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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>2015-07-21</deposition>
            <header_release>2015-09-23</header_release>
            <map_release>2015-10-21</map_release>
            <update>2015-10-21</update>
        </key_dates>
        <title>Structure of Ljungan virus: insight into picornavirus packaging</title>
        <authors_list>
            <author>Zhu L</author>
            <author>Wang XX</author>
            <author>Ren JS</author>
            <author>Porta C</author>
            <author>Wenham H</author>
            <author>Ekstrom J-O</author>
            <author>Panjwani A</author>
            <author>Knowles NJ</author>
            <author>Kotecha A</author>
            <author>Siebert A</author>
            <author>Lindberg M</author>
            <author>Fry EE</author>
            <author>Rao ZH</author>
            <author>Tuthill TJ</author>
            <author>Stuart DI</author>
        </authors_list>
        <keywords>Ljungan virus, Picornavirus, assembly, pathogen</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Zhu L</author>
                    <author order="2">Wang X</author>
                    <author order="3">Ren J</author>
                    <author order="4">Porta C</author>
                    <author order="5">Wenham H</author>
                    <author order="6">Ekstrom JO</author>
                    <author order="7">Panjwani A</author>
                    <author order="8">Knowles NJ</author>
                    <author order="9">Kotecha A</author>
                    <author order="10">Siebert CA</author>
                    <author order="11">Lindberg AM</author>
                    <author order="12">Fry EE</author>
                    <author order="13">Rao Z</author>
                    <author order="14">Tuthill TJ</author>
                    <author order="15">Stuart DI</author>
                    <title>Structure of Ljungan virus provides insight into genome packaging of this picornavirus.</title>
                    <journal>Nat Commun</journal>
                    <volume>6</volume>
                    <first_page>8316</first_page>
                    <last_page>8316</last_page>
                    <year>2015</year>
                    <external_references type="PUBMED">26446437</external_references>
                    <external_references type="DOI">doi:10.1038/ncomms9316</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>3jb4</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Ljungan virus (type: 87-012)</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Ljungan virus (type: 87-012)</name>
                <number_unique_components>1</number_unique_components>
                <molecular_weight>
                    <experimental units="MDa">6</experimental>
                    <theoretical units="MDa">6</theoretical>
                    <method>Sedimentation</method>
                </molecular_weight>
            </sample_supramolecule>
            <virus_supramolecule supramolecule_id="1">
                <name>Ljungan virus</name>
                <sci_species_name ncbi="172314">Ljungan virus</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="10095">Mus sp.</organism>
                    <synonym_organism>VERTEBRATES</synonym_organism>
                </natural_host>
                <host_system database="NCBI">
                    <recombinant_organism ncbi="9534">Chlorocebus aethiops</recombinant_organism>
                    <recombinant_cell>green monkey kidney (Vero) cells</recombinant_cell>
                </host_system>
                <molecular_weight>
                    <experimental units="MDa">6</experimental>
                    <theoretical units="MDa">6</theoretical>
                </molecular_weight>
                <virus_shell shell_id="1">
                    <diameter units="&#8491;">320</diameter>
                    <triangulation>1</triangulation>
                </virus_shell>
                <virus_type>VIRION</virus_type>
                <virus_isolate>SPECIES</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">
                    <concentration units="mg/mL">1</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <details>PBS</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <details>Grids with adsorbed viruses were floated on 1% w/v uranyl acetate for 20 seconds.</details>
                    </staining>
                    <grid>
                        <details>200 mesh gold grid with thin carbon support, glow-discharged in amylamine atmosphere</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">90</chamber_humidity>
                        <instrument>FEI VITROBOT MARK III</instrument>
                        <method>Blot for 3 seconds before plunging</method>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI POLARA 300</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>
                    <nominal_cs units="mm">2.0</nominal_cs>
                    <specimen_holder_model>GATAN HELIUM</specimen_holder_model>
                    <alignment_procedure>
                        <legacy>
                            <astigmatism>Objective lens astigmatism was corrected at 160,000 times magnification.</astigmatism>
                        </legacy>
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>FEI</name>
                        </energy_filter>
                    </specialist_optics>
                    <date>2015-02-02</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">GATAN K2 (4k x 4k)</film_or_detector_model>
                            <number_real_images>288</number_real_images>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <final_reconstruction>
                    <resolution res_type="BY AUTHOR" units="&#8491;">3.8</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                        </software>
                    </software_list>
                    <number_images_used>5558</number_images_used>
                </final_reconstruction>
                <final_two_d_classification>
                    <number_classes>20</number_classes>
                </final_two_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_6394.map.gz</file>
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            <space_group>1</space_group>
        </symmetry>
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            <row>360</row>
            <sec>360</sec>
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            <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>-0.06862158</minimum>
            <maximum>0.14611761</maximum>
            <average>0.00119345</average>
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            <y units="&#8491;">1.35</y>
            <z units="&#8491;">1.35</z>
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        <contour_list>
            <contour primary="true">
                <level>0.042</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>Reconstruction of Ljungan virus at 3.8 Angstrom resolution</annotation_details>
        <details>::::EMDATABANK.org::::EMD-6394::::</details>
    </map>
    <interpretation>
        <figure_list>
            <figure>
                <file>emd_6394.tif</file>
            </figure>
        </figure_list>
        <segmentation_list>
            <segmentation>
                <file>emd_6394_msk_1.map</file>
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                    <file>emd_6394_msk_1.map</file>
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                        <col>360</col>
                        <row>360</row>
                        <sec>360</sec>
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                        <z units="&#8491;">1.35</z>
                    </pixel_spacing>
                    <annotation_details>This mask is used to 3D-Autorefinement</annotation_details>
                    <details>::::EMDATABANK.org::::</details>
                </mask_details>
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        </segmentation_list>
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