<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-8306" version="3.0.0.0" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_0_0/emdb.xsd">
    <admin>
        <current_status>
            <date>2018-07-18</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2016-08-02</deposition>
            <header_release>2016-10-05</header_release>
            <map_release>2016-10-12</map_release>
            <update>2018-07-18</update>
        </key_dates>
        <title>CryoEM structure of a beak and feather disease virus-like particle encapsidating ssDNA</title>
        <authors_list>
            <author>Hardy JM</author>
            <author>Sarker S</author>
            <author>Radjainia M</author>
            <author>Raidal SR</author>
            <author>Forwood JK</author>
            <author>Coulibaly F</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Sarker S</author>
                    <author order="2">Terron MC</author>
                    <author order="3">Khandokar Y</author>
                    <author order="4">Aragao D</author>
                    <author order="5">Hardy JM</author>
                    <author order="6">Radjainia M</author>
                    <author order="7">Jimenez-Zaragoza M</author>
                    <author order="8">de Pablo PJ</author>
                    <author order="9">Coulibaly F</author>
                    <author order="10">Luque D</author>
                    <author order="11">Raidal SR</author>
                    <author order="12">Forwood JK</author>
                    <title>Structural insights into the assembly and regulation of distinct viral capsid complexes.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>7</volume>
                    <first_page>13014</first_page>
                    <last_page>13014</last_page>
                    <year>2016</year>
                    <external_references type="PUBMED">27698405</external_references>
                    <external_references type="DOI">doi:10.1038/ncomms13014</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-8306</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Beak and feather disease virus</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Beak and feather disease virus</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>Recombinant protein complex bound to ssDNA in an icosahedral arrangement</details>
                <sci_species_name ncbi="77856">Beak and feather disease virus</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="471713">Cacatua leadbeateri</organism>
                </natural_host>
                <host_system database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                    <recombinant_strain>Rosetta 2</recombinant_strain>
                    <recombinant_plasmid>pMCSG21</recombinant_plasmid>
                </host_system>
                <molecular_weight>
                    <theoretical units="MDa">2.595</theoretical>
                </molecular_weight>
                <virus_shell shell_id="1">
                    <name>Capsid</name>
                    <diameter units="&#8491;">170.0</diameter>
                    <triangulation>1</triangulation>
                </virus_shell>
                <virus_type>VIRUS-LIKE PARTICLE</virus_type>
                <virus_isolate>SPECIES</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>false</virus_empty>
            </virus_supramolecule>
            <organelle_or_cellular_component_supramolecule supramolecule_id="2">
                <name>42mer ssDNA</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>The difference map produced by subtracting the crystal structure of the protein component (PDB: 5J37) from the cryoEM map</details>
                <natural_source database="NCBI">
                    <organism ncbi="77856">Beak and feather disease virus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.784</theoretical>
                </molecular_weight>
            </organelle_or_cellular_component_supramolecule>
            <complex_supramolecule supramolecule_id="3">
                <name>Cap protein</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>Icosahedral capsid</details>
                <natural_source database="NCBI">
                    <organism ncbi="77856">Beak and feather disease virus</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                    <recombinant_strain>Rosetta 2</recombinant_strain>
                    <recombinant_plasmid>pMCSG21</recombinant_plasmid>
                </recombinant_expression>
                <molecular_weight>
                    <theoretical units="MDa">1.811</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Cap Protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="77856">Beak and feather disease virus</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MHHHHHHSSGVDLGTENLYFQSNARRRYARPYRRRHIRRYRRRRRHFRRRRFSTNRIYTLRLTRQFQFKINKQTTSVGNLIFNADYITFALDDFLQAVPNPHTLNFEDYRIKLAKMEMRPTGGHYTVQSDGFGHTAVIQDSRITRFKTTADQTQDPLAPFDGAKKWFVSRGFKRLLRPKPQITIEDLTTANQSAALWLNSARTGWIPLQGGPNSAGTKVRHYGIAFSFPQPEQTITYVTKLTLYVQFRQFAPNNPST</string>
                </sequence>
            </protein_or_peptide>
            <dna macromolecule_id="2">
                <name>42mer ssDNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="77856">Beak and feather disease virus</organism>
                </natural_source>
                <sequence>
                    <string>TTATCCACTTCCAATGTTATTAAGTGCTGGGATTGTTAGGGG</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
        </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">3.6</concentration>
                    <buffer>
                        <ph>8.</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>C4H11NO3</formula>
                            <name>Tris</name>
                        </component>
                        <component>
                            <concentration units="mM">125.0</concentration>
                            <formula>NaCl</formula>
                            <name>sodium chloride</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <mesh>300</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>3 second blot (-1 force), 2 second drain time. </details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</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>
                    <c2_aperture_diameter units="&#181;m">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="&#181;m">0.6</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">3.5</nominal_defocus_max>
                    <nominal_magnification>75000.</nominal_magnification>
                    <calibrated_magnification>127000.</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free />
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI FALCON II (4k x 4k)</film_or_detector_model>
                            <detector_mode>INTEGRATING</detector_mode>
                            <digitization_details>
                                <sampling_interval units="&#181;m">14.0</sampling_interval>
                                <frames_per_image>1-6</frames_per_image>
                            </digitization_details>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>1153</number_real_images>
                            <average_exposure_time units="s">1.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/&#8491;^2">2.65</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <particle_selection>
                    <number_selected>64278</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND</name>
                            <version>3</version>
                        </software>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                </ctf_correction>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>5J37</pdb_id>
                    </pdb_model>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>2</number_classes_used>
                    <applied_symmetry>
                        <point_group>I</point_group>
                    </applied_symmetry>
                    <algorithm>BACK PROJECTION</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">4.5</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                    <number_images_used>22663</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing />
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="70305">
        <file>emd_8306.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>260</col>
            <row>260</row>
            <sec>260</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>260</x>
            <y>260</y>
            <z>260</z>
        </spacing>
        <cell>
            <a units="&#8491;">265.19998</a>
            <b units="&#8491;">265.19998</b>
            <c units="&#8491;">265.19998</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>-0.022331327</minimum>
            <maximum>0.08072096</maximum>
            <average>0.0032806823</average>
            <std>0.01173152</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">1.02</x>
            <y units="&#8491;">1.02</y>
            <z units="&#8491;">1.02</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.03</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-8306::::</label>
        <annotation_details>Beak and feather disease virus-like particle containing ssDNA</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <details>Fitting, considering the icosahedral symmetries, was done using UCSF Chimera.</details>
                <target_criteria>Correlation coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
        <additional_map_list>
            <additional_map format="CCP4" size_kbytes="70305">
                <file>emd_8306_additional.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>260</col>
                    <row>260</row>
                    <sec>260</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>260</x>
                    <y>260</y>
                    <z>260</z>
                </spacing>
                <cell>
                    <a units="&#8491;">265.19998</a>
                    <b units="&#8491;">265.19998</b>
                    <c units="&#8491;">265.19998</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>-1.5292286</minimum>
                    <maximum>0.0625934</maximum>
                    <average>-0.035469167</average>
                    <std>0.116236806</std>
                </statistics>
                <pixel_spacing>
                    <x units="&#8491;">1.02</x>
                    <y units="&#8491;">1.02</y>
                    <z units="&#8491;">1.02</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <level>0.03</level>
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-8306::::</label>
                <annotation_details>The difference map produced by subtracting the crystal structure of the protein component from the cryoEM map</annotation_details>
            </additional_map>
        </additional_map_list>
    </interpretation>
</emd>