<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1024" 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>2003-02-12</deposition>
         <header_release>2003-02-12</header_release>
         <map_release>2003-02-12</map_release>
         <update>2011-05-26</update>
      </key_dates>
      <title>Six molecules of SV40 large T antigen assemble in a propeller-shaped particle around a channel.</title>
      <authors_list>
         <author>San Martin C</author>
      </authors_list>
      <keywords>
         </keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">San Martin MC</author>
               <author order="2">Gruss C</author>
               <author order="3">Carazo JM</author>
               <title>Six molecules of SV40 large T antigen assemble in a propeller-shaped particle around a channel.</title>
               <journal>J.MOL.BIOL.</journal>
               <volume>268</volume>
               <first_page>15</first_page>
               <last_page>20</last_page>
               <year>1997</year>
               <external_references type="PUBMED">9149137</external_references>
               <external_references type="DOI">doi:10.1006/jmbi.1997.0952</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>SV40 T antigen</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>SV40 T antigen</name>
            <oligomeric_state>homohexamer</oligomeric_state>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">0.5</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="T antigen">Large T antigen</name>
            <natural_source database="NCBI">
               <organism ncbi="10633">Simian virus 40</organism>
               <synonym_organism>SV40</synonym_organism>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.5</theoretical>
            </molecular_weight>
            <number_of_copies>6</number_of_copies>
            <oligomeric_state>homohexamer</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism>AcNPV</recombinant_organism>
            </recombinant_expression>
            <sequence>
               <external_references type="GO">GO:0003688</external_references>
               <external_references type="INTERPRO">IPR003133</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">
               <concentration units="mg/mL">.06</concentration>
               <buffer>
                  <ph>7.5</ph>
                  <details>20 mM Tris.HCl pH 7.5 5 mM KCl 1.5 mM MgCl2 0.1 mM DTT
          4 mM ADP</details>
               </buffer>
               <staining>
                  <type>NEGATIVE</type>
                  <details>2% Uranyl Acetate</details>
               </staining>
               <vitrification>
                  <cryogen_name>NONE</cryogen_name>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>JEOL 1200EXII</microscope>
               <illumination_mode>FLOOD BEAM</illumination_mode>
               <imaging_mode>BRIGHT FIELD</imaging_mode>
               <electron_source>TUNGSTEN HAIRPIN</electron_source>
               <acceleration_voltage units="kV">120</acceleration_voltage>
               <nominal_cs units="mm">5.6</nominal_cs>
               <nominal_magnification>60000.0</nominal_magnification>
               <specimen_holder_model>JEOL</specimen_holder_model>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>EIKONIX IEEE 488</scanner>
                     </digitization_details>
                     <number_real_images>8</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">10</average_electron_dose_per_image>
                     <bits_per_pixel>8.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Jeol</specimen_holder>
               <tilt_angle_max>55</tilt_angle_max>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C6</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">29.0</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>Xmipp</name>
                  </software>
               </software_list>
               <number_images_used>1472</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="490">
      <file>emd_1024.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>50</col>
         <row>50</row>
         <sec>50</sec>
      </dimensions>
      <origin>
         <col>0</col>
         <row>0</row>
         <sec>0</sec>
      </origin>
      <spacing>
         <x>50</x>
         <y>50</y>
         <z>50</z>
      </spacing>
      <cell>
         <a units="&#8491;">190</a>
         <b units="&#8491;">190</b>
         <c units="&#8491;">190</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>-20.978200000000001</minimum>
         <maximum>26.756599999999999</maximum>
         <average>-0.00284247</average>
         <std>5.642</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">3.8</x>
         <y units="&#8491;">3.8</y>
         <z units="&#8491;">3.8</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>11.5</level>
         </contour>
      </contour_list>
      <annotation_details>SV40 T antigen</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1024::::</details>
   </map>
</emd>