
               <tilt_series>
                  <axis1>
                     <min_angle units="deg">-45</min_angle>
                     <max_angle units="deg">60</max_angle>
                  </axis1>
               </tilt_series>
            </subtomogram_averaging_microscopy>
         </microscopy_list>
         <subtomogram_averaging_processing image_processing_id="1">
            <details>Sub-tomograms were selected in IMOD and cropped in Dynamo. Alignment and averaging was carried out in Dynamo.</details>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C12</point_group>
               </applied_symmetry>
               <resolution res_type="BY AUTHOR" units="&#8491;">38.0</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>IMOD, Dynamo</name>
                  </software>
               </software_list>
               <number_subtomograms_used>196</number_subtomograms_used>
            </final_reconstruction>
            <ctf_correction>
               <details>Each micrograph was phase-flipped in IMOD using the measured defocus</details>
            </ctf_correction>
         </subtomogram_averaging_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="65537">
      <file>emd_3217.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>0</col>
         <row>0</row>
         <sec>0</sec>
      </origin>
      <spacing>
         <x>256</x>
         <y>256</y>
         <z>256</z>
      </spacing>
      <cell>
         <a units="&#8491;">1382.4</a>
         <b units="&#8491;">1382.4</b>
         <c units="&#8491;">1382.4</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>0.0</minimum>
         <maximum>7.1382885</maximum>
         <average>3.39157796</average>
         <std>0.19868028</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">5.4</x>
         <y units="&#8491;">5.4</y>
         <z units="&#8491;">5.4</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>3.84</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>Sub-tomogram average of Chlamydia trachomatis type III secretion system (host-contact)</annotation_details>
      <details>::::EMDATABANK.org::::EMD-3217::::</details>
   </map>
</emd>