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        <current_status>
            <date>2020-02-05</date>
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        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
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        <key_dates>
            <deposition>2019-10-02</deposition>
            <header_release>2019-12-25</header_release>
            <map_release>2019-12-25</map_release>
            <update>2020-02-05</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>JP16H06280</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>16J10845</code>
                <country>Japan</country>
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                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>18687006</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>24687011</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>21687006</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>19H01005</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>15H02419</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>26710012</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>18H03367</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>18H05295</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
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                <country>Japan</country>
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        <title>Cryo-electron tomography of Candidatus Prometheoarchaeum syntrophicum strain MK-D1</title>
        <authors_list>
            <author>Imachi H</author>
            <author>Nobu MK</author>
            <author>Nakahara N</author>
            <author>Morono Y</author>
            <author>Ogawara M</author>
            <author>Takaki Y</author>
            <author>Takano Y</author>
            <author>Uematsu K</author>
            <author>Ikuta T</author>
            <author>Ito M</author>
            <author>Matsui Y</author>
            <author>Miyazaki M</author>
            <author>Murata K</author>
            <author>Saito Y</author>
            <author>Sakai S</author>
            <author>Song C</author>
            <author>Tasumi E</author>
            <author>Yamanaka Y</author>
            <author>Yamaguchi T</author>
            <author>Kamagata Y</author>
            <author>Tamaki H</author>
            <author>Takai K</author>
        </authors_list>
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        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Imachi H</author>
                    <author order="2">Nobu MK</author>
                    <author order="3">Nakahara N</author>
                    <author order="4">Morono Y</author>
                    <author order="5">Ogawara M</author>
                    <author order="6">Takaki Y</author>
                    <author order="7">Takano Y</author>
                    <author order="8">Uematsu K</author>
                    <author order="9">Ikuta T</author>
                    <author order="10">Ito M</author>
                    <author order="11">Matsui Y</author>
                    <author order="12">Miyazaki M</author>
                    <author order="13">Murata K</author>
                    <author order="14">Saito Y</author>
                    <author order="15">Sakai S</author>
                    <author order="16">Song C</author>
                    <author order="17">Tasumi E</author>
                    <author order="18">Yamanaka Y</author>
                    <author order="19">Yamaguchi T</author>
                    <author order="20">Kamagata Y</author>
                    <author order="21">Tamaki H</author>
                    <author order="22">Takai K</author>
                    <title>Isolation of an archaeon at the prokaryote-eukaryote interface.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <volume>577</volume>
                    <first_page>519</first_page>
                    <last_page>525</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">31942073</external_references>
                    <external_references type="DOI">doi:10.1038/s41586-019-1916-6</external_references>
                    <external_references type="ISSN">1476-4687</external_references>
                    <external_references type="CSD">0006</external_references>
                    <external_references type="ASTM">NATUAS</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
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    <sample>
        <name>Candidatus Prometheoarchaeum syntrophicum strain MK-D1</name>
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                <name>Candidatus Prometheoarchaeum syntrophicum strain MK-D1</name>
                <parent>0</parent>
                <natural_source database="NCBI">
                    <organism ncbi="2594042">anaerobic archaeon MK-D1</organism>
                    <strain>MK-D1</strain>
                </natural_source>
            </cell_supramolecule>
        </supramolecule_list>
    </sample>
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        <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>
                    </buffer>
                    <sugar_embedding>
                        <material>amorphous ice</material>
                    </sugar_embedding>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>MOLYBDENUM</material>
                        <mesh>200</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">95</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details></details>
                    </vitrification>
                    <fiducial_markers_list>
                        <fiducial_marker>
                            <manufacturer>Sigma-Aldrich</manufacturer>
                            <diameter units="nanometer">15</diameter>
                        </fiducial_marker>
                    </fiducial_markers_list>
                    <sectioning>
                        <other_sectioning>NO SECTIONING</other_sectioning>
                    </sectioning>
                </tomography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <tomography_microscopy microscopy_id="1">
                    <microscope>JEOL 2200FS</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">40.0</c2_aperture_diameter>
                    <nominal_cs units="mm">4.2</nominal_cs>
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                    <nominal_defocus_max units="µm">4.0</nominal_defocus_max>
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                    <nominal_magnification>15000.0</nominal_magnification>
                    <calibrated_magnification>16717.0</calibrated_magnification>
                    <specimen_holder_model>GATAN 914 HIGH TILT LIQUID NITROGEN CRYO TRANSFER TOMOGRAPHY HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
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                        <temperature_min units="K">76.0</temperature_min>
                        <temperature_max units="K">77.0</temperature_max>
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                    <alignment_procedure>
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                            <name>In-column Omega Filter</name>
                            <slit_width units="eV">20</slit_width>
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                        <image_recording image_recording_id="1">
                            <film_or_detector_model>DIRECT ELECTRON DE-20 (5k x 3k)</film_or_detector_model>
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                                    <width units="pixel">5120</width>
                                    <height units="pixel">3840</height>
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                                <frames_per_image>3-25</frames_per_image>
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                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>63</number_real_images>
                            <average_exposure_time units="s">1.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">1.5</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
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            </microscopy_list>
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                <image_recording_id>1</image_recording_id>
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                    <algorithm>SIMULTANEOUS ITERATIVE (SIRT)</algorithm>
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                            <name>IMOD</name>
                            <version>4.7.15</version>
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