<?xml version='1.0' encoding='utf-8'?>
<emd emdb_id="EMD-23561" version="3.0.2.4" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_2_4/emdb.xsd">
    <admin>
        <current_status>
            <date>2021-04-14</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-03-02</deposition>
            <header_release>2021-04-07</header_release>
            <map_release>2021-04-07</map_release>
            <update>2021-04-14</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of Dental and Craniofacial Research (NIH/NIDCR)</funding_body>
                <code>DE028583</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of Dental and Craniofacial Research (NIH/NIDCR)</funding_body>
                <code>DE025567</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI094386</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/Office of the Director</funding_body>
                <code>1S10OD018111</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>1U24GM116792</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>R01AI103182</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>R33AI119721</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI007323</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Science Foundation (NSF, United States)</funding_body>
                <code>DBI-1338135</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Science Foundation (NSF, United States)</funding_body>
                <code>DMR-1548924</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>CryoEM structure of T. vaginalis virus 2 capsid</title>
        <authors_list>
            <author>Zhou ZH</author>
            <author>Stevens AW</author>
            <author>Cui YX</author>
            <author>Muratore KA</author>
            <author>Johnson PJ</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Stevens A</author>
                    <author order="2">Muratore K</author>
                    <author order="3">Cui Y</author>
                    <author order="4">Johnson PJ</author>
                    <author order="5">Zhou ZH</author>
                    <title>Atomic Structure of the Trichomonas vaginalis Double-Stranded RNA Virus 2.</title>
                    <journal_abbreviation>Mbio</journal_abbreviation>
                    <country>US</country>
                    <volume>12</volume>
                    <year>2021</year>
                    <external_references type="PUBMED">33785622</external_references>
                    <external_references type="DOI">doi:10.1128/mBio.02924-20</external_references>
                    <external_references type="ISSN">2150-7511</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-23560</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>EMD-23560 contains the C5 sub-particle of this map</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-23561</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Trichomonas vaginalis virus 2</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Trichomonas vaginalis virus 2</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>Virus particles isolated from lysed trichomonas vaginalis</details>
                <sci_species_name ncbi="674954">Trichomonas vaginalis virus 2</sci_species_name>
                <sci_species_strain>2</sci_species_strain>
                <natural_host database="NCBI">
                    <organism ncbi="412133">Trichomonas vaginalis G3</organism>
                    <strain>G3</strain>
                </natural_host>
                <molecular_weight>
                    <theoretical units="MDa">9.40</theoretical>
                </molecular_weight>
                <virus_shell shell_id="1">
                    <name>Capsid</name>
                    <diameter units="Å">430.0</diameter>
                    <triangulation>1</triangulation>
                </virus_shell>
                <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>7.4</ph>
                        <component>
                            <concentration units="mM">150.0</concentration>
                            <formula>NaCl</formula>
                            <name>Sodium Chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">50.0</concentration>
                            <formula>Tris</formula>
                            <name>tris(hydroxymethyl)aminomethane</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <formula>MgCl2</formula>
                            <name>Magnesium Chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>DTT</formula>
                            <name>Dithiothreitol</name>
                        </component>
                        <component>
                            <concentration units="X">1.0</concentration>
                            <formula>HALT</formula>
                            <name>Halt Protease Inhibitor Cocktail (100X)</name>
                        </component>
                        <details>Sterile Solution was prepared fresh to prevent contamination.</details>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <details>The grids were manually plunged into liquid ethane.. </details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>TFS 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="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_magnification>105000.0</nominal_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>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Quantum LS</name>
                            <slit_width units="eV">20</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>SUPER-RESOLUTION</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">3838</width>
                                    <height units="pixel">3710</height>
                                </dimensions>
                            </digitization_details>
                            <number_real_images>2177</number_real_images>
                            <average_exposure_time units="s">0.2</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">17.0</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>5076</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND</name>
                            <version>4</version>
                        </software>
                    </software_list>
                </ctf_correction>
                <startup_model type_of_model="OTHER">
                    <details>a gaussian ball</details>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>I</point_group>
                    </applied_symmetry>
                    <resolution res_type="BY AUTHOR" units="Å">4.0</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.1</version>
                        </software>
                    </software_list>
                    <number_images_used>2493</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.1</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.1</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="442369">
        <file>emd_23561.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="Å">652.8</a>
            <b units="Å">652.8</b>
            <c units="Å">652.8</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>-0.010441254</minimum>
            <maximum>0.025645649</maximum>
            <average>0.0003047758</average>
            <std>0.0018689359</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.36</x>
            <y units="Å">1.36</y>
            <z units="Å">1.36</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.0113</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-23561::::</label>
        <annotation_details>Capsid of T. vaginalis virus 2</annotation_details>
    </map>
</emd>