<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-2872" 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>2015-01-29</deposition>
         <header_release>2015-02-18</header_release>
         <map_release>2015-02-18</map_release>
         <update>2015-04-15</update>
      </key_dates>
      <title>Negative stain electron microscopy of recombinant human minichromosome maintenance complex</title>
      <authors_list>
         <author>Hesketh EL</author>
         <author>Parker-Manuel RP</author>
         <author>Chaban Y</author>
         <author>Satti R</author>
         <author>Coverley D</author>
         <author>Orlova EV</author>
         <author>Chong JPJ</author>
      </authors_list>
      <keywords>mini chromosome maintenance, DNA helicase, MCM2-7, hMCM</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Hesketh EL</author>
               <author order="2">Parker-Manuel RP</author>
               <author order="3">Chaban Y</author>
               <author order="4">Satti R</author>
               <author order="5">Coverley D</author>
               <author order="6">Orlova EV</author>
               <author order="7">Chong JP</author>
               <title>DNA Induces Conformational Changes in a Recombinant Human Minichromosome Maintenance Complex.</title>
               <journal>J.BIOL.CHEM.</journal>
               <volume>290</volume>
               <first_page>7973</first_page>
               <last_page>7979</last_page>
               <year>2015</year>
               <external_references type="PUBMED">25648893</external_references>
               <external_references type="DOI">doi:10.1074/jbc.M114.622738</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>Recombinant human mini chromosome maintenance complex 2-7</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Recombinant human mini chromosome maintenance complex 2-7</name>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">0.567</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="MCM, hMCM">Mini chromosome maintenance (2-7) complex</name>
            <natural_source database="NCBI">
               <organism ncbi="9606">Homo sapiens</organism>
               <synonym_organism>Human</synonym_organism>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.567</theoretical>
            </molecular_weight>
            <number_of_copies>1</number_of_copies>
            <oligomeric_state>heterohexamer</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
               <recombinant_strain>Rosetta 2</recombinant_strain>
               <recombinant_plasmid>pET-32, PCDF-2, pRSF-2</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">0.999</concentration>
               <buffer>
                  <ph>8.0</ph>
                  <details>25 mM HEPES pH 8.0, 200mM sodium glutamate, 1mM DTT, 0.1 mM AEBSF</details>
               </buffer>
               <staining>
                  <type>NEGATIVE</type>
                  <details>Stained with methylamine tungstate</details>
               </staining>
               <grid>
                  <details>Carbon coated grids</details>
               </grid>
               <vitrification>
                  <cryogen_name>NONE</cryogen_name>
                  <instrument>OTHER</instrument>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI TECNAI 12</microscope>
               <illumination_mode>SPOT SCAN</illumination_mode>
               <imaging_mode>DARK FIELD</imaging_mode>
               <electron_source>LAB6</electron_source>
               <acceleration_voltage units="kV">120</acceleration_voltage>
               <calibrated_magnification>67000.0</calibrated_magnification>
               <specimen_holder_model>SIDE ENTRY, EUCENTRIC</specimen_holder_model>
               <date>2012-05-10</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>ZEISS SCAI</scanner>
                        <sampling_interval units="&#181;m">14</sampling_interval>
                     </digitization_details>
                     <number_real_images>31</number_real_images>
                  </image_recording>
               </image_recording_list>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <details>Particle picking was carried out automatically using the program Boxer EMAN suite (Tang et al., 2007). Analysis of the CTF and correction was completed using the program CTFIT (EMAN suite, Tang et al., 2007). The following image analysis was performed using IMAGIC-5 (van Heel et al., 1996).</details>
            <ctf_correction>
               <details>EACH MICROGRAPH</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">23.0</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>IMAGIC</name>
                  </software>
               </software_list>
               <details>Final maps were averaged from 10 classes</details>
               <number_images_used>1100</number_images_used>
            </final_reconstruction>
            <final_two_d_classification>
               <number_classes>100</number_classes>
            </final_two_d_classification>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="31251">
      <file>emd_2872.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>200</col>
         <row>200</row>
         <sec>200</sec>
      </dimensions>
      <origin>
         <col>-92</col>
         <row>-92</row>
         <sec>-92</sec>
      </origin>
      <spacing>
         <x>200</x>
         <y>200</y>
         <z>200</z>
      </spacing>
      <cell>
         <a units="&#8491;">500.0</a>
         <b units="&#8491;">500.0</b>
         <c units="&#8491;">500.0</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>-0.01498062</minimum>
         <maximum>3.9045434</maximum>
         <average>0.02013654</average>
         <std>0.18367308</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">2.5</x>
         <y units="&#8491;">2.5</y>
         <z units="&#8491;">2.5</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>0.4</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>Reconstruction of recombinant human minichromosome maintenance complex</annotation_details>
      <details>::::EMDATABANK.org::::EMD-2872::::</details>
   </map>
</emd>