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        <current_status>
            <date>2019-12-04</date>
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            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
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        <key_dates>
            <deposition>2019-08-24</deposition>
            <header_release>2019-12-04</header_release>
            <map_release>2019-12-04</map_release>
            <update>2019-12-04</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>JP18H05534</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>JP17H05013</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>JP17H01408</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>15H05972</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>17H06167</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science</funding_body>
                <code>JP19K06522</code>
                <country>Japan</country>
            </grant_reference>
        </grant_support>
        <title>H3-H3-H3 tri-nucleosome with the 22 base-pair linker DNA, Class2</title>
        <authors_list>
            <author>Takizawa Y</author>
            <author>Ho C-H</author>
            <author>Tachiwana H</author>
            <author>Ohi M</author>
            <author>Wolf M</author>
            <author>Kurumizaka H</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Takizawa Y</author>
                    <author order="2">Ho C-H</author>
                    <author order="3">Tachiwana H</author>
                    <author order="4">Matsunami H</author>
                    <author order="5">Kobayashi W</author>
                    <author order="6">Suzuki M</author>
                    <author order="7">Arimura Y</author>
                    <author order="8">Hori T</author>
                    <author order="9">Fukagawa T</author>
                    <author order="10">Ohi MD</author>
                    <author order="11">Wolf M</author>
                    <author order="12">Kurumizaka H</author>
                    <title>Cryo-EM Structures of Centromeric Tri-nucleosomes Containing a Central CENP-A Nucleosome.</title>
                    <journal_abbreviation>Structure</journal_abbreviation>
                    <country>UK</country>
                    <year>2019</year>
                    <external_references type="PUBMED">31711756</external_references>
                    <external_references type="DOI">doi:10.1016/j.str.2019.10.016</external_references>
                    <external_references type="ISSN">0969-2126</external_references>
                    <external_references type="CSD">2005</external_references>
                    <external_references type="ASTM">STRUE6</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-0770</emdb_id>
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                    <other>other EM volume</other>
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            <emdb_reference>
                <emdb_id>EMD-0771</emdb_id>
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                    <other>associated EM volume</other>
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    </crossreferences>
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            <complex_supramolecule supramolecule_id="1">
                <name>H3-H3-H3 tri-nucleosome with the 22 base-pair linker DNA, Class2</name>
                <parent>0</parent>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <molecular_weight>
                    <theoretical units="MDa">0.6</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <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">0.03</concentration>
                    <buffer>
                        <ph>7.8</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details></details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TALOS ARCTICA</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">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
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                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI FALCON III (4k x 4k)</film_or_detector_model>
                            <detector_mode>INTEGRATING</detector_mode>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>4512</number_real_images>
                            <average_exposure_time units="s">1.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">25.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
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                    <number_selected>118395</number_selected>
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                    <software_list>
                        <software>
                            <name>CTFFIND</name>
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                <startup_model type_of_model="OTHER">
                    <details>Cylinder generated by SPIDER</details>
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                    <applied_symmetry>
                        <point_group>C2</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">15.1</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
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                        <software>
                            <name>RELION</name>
                        </software>
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                    <number_images_used>3777</number_images_used>
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                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>RELION</name>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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            <space_group>1</space_group>
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        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
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            <row>280</row>
            <sec>280</sec>
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            <x>280</x>
            <y>280</y>
            <z>280</z>
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        <cell>
            <a units="Å">392.0</a>
            <b units="Å">392.0</b>
            <c units="Å">392.0</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
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            <medium>Y</medium>
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            <average>0.501009500</average>
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            <y units="Å">1.4</y>
            <z units="Å">1.4</z>
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                <level>3.8</level>
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        <label>::::EMDATABANK.org::::EMD-0771::::</label>
        <annotation_details>H3-H3-H3 tri-nucleosome with the 22 base-pair linker DNA, Class2</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
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