<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1208" 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>2006-03-31</deposition>
         <header_release>2006-03-31</header_release>
         <map_release>2008-03-31</map_release>
         <update>2011-05-26</update>
      </key_dates>
      <title>Three-dimensional structure of the human DNA-PKcs/Ku70/Ku80 complex assembled on DNA and its implications for DNA DSB repair.</title>
      <authors_list>
         <author>Spagnolo L</author>
         <author>Rivera-Calzada A</author>
         <author>Pearl LH</author>
         <author>Llorca O</author>
      </authors_list>
      <keywords>
         </keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Spagnolo L</author>
               <author order="2">Rivera-Calzada A</author>
               <author order="3">Pearl LH</author>
               <author order="4">Llorca O</author>
               <title>Three-dimensional structure of the human DNA-PKcs/Ku70/Ku80 complex assembled on DNA and its implications for DNA DSB repair.</title>
               <journal>MOLECULAR CELL</journal>
               <volume>22</volume>
               <first_page>511</first_page>
               <last_page>519</last_page>
               <year>2006</year>
               <external_references type="PUBMED">16713581</external_references>
               <external_references type="DOI">doi:10.1016/j.molcel.2006.04.013</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>Macromolecular Complex containing DNA, DNAPKcs,          Ku70
      and Ku80</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Macromolecular Complex containing DNA, DNAPKcs,          Ku70
      and Ku80</name>
            <oligomeric_state>One molecule of DNAPKcs and one Ku70-Ku80 dimer
      bound to       one DNA molecule</oligomeric_state>
            <number_unique_components>4</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">0.65</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name>DNA-PKcs</name>
            <natural_source database="NCBI">
               <organism ncbi="9606">Homo sapiens</organism>
               <synonym_organism>Human</synonym_organism>
               <cell>HeLa</cell>
               <organelle>Nucleus</organelle>
               <cellular_location>Nucleus</cellular_location>
            </natural_source>
            <molecular_weight>
               <experimental units="MDa">0.47</experimental>
            </molecular_weight>
            <number_of_copies>1</number_of_copies>
            <oligomeric_state>Monomer</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism>HeLa cells</recombinant_organism>
            </recombinant_expression>
            <sequence>
               <external_references type="GO">GO:0004672</external_references>
               <external_references type="INTERPRO">IPR000403</external_references>
            </sequence>
         </protein_or_peptide>
         <protein_or_peptide macromolecule_id="2">
            <name>Ku70</name>
            <natural_source database="NCBI">
               <organism ncbi="9606">Homo sapiens</organism>
               <synonym_organism>Human</synonym_organism>
               <cell>HeLa</cell>
               <organelle>Nucleus</organelle>
            </natural_source>
            <molecular_weight>
               <experimental units="MDa">0.07</experimental>
            </molecular_weight>
            <number_of_copies>1</number_of_copies>
            <oligomeric_state>monomer</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism>HeLa cells</recombinant_organism>
            </recombinant_expression>
            <sequence>
               <external_references type="GO">GO:0006303</external_references>
               <external_references type="INTERPRO">IPR006165</external_references>
            </sequence>
         </protein_or_peptide>
         <protein_or_peptide macromolecule_id="3">
            <name>Ku80</name>
            <natural_source database="NCBI">
               <organism ncbi="9606">Homo sapiens</organism>
               <synonym_organism>Human</synonym_organism>
               <cell>HeLa cells</cell>
               <organelle>Nucleus</organelle>
            </natural_source>
            <molecular_weight>
               <experimental units="MDa">0.085</experimental>
            </molecular_weight>
            <number_of_copies>1</number_of_copies>
            <oligomeric_state>monomer</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism>HeLa cells</recombinant_organism>
            </recombinant_expression>
            <sequence>
               <external_references type="GO">GO:0006302</external_references>
               <external_references type="INTERPRO">IPR011210</external_references>
            </sequence>
         </protein_or_peptide>
         <dna macromolecule_id="4">
            <name>DNA</name>
            <classification>DNA</classification>
            <structure>DOUBLE HELIX</structure>
            <synthetic_flag>true</synthetic_flag>
         </dna>
      </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>7.5</ph>
                  <details>20 mM Hepes, 200 mM KCl, 0.1 mM DTT, 0.5 mM EDTA</details>
               </buffer>
               <grid>
                  <details>400 mesh carbon coated Rhodium-Copper grids</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_temperature units="K">90</chamber_temperature>
                  <instrument>HOMEMADE PLUNGER</instrument>
                  <details>Vitrification instrument: home made plunger</details>
                  <method>Blot for a few seconds before plunging</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI TECNAI F20</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">2.26</nominal_cs>
               <nominal_defocus_min units="&#181;m">3.0</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">7.0</nominal_defocus_max>
               <nominal_magnification>50000.0</nominal_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <temperature>
                  <temperature_average units="K">90</temperature_average>
               </temperature>
               <alignment_procedure>
                  <legacy>
                     <astigmatism>FFT with ssCCD</astigmatism>
                  </legacy>
               </alignment_procedure>
               <details>Microscope model: TECNAI G2 200 kV, FEI.</details>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>OTHER</scanner>
                        <sampling_interval units="&#181;m">10</sampling_interval>
                     </digitization_details>
                     <number_real_images>32</number_real_images>
                     <details>Scanner: MINOLTA Dimage Scan Multi Pro</details>
                     <bits_per_pixel>16.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>side entry liquid-nitrogen cooled cryo specimen
        holder. Eucentric</specimen_holder>
               <tilt_angle_min>0</tilt_angle_min>
               <tilt_angle_max>0</tilt_angle_max>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>Each partcile using CTFIND3 and EMAN.</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">32.0</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>EMAN</name>
                  </software>
               </software_list>
               <number_images_used>4189</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="1459">
      <file>emd_1208.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>-36</col>
         <row>-36</row>
         <sec>-36</sec>
      </origin>
      <spacing>
         <x>72</x>
         <y>72</y>
         <z>72</z>
      </spacing>
      <cell>
         <a units="&#8491;">312.4</a>
         <b units="&#8491;">312.4</b>
         <c units="&#8491;">312.4</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>-3.54159</minimum>
         <maximum>9.427670000000001</maximum>
         <average>-0.281887</average>
         <std>0.850615</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">4.4</x>
         <y units="&#8491;">4.4</y>
         <z units="&#8491;">4.4</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>1.0</level>
         </contour>
      </contour_list>
      <annotation_details>3D structure of the DNA-bound DNAPKcs/Ku70/ku80
      complex using cryoEM</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1208::::</details>
   </map>
</emd>