<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1883" 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>2011-02-22</deposition>
         <header_release>2011-03-18</header_release>
         <map_release>2011-04-21</map_release>
         <update>2011-04-21</update>
      </key_dates>
      <title>Three-dimensional structure of the RNA polymerase II-Iwr1 complex</title>
      <authors_list>
         <author>Czeko E</author>
         <author>Seizl M</author>
         <author>Augsberger C</author>
         <author>Mielke T</author>
         <author>Cramer P</author>
      </authors_list>
      <keywords>transcription, Pol II, nuclear import</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Czeko E</author>
               <author order="2">Seizl M</author>
               <author order="3">Augsberger C</author>
               <author order="4">Mielke T</author>
               <author order="5">Cramer P</author>
               <title>Iwr1 directs RNA polymerase II nuclear import.</title>
               <journal>MOLECULAR CELL</journal>
               <volume>42</volume>
               <first_page>261</first_page>
               <last_page>266</last_page>
               <year>2011</year>
               <external_references type="PUBMED">21504834</external_references>
               <external_references type="DOI">doi:10.1016/j.molcel.2011.02.033</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>RNA polymerase II-Iwr1</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>RNA polymerase II-Iwr1</name>
            <oligomeric_state>Monomeric</oligomeric_state>
            <number_unique_components>2</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">0.55</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="Pol II">DNA-directed RNA polymerase</name>
            <natural_source database="NCBI">
               <organism ncbi="4932">Saccharomyces cerevisiae</organism>
               <synonym_organism>Baker's Yeast</synonym_organism>
               <organelle>Nucleus</organelle>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.51</theoretical>
            </molecular_weight>
            <number_of_copies>1</number_of_copies>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
            <sequence>
               </sequence>
         </protein_or_peptide>
         <protein_or_peptide macromolecule_id="2">
            <name synonym="Iwr1">Import adaptor</name>
            <natural_source database="NCBI">
               <organism ncbi="4932">Saccharomyces cerevisiae</organism>
               <synonym_organism>Baker's Yeast</synonym_organism>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.04</theoretical>
            </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 ncbi="562">Escherichia coli</recombinant_organism>
               <recombinant_plasmid>pET21b</recombinant_plasmid>
            </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">0.1</concentration>
               <buffer>
                  <ph>7.25</ph>
                  <details>5 mM HEPES, 40 mM Ammonium sulfate, 10 microM Zinc chloride, 10 mM DTT</details>
               </buffer>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_humidity units="percentage">95</chamber_humidity>
                  <chamber_temperature units="K">80</chamber_temperature>
                  <instrument>OTHER</instrument>
                  <details>Vitrification instrument: FEI Vitrobot</details>
                  <method>Blot for 10 s before plunging</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI POLARA 300</microscope>
               <illumination_mode>SPOT SCAN</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">2.0</nominal_cs>
               <nominal_defocus_min units="&#181;m">1.5</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">3.5</nominal_defocus_max>
               <nominal_magnification>67000.0</nominal_magnification>
               <specimen_holder_model>OTHER</specimen_holder_model>
               <temperature>
                  <temperature_average units="K">80</temperature_average>
               </temperature>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>OTHER</scanner>
                     </digitization_details>
                     <number_real_images>35</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">25</average_electron_dose_per_image>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Multispecimen holder</specimen_holder>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <details>Particles were selected using Signature and thereafter checked manually</details>
            <ctf_correction>
               <details>Defocus groups</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">20.9</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>SPIDER</name>
                  </software>
               </software_list>
               <number_images_used>25206</number_images_used>
            </final_reconstruction>
            <final_angle_assignment>
               <details>SPIDER</details>
            </final_angle_assignment>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="1341">
      <file>emd_1883.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>70</col>
         <row>70</row>
         <sec>70</sec>
      </dimensions>
      <origin>
         <col>0</col>
         <row>0</row>
         <sec>0</sec>
      </origin>
      <spacing>
         <x>70</x>
         <y>70</y>
         <z>70</z>
      </spacing>
      <cell>
         <a units="&#8491;">259.7</a>
         <b units="&#8491;">259.7</b>
         <c units="&#8491;">259.7</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>-0.0012936</minimum>
         <maximum>0.00285934</maximum>
         <average>0.0000121694</average>
         <std>0.000265325</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">3.71</x>
         <y units="&#8491;">3.71</y>
         <z units="&#8491;">3.71</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>0.0005</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>This is a map of the RNA Polymerase II-Iwr1 complex.</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1883::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>1WCM</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>Chimera</name>
               </software>
            </software_list>
            <details>Protocol: Rigid body</details>
            <target_criteria>Least-square</target_criteria>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>