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    <admin>
        <current_status>
            <date>2020-08-26</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-06-26</deposition>
            <header_release>2020-08-26</header_release>
            <map_release>2020-08-26</map_release>
            <update>2020-08-26</update>
        </key_dates>
        <title>negative staining 3D reconstruction of p2 virion baseplate in activated conformation (3D class with open Tal trimer)</title>
        <authors_list>
            <author>Spinelli S</author>
            <author>Cambillau C</author>
            <author>Goulet A</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Spinelli S</author>
                    <author order="2">Tremblay D</author>
                    <author order="3">Moineau S</author>
                    <author order="4">Cambillau C</author>
                    <author order="5">Goulet A</author>
                    <title>Structural Insights into Lactococcal Siphophage p2 Baseplate Activation Mechanism.</title>
                    <journal_abbreviation>Viruses</journal_abbreviation>
                    <volume>12</volume>
                    <year>2020</year>
                    <external_references type="PUBMED">32796652</external_references>
                    <external_references type="DOI">doi:10.3390/v12080878</external_references>
                    <external_references type="ISSN">1999-4915</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-11224</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Lactococcus virus P2</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Lactococcus virus P2</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <sci_species_name ncbi="254252">Lactococcus virus P2</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="1358">Lactococcus lactis</organism>
                </natural_host>
                <virus_type>VIRION</virus_type>
                <virus_isolate>STRAIN</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>false</virus_empty>
            </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>7.5</ph>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <material>uranyl acetate</material>
                    </staining>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI SPIRIT</microscope>
                    <illumination_mode>SPOT SCAN</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>LAB6</electron_source>
                    <acceleration_voltage units="kV">120</acceleration_voltage>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>OTHER</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">25.0</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>293</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND</name>
                        </software>
                    </software_list>
                </ctf_correction>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>D3</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">35.4</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                    <number_images_used>193</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
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                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>2</number_classes>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
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                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_11224.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>256</col>
            <row>256</row>
            <sec>256</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>256</x>
            <y>256</y>
            <z>256</z>
        </spacing>
        <cell>
            <a units="Å">885.76</a>
            <b units="Å">885.76</b>
            <c units="Å">885.76</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>
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        <statistics>
            <minimum>-16.463089</minimum>
            <maximum>21.24631</maximum>
            <average>0.0000000025</average>
            <std>1</std>
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        <pixel_spacing>
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            <y units="Å">3.46</y>
            <z units="Å">3.46</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>3.1</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-11224::::</label>
        <annotation_details>negative staining 3D reconstruction of p2 virion baseplate bound to VHH5 (3D class with open Tal trimer)</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            </modelling>
        </modelling_list>
    </interpretation>
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