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    <admin>
        <current_status>
            <date>2026-10-07</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <revision_history>
            <revision version="1.0" date="2026-10-07">
                <change_list>
                    <metadata>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </metadata>
                </change_list>
            </revision>
        </revision_history>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2026-03-05</deposition>
            <header_release>2026-10-07</header_release>
            <map_release>2026-10-07</map_release>
            <update>2026-10-07</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Department of Energy (DOE, United States)</funding_body>
                <code>FWP81832</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Department of Energy (DOE, United States)</funding_body>
                <code>DE-AC05-76RL01830</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-electron tomogram of cyanobacteria Prochlorococcus MED4</title>
        <authors_list>
            <author ORCID="0000-0001-9282-5015">Parvate AD</author>
            <author ORCID="0000-0002-7721-4782">Evans JE</author>
        </authors_list>
        <keywords>Cyanobacterial cell, CELL CYCLE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Johnson CGM</author>
                    <author order="2">Chan A</author>
                    <author order="3">Rozum J</author>
                    <author order="4">George A</author>
                    <author order="5">Parvate AD</author>
                    <author order="6">Bohutskyi P</author>
                    <author order="7">Kim DN</author>
                    <author order="8">Feng S</author>
                    <author order="9">Johnson Z</author>
                    <author order="10">Sadler N</author>
                    <author order="11">Garcia M</author>
                    <author order="12">Li X</author>
                    <author order="13">Trejo J</author>
                    <author order="14">Wu R</author>
                    <author order="15">Sineath W</author>
                    <author order="16">Anderson LN</author>
                    <author order="17">Evans JE</author>
                    <author order="18">Mehta AP</author>
                    <author order="19">Qian WJ</author>
                    <author order="20">Luthey-Schulten Z</author>
                    <author order="21">Cheung MS</author>
                    <title>Whole-cell spatiotemporal model and multimodal data illuminate the multiscale light responses in a photosynthetic bacterium.</title>
                    <journal_abbreviation>Biophys.J.</journal_abbreviation>
                    <country>US</country>
                    <year>2026</year>
                    <external_references type="PUBMED">42655912</external_references>
                    <external_references type="DOI">doi:10.1016/j.bpj.2026.08.020</external_references>
                    <external_references type="ISSN">1542-0086</external_references>
                    <external_references type="CSD">0030</external_references>
                    <external_references type="ASTM">BIOJAU</external_references>
                </journal_citation>
            </primary_citation>
            <secondary_citation>
                <journal_citation published="false">
                    <author ORCID="0000-0002-4672-9628" order="22">Johnson CGM</author>
                    <author ORCID="0000-0001-9282-5015" order="23">Parvate AD</author>
                    <author ORCID="0000-0002-7721-4782" order="24">Evans JEE</author>
                    <author ORCID="0000-0001-9235-7661" order="25">Cheung MS</author>
                    <title>Spatiotemporal 4D Whole-cell Modeling of a Minimal Autotroph Reveals Central Carbon Metabolism Regulated Locally by Protein Megacomplexes via Post-translational Modifications under Light Disturbance</title>
                    <journal_abbreviation>To Be Published</journal_abbreviation>
                    <external_references type="DOI">doi:10.64898/2026.01.21.700212</external_references>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </secondary_citation>
        </citation_list>
        <other_db_list>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-75841</accession_id>
                <content_type>associated EM volume</content_type>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Cyanobacterial cell</name>
        <supramolecule_list>
            <cell_supramolecule supramolecule_id="1">
                <name>Cyanobacterial cell</name>
                <parent>0</parent>
                <natural_source database="NCBI">
                    <organism ncbi="59919">Prochlorococcus marinus subsp. pastoris str. CCMP1986</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>7.0</ph>
                        <details>Sargasso Sea Water Medium</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/1</model>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY ARRAY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">30</time>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">90</chamber_humidity>
                        <instrument>LEICA EM GP</instrument>
                    </vitrification>
                    <details>Cyanobacterial cell</details>
                    <sectioning>
                        <other_sectioning>NO SECTIONING</other_sectioning>
                    </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>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">1.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">5.0</nominal_defocus_max>
                    <nominal_magnification>33000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <basic/>
                    </alignment_procedure>
                    <specialist_optics>
                        <phase_plate>VOLTA PHASE PLATE</phase_plate>
                        <energy_filter>
                            <name>GIF Bioquantum</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 K3 (6k x 4k)</film_or_detector_model>
                            <number_real_images>37</number_real_images>
                            <average_exposure_time units="s">0.9</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">2.9</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>
                    <algorithm>SIMULTANEOUS ITERATIVE (SIRT)</algorithm>
                    <software_list>
                        <software>
                            <name>eTomo</name>
                        </software>
                    </software_list>
                    <number_images_used>37</number_images_used>
                </final_reconstruction>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>eTomo</name>
                        </software>
                    </software_list>
                    <details>CTF correction carried out during the Etomo reconstruction workflow</details>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
            </tomography_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_75841.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>1024</col>
            <row>1440</row>
            <sec>211</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>-34</sec>
        </origin>
        <spacing>
            <x>1024</x>
            <y>1440</y>
            <z>211</z>
        </spacing>
        <cell>
            <a units="Å">11059.2</a>
            <b units="Å">15552.0</b>
            <c units="Å">2278.8</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>
        </axis_order>
        <statistics>
            <minimum>-9.168716999999999</minimum>
            <maximum>4.111315</maximum>
            <average>0.081346706</average>
            <std>0.26942798</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">10.8</x>
            <y units="Å">10.8</y>
            <z units="Å">10.8</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-75841::::</label>
        <annotation_details>Reconstructed cryo-tomogram and a final binning of 8x.</annotation_details>
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