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    <admin>
        <current_status>
            <date>2026-03-18</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <revision_history>
            <revision version="1.0" date="2025-12-03">
                <change_list>
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                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
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                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
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                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
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                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
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                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </primary_map>
                </change_list>
            </revision>
        </revision_history>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2025-09-26</deposition>
            <header_release>2025-12-03</header_release>
            <map_release>2025-12-03</map_release>
            <update>2026-03-18</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>448415290</code>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Michael J. Fox Foundation</funding_body>
                <code>MJFF-010458</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Aligning Science Across Parkinsons (ASAP)</funding_body>
                <code>ASAP-000282</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>EXC 2067</code>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>Subtomogram average of the mtHsp60 singlering complex from HeLa</title>
        <authors_list>
            <author>Ehses K</author>
            <author>Fernandez-Busnadiego R</author>
        </authors_list>
        <keywords>Mitochondria, human, HeLa, folding, Chaperonin, CHAPERONE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-8595-5994" order="1">Ehses K</author>
                    <author ORCID="0000-0003-2081-2607" order="2">Lopez-Alonso JP</author>
                    <author ORCID="0000-0002-7325-3303" order="3">Antico O</author>
                    <author ORCID="0009-0007-4850-3773" order="4">Lang Y</author>
                    <author ORCID="0000-0003-2693-9561" order="5">Rudack T</author>
                    <author ORCID="0000-0002-2288-2986" order="6">Azem A</author>
                    <author ORCID="0000-0001-9733-2404" order="7">Muqit MMK</author>
                    <author ORCID="0000-0003-4082-4349" order="8">Ubarretxena-Belandia I</author>
                    <author ORCID="0000-0002-8366-7622" order="9">Fernandez-Busnadiego R</author>
                    <title>Structural remodeling of the mitochondrial protein biogenesis machinery under proteostatic stress.</title>
                    <journal_abbreviation>Sci Adv</journal_abbreviation>
                    <country>US</country>
                    <volume>12</volume>
                    <first_page>eaed3579</first_page>
                    <last_page>eaed3579</last_page>
                    <year>2026</year>
                    <external_references type="PUBMED">41779846</external_references>
                    <external_references type="DOI">doi:10.1126/sciadv.aed3579</external_references>
                    <external_references type="ISSN">2375-2548</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <other_db_list>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-55205</accession_id>
                <content_type>associated EM volume</content_type>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>HeLa</name>
        <supramolecule_list>
            <cell_supramolecule supramolecule_id="1">
                <name>HeLa</name>
                <parent>0</parent>
                <details>PINK1-GFP Knockin</details>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </cell_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>7.0</ph>
                        <details>Addition of 10% Glycerol immediately before plunging into the medium for improved vitrification.</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <material>GOLD</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>GOLD</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>PLASMA CLEANING</type>
                            <time units="s">30</time>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE-PROPANE</cryogen_name>
                        <chamber_temperature units="K">310</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>Backside blotting. </details>
                    </vitrification>
                    <details>Cells directly grown on EM grids</details>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_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_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">3.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">5.0</nominal_defocus_max>
                    <nominal_magnification>53000.0</nominal_magnification>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI FALCON IV (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">4.0</average_electron_dose_per_image>
                            <details>For subtomogram averaging, only the first 20 frames were used. The total dose per tilt-series equals 150e/A2.</details>
                        </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>C7</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">13.67</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>Warp</name>
                            <processing_details>Reconstruction by M</processing_details>
                        </software>
                    </software_list>
                    <number_subtomograms_used>18144</number_subtomograms_used>
                </final_reconstruction>
                <extraction>
                    <number_tomograms>242</number_tomograms>
                    <number_images_used>121000</number_images_used>
                    <software_list>
                        <software>
                            <name>Dynamo</name>
                            <processing_details>For template matching</processing_details>
                        </software>
                        <software>
                            <name>MATLAB</name>
                            <processing_details>For extraction and parsing</processing_details>
                        </software>
                    </software_list>
                    <details>Initial extract carried out with Dynamo template-matching. Then, another round of extraction was performed using Deepfinder.</details>
                </extraction>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>Warp</name>
                            <version>1.0.9</version>
                        </software>
                    </software_list>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0</version>
                            <processing_details>Final 3D refinement before M</processing_details>
                        </software>
                        <software>
                            <name>Warp</name>
                            <processing_details>Pose optimization in M</processing_details>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_55205.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
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            <y>130</y>
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            <b units="Å">300.612</b>
            <c units="Å">300.612</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>-0.0014172997</minimum>
            <maximum>0.0040100953</maximum>
            <average>-0.0000033517433</average>
            <std>0.0003359031</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">2.3124</x>
            <y units="Å">2.3124</y>
            <z units="Å">2.3124</z>
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        <contour_list>
            <contour primary="true">
                <level>0.000854</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-55205::::</label>
        <annotation_details>Combined FSC-filtered map</annotation_details>
    </map>
    <interpretation>
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                <file>emd_55205_half_map_1.map.gz</file>
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                    <space_group>1</space_group>
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                    <b units="Å">300.612</b>
                    <c units="Å">300.612</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>-0.0033971402</minimum>
                    <maximum>0.0050168405</maximum>
                    <average>-0.000004098125</average>
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                    <y units="Å">2.3124</y>
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                        <source>AUTHOR</source>
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                <label>::::EMDATABANK.org::::EMD-55205::::</label>
                <annotation_details>Unfiltered Halfset 1 map</annotation_details>
            </half_map>
            <half_map format="CCP4" size_kbytes="8789">
                <file>emd_55205_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
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                    <row>130</row>
                    <sec>130</sec>
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                <cell>
                    <a units="Å">300.612</a>
                    <b units="Å">300.612</b>
                    <c units="Å">300.612</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>-0.0047802003</minimum>
                    <maximum>0.005008124</maximum>
                    <average>-0.000002605362</average>
                    <std>0.00041682538</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">2.3124</x>
                    <y units="Å">2.3124</y>
                    <z units="Å">2.3124</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-55205::::</label>
                <annotation_details>Unfiltered Halfset 2 map</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
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