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    <admin>
        <current_status>
            <date>2023-12-13</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-11-25</deposition>
            <header_release>2022-05-04</header_release>
            <map_release>2022-05-04</map_release>
            <update>2023-12-13</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China (NSFC)</funding_body>
                <code>11774012</code>
                <country>China</country>
            </grant_reference>
        </grant_support>
        <title>Structure of USP14-bound human 26S proteasome in state EA2.1_UBL with the local RPN1 density improved</title>
        <authors_list>
            <author ORCID="0000-0002-5352-409X">Zhang S</author>
            <author ORCID="0000-0001-5147-0975">Zou S</author>
            <author ORCID="0000-0002-6388-4654">Yin D</author>
            <author ORCID="0000-0002-0537-6424">Wu Z</author>
            <author ORCID="0000-0001-9302-2257">Mao Y</author>
        </authors_list>
        <keywords>Proteasome, AAA-ATPase, Deubiquitinase, USP14, HYDROLASE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-5352-409X" order="1">Zhang S</author>
                    <author order="2">Zou S</author>
                    <author order="3">Yin D</author>
                    <author order="4">Zhao L</author>
                    <author ORCID="0000-0003-2076-5863" order="5">Finley D</author>
                    <author ORCID="0000-0002-0537-6424" order="6">Wu Z</author>
                    <author ORCID="0000-0001-9302-2257" order="7">Mao Y</author>
                    <title>USP14-regulated allostery of the human proteasome by time-resolved cryo-EM.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <volume>605</volume>
                    <first_page>567</first_page>
                    <last_page>574</last_page>
                    <year>2022</year>
                    <external_references type="PUBMED">35477760</external_references>
                    <external_references type="DOI">doi:10.1038/s41586-022-04671-8</external_references>
                    <external_references type="ISSN">1476-4687</external_references>
                    <external_references type="CSD">0006</external_references>
                    <external_references type="ASTM">NATUAS</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-32274</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>26S proteasome</name>
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            <complex_supramolecule supramolecule_id="1">
                <name>26S proteasome</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
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                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
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                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>8</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>9</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>10</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>11</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>12</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>13</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>14</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>15</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>16</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>17</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>18</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>19</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>20</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>21</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>22</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>23</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>24</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>25</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>26</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>27</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>28</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>29</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>30</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>31</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>32</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>33</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">2.5</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
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            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
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                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>7.0</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_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_defocus_min units="µm">0.4</nominal_defocus_min>
                    <nominal_defocus_max units="µm">5.0</nominal_defocus_max>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">50.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
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            </microscopy_list>
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                <image_recording_id>1</image_recording_id>
                <startup_model type_of_model="EMDB MAP">
                    <emdb_id>EMD-9216</emdb_id>
                </startup_model>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">3.3</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>61930</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
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        </structure_determination>
    </structure_determination_list>
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        <dimensions>
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            <row>640</row>
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        <spacing>
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            <y>640</y>
            <z>640</z>
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        <cell>
            <a units="Å">438.4</a>
            <b units="Å">438.4</b>
            <c units="Å">438.4</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>
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        <statistics>
            <minimum>-0.010673155</minimum>
            <maximum>0.10337402</maximum>
            <average>0.0015829698</average>
            <std>0.005344992</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.685</x>
            <y units="Å">0.685</y>
            <z units="Å">0.685</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.028</level>
                <source>AUTHOR</source>
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        <label>::::EMDATABANK.org::::EMD-32287::::</label>
        <annotation_details>Map of the human 26S proteasome in state EA2.1_UBL, with the RP/CP low-pass filtered to 3.8/2.8 angstrom and sharpened by a B-factor of -60/0, rescaled to the pixel size of 0.685 angstrom</annotation_details>
    </map>
    <interpretation>
        <additional_map_list>
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                <dimensions>
                    <col>320</col>
                    <row>320</row>
                    <sec>320</sec>
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                    <row>0</row>
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                <spacing>
                    <x>320</x>
                    <y>320</y>
                    <z>320</z>
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                <cell>
                    <a units="Å">438.4</a>
                    <b units="Å">438.4</b>
                    <c units="Å">438.4</c>
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                    <beta units="deg">90.0</beta>
                    <gamma units="deg">90.0</gamma>
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                <axis_order>
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                    <medium>Y</medium>
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                <statistics>
                    <minimum>-0.006815346</minimum>
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                    <average>0.001778409</average>
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                <pixel_spacing>
                    <x units="Å">1.37</x>
                    <y units="Å">1.37</y>
                    <z units="Å">1.37</z>
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                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-32287::::</label>
                <annotation_details>Unfiltered, unsharpened map of the human 26S proteasome in state EA2.1_UBL</annotation_details>
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