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    <admin>
        <current_status>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2015-07-31</deposition>
            <header_release>2015-09-23</header_release>
            <map_release>2016-08-03</map_release>
            <update>2017-02-08</update>
        </key_dates>
        <title>Infectious bursal disease virus polyprotein and large precursors assemble into a procapsid that is matured by its embedded protease</title>
        <authors_list>
            <author>Castrillo-Briceno M</author>
            <author>Gomez-Blanco J</author>
            <author>Monton M</author>
            <author>Rueda P</author>
            <author>Caston JR</author>
        </authors_list>
        <keywords>cryo-electron microscopy, IBDV, procapsid, viral protease, protein processing, protein self-assembly, virus assembly, virus structure</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author order="1">Castrillo-Briceno M</author>
                    <author order="2">Gomez-Blanco J</author>
                    <author order="3">Monton M</author>
                    <author order="4">Rueda P</author>
                    <author order="5">Caston JR</author>
                    <title>Infectious bursal disease virus polyprotein and large precursors assemble into a procapsid that is matured by its embedded protease</title>
                    <journal>To Be Published</journal>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>IBDV VLP</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>IBDV VLP</name>
                <oligomeric_state>60 copies arranged into 20 trimers</oligomeric_state>
                <number_unique_components>1</number_unique_components>
                <molecular_weight>
                    <theoretical units="MDa">2.8</theoretical>
                </molecular_weight>
            </sample_supramolecule>
            <virus_supramolecule supramolecule_id="1">
                <name>Infectious bursal disease virus</name>
                <sci_species_name ncbi="10995">Infectious bursal disease virus</sci_species_name>
                <sci_species_strain>Soroa</sci_species_strain>
                <natural_host database="NCBI">
                    <organism ncbi="9031">Gallus gallus</organism>
                    <synonym_organism>VERTEBRATES</synonym_organism>
                </natural_host>
                <host_system database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                    <recombinant_cell>H5</recombinant_cell>
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                <molecular_weight>
                    <theoretical units="MDa">2.8</theoretical>
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                    <triangulation>13</triangulation>
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                <virus_type>VIRUS-LIKE PARTICLE</virus_type>
                <virus_isolate>STRAIN</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>true</virus_empty>
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        </supramolecule_list>
    </sample>
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        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
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                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>6.2</ph>
                        <details>150 mM NaCl, 20 mM CaCl2</details>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>LEICA EM CPC</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI F20</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <nominal_cs units="mm">2.26</nominal_cs>
                    <nominal_magnification>50000.0</nominal_magnification>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
                    <date>2011-05-01</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                            <digitization_details>
                                <scanner>ZEISS SCAI</scanner>
                                <sampling_interval units="&#181;m">7</sampling_interval>
                            </digitization_details>
                            <bits_per_pixel>8.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <ctf_correction>
                    <details>each micrograph</details>
                </ctf_correction>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">21.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>Xmipp</name>
                        </software>
                    </software_list>
                    <number_images_used>424</number_images_used>
                </final_reconstruction>
            </singleparticle_processing>
        </structure_determination>
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            <row>211</row>
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            <a units="&#8491;">888.31</a>
            <b units="&#8491;">888.31</b>
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            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
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        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
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            <minimum>-0.02795656</minimum>
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        <contour_list>
            <contour primary="true">
                <level>0.008</level>
                <source>AUTHOR</source>
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        </contour_list>
        <annotation_details>Reconstruction of IBDV VLP</annotation_details>
        <details>::::EMDATABANK.org::::EMD-6403::::</details>
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