<?xml version="1.0" encoding="UTF-8"?>
<emd emdb_id="EMD-22878" version="3.0.2.8">
    <admin>
        <current_status>
            <date>2023-01-11</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-10-20</deposition>
            <header_release>2021-06-30</header_release>
            <map_release>2021-06-30</map_release>
            <update>2023-01-11</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>R01AI087946</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>R01AI132818</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Subtomogram average structure of E. coli polysome</title>
        <authors_list>
            <author>Chang YJ</author>
            <author>Liu J</author>
            <author>Xiang YJ</author>
            <author>Jacobs-Wagner C</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Xiang Y</author>
                    <author order="2">Surovtsev IV</author>
                    <author order="3">Chang Y</author>
                    <author order="4">Govers SK</author>
                    <author order="5">Parry BR</author>
                    <author order="6">Liu J</author>
                    <author order="7">Jacobs-Wagner C</author>
                    <title>Interconnecting solvent quality, transcription, and chromosome folding in Escherichia coli.</title>
                    <journal_abbreviation>Cell</journal_abbreviation>
                    <volume>184</volume>
                    <first_page>3626</first_page>
                    <last_page>3642.e14</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">34186018</external_references>
                    <external_references type="DOI">doi:10.1016/j.cell.2021.05.037</external_references>
                    <external_references type="ISSN">1097-4172</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-22877</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>The corresponding ribosome structure</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-22878</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>ribosome</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>ribosome</name>
                <parent>0</parent>
                <natural_source database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <aggregation_state>cell</aggregation_state>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <buffer>
                        <ph>7.2</ph>
                    </buffer>
                    <grid>
                        <model>Quantifoil</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</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">2.7</nominal_cs>
                    <specialist_optics>
                        <energy_filter>
                            <slit_width units="eV">20</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <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>COUNTING</detector_mode>
                            <average_electron_dose_per_image units="e/Å^2">100.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </subtomogram_averaging_microscopy>
            </microscopy_list>
            <subtomogram_averaging_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">27.0</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_subtomograms_used>4708</number_subtomograms_used>
                </final_reconstruction>
                <extraction>
                    <number_tomograms>4</number_tomograms>
                    <number_images_used>4708</number_images_used>
                </extraction>
                <final_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                </final_angle_assignment>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="4001">
        <file>emd_22878.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>100</col>
            <row>100</row>
            <sec>100</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>100</x>
            <y>100</y>
            <z>100</z>
        </spacing>
        <cell>
            <a units="Å">1091.0</a>
            <b units="Å">1091.0</b>
            <c units="Å">1091.0</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>-0.36193565</minimum>
            <maximum>0.49629205</maximum>
            <average>9.29874e-07</average>
            <std>0.034971006</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">10.91</x>
            <y units="Å">10.91</y>
            <z units="Å">10.91</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.12</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-22878::::</label>
        <annotation_details>E. coli polysome</annotation_details>
    </map>
</emd>
