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            <date>2026-01-28</date>
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        <sites>
            <deposition>PDBe</deposition>
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        <key_dates>
            <deposition>2025-03-09</deposition>
            <header_release>2025-12-17</header_release>
            <map_release>2025-12-17</map_release>
            <update>2026-01-28</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Medical Research Council (MRC, United Kingdom)</funding_body>
                <code>MR/V009354/1</code>
                <country>United Kingdom</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM map of apo-XPF-ERCC1-SLX4(330-555)-SLX4IP from a DNA-containing sample.</title>
        <authors_list>
            <author>Feng J</author>
            <author>Matthews-Palmer T</author>
            <author>Greber BJ</author>
        </authors_list>
        <keywords>DNA repair, endonuclease, multiprotein complex, HYDROLASE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0009-0001-5861-2742" order="1">Feng J</author>
                    <author ORCID="0000-0003-2048-421X" order="2">Martin PR</author>
                    <author order="3">Kowalski S</author>
                    <author ORCID="0009-0008-9957-3066" order="4">Lecot M</author>
                    <author ORCID="0000-0002-4249-7313" order="5">Cronin NB</author>
                    <author ORCID="0000-0003-1119-0033" order="6">Matthews-Palmer T</author>
                    <author ORCID="0000-0002-8518-6304" order="7">Niedzwiedz W</author>
                    <author ORCID="0000-0001-9379-7159" order="8">Greber BJ</author>
                    <title>Molecular basis of XPF-ERCC1 targeting to SLX4-dependent DNA repair pathways.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>17</volume>
                    <first_page>522</first_page>
                    <last_page>522</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">41402316</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-025-67216-3</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
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                <db_name>EMDB</db_name>
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    <sample>
        <name>XPF-ERCC1-SLX4(330-555)-SLX4IP complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>XPF-ERCC1-SLX4(330-555)-SLX4IP complex</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.21</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
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        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
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                <single_particle_preparation preparation_id="1">
                    <concentration units="mg/mL">0.2</concentration>
                    <buffer>
                        <ph>7.9</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <name>HEPES-KOH</name>
                        </component>
                        <component>
                            <concentration units="mM">200.0</concentration>
                            <formula>KCl</formula>
                            <name>Potassium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <formula>MnCl2</formula>
                            <name>Manganese chloride</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>UltrAuFoil R1.2/1.3</model>
                        <material>GOLD</material>
                        <mesh>300</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">50</time>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                    <details>The sample contained a two-fold excess of DNA fork substrate over protein complex.</details>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>TFS GLACIOS</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>
                    <c2_aperture_diameter units="µm">20.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.4</nominal_defocus_min>
                    <nominal_defocus_max units="µm">1.7</nominal_defocus_max>
                    <nominal_magnification>165000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
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                    <specialist_optics>
                        <energy_filter>
                            <name>TFS Selectris</name>
                            <slit_width units="eV">10</slit_width>
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                    <details>Fringe-free imaging used.</details>
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                        <image_recording image_recording_id="1">
                            <film_or_detector_model>TFS FALCON 4i (4k x 4k)</film_or_detector_model>
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                            <average_electron_dose_per_image units="e/Å^2">60.0</average_electron_dose_per_image>
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                <image_recording_id>1</image_recording_id>
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                            <name>cryoSPARC</name>
                            <version>4.4.1</version>
                        </software>
                        <software>
                            <name>RELION</name>
                            <version>5.0-beta</version>
                        </software>
                    </software_list>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
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                <startup_model type_of_model="EMDB MAP">
                    <emdb_id>EMD-10337</emdb_id>
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                    <resolution units="Å" res_type="BY AUTHOR">3.8</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
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                        <software>
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                            <version>5.0-beta</version>
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                    <access_code>9QEE</access_code>
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                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
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