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            <date>2026-09-23</date>
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        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
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        <key_dates>
            <deposition>2026-09-14</deposition>
            <header_release>2026-09-23</header_release>
            <map_release>2026-09-23</map_release>
            <update>2026-09-23</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Swiss National Science Foundation</funding_body>
                <country>Switzerland</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Medical Research Council (MRC, United Kingdom)</funding_body>
                <country>United Kingdom</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Wellcome Trust</funding_body>
                <country>United Kingdom</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Max Planck Society</funding_body>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Other private</funding_body>
                <country>Sweden</country>
            </grant_reference>
            <grant_reference>
                <funding_body>European Molecular Biology Organization (EMBO)</funding_body>
                <country>European Union</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-electron tomogram of MEF cell containing polyglucosan</title>
        <authors_list>
            <author>Yip MCJ</author>
            <author>Naydenova K</author>
            <author>Otten EG</author>
            <author>Heatley A</author>
            <author>Moe A</author>
            <author>Anton L</author>
            <author>de los Reyes-Ramirez L</author>
            <author>Jolin HE</author>
            <author>Langevin F</author>
            <author>Wiacek M</author>
            <author>Franco C</author>
            <author>Bertolotti A</author>
            <author>Kukulski W</author>
            <author>McKenzie ANJ</author>
            <author>Randow F</author>
        </authors_list>
        <keywords>Glycogenin, Polyglucosan, Glycogen, SUGAR BINDING PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-2505-9987" order="1">Yip MCJ</author>
                    <author order="2">Naydenova K</author>
                    <author order="3">Otten EG</author>
                    <author ORCID="0009-0004-0789-2467" order="4">Heatley A</author>
                    <author order="5">Moe A</author>
                    <author ORCID="0000-0003-0008-2141" order="6">Anton L</author>
                    <author ORCID="0000-0001-7880-1199" order="7">de Los Reyes-Ramirez L</author>
                    <author order="8">Jolin HE</author>
                    <author order="9">Langevin F</author>
                    <author order="10">Wiacek M</author>
                    <author order="11">Franco C</author>
                    <author ORCID="0000-0002-9185-0558" order="12">Bertolotti A</author>
                    <author ORCID="0000-0002-2778-3936" order="13">Kukulski W</author>
                    <author ORCID="0000-0001-9757-2512" order="14">McKenzie ANJ</author>
                    <author ORCID="0000-0003-0694-5315" order="15">Randow F</author>
                    <title>Quality control of glycogen through direct ubiquitylation by RNF213.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <year>2026</year>
                    <external_references type="PUBMED">42744304</external_references>
                    <external_references type="DOI">doi:10.1038/s41586-026-11139-6</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>
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                <db_name>EMDB</db_name>
                <accession_id>EMD-59854</accession_id>
                <content_type>associated EM volume</content_type>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Mouse embryonic fibroblast (MEF) cells expressing polyglucosan and doxycycline-inducible GFP-RNF213</name>
        <supramolecule_list>
            <cell_supramolecule supramolecule_id="1">
                <name>Mouse embryonic fibroblast (MEF) cells expressing polyglucosan and doxycycline-inducible GFP-RNF213</name>
                <parent>0</parent>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
            </cell_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
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            <method>tomography</method>
            <aggregation_state>cell</aggregation_state>
            <specimen_preparation_list>
                <tomography_preparation preparation_id="1">
                    <buffer>
                        <ph>7.4</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                    <sectioning>
                        <focused_ion_beam>
                            <instrument>OTHER</instrument>
                            <ion>OTHER</ion>
                            <voltage>30</voltage>
                            <current>1</current>
                            <duration>2000</duration>
                            <temperature units="K">80</temperature>
                            <initial_thickness>1000</initial_thickness>
                            <final_thickness>300</final_thickness>
                            <details>The value given for _em_focused_ion_beam.instrument is TFS Aquilos2. This is not in a list of allowed values {'OTHER', 'DB235'} so OTHER is written into the XML file.</details>
                        </focused_ion_beam>
                    </sectioning>
                </tomography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <tomography_microscopy microscopy_id="1">
                    <microscope>TFS 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">5.0</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>TFS FALCON 4i (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">2.0</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>
                    <software_list>
                        <software>
                            <name>IMOD</name>
                        </software>
                    </software_list>
                    <number_images_used>36</number_images_used>
                </final_reconstruction>
                <ctf_correction>
                    <type>NONE</type>
                </ctf_correction>
            </tomography_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_59854.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS SIGNED BYTE</data_type>
        <dimensions>
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            <row>1024</row>
            <sec>400</sec>
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        <spacing>
            <x>1024</x>
            <y>1024</y>
            <z>400</z>
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        <cell>
            <a units="Å">15575.04</a>
            <b units="Å">15575.04</b>
            <c units="Å">6084.0</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>
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            <minimum>-128.0</minimum>
            <maximum>127.0</maximum>
            <average>0.92868423</average>
            <std>20.28312</std>
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        <pixel_spacing>
            <x units="Å">15.21</x>
            <y units="Å">15.21</y>
            <z units="Å">15.21</z>
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                <source>AUTHOR</source>
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        <label>::::EMDATABANK.org::::EMD-59854::::</label>
        <annotation_details>Cryo-electron tomogram of MEF cell containing polyglucosan, binned</annotation_details>
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