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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>2012-07-22</deposition>
            <header_release>2013-10-02</header_release>
            <map_release>2013-10-02</map_release>
            <update>2013-10-02</update>
        </key_dates>
        <title>Dynamics in Cryo EM Reconstructions Visualized with Maximum-Likelihood Derived Variance Maps</title>
        <authors_list>
            <author>Wang Q</author>
            <author>Matsui T</author>
            <author>Domitrovic T</author>
            <author>Zheng Y</author>
            <author>Doerschuk PC</author>
            <author>Johnson JE</author>
        </authors_list>
        <keywords>time-resolved, single particle reconstruction, virus maturation, protein folding, quasi-equivalence, cryo electron microscopy, Nudaurelia Capensis Omega Virus, maximum likelihood estimation, expectation maximization algorithm, heterogeneous particles, variance map</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Wang Q</author>
                    <author order="2">Matsui T</author>
                    <author order="3">Domitrovic T</author>
                    <author order="4">Zheng Y</author>
                    <author order="5">Doerschuk PC</author>
                    <author order="6">Johnson JE</author>
                    <title>Dynamics in cryo EM reconstructions visualized with maximum-likelihood derived variance maps.</title>
                    <journal>J.STRUCT.BIOL.</journal>
                    <volume>181</volume>
                    <first_page>195</first_page>
                    <last_page>206</last_page>
                    <year>2013</year>
                    <external_references type="PUBMED">23246781</external_references>
                    <external_references type="DOI">doi:10.1016/j.jsb.2012.11.005</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Nudaurelia capensis omega virus (NwV) capsid at 3min time point following maturation initiation</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Nudaurelia capensis omega virus (NwV) capsid at 3min time point following maturation initiation</name>
                <oligomeric_state>Icosahedral virus</oligomeric_state>
                <number_unique_components>1</number_unique_components>
            </sample_supramolecule>
            <virus_supramolecule supramolecule_id="1">
                <name synonym="NwV (N omega V)">Nudaurelia capensis omega virus</name>
                <sci_species_name ncbi="12541">Nudaurelia capensis omega virus</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="7088">Lepidoptera</organism>
                    <synonym_organism>INVERTEBRATES</synonym_organism>
                </natural_host>
                <host_system database="NCBI" />
                <virus_shell shell_id="1">
                    <diameter units="&#8491;">400</diameter>
                    <triangulation>4</triangulation>
                </virus_shell>
                <virus_type>VIRUS-LIKE PARTICLE</virus_type>
                <virus_isolate>STRAIN</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>false</virus_empty>
                <syn_species_name>NwV (N omega V)</syn_species_name>
            </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">
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>FEI VITROBOT MARK I</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">120</acceleration_voltage>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
                    <date>2008-02-13</date>
                    <image_recording_list>
                        <image_recording>
                            <details>Data were collected using the Leginon automated electron microscopy package and data processing was performed using the Appion pipeline.</details>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>The reconstruction uses a maximum likelihood algorithm that explicitly takes into account the continuous variability from one instance to another instance of the particle.</details>
                <ctf_correction>
                    <details>Each image</details>
                </ctf_correction>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">22.0</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <number_images_used>1200</number_images_used>
                </final_reconstruction>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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            <col>200</col>
            <row>200</row>
            <sec>200</sec>
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            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
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        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
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            <minimum>-0.00070442</minimum>
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            <contour primary="true">
                <level>0.0001</level>
                <source>AUTHOR</source>
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        <annotation_details>Cryo-EM reconstruction of Nudaurelia capensis omega virus (NwV) capsid at 3min time point following maturation initiation</annotation_details>
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