<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1120" 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>2005-02-17</deposition>
         <header_release>2005-04-05</header_release>
         <map_release>2005-04-26</map_release>
         <update>2012-11-07</update>
      </key_dates>
      <title>Conservation of the capsid structure in tailed dsDNA bacteriophages: the pseudoatomic structure of phi29.</title>
      <authors_list>
         <author>Morais MC</author>
         <author>Choi KH</author>
         <author>Koti JS</author>
         <author>Chipman PR</author>
         <author>Anderson DL</author>
         <author>Rossmann MG</author>
      </authors_list>
      <keywords>
         </keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Morais MC</author>
               <author order="2">Choi KH</author>
               <author order="3">Koti JS</author>
               <author order="4">Chipman PR</author>
               <author order="5">Anderson DL</author>
               <author order="6">Rossmann MG</author>
               <title>Conservation of the capsid structure in tailed dsDNA bacteriophages: the pseudoatomic structure of phi29.</title>
               <journal>MOLECULAR CELL</journal>
               <volume>18</volume>
               <first_page>149</first_page>
               <last_page>159</last_page>
               <year>2005</year>
               <external_references type="PUBMED">15837419</external_references>
               <external_references type="DOI">doi:10.1016/j.molcel.2005.03.013</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>1yxn</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>phi29 fiberless isometric particle</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>phi29 fiberless isometric particle</name>
            <oligomeric_state>particle forms an T3 icosahedron</oligomeric_state>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">8.97</theoretical>
            </molecular_weight>
         </sample_supramolecule>
         <virus_supramolecule supramolecule_id="1">
            <name synonym="phi29">Bacillus phage phi29</name>
            <sci_species_name ncbi="10756">Bacillus phage phi29</sci_species_name>
            <natural_host database="NCBI">
               <organism ncbi="1423">Bacillus subtilis</organism>
               <synonym_organism>BACTERIA(EUBACTERIA)</synonym_organism>
            </natural_host>
            <host_system database="NCBI">
               </host_system>
            <molecular_weight>
               <experimental units="MDa">8.97</experimental>
            </molecular_weight>
            <virus_shell shell_id="1">
               <diameter units="&#8491;">425</diameter>
               <triangulation>3</triangulation>
            </virus_shell>
            <virus_type>VIRUS-LIKE PARTICLE</virus_type>
            <virus_isolate>SPECIES</virus_isolate>
            <virus_enveloped>false</virus_enveloped>
            <virus_empty>true</virus_empty>
            <syn_species_name>phi29</syn_species_name>
         </virus_supramolecule>
      </supramolecule_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>7.8</ph>
                  <details>25 mM Tris-HCl 5 mM MgCl2 50 mM NaCl 5 mM sodium azide</details>
               </buffer>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <instrument>HOMEMADE PLUNGER</instrument>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI/PHILIPS CM200FEG</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">2.0</nominal_cs>
               <nominal_defocus_min units="&#181;m">0.7</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">3.0</nominal_defocus_max>
               <nominal_magnification>38000.0</nominal_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <temperature>
                  <temperature_average units="K">90.0</temperature_average>
               </temperature>
               <alignment_procedure>
                  <legacy>
                     <electron_beam_tilt_params>0.0</electron_beam_tilt_params>
                  </legacy>
               </alignment_procedure>
               <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">7</sampling_interval>
                     </digitization_details>
                     <number_real_images>15</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">20</average_electron_dose_per_image>
                     <bits_per_pixel>8.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Side entry liquid nitrogen-cooled cryo specimen holder</specimen_holder>
               <tilt_angle_min>0.0</tilt_angle_min>
               <tilt_angle_max>0.0</tilt_angle_max>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>CTF correction included phase and amplitude
        correction for whole micrographs</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>I</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">7.9</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>EMPFT, POR, P3DR</name>
                  </software>
               </software_list>
               <number_images_used>5922</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="86674">
      <file>emd_1120.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>281</col>
         <row>281</row>
         <sec>281</sec>
      </dimensions>
      <origin>
         <col>-140</col>
         <row>-140</row>
         <sec>-140</sec>
      </origin>
      <spacing>
         <x>281</x>
         <y>281</y>
         <z>281</z>
      </spacing>
      <cell>
         <a units="&#8491;">517.04</a>
         <b units="&#8491;">517.04</b>
         <c units="&#8491;">517.04</c>
         <alpha units="deg">90</alpha>
         <beta units="deg">90</beta>
         <gamma units="deg">90</gamma>
      </cell>
      <axis_order>
         <fast>Y</fast>
         <medium>X</medium>
         <slow>Z</slow>
      </axis_order>
      <statistics>
         <minimum>-7.0043</minimum>
         <maximum>18.995999999999999</maximum>
         <average>0.558723</average>
         <std>3.64087</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">1.84</x>
         <y units="&#8491;">1.84</y>
         <z units="&#8491;">1.84</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>10.0</level>
         </contour>
      </contour_list>
      <annotation_details>This map is a 3D cryo-EM reconstruction of a
      fiberless, isometric variant of bacteriophage phi29.</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1120::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>SITUS and EMFIT</name>
               </software>
            </software_list>
            <details>Protocol: Rigid Body. The fitted molecule consists of two domains, an HK97-like domain and a bacterial immunoglobulin group 2-like domain (BIG2). The two domains were fitted separately.</details>
            <target_criteria>correlation of laplacian filtered data for
        SITUS,       and for EMFIT, target maximizes positive density
        around an atom,       minimizes negative density, and
        minimizes clashes with neighboring olecules</target_criteria>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>