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    <admin>
        <current_status>
            <date>2021-04-14</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-03-12</deposition>
            <header_release>2020-07-29</header_release>
            <map_release>2020-07-29</map_release>
            <update>2021-04-14</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Wellcome Trust</funding_body>
                <code>207455/Z/17/Z</code>
                <country>United Kingdom</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Medical Research Council (MRC, United Kingdom)</funding_body>
                <code>MC_UP_1201/16</code>
                <country>United Kingdom</country>
            </grant_reference>
        </grant_support>
        <title>Pentagon bounding clathrin legs in clathrin coats assembled on a membrane</title>
        <authors_list>
            <author>Kovtun O</author>
            <author>Kane Dickson V</author>
            <author>Kelly BT</author>
            <author>Owen D</author>
            <author>Briggs JAG</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Kovtun O</author>
                    <author order="2">Dickson VK</author>
                    <author order="3">Kelly BT</author>
                    <author order="4">Owen DJ</author>
                    <author order="5">Briggs JAG</author>
                    <title>Architecture of the AP2/clathrin coat on the membranes of clathrin-coated vesicles.</title>
                    <journal_abbreviation>Sci Adv</journal_abbreviation>
                    <country>US</country>
                    <volume>6</volume>
                    <first_page>eaba8381</first_page>
                    <last_page>eaba8381</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">32743075</external_references>
                    <external_references type="DOI">doi:10.1126/sciadv.aba8381</external_references>
                    <external_references type="ISSN">2375-2548</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-10747</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>AP2 core in physiological buffer</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-10748</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-10749</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-10750</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-10751</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-10752</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-10753</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-10754</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Clathrin/AP2 coat assembled on membrane.</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Clathrin/AP2 coat assembled on membrane.</name>
                <parent>0</parent>
                <details>Clathrin/AP coat was formed on the membrane containing cargo signal peptides. The AP2 adaptor lacked hinge and appendage regions in its alpha subunit.</details>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="2">
                <name>Natural Sus scrofa component</name>
                <parent>1</parent>
                <natural_source database="NCBI">
                    <organism ncbi="9823">Sus scrofa</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="3">
                <name>Recombinant Homo sapiens component</name>
                <parent>1</parent>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="866768">Escherichia coli 'BL21-Gold(DE3)pLysS AG'</recombinant_organism>
                </recombinant_expression>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <aggregation_state>threeDArray</aggregation_state>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <concentration units="mg/mL">0.7</concentration>
                    <buffer>
                        <ph>7.2</ph>
                        <component>
                            <concentration units="mM">10.0</concentration>
                            <name>Hepes KOH</name>
                        </component>
                        <component>
                            <concentration units="mM">120.0</concentration>
                            <name>Potassium Acetate</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <name>Magnesium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">5.0</concentration>
                            <name>2-Mercaptoethanol</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>C-flat-2/2</model>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">98</chamber_humidity>
                        <chamber_temperature units="K">291</chamber_temperature>
                        <instrument>LEICA EM GP</instrument>
                        <details>The sample was supplemented with 10 nm nanogold fiducials, and 3 ul of the mixture was backside blotted for 3 seconds.. </details>
                    </vitrification>
                    <details>The sample (in vitro budding reaction) contained AP2, clathrin and 400 nm extruded liposomes</details>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_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>
                    <c2_aperture_diameter units="µm">100.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">1.5</nominal_defocus_min>
                    <calibrated_defocus_min units="µm">1.5</calibrated_defocus_min>
                    <nominal_defocus_max units="µm">6.5</nominal_defocus_max>
                    <calibrated_defocus_max units="µm">6.5</calibrated_defocus_max>
                    <nominal_magnification>81000.0</nominal_magnification>
                    <calibrated_magnification>81000.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <zemlin_tableau />
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Quantum LS</name>
                            <slit_width units="eV">20</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 QUANTUM (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">3838</width>
                                    <height units="pixel">3710</height>
                                </dimensions>
                                <frames_per_image>1-10</frames_per_image>
                            </digitization_details>
                            <number_grids_imaged>2</number_grids_imaged>
                            <average_exposure_time units="s">0.2</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">3.2</average_electron_dose_per_image>
                            <details>The images were collected in movie mode at 10 frames per second</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>
                <details>The images were low pass filtered according to the cumulative radiation dose.</details>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution res_type="BY AUTHOR" units="Å">7.7</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>TOM</name>
                        </software>
                        <software>
                            <name>AV3</name>
                        </software>
                    </software_list>
                    <number_subtomograms_used>24759</number_subtomograms_used>
                </final_reconstruction>
                <extraction>
                    <number_tomograms>58121</number_tomograms>
                    <number_images_used>198871</number_images_used>
                    <reference_model>reference-free</reference_model>
                    <method>geometrically defined initial positions</method>
                    <software_list>
                        <software>
                            <name>TOM</name>
                        </software>
                    </software_list>
                    <details>To define initial positions of subtomograms, centres and radii of coated vesicles, buds were manually marked in bin4 tomograms. These measurements were used to define spheres. Subtomogram positions were then defined on the surface of these spheres with uniform sampling. The orientations were calculated to be normal to the surfaces of the spheres with random in-plane rotation.</details>
                </extraction>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>NOVACTF</name>
                            <version>1.0</version>
                        </software>
                    </software_list>
                    <details>CTF correction in novaCTF with by multiplication</details>
                </ctf_correction>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>PEET</name>
                        </software>
                        <software>
                            <name>Dynamo</name>
                        </software>
                    </software_list>
                </final_three_d_classification>
                <final_angle_assignment>
                    <type>OTHER</type>
                    <software_list>
                        <software>
                            <name>TOM</name>
                        </software>
                        <software>
                            <name>AV3</name>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
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        <symmetry>
            <space_group>1</space_group>
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            <row>160</row>
            <sec>160</sec>
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            <b units="Å">284.8</b>
            <c units="Å">284.8</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>
            <medium>Y</medium>
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            <minimum>-2.5666678</minimum>
            <maximum>4.6766224</maximum>
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    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>1XI4</access_code>
                </initial_model>
                <initial_model>
                    <access_code>6SCT</access_code>
                </initial_model>
                <initial_model>
                    <access_code>1E42</access_code>
                    <chain>
                        <chain_id>A</chain_id>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <target_criteria>correlation coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
        <segmentation_list>
            <segmentation>
                <file>emd_10753_msk_1.map</file>
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                    <row>160</row>
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                <label>::::EMDATABANK.org::::EMD-10753::::</label>
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                    <b units="Å">284.8</b>
                    <c units="Å">284.8</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>
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                <statistics>
                    <minimum>-1.2297754</minimum>
                    <maximum>1.6203508</maximum>
                    <average>-0.00030315507</average>
                    <std>0.1754459</std>
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                    <x units="Å">1.78</x>
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                    <z units="Å">1.78</z>
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                    <contour primary="true">
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                <label>::::EMDATABANK.org::::EMD-10753::::</label>
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