<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_10_1/emdb.xsd" version="3.0.10.1" emdb_id="EMD-63145">
    <admin>
        <current_status>
            <date>2025-04-30</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2025-01-15</deposition>
            <header_release>2025-04-30</header_release>
            <map_release>2025-04-30</map_release>
            <update>2025-04-30</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>JP23K14134</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>JP22K06098</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>JP23H05475</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>JP24H02319</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>JP24H02328</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Agency for Medical Research and Development (AMED)</funding_body>
                <code>JP24ama121009</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Agency for Medical Research and Development (AMED)</funding_body>
                <code>JP24ama121002</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Science and Technology</funding_body>
                <code>JPMJER1901</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Science and Technology</funding_body>
                <code>JPMJCR24T3</code>
                <country>Japan</country>
            </grant_reference>
        </grant_support>
        <title>Subtomogram average of the HeLa nucleosome for mapping back</title>
        <authors_list>
            <author ORCID="0000-0002-5678-4049">Hatazawa S</author>
            <author ORCID="0000-0003-2368-6618">Fukuda Y</author>
            <author ORCID="0000-0002-6265-4830">Takizawa Y</author>
            <author ORCID="0000-0001-7412-3722">Kurumizaka H</author>
        </authors_list>
        <keywords>Complex, Nucleosome, Chromatin, Epigenetics, GENE REGULATION</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Hatazawa S</author>
                    <author order="2">Fukuda Y</author>
                    <author order="3">Kobayashi Y</author>
                    <author order="4">Negishi L</author>
                    <author ORCID="0000-0001-7656-8194" order="5">Kikkawa M</author>
                    <author order="6">Takizawa Y</author>
                    <author ORCID="0000-0001-7412-3722" order="7">Kurumizaka H</author>
                    <title>Cryo-EM Structures of Native Chromatin Units From Human Cells.</title>
                    <journal_abbreviation>Genes Cells</journal_abbreviation>
                    <country>UK</country>
                    <volume>30</volume>
                    <first_page>e70019</first_page>
                    <last_page>e70019</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">40223781</external_references>
                    <external_references type="DOI">doi:10.1111/gtc.70019</external_references>
                    <external_references type="ISSN">1365-2443</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-63078</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Nucleosome containing histone octamer and genomic DNA</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Nucleosome containing histone octamer and genomic DNA</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <buffer>
                        <ph>7.5</ph>
                        <component>
                            <concentration units="mM">10.0</concentration>
                            <formula>C4H11NO3</formula>
                            <name>tris (hydroxymethyl) aminomethane</name>
                        </component>
                        <component>
                            <concentration units="mM">30.0</concentration>
                            <formula>NaCl</formula>
                            <name>sodium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>C4H10O2S2</formula>
                            <name>dithiothreitol</name>
                        </component>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_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>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">0.5</nominal_defocus_max>
                    <nominal_magnification>53000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <specialist_optics>
                        <phase_plate>VOLTA PHASE PLATE</phase_plate>
                    </specialist_optics>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <average_exposure_time units="s">3.15</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">3.1</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </subtomogram_averaging_microscopy>
            </microscopy_list>
            <subtomogram_averaging_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C2</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">16.0</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.1</version>
                        </software>
                    </software_list>
                    <number_subtomograms_used>8545</number_subtomograms_used>
                </final_reconstruction>
                <extraction>
                    <number_tomograms>5</number_tomograms>
                    <number_images_used>12693</number_images_used>
                    <reference_model>7VZ4</reference_model>
                    <method>Template matching</method>
                    <software_list>
                        <software>
                            <name>PyTom</name>
                        </software>
                    </software_list>
                </extraction>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.1</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.1</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="8389">
        <file>emd_63145.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>128</col>
            <row>128</row>
            <sec>128</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>128</x>
            <y>128</y>
            <z>128</z>
        </spacing>
        <cell>
            <a units="Å">208.64</a>
            <b units="Å">208.64</b>
            <c units="Å">208.64</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>-60.867846999999998</minimum>
            <maximum>1782.724999999999909</maximum>
            <average>79.687160000000006</average>
            <std>245.250720000000001</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.63</x>
            <y units="Å">1.63</y>
            <z units="Å">1.63</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>800.0</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-63145::::</label>
    </map>
    <interpretation>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="8389">
                <file>emd_63145_half_map_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">217.6</a>
                    <b units="Å">217.6</b>
                    <c units="Å">217.6</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>-338.212429999999983</minimum>
                    <maximum>2126.925000000000182</maximum>
                    <average>69.117739999999998</average>
                    <std>252.64688000000001</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.7</x>
                    <y units="Å">1.7</y>
                    <z units="Å">1.7</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-63145::::</label>
            </half_map>
            <half_map format="CCP4" size_kbytes="8389">
                <file>emd_63145_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">217.6</a>
                    <b units="Å">217.6</b>
                    <c units="Å">217.6</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>-333.635960000000011</minimum>
                    <maximum>2125.172900000000027</maximum>
                    <average>68.318079999999995</average>
                    <std>249.931729999999988</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.7</x>
                    <y units="Å">1.7</y>
                    <z units="Å">1.7</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-63145::::</label>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
