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        <current_status>
            <date>2023-11-01</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
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        <key_dates>
            <deposition>2016-06-30</deposition>
            <header_release>2016-07-13</header_release>
            <map_release>2016-08-17</map_release>
            <update>2023-11-01</update>
        </key_dates>
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            <grant_reference>
                <funding_body>Canadian Institutes of Health Research</funding_body>
                <code>[MOP-82930]</code>
                <country>Canada</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Science and Engineering Research Council of Canada</funding_body>
                <code>[RGPIN288327-07]</code>
                <country>Canada</country>
            </grant_reference>
        </grant_support>
        <title>YphC and YsxC GTPases assist the maturation of the central protuberance, GTPase-associated region, and functional core of the 50S ribosomal subunit</title>
        <authors_list>
            <author>Ni X</author>
            <author>Davis JH</author>
            <author>Jain N</author>
            <author>Razi A</author>
            <author>Benlekbir S</author>
            <author>McArthur AG</author>
            <author>Rubinstein JR</author>
            <author>Britton RA</author>
            <author>Williamson JR</author>
            <author>Ortega J</author>
        </authors_list>
        <keywords>Ribosome assembly, 50S subunit, YsxC protein, RIBOSOME</keywords>
    </admin>
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        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Ni X</author>
                    <author order="2">Davis JH</author>
                    <author order="3">Jain N</author>
                    <author order="4">Razi A</author>
                    <author order="5">Benlekbir S</author>
                    <author order="6">McArthur AG</author>
                    <author order="7">Rubinstein JL</author>
                    <author order="8">Britton RA</author>
                    <author order="9">Williamson JR</author>
                    <author order="10">Ortega J</author>
                    <title>YphC and YsxC GTPases assist the maturation of the central protuberance, GTPase associated region and functional core of the 50S ribosomal subunit.</title>
                    <journal_abbreviation>Nucleic Acids Res.</journal_abbreviation>
                    <country>UK</country>
                    <volume>44</volume>
                    <first_page>8442</first_page>
                    <last_page>8455</last_page>
                    <year>2016</year>
                    <external_references type="PUBMED">27484475</external_references>
                    <external_references type="DOI">doi:10.1093/nar/gkw678</external_references>
                    <external_references type="ISSN">1362-4962</external_references>
                    <external_references type="CSD">0389</external_references>
                    <external_references type="ASTM">NARHAD</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
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                <emdb_id>EMD-8275</emdb_id>
                <relationship>
                    <other>other EM volume</other>
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            <emdb_reference>
                <emdb_id>EMD-8276</emdb_id>
                <relationship>
                    <other>other EM volume</other>
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    </crossreferences>
    <sample>
        <name>Assembly intermediate of the 50S subunit, Class I</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Assembly intermediate of the 50S subunit, Class I</name>
                <parent>0</parent>
                <details>Obtained upon depletion of YsxC protein</details>
                <natural_source database="NCBI">
                    <organism ncbi="1423">Bacillus subtilis</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
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                    <buffer>
                        <ph>7.5</ph>
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                        <model>C-flats CFT-222C</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>CONTINUOUS</film_topology>
                            <film_thickness>10.0</film_thickness>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">15</time>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>FEI VITROBOT MARK III</instrument>
                        <details>Plunged into liquid ethane (FEI VITROBOT MARK III). </details>
                    </vitrification>
                </single_particle_preparation>
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            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI F20</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>
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                        <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_exposure_time units="s">0.5</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">1.0</average_electron_dose_per_image>
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            </microscopy_list>
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                <image_recording_id>1</image_recording_id>
                <startup_model type_of_model="PDB ENTRY"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">5.8</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>36033</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                </final_angle_assignment>
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        </structure_determination>
    </structure_determination_list>
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        <symmetry>
            <space_group>1</space_group>
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            <col>240</col>
            <row>240</row>
            <sec>240</sec>
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            <x>240</x>
            <y>240</y>
            <z>240</z>
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            <a units="Å">348.0</a>
            <b units="Å">348.0</b>
            <c units="Å">348.0</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
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            <fast>X</fast>
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        <label>::::EMDATABANK.org::::EMD-8274::::</label>
        <annotation_details>50S ribosomal subunit assembly intermediate obtained upon depletion of YsxC protein in Bacillus subtilis</annotation_details>
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