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        <current_status>
            <date>2019-12-25</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2018-08-13</deposition>
            <header_release>2018-09-19</header_release>
            <map_release>2019-02-27</map_release>
            <update>2019-12-25</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Science Foundation (NSF, United States)</funding_body>
                <code>M CB - 1515260</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI081726</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI076331</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Analysis of bacteriophage phiX174 tomograms using the locked self-rotation function</title>
        <authors_list>
            <author>Fokine A</author>
            <author>Sun Y</author>
            <author>Khare B</author>
            <author>Rossmann MG</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Fokine A</author>
                    <author order="2">Khare B</author>
                    <author order="3">Sun Y</author>
                    <author order="4">Rossmann MG</author>
                    <title>Enhancement of tomogram interpretability using the locked self-rotation function.</title>
                    <journal_abbreviation>J. Struct. Biol.</journal_abbreviation>
                    <country>US</country>
                    <volume>205</volume>
                    <first_page>53</first_page>
                    <last_page>58</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">30742896</external_references>
                    <external_references type="DOI">doi:10.1016/j.jsb.2019.01.006</external_references>
                    <external_references type="ISSN">1095-8657</external_references>
                    <external_references type="CSD">0803</external_references>
                    <external_references type="ASTM">JSBIEM</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-9040</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Enterobacteria phage phiX174</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Enterobacteria phage phiX174</name>
                <parent>0</parent>
                <details>The virus was grown in E.coli cells.</details>
                <sci_species_name ncbi="10847">Enterobacteria phage phiX174</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_host>
                <virus_shell shell_id="1">
                    <diameter units="Å">320.0</diameter>
                    <triangulation>1</triangulation>
                </virus_shell>
                <virus_type>VIRION</virus_type>
                <virus_isolate>STRAIN</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>tomography</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <tomography_preparation preparation_id="1">
                    <buffer>
                        <ph>7.4</ph>
                        <component>
                            <concentration units="M">0.05</concentration>
                            <formula>NH4Cl4</formula>
                        </component>
                        <component>
                            <concentration units="M">0.05</concentration>
                            <formula>NaCl</formula>
                        </component>
                        <component>
                            <concentration units="M">0.1</concentration>
                            <formula>KCl</formula>
                        </component>
                        <component>
                            <concentration units="M">0.1</concentration>
                            <formula>Tris-HCl</formula>
                        </component>
                        <component>
                            <concentration units="M">0.001</concentration>
                            <formula>MgSO4</formula>
                        </component>
                        <component>
                            <concentration units="M">0.005</concentration>
                            <formula>EDTA</formula>
                        </component>
                    </buffer>
                    <grid>
                        <model>C-flat-2/2 4C</model>
                        <material>COPPER</material>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>GATAN CRYOPLUNGE 3</instrument>
                        <details></details>
                    </vitrification>
                    <details>The concentration of the virus was 10**12 pfu/ml</details>
                    <fiducial_markers_list>
                        <fiducial_marker>
                            <manufacturer>Aurion,  Wageningen, Netherland</manufacturer>
                            <diameter units="nanometer">10</diameter>
                        </fiducial_marker>
                    </fiducial_markers_list>
                    <sectioning>
                        <other_sectioning>NO SECTIONING</other_sectioning>
                    </sectioning>
                </tomography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <tomography_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>OTHER</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <c2_aperture_diameter units="µm">100.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">3.0</nominal_defocus_min>
                    <nominal_magnification>11000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>SUPER-RESOLUTION</detector_mode>
                            <average_electron_dose_per_image units="e/Å^2">1.73</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </tomography_microscopy>
            </microscopy_list>
            <tomography_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <algorithm>BACK PROJECTION</algorithm>
                    <software_list>
                        <software>
                            <name>IMOD</name>
                        </software>
                    </software_list>
                    <number_images_used>41</number_images_used>
                </final_reconstruction>
            </tomography_processing>
        </structure_determination>
    </structure_determination_list>
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        <label>::::EMDATABANK.org::::EMD-9040::::</label>
        <annotation_details>The map was calculated by averaging of ten icosahedrally-averaged maps of individual phiX174 particles.</annotation_details>
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                <annotation_details>Tomogram of one bacteriophage phiX174 particle.</annotation_details>
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                <annotation_details>Tomogram of one bacteriophage phiX174 particle.</annotation_details>
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                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>80</col>
                    <row>80</row>
                    <sec>80</sec>
                </dimensions>
                <origin>
                    <col>-40</col>
                    <row>-40</row>
                    <sec>-40</sec>
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                <spacing>
                    <x>80</x>
                    <y>80</y>
                    <z>80</z>
                </spacing>
                <cell>
                    <a units="Å">416.0</a>
                    <b units="Å">416.0</b>
                    <c units="Å">416.0</c>
                    <alpha units="deg">90.0</alpha>
                    <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>
                </axis_order>
                <statistics>
                    <minimum>-4.679771</minimum>
                    <maximum>4.3957415</maximum>
                    <average>0.5640715700</average>
                    <std>0.99999905</std>
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                <pixel_spacing>
                    <x units="Å">5.2</x>
                    <y units="Å">5.2</y>
                    <z units="Å">5.2</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-9040::::</label>
                <annotation_details>Tomogram of one bacteriophage phiX174 particle.</annotation_details>
            </additional_map>
            <additional_map format="CCP4" size_kbytes="2049">
                <file>emd_9040_additional_7.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>80</col>
                    <row>80</row>
                    <sec>80</sec>
                </dimensions>
                <origin>
                    <col>5</col>
                    <row>5</row>
                    <sec>5</sec>
                </origin>
                <spacing>
                    <x>80</x>
                    <y>80</y>
                    <z>80</z>
                </spacing>
                <cell>
                    <a units="Å">416.0</a>
                    <b units="Å">416.0</b>
                    <c units="Å">416.0</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>-4.951507</minimum>
                    <maximum>5.290208</maximum>
                    <average>0.00000000186</average>
                    <std>0.999999</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">5.2</x>
                    <y units="Å">5.2</y>
                    <z units="Å">5.2</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-9040::::</label>
                <annotation_details>Tomogram of one bacteriophage phiX174 particle.</annotation_details>
            </additional_map>
            <additional_map format="CCP4" size_kbytes="8389">
                <file>emd_9040_additional_6.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">665.6</a>
                    <b units="Å">665.6</b>
                    <c units="Å">665.6</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>-4.6649113</minimum>
                    <maximum>5.670931</maximum>
                    <average>0.0000026791</average>
                    <std>1.0000503</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">5.2</x>
                    <y units="Å">5.2</y>
                    <z units="Å">5.2</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-9040::::</label>
                <annotation_details>Tomogram of one bacteriophage phiX174 particle.</annotation_details>
            </additional_map>
        </additional_map_list>
    </interpretation>
</emd>
