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        <current_status>
            <date>2024-04-24</date>
            <code>REL</code>
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        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
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        <key_dates>
            <deposition>2023-11-19</deposition>
            <header_release>2024-01-31</header_release>
            <map_release>2024-01-31</map_release>
            <update>2024-04-24</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Simons Foundation</funding_body>
                <code>SF349247</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>GM103310</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>3x3 tiled montage tomogram of a yeast lamella imaged with a square electron beam</title>
        <authors_list>
            <author ORCID="0000-0003-1224-2157">Chua EYD</author>
            <author>Alink LM</author>
            <author ORCID="0000-0003-0188-9799">Kopylov M</author>
            <author ORCID="0000-0003-3060-7738">Johnston J</author>
            <author ORCID="0000-0002-1261-7126">Einsenstein F</author>
            <author ORCID="0000-0001-6238-5653">de Marco A</author>
        </authors_list>
        <keywords>FIB-milled yeast, UNKNOWN FUNCTION</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0003-1224-2157" order="1">Chua EYD</author>
                    <author order="2">Alink LM</author>
                    <author order="3">Kopylov M</author>
                    <author order="4">Johnston JD</author>
                    <author ORCID="0000-0002-1261-7126" order="5">Eisenstein F</author>
                    <author ORCID="0000-0001-6238-5653" order="6">de Marco A</author>
                    <title>Square beams for optimal tiling in transmission electron microscopy.</title>
                    <journal_abbreviation>Nat.Methods</journal_abbreviation>
                    <country>US</country>
                    <volume>21</volume>
                    <first_page>562</first_page>
                    <last_page>565</last_page>
                    <year>2024</year>
                    <external_references type="PUBMED">38238558</external_references>
                    <external_references type="DOI">doi:10.1038/s41592-023-02161-x</external_references>
                    <external_references type="ISSN">1548-7105</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-42851</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>5x5 montage tomogram of a carbon foil grid with apoferritin collected with a square electron beam</details>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Yeast</name>
        <supramolecule_list>
            <cell_supramolecule supramolecule_id="1">
                <name>Yeast</name>
                <parent>0</parent>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
            </cell_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>tomography</method>
            <aggregation_state>cell</aggregation_state>
            <specimen_preparation_list>
                <tomography_preparation preparation_id="1">
                    <buffer>
                        <ph>7.5</ph>
                        <details>YPD media</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <atmosphere>OTHER</atmosphere>
                        </pretreatment>
                        <details>Gatan Solarus I</details>
                    </grid>
                    <details>Extrapolated OD 600 ~20</details>
                    <high_pressure_freezing>
                        <instrument>OTHER</instrument>
                        <details>Sample was high-pressure frozen directly on a 200 mesh grid sandwiched between two flat sides of 3 mm planchettes. The value given for _em_high_pressure_freezing.instrument is Wohlwend HPF Compact 01. This is not in a list of allowed values {'LEICA EM HPM100', 'OTHER', 'LEICA EM PACT', 'BAL-TEC HPM 010', 'EMS-002 RAPID IMMERSION FREEZER', 'LEICA EM PACT2'} so OTHER is written into the XML file.</details>
                    </high_pressure_freezing>
                    <cryo_protectant>5% glycerol</cryo_protectant>
                    <sectioning>
                        <focused_ion_beam>
                            <instrument>OTHER</instrument>
                            <ion>OTHER</ion>
                            <voltage>30</voltage>
                            <current>2</current>
                            <duration>300</duration>
                            <temperature units="K">77</temperature>
                            <initial_thickness>500</initial_thickness>
                            <final_thickness>200</final_thickness>
                            <details>Lamellae were prepared using TFS AutoTEM. The settings specified are for the final polishing only. The complete set of parameters is described in the Waffle Method protocol paper here: https://ncbi.nlm.nih.gov/pmc/articles/PMC9795037/. The value given for _em_focused_ion_beam.instrument is Aquilos 2. This is not in a list of allowed values {'DB235', 'OTHER'} 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>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">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">2.5</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 K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">2.55</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>TOMO3D</name>
                        </software>
                    </software_list>
                    <number_images_used>279</number_images_used>
                </final_reconstruction>
            </tomography_processing>
        </structure_determination>
    </structure_determination_list>
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            <space_group>1</space_group>
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            <row>1536</row>
            <sec>1546</sec>
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            <y>1536</y>
            <z>1546</z>
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        <cell>
            <a units="Å">12376.0</a>
            <b units="Å">12288.0</b>
            <c units="Å">12368.0</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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        <statistics>
            <minimum>-1367.117999999999938</minimum>
            <maximum>1220.756800000000112</maximum>
            <average>-0.18173476</average>
            <std>61.159480000000002</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">8.0</x>
            <y units="Å">8.0</y>
            <z units="Å">8.0</z>
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                <source>AUTHOR</source>
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