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    <admin>
        <current_status>
            <date>2022-01-26</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-06-12</deposition>
            <header_release>2020-11-11</header_release>
            <map_release>2020-11-11</map_release>
            <update>2022-01-26</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Netherlands Organisation for Scientific Research (NWO)</funding_body>
                <code>723-016-007</code>
                <country>Netherlands</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Swiss National Science Foundation</funding_body>
                <code>18272.1</code>
                <country>Switzerland</country>
            </grant_reference>
        </grant_support>
        <title>FtsH dodecamer of A. aeolicus in LMNG micelle, tilted at 90 degrees</title>
        <authors_list>
            <author>Carvalho V</author>
            <author>Prabudiansyah I</author>
            <author>Kovacik L</author>
            <author>Chami M</author>
            <author>Kieffer R</author>
            <author>van der Valk R</author>
            <author>de Lange N</author>
            <author>Engel A</author>
            <author>Aubin-Tam M-E</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Carvalho V</author>
                    <author order="2">Prabudiansyah I</author>
                    <author order="3">Kovacik L</author>
                    <author order="4">Chami M</author>
                    <author order="5">Kieffer R</author>
                    <author order="6">van der Valk R</author>
                    <author order="7">de Lange N</author>
                    <author order="8">Engel A</author>
                    <author order="9">Aubin-Tam ME</author>
                    <title>The cytoplasmic domain of the AAA+ protease FtsH is tilted with respect to the membrane to facilitate substrate entry.</title>
                    <journal_abbreviation>J.Biol.Chem.</journal_abbreviation>
                    <country>US</country>
                    <volume>296</volume>
                    <first_page>100029</first_page>
                    <last_page>100029</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">33154162</external_references>
                    <external_references type="DOI">doi:10.1074/jbc.RA120.014739</external_references>
                    <external_references type="ISSN">1083-351X</external_references>
                    <external_references type="CSD">0071</external_references>
                    <external_references type="ASTM">JBCHA3</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-11161</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-11167</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-11171</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>FtsH protease of A. aeolicus</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>FtsH protease of A. aeolicus</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                    <recombinant_plasmid>pET22a</recombinant_plasmid>
                </recombinant_expression>
                <molecular_weight>
                    <experimental units="MDa">0.427</experimental>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <concentration units="mg/mL">0.7</concentration>
                    <buffer>
                        <ph>8.0</ph>
                        <component>
                            <concentration units="mM">10.0</concentration>
                            <name>Tris-HCl</name>
                        </component>
                        <component>
                            <concentration units="mM">150.0</concentration>
                            <formula>NaCl</formula>
                        </component>
                        <component>
                            <concentration units="w/v">0.01</concentration>
                            <name>LMNG</name>
                        </component>
                        <component>
                            <concentration units="%">5.0</concentration>
                            <name>glycerol</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil</model>
                        <material>COPPER</material>
                        <mesh>300</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY ARRAY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <atmosphere>AIR</atmosphere>
                            <pressure units="kPa">0.005</pressure>
                        </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>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN 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">70.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.7000000000000001</nominal_defocus_min>
                    <calibrated_defocus_min units="µm">0.7000000000000001</calibrated_defocus_min>
                    <nominal_defocus_max units="µm">2.5</nominal_defocus_max>
                    <calibrated_defocus_max units="µm">2.5</calibrated_defocus_max>
                    <nominal_magnification>215000.0</nominal_magnification>
                    <calibrated_magnification>78247.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_min units="K">90.0</temperature_min>
                        <temperature_max units="K">100.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <coma_free />
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Quantum LS</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 K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">3838</width>
                                    <height units="pixel">3760</height>
                                </dimensions>
                                <sampling_interval units="µm">5.0</sampling_interval>
                                <frames_per_image>1-35</frames_per_image>
                            </digitization_details>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>3993</number_real_images>
                            <average_exposure_time units="s">16.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">53.0</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>
                <particle_selection>
                    <number_selected>101726</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND</name>
                            <version>4.1.10</version>
                        </software>
                    </software_list>
                </ctf_correction>
                <startup_model type_of_model="INSILICO MODEL">
                    <insilico_model>spherical blob</insilico_model>
                </startup_model>
                <final_reconstruction>
                    <algorithm>BACK PROJECTION</algorithm>
                    <resolution res_type="BY AUTHOR" units="Å">12.13</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                    <number_images_used>3221</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>7</number_classes>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="67109">
        <file>emd_11171.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>256</col>
            <row>256</row>
            <sec>256</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>256</x>
            <y>256</y>
            <z>256</z>
        </spacing>
        <cell>
            <a units="Å">327.68</a>
            <b units="Å">327.68</b>
            <c units="Å">327.68</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>-0.005826485</minimum>
            <maximum>0.025639737</maximum>
            <average>0.00051385316</average>
            <std>0.00221869</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.28</x>
            <y units="Å">1.28</y>
            <z units="Å">1.28</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.008</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-11171::::</label>
        <annotation_details>V-shaped FtsH dodecamer of A. aeolicus</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>4WW0</access_code>
                    <chain>
                        <chain_id>A</chain_id>
                    </chain>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <target_criteria>correlation coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
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