<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-3185" 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>2015-10-03</deposition>
         <header_release>2015-10-28</header_release>
         <map_release>2015-11-04</map_release>
         <update>2015-11-25</update>
      </key_dates>
      <title>Structure of the in vitro assembled bacteriophage phi6 polymerase complex</title>
      <authors_list>
         <author>Ilca S</author>
         <author>Kotecha A</author>
         <author>Sun X</author>
         <author>Poranen MP</author>
         <author>Stuart DI</author>
         <author>Huiskonen JT</author>
      </authors_list>
      <keywords>Bacteriophage phi6, polymerase complex</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Ilca SL</author>
               <author order="2">Kotecha A</author>
               <author order="3">Sun X</author>
               <author order="4">Poranen MP</author>
               <author order="5">Stuart DI</author>
               <author order="6">Huiskonen JT</author>
               <title>Localized reconstruction of subunits from electron cryomicroscopy images of macromolecular complexes</title>
               <journal>Nat. Commun.</journal>
               <volume>6</volume>
               <first_page>8843</first_page>
               <year>2015</year>
               <external_references type="PUBMED">26534841</external_references>
               <external_references type="DOI">doi:10.1038/ncomms9843</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>5fj5</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>Bacteriophage phi6 polymerase complex assembled in vitro from purified proteins P1, P2, and P4</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Bacteriophage phi6 polymerase complex assembled in vitro from purified proteins P1, P2, and P4</name>
            <oligomeric_state>Icosahedral assembly with 120 copies of P1</oligomeric_state>
            <number_unique_components>3</number_unique_components>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name>P1 protein from bacteriophage phi6</name>
            <natural_source database="NCBI">
               <organism ncbi="10879">Pseudomonas phage phi6</organism>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.085</theoretical>
            </molecular_weight>
            <number_of_copies>120</number_of_copies>
            <oligomeric_state>60 asymmetric dimers from an icosahedral shell</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="317">Pseudomonas syringae</recombinant_organism>
               <recombinant_strain>pathovar phaseolicola</recombinant_strain>
               <recombinant_plasmid>pLM358</recombinant_plasmid>
            </recombinant_expression>
            <sequence>
               <external_references type="UNIPROTKB">P11126</external_references>
            </sequence>
         </protein_or_peptide>
         <protein_or_peptide macromolecule_id="2">
            <name>P2 protein from bacteriophage phi6</name>
            <natural_source database="NCBI">
               <organism ncbi="10879">Pseudomonas phage phi6</organism>
               <synonym_organism>bacteriophage phi6</synonym_organism>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.075</theoretical>
            </molecular_weight>
            <oligomeric_state>monomer</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="317">Pseudomonas syringae</recombinant_organism>
               <recombinant_strain>pathovar phaseolicola</recombinant_strain>
               <recombinant_plasmid>pLM358</recombinant_plasmid>
            </recombinant_expression>
            <sequence>
               <external_references type="UNIPROTKB">P11124</external_references>
            </sequence>
         </protein_or_peptide>
         <protein_or_peptide macromolecule_id="3">
            <name>P4 protein from bacteriophage phi6</name>
            <natural_source database="NCBI">
               <organism ncbi="10879">Pseudomonas phage phi6</organism>
               <synonym_organism>bacteriophage phi6</synonym_organism>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.035</theoretical>
            </molecular_weight>
            <oligomeric_state>hexamer</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="317">Pseudomonas syringae</recombinant_organism>
               <recombinant_strain>pathovar phaseolicola</recombinant_strain>
               <recombinant_plasmid>pLM358</recombinant_plasmid>
            </recombinant_expression>
            <sequence>
               <external_references type="UNIPROTKB">P11125</external_references>
            </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">2.4</concentration>
               <buffer>
                  <ph>8.0</ph>
                  <details>50 mM Tris</details>
               </buffer>
               <grid>
                  <details>glow discharged Cflat grid (CF-2/1-2C-T)</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_temperature units="K">120</chamber_temperature>
                  <instrument>FEI VITROBOT MARK IV</instrument>
                  <method>Blot 4 seconds 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>FLOOD BEAM</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">1.1</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">2.6</nominal_defocus_max>
               <nominal_magnification>160000.0</nominal_magnification>
               <calibrated_magnification>37037.0</calibrated_magnification>
               <specimen_holder_model>OTHER</specimen_holder_model>
               <temperature>
                  <temperature_min units="K">81</temperature_min>
                  <temperature_max units="K">120</temperature_max>
                  <temperature_average units="K">81</temperature_average>
               </temperature>
               <specialist_optics>
                  <energy_filter>
                     <name>GIF QUANTUM LS</name>
                     <lower_energy_threshold units="eV">0.0</lower_energy_threshold>
                     <upper_energy_threshold units="eV">20.0</upper_energy_threshold>
                  </energy_filter>
               </specialist_optics>
               <details>dose rate 6-8 e-/pix/s</details>
               <date>2014-06-12</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                     <digitization_details>
                        <sampling_interval units="&#181;m">5</sampling_interval>
                     </digitization_details>
                     <number_real_images>834</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">16</average_electron_dose_per_image>
                     <details>Every image is the average of 22 frames recorded by the direct electron detector</details>
                     <bits_per_pixel>16.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <details>Particles were selected from the best classes after 2D and 3D classification</details>
            <ctf_correction>
               <details>Each particle</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>I</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">4.8</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>Relion</name>
                  </software>
               </software_list>
               <details>Final map was postprocessed in Relion. Inverse B-factor of 200 was applied.</details>
               <number_images_used>4379</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="432001">
      <file>emd_3185.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>480</col>
         <row>480</row>
         <sec>480</sec>
      </dimensions>
      <origin>
         <col>0</col>
         <row>0</row>
         <sec>0</sec>
      </origin>
      <spacing>
         <x>480</x>
         <y>480</y>
         <z>480</z>
      </spacing>
      <cell>
         <a units="&#8491;">648.0</a>
         <b units="&#8491;">648.0</b>
         <c units="&#8491;">648.0</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>-0.04862845</minimum>
         <maximum>0.05562008</maximum>
         <average>-0.0000143</average>
         <std>0.00450121</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">1.35</x>
         <y units="&#8491;">1.35</y>
         <z units="&#8491;">1.35</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>0.02</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>Icosahedral reconstruction of in vitro assembled bacteriophage phi6 polymerase complex</annotation_details>
      <details>::::EMDATABANK.org::::EMD-3185::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>4K7H</access_code>
               <chain>
                  <chain_id>A</chain_id>
               </chain>
               <chain>
                  <chain_id>B</chain_id>
               </chain>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>Chimera, COOT, Phenix</name>
               </software>
            </software_list>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
      <figure_list>
         <figure>
            <file>emd_3185.tiff</file>
         </figure>
      </figure_list>
      <segmentation_list>
         <segmentation>
            <file>emd_3185_msk_1.map</file>
            <mask_details format="CCP4" size_kbytes="432001">
               <file>emd_3185_msk_1.map</file>
               <symmetry>
                  <space_group>1</space_group>
               </symmetry>
               <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
               <dimensions>
                  <col>480</col>
                  <row>480</row>
                  <sec>480</sec>
               </dimensions>
               <origin>
                  <col>0</col>
                  <row>0</row>
                  <sec>0</sec>
               </origin>
               <spacing>
                  <x>480</x>
                  <y>480</y>
                  <z>480</z>
               </spacing>
               <cell>
                  <a units="&#8491;">648.0</a>
                  <b units="&#8491;">648.0</b>
                  <c units="&#8491;">648.0</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>0.0</minimum>
                  <maximum>1.0</maximum>
                  <average>0.07750795</average>
                  <std>0.25389931</std>
               </statistics>
               <pixel_spacing>
                  <x units="&#8491;">1.35</x>
                  <y units="&#8491;">1.35</y>
                  <z units="&#8491;">1.35</z>
               </pixel_spacing>
               <annotation_details>Mask used for FSC</annotation_details>
               <details>::::EMDATABANK.org::::</details>
            </mask_details>
         </segmentation>
      </segmentation_list>
   </interpretation>
   <validation>
      <fsc_curve>
         <file>emd_3185_fsc.xml</file>
      </fsc_curve>
   </validation>
</emd>
