<emd emdb_id="EMD-1306" version="3.0.1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_1_1/emdb_relaxed.xsd">
    <admin>
        <current_status>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2006-11-25</deposition>
            <header_release>2006-12-06</header_release>
            <map_release>2007-12-06</map_release>
            <update>2012-10-24</update>
        </key_dates>
        <title>Electron cryotomography reveals the portal in the herpesvirus capsid.</title>
        <authors_list>
            <author>Chang JT</author>
            <author>Schmid MF</author>
            <author>Rixon FJ</author>
            <author>Chiu W</author>
        </authors_list>
        <keywords />
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Chang JT</author>
                    <author order="2">Schmid MF</author>
                    <author order="3">Rixon FJ</author>
                    <author order="4">Chiu W</author>
                    <title>Electron cryotomography reveals the portal in the herpesvirus capsid.</title>
                    <journal>J.VIROL.</journal>
                    <volume>81</volume>
                    <first_page>2065</first_page>
                    <last_page>2068</last_page>
                    <year>2007</year>
                    <external_references type="PUBMED">17151101</external_references>
                    <external_references type="DOI">doi:10.1128/JVI.02053-06</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Herpes Simplex Virus 1</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Herpes Simplex Virus 1</name>
                <number_unique_components>1</number_unique_components>
            </sample_supramolecule>
            <virus_supramolecule supramolecule_id="1">
                <name synonym="Herpes Simplex">Human herpesvirus 1</name>
                <sci_species_name ncbi="10298">Human herpesvirus 1</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                    <synonym_organism>INVERTEBRATES</synonym_organism>
                </natural_host>
                <host_system database="NCBI" />
                <virus_shell shell_id="1">
                    <name>Capsid</name>
                    <diameter units="&#8491;">1250</diameter>
                    <triangulation>16</triangulation>
                </virus_shell>
                <virus_type>VIRION</virus_type>
                <virus_isolate>SPECIES</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>true</virus_empty>
                <syn_species_name>Herpes Simplex</syn_species_name>
            </virus_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <buffer>
                        <ph>7.2</ph>
                        <details>170mM NaCl, 3.4mM KCl, 10mM Na2HPO4, 1.8mM KH2PO4,
          6.8mM       CaCl2, 4.9mM MgCl2</details>
                    </buffer>
                    <grid>
                        <details>200 mesh copper</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">293</chamber_temperature>
                        <instrument>OTHER</instrument>
                        <details>Vitrification instrument: Vitrobot</details>
                    </vitrification>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_microscopy microscopy_id="1">
                    <microscope>JEOL 2010F</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</nominal_cs>
                    <nominal_defocus_min units="&#181;m">3.0</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">3.0</nominal_defocus_max>
                    <nominal_magnification>20000.0</nominal_magnification>
                    <calibrated_magnification>27680.0</calibrated_magnification>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
                    <temperature>
                        <temperature_min units="K">93</temperature_min>
                        <temperature_max units="K">93</temperature_max>
                        <temperature_average units="K">93</temperature_average>
                    </temperature>
                    <details>Tilted from -70 to +70 in 2 degree increments using Mr T
        software (unpublished).</details>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">GENERIC GATAN</film_or_detector_model>
                            <average_electron_dose_per_image units="e/&#8491;^2">50</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                    <specimen_holder>Side entry liquid nitrogen cooled</specimen_holder>
                    <tilt_series>
                        <axis1>
                            <min_angle units="deg">70</min_angle>
                            <max_angle units="deg">70</max_angle>
                        </axis1>
                    </tilt_series>
                </subtomogram_averaging_microscopy>
            </microscopy_list>
            <subtomogram_averaging_processing image_processing_id="1">
                <details>Averaged 33 particles extracted from the reconstruction. Average number of tilts used in the 3D reconstructions: 71. Average tomographic tilt angle increment: 2.</details>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">57.0</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>IMOD</name>
                        </software>
                    </software_list>
                    <details>Icosahedrally averaged</details>
                </final_reconstruction>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="93313">
        <file>emd_1306.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>288</col>
            <row>288</row>
            <sec>288</sec>
        </dimensions>
        <origin>
            <col>-144</col>
            <row>-144</row>
            <sec>-144</sec>
        </origin>
        <spacing>
            <x>288</x>
            <y>288</y>
            <z>288</z>
        </spacing>
        <cell>
            <a units="&#8491;">1563.84</a>
            <b units="&#8491;">1563.84</b>
            <c units="&#8491;">1563.84</c>
            <alpha units="deg">90</alpha>
            <beta units="deg">90</beta>
            <gamma units="deg">90</gamma>
        </cell>
        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-0.117449</minimum>
            <maximum>0.204111</maximum>
            <average>-0.0153244</average>
            <std>0.047453</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">5.43</x>
            <y units="&#8491;">5.43</y>
            <z units="&#8491;">5.43</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.123</level>
            </contour>
        </contour_list>
        <annotation_details>This is the icosahedrally-averaged map from 33 particles.</annotation_details>
        <details>::::EMDATABANK.org::::EMD-1306::::</details>
    </map>
</emd>