<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1713" 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>2010-04-27</deposition>
         <header_release>2010-06-07</header_release>
         <map_release>2010-06-07</map_release>
         <update>2013-03-13</update>
      </key_dates>
      <title>Capsid structure of the infectious Prochlorococcus Cyanophage P-SSP7</title>
      <authors_list>
         <author>Liu X</author>
         <author>Zhang Q</author>
         <author>Murata K</author>
         <author>Baker ML</author>
         <author>Sullivan MB</author>
         <author>Fu C</author>
         <author>Dougherty M</author>
         <author>Schmid MF</author>
         <author>Osburne MS</author>
         <author>Chisholm SW</author>
         <author>Chiu W</author>
      </authors_list>
      <keywords>Marine Podovirus, T7-like virus, infects Prochlorococcus MED4</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Liu X</author>
               <author order="2">Zhang Q</author>
               <author order="3">Murata K</author>
               <author order="4">Baker ML</author>
               <author order="5">Sullivan MB</author>
               <author order="6">Fu C</author>
               <author order="7">Dougherty MT</author>
               <author order="8">Schmid MF</author>
               <author order="9">Osburne MS</author>
               <author order="10">Chisholm SW</author>
               <author order="11">Chiu W</author>
               <title>Structural changes in a marine podovirus associated with release of its genome into Prochlorococcus.</title>
               <journal>NAT.STRUCT.MOL.BIOL.</journal>
               <volume>17</volume>
               <first_page>830</first_page>
               <last_page>836</last_page>
               <year>2010</year>
               <external_references type="PUBMED">20543830</external_references>
               <external_references type="DOI">doi:10.1038/nsmb.1823</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <emdb_list>
         <emdb_reference>
            <emdb_id>EMD-1707</emdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </emdb_reference>
         <emdb_reference>
            <emdb_id>EMD-1714</emdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </emdb_reference>
         <emdb_reference>
            <emdb_id>EMD-1715</emdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </emdb_reference>
      </emdb_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>2xd8</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>Cyanophage P-SSP7</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Cyanophage P-SSP7</name>
            <number_unique_components>1</number_unique_components>
         </sample_supramolecule>
         <virus_supramolecule supramolecule_id="1">
            <name synonym="T7-LIKE CAPSID">Prochlorococcus phage P-SSP7</name>
            <details>The gp10 protein of P-SSP7 contains 375 amino acids.</details>
            <sci_species_name ncbi="268748">Prochlorococcus phage P-SSP7</sci_species_name>
            <natural_host database="NCBI">
               <organism ncbi="1218">Prochlorococcus</organism>
               <synonym_organism>BACTERIA(EUBACTERIA)</synonym_organism>
            </natural_host>
            <host_system database="NCBI">
               </host_system>
            <virus_shell shell_id="1">
               <diameter units="&#8491;">655</diameter>
               <triangulation>7</triangulation>
            </virus_shell>
            <virus_type>VIRION</virus_type>
            <virus_isolate>STRAIN</virus_isolate>
            <virus_enveloped>false</virus_enveloped>
            <virus_empty>false</virus_empty>
            <syn_species_name>T7-LIKE CAPSID</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">
               <concentration units="mg/mL">5</concentration>
               <buffer>
                  <ph>7.5</ph>
                  <details>100 mM Tris-HCl , 100 mM MgSO4, and 30 mM NaCl</details>
               </buffer>
               <staining>
                  <type>NEGATIVE</type>
                  <details>No stain</details>
               </staining>
               <grid>
                  <details>200 mesh copper grid</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_humidity units="percentage">30</chamber_humidity>
                  <chamber_temperature units="K">101</chamber_temperature>
                  <instrument>OTHER</instrument>
                  <details>Vitrification instrument: FEI Vitrobot</details>
                  <method>Blot for 2 seconds 2 times before plunging</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>JEOL 3200FSC</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">4.1</nominal_cs>
               <nominal_defocus_min units="&#181;m">0.6</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">3.0</nominal_defocus_max>
               <nominal_magnification>60000.0</nominal_magnification>
               <specimen_holder_model>JEOL 3200FSC CRYOHOLDER</specimen_holder_model>
               <temperature>
                  <temperature_min units="K">4.5</temperature_min>
                  <temperature_max units="K">102</temperature_max>
                  <temperature_average units="K">101</temperature_average>
               </temperature>
               <alignment_procedure>
                  <legacy>
                     <astigmatism>Objective lens astigmatism was corrected at 400,000 times magnification</astigmatism>
                  </legacy>
               </alignment_procedure>
               <specialist_optics>
                  <energy_filter>
                     <name>JEOL</name>
                     <lower_energy_threshold units="eV">15.0</lower_energy_threshold>
                     <upper_energy_threshold units="eV">20.0</upper_energy_threshold>
                  </energy_filter>
               </specialist_optics>
               <details>MDS</details>
               <date>2007-08-31</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>NIKON SUPER COOLSCAN 9000</scanner>
                        <sampling_interval units="&#181;m">6.35</sampling_interval>
                     </digitization_details>
                     <number_real_images>1059</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">20</average_electron_dose_per_image>
                     <details>The cryoEM images were recorded on Kodak SO163 films. The films were developed in full strength D19 Kodak developer for 12 minutes at 20 degree and fixed for 10 minutes in Kodak fixer. The films were digitized at 6.35 microns per pixel using a Nikon Super CoolScan 9000 ED scanner (Nikon Corp., Japan).</details>
                     <bits_per_pixel>8.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Side entry</specimen_holder>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <details>The particle were selected by the consistency criterion of MPSA</details>
            <ctf_correction>
               <details>Each Micrograph</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>I</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">4.6</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>MPSA</name>
                  </software>
               </software_list>
               <details>The map was directly built from raw particles with icosahedral symmetry enforced.</details>
               <number_images_used>36000</number_images_used>
            </final_reconstruction>
            <final_angle_assignment>
               <details>EMAN: Z along 5-fold and Y along 2-fold axis.</details>
            </final_angle_assignment>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="746497">
      <file>emd_1713.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>576</col>
         <row>576</row>
         <sec>576</sec>
      </dimensions>
      <origin>
         <col>-288</col>
         <row>-288</row>
         <sec>-288</sec>
      </origin>
      <spacing>
         <x>576</x>
         <y>576</y>
         <z>576</z>
      </spacing>
      <cell>
         <a units="&#8491;">673.92</a>
         <b units="&#8491;">673.92</b>
         <c units="&#8491;">673.92</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>-8.225070000000001</minimum>
         <maximum>2.83289</maximum>
         <average>0.0294803</average>
         <std>0.261701</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">1.17</x>
         <y units="&#8491;">1.17</y>
         <z units="&#8491;">1.17</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>1.0</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>Icosahedral capsid structure of cyanophage P-SSP7</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1713::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>1IJG</access_code>
            </initial_model>
            <refinement_space>REAL</refinement_space>
         </modelling>
         <modelling>
            <initial_model>
               <access_code>2JES</access_code>
            </initial_model>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>