<emd emdb_id="EMD-5452" 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>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2012-07-27</deposition>
            <header_release>2012-10-17</header_release>
            <map_release>2012-10-17</map_release>
            <update>2012-10-24</update>
        </key_dates>
        <title>A Tail-like Assembly at the Portal Vertex in Intact Herpes Simplex Type-1 Virions</title>
        <authors_list>
            <author>Schmid MF</author>
            <author>Hecksel CW</author>
            <author>Rochat RH</author>
            <author>Bhella D</author>
            <author>Chiu W</author>
            <author>Rixon FJ</author>
        </authors_list>
        <keywords>HSV-1, cryo-ET, cryo-EM, Electron cryo-microscopy, Electron cryo-tomography, PVAT, MSA, Melon Ball, Single Particle Tomography, Sub-tomogram Averaging</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Schmid MF</author>
                    <author order="2">Hecksel CW</author>
                    <author order="3">Rochat RH</author>
                    <author order="4">Bhella D</author>
                    <author order="5">Chiu W</author>
                    <author order="6">Rixon FJ</author>
                    <title>A tail-like assembly at the portal vertex in intact herpes simplex type-1 virions.</title>
                    <journal>PLOS PATHOG.</journal>
                    <volume>8</volume>
                    <first_page>e1002961</first_page>
                    <last_page>e1002961</last_page>
                    <year>2012</year>
                    <external_references type="PUBMED">23055933</external_references>
                    <external_references type="DOI">doi:10.1371/journal.ppat.1002961</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Herpes Simplex Virus type 1 (HSV-1) virion.</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Herpes Simplex Virus type 1 (HSV-1) virion.</name>
                <details>Frozen hydrated HSV-1 Virions</details>
                <oligomeric_state>1</oligomeric_state>
                <number_unique_components>1</number_unique_components>
                <molecular_weight>
                    <theoretical units="MDa">200</theoretical>
                </molecular_weight>
            </sample_supramolecule>
            <virus_supramolecule supramolecule_id="1">
                <name synonym="Herpes Simplex Virus type 1">Human herpesvirus 1</name>
                <details>Frozen hydrated virions</details>
                <sci_species_name ncbi="10298">Human herpesvirus 1</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                    <synonym_organism>VERTEBRATES</synonym_organism>
                </natural_host>
                <host_system database="NCBI" />
                <molecular_weight>
                    <theoretical units="MDa">200</theoretical>
                </molecular_weight>
                <virus_shell shell_id="1">
                    <diameter units="&#8491;">1250</diameter>
                    <triangulation>16</triangulation>
                </virus_shell>
                <virus_type>VIRION</virus_type>
                <virus_isolate>STRAIN</virus_isolate>
                <virus_enveloped>true</virus_enveloped>
                <virus_empty>false</virus_empty>
                <syn_species_name>Herpes Simplex Virus type 1</syn_species_name>
            </virus_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <aggregation_state>particle</aggregation_state>
            <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, 4.9mM MgCl2, 6.8mM CaCl2</details>
                    </buffer>
                    <grid>
                        <details>Quantifoil R 2/2 holey carbon film on a 200 mesh copper grid, glow discharged in air</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">95</chamber_humidity>
                        <chamber_temperature units="K">120</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <method>Manual blotting</method>
                    </vitrification>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_microscopy microscopy_id="1">
                    <microscope>JEOL 2200FS</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">4.0</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">4.0</nominal_defocus_max>
                    <nominal_magnification>20000.0</nominal_magnification>
                    <calibrated_magnification>28195.0</calibrated_magnification>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
                    <temperature>
                        <temperature_average units="K">100</temperature_average>
                    </temperature>
                    <alignment_procedure>
                        <legacy>
                            <astigmatism>Objective lens astigmatism was corrected at 100,000 times magnification</astigmatism>
                        </legacy>
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>Omega</name>
                            <lower_energy_threshold units="eV">25.0</lower_energy_threshold>
                            <upper_energy_threshold units="eV">30.0</upper_energy_threshold>
                        </energy_filter>
                    </specialist_optics>
                    <date>2008-05-23</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="FILM">GATAN ULTRASCAN 4000 (4k x 4k)</film_or_detector_model>
                            <digitization_details>
                                <scanner>OTHER</scanner>
                                <sampling_interval units="&#181;m">15</sampling_interval>
                            </digitization_details>
                            <number_real_images>11</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">88</average_electron_dose_per_image>
                            <bits_per_pixel>16.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                    <specimen_holder>Gatan 914</specimen_holder>
                    <tilt_series>
                        <axis1>
                            <min_angle units="deg">-60</min_angle>
                            <max_angle units="deg">60</max_angle>
                        </axis1>
                    </tilt_series>
                </subtomogram_averaging_microscopy>
            </microscopy_list>
            <subtomogram_averaging_processing image_processing_id="1">
                <details>Multivariate Statistical Analysis (MSA) was used to classify a unique vertex in the capsid shell for alignment and averaging. Further details provided in manuscript. Average number of projections used in the 3D reconstructions: 214.</details>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">60.0</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>IMOD, tomohunter</name>
                        </software>
                    </software_list>
                    <details>Final map is the average of 214 subvolumes</details>
                </final_reconstruction>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="167482">
        <file>emd_5452.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>350</col>
            <row>350</row>
            <sec>350</sec>
        </dimensions>
        <origin>
            <col>-175</col>
            <row>-175</row>
            <sec>-175</sec>
        </origin>
        <spacing>
            <x>350</x>
            <y>350</y>
            <z>350</z>
        </spacing>
        <cell>
            <a units="&#8491;">3780.0</a>
            <b units="&#8491;">3780.0</b>
            <c units="&#8491;">3780.0</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>-7.47709465</minimum>
            <maximum>11.43591309</maximum>
            <average>-0.00842042</average>
            <std>0.98621404</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">10.8</x>
            <y units="&#8491;">10.8</y>
            <z units="&#8491;">10.8</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>4.56</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>Reconstruction of Herpes Simplex Virus type 1 (HSV-1) using Multivariate Statistical Analysis</annotation_details>
        <details>::::EMDATABANK.org::::EMD-5452::::</details>
    </map>
</emd>