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   <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>2013-01-25</deposition>
         <header_release>2013-02-13</header_release>
         <map_release>2013-02-13</map_release>
         <update>2013-04-03</update>
      </key_dates>
      <title>Structure of TcdA1 pore (TcdA1 reconstituted in liposomes)</title>
      <authors_list>
         <author>Gatsogiannis C</author>
         <author>Lang A E</author>
         <author>Meusch D</author>
         <author>Pfaumann V</author>
         <author>Hofnagel O</author>
         <author>Benz R</author>
         <author>Aktories K</author>
         <author>Raunser S</author>
      </authors_list>
      <keywords>Photorabdus, translocation, pore formation, bacterial toxin, TcA, helical toxin</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Gatsogiannis C</author>
               <author order="2">Lang AE</author>
               <author order="3">Meusch D</author>
               <author order="4">Pfaumann V</author>
               <author order="5">Hofnagel O</author>
               <author order="6">Benz R</author>
               <author order="7">Aktories K</author>
               <author order="8">Raunser S</author>
               <title>A syringe-like injection mechanism in Photorhabdus luminescens toxins.</title>
               <journal>NATURE</journal>
               <volume>495</volume>
               <first_page>520</first_page>
               <last_page>523</last_page>
               <year>2013</year>
               <external_references type="PUBMED">23515159</external_references>
               <external_references type="DOI">doi:10.1038/nature11987</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>TcdA1</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>TcdA1</name>
            <oligomeric_state>Pentamer</oligomeric_state>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <experimental units="MDa">1.41</experimental>
               <theoretical units="MDa">1.41</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="Toxin A">TcdA1</name>
            <natural_source database="NCBI">
               <organism ncbi="29488">Photorhabdus luminescens</organism>
            </natural_source>
            <molecular_weight>
               <experimental units="MDa">0.283</experimental>
               <theoretical units="MDa">0.283</theoretical>
            </molecular_weight>
            <details>Protein reconstituted in liposomes</details>
            <number_of_copies>5</number_of_copies>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
               <recombinant_strain>CodonPlus</recombinant_strain>
               <recombinant_plasmid>pCR-BluntII-TOPO, subcloned into pET-28a(+)</recombinant_plasmid>
            </recombinant_expression>
            <sequence>
               <external_references type="UNIPROTKB">Q9RN43</external_references>
            </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">
               <buffer>
                  <ph>11.0</ph>
                  <details>50 mM CAPS pH 11, 100 mM NaCl, 5 % glycerol</details>
               </buffer>
               <grid>
                  <details>C-Flat 1.2/1.3-4C copper 400 mesh, with additional thin carbon support</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_humidity units="percentage">90</chamber_humidity>
                  <chamber_temperature units="K">100</chamber_temperature>
                  <instrument>GATAN CRYOPLUNGE 3</instrument>
                  <method>Blot for 1 sec before plunging</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>JEOL 3200FSC</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">4.1</nominal_cs>
               <nominal_defocus_min units="&#181;m">0.0029</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">0.005</nominal_defocus_max>
               <nominal_magnification>40000.0</nominal_magnification>
               <calibrated_magnification>85460.0</calibrated_magnification>
               <specimen_holder_model>JEOL 3200FSC CRYOHOLDER</specimen_holder_model>
               <alignment_procedure>
                  <legacy>
                     <astigmatism>Objective lens astigmatism was corrected at 120,000 times magnification</astigmatism>
                  </legacy>
               </alignment_procedure>
               <specialist_optics>
                  <energy_filter>
                     <name>in-column Omega filter</name>
                     <lower_energy_threshold units="eV">0.0</lower_energy_threshold>
                     <upper_energy_threshold units="eV">15.0</upper_energy_threshold>
                  </energy_filter>
               </specialist_optics>
               <date>2012-03-18</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">TVIPS TEMCAM-F816 (8k x 8k)</film_or_detector_model>
                     <number_real_images>145</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">20</average_electron_dose_per_image>
                  </image_recording>
               </image_recording_list>
            </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>C5</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">19.9</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>Sparx</name>
                  </software>
               </software_list>
               <number_images_used>5549</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
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         <a units="&#8491;">467.2</a>
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         <fast>X</fast>
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      <annotation_details>Reconstruction of TcdA1 reconstituted in liposomes</annotation_details>
      <details>::::EMDATABANK.org::::EMD-2298::::</details>
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