<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-3820" version="3.0.0.0" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_0_0/emdb.xsd">
    <admin>
        <current_status>
            <date>2018-01-24</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2017-07-20</deposition>
            <header_release>2017-08-23</header_release>
            <map_release>2017-11-29</map_release>
            <update>2018-01-24</update>
        </key_dates>
        <title>Electron tomographic slices of the nuclear envelope of HeLa cell in interphase</title>
        <authors_list>
            <author>Otsuka S</author>
            <author>Ellenberg J</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Otsuka S</author>
                    <author order="2">Steyer AM</author>
                    <author order="3">Schorb M</author>
                    <author order="4">Heriche JK</author>
                    <author order="5">Hossain MJ</author>
                    <author order="6">Sethi S</author>
                    <author order="7">Kueblbeck M</author>
                    <author order="8">Schwab Y</author>
                    <author order="9">Beck M</author>
                    <author order="10">Ellenberg J</author>
                    <title>Postmitotic nuclear pore assembly proceeds by radial dilation of small membrane openings.</title>
                    <journal_abbreviation>Nat. Struct. Mol. Biol.</journal_abbreviation>
                    <country>US</country>
                    <volume>25</volume>
                    <first_page>21</first_page>
                    <last_page>28</last_page>
                    <year>2018</year>
                    <external_references type="PUBMED">29323269</external_references>
                    <external_references type="DOI">doi:10.1038/s41594-017-0001-9</external_references>
                    <external_references type="ISSN">1545-9985</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-3820</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>HeLa cell</name>
        <supramolecule_list>
            <cell_supramolecule supramolecule_id="1">
                <name>HeLa cell</name>
                <parent>0</parent>
                <details>Cells were high-pressure frozen and freeze-substituted into Lowicryl resin.</details>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                    <strain>HeLa</strain>
                </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>7.4</ph>
                        <details>CO2-independent medium without phenol red (Invitrogen), containing 20% FCS, 20% Ficoll PM400 2 mM l-glutamine, and 100 ug/ml penicillin and streptomycin</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <material>uranyl acetate and lead citrate</material>
                    </staining>
                    <sugar_embedding>
                        <material>Lowicryl resin</material>
                        <details>Frozen cells were incubated with
0.1% uranyl acetate in acetone at -90C for 20-24 hr and, after infiltration into Lowicryl resin
and UV-polymerization, samples were further polymerized by sunlight for 3-4 days.</details>
                    </sugar_embedding>
                    <grid>
                        <model>Grid</model>
                        <support_film film_type_id="1">
                            <film_material>FORMVAR</film_material>
                            <film_topology>CONTINUOUS</film_topology>
                        </support_film>
                    </grid>
                    <vitrification>
                        <cryogen_name>NITROGEN</cryogen_name>
                        <details />
                    </vitrification>
                    <fiducial_markers_list>
                        <fiducial_marker>
                            <manufacturer>CMC university Medical Center Utrecht</manufacturer>
                            <diameter units="nanometer">15</diameter>
                        </fiducial_marker>
                    </fiducial_markers_list>
                    <high_pressure_freezing>
                        <instrument>OTHER</instrument>
                        <details>High pressure freezing chamber was 1.0 mm thick in total, 3.0 mm diameter, with central cavities 50 um deep.. The value given for _emd_high_pressure_freezing.instrument is HPM 010. This is not in a list of allowed values set(['LEICA EM PACT2', 'LEICA EM PACT', 'EMS-002 RAPID IMMERSION FREEZER', 'OTHER', 'LEICA EM HPM100', 'BAL-TEC HPM 010']) so OTHER is written into the XML file.</details>
                    </high_pressure_freezing>
                    <cryo_protectant>20% FBS and Ficoll PM400</cryo_protectant>
                    <sectioning>
                        <ultramicrotomy>
                            <instrument>Leica Ultracut UCT</instrument>
                            <temperature units="K">25</temperature>
                            <final_thickness>300</final_thickness>
                        </ultramicrotomy>
                    </sectioning>
                </tomography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <tomography_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI F30</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_cs units="mm">2.26</nominal_cs>
                    <nominal_defocus_min units="&#181;m">0.5</nominal_defocus_min>
                    <nominal_magnification>15500.</nominal_magnification>
                    <specimen_holder_model>OTHER</specimen_holder_model>
                    <alignment_procedure>
                        <basic />
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI EAGLE (4k x 4k)</film_or_detector_model>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">4096</width>
                                    <height units="pixel">4096</height>
                                </dimensions>
                            </digitization_details>
                            <number_real_images>121</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">200.0</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>BACK PROJECTION</algorithm>
                    <software_list>
                        <software>
                            <name>IMOD</name>
                            <version>4.5.6</version>
                        </software>
                    </software_list>
                    <details>Dual axis tilt series were aligned using gold fiducial
markers</details>
                    <number_images_used>121</number_images_used>
                </final_reconstruction>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>IMOD</name>
                            <version>4.5.6</version>
                        </software>
                    </software_list>
                </ctf_correction>
            </tomography_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_3820.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS SIGNED INTEGER (2 BYTES)</data_type>
        <dimensions>
            <col>4096</col>
            <row>4096</row>
            <sec>326</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>150</sec>
        </origin>
        <spacing>
            <x>4096</x>
            <y>4096</y>
            <z>326</z>
        </spacing>
        <cell>
            <a units="&#8491;">30720.0</a>
            <b units="&#8491;">30720.0</b>
            <c units="&#8491;">2445.0</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>-4205.</minimum>
            <maximum>1647.</maximum>
            <average>173.766950000000008</average>
            <std>219.101499999999987</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">7.5</x>
            <y units="&#8491;">7.5</y>
            <z units="&#8491;">7.5</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-3820::::</label>
        <annotation_details>None</annotation_details>
    </map>
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