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    <admin>
        <current_status>
            <date>2024-01-24</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2024-01-05</deposition>
            <header_release>2024-01-24</header_release>
            <map_release>2024-01-24</map_release>
            <update>2024-01-24</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI039657</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI118932</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Cancer Institute (NIH/NCI)</funding_body>
                <code>CA116087</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/Office of the Director</funding_body>
                <code>S10OD030275</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>T32GM08320</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>T32GM007315</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>F31GM139291</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>American Heart Association</funding_body>
                <code>905705</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Department of Veterans Affairs (VA, United States)</funding_body>
                <code>5I01BX004447</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of the Helicobacter pylori VacA hexamer that was detergent solubilized from membrane, C6 symmetry applied</title>
        <authors_list>
            <author ORCID="0000-0001-7628-9400">Connolly SM</author>
            <author ORCID="0000-0003-1750-4793">Ohi MD</author>
        </authors_list>
        <keywords>pore-forming toxin, membrane-associated protein, TOXIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Connolly SM</author>
                    <author order="2">Erwin AL</author>
                    <author order="3">Sabb M</author>
                    <author order="4">Hanks JL</author>
                    <author order="5">Chang L</author>
                    <author order="6">Torrez RM</author>
                    <author order="7">Caso GC</author>
                    <author order="8">Campbell AM</author>
                    <author order="9">Mosalaganti S</author>
                    <author order="10">Cover TL</author>
                    <author order="11">Ohi MD</author>
                    <title>Structural Analysis of Membrane-associated Forms of Helicobacter pylori VacA Toxin.</title>
                    <journal_abbreviation>J.Mol.Biol.</journal_abbreviation>
                    <country>UK</country>
                    <volume>436</volume>
                    <first_page>168432</first_page>
                    <last_page>168432</last_page>
                    <year>2023</year>
                    <external_references type="PUBMED">38161000</external_references>
                    <external_references type="DOI">doi:10.1016/j.jmb.2023.168432</external_references>
                    <external_references type="ISSN">1089-8638</external_references>
                    <external_references type="CSD">0070</external_references>
                    <external_references type="ASTM">JMOBAK</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Helicobacter pylori VacA hexamer detergent-solubilized from liposomes, C6 symmetry applied</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Helicobacter pylori VacA hexamer detergent-solubilized from liposomes, C6 symmetry applied</name>
                <parent>0</parent>
                <details>VacA hexamer bound to large unilamellar vesicles (LUVs) and solubilized by DDM</details>
                <natural_source database="NCBI">
                    <organism ncbi="210">Helicobacter pylori</organism>
                    <strain>60190</strain>
                </natural_source>
            </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">
                    <buffer>
                        <ph>7.3</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_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">4.0</nominal_defocus_max>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">51.61</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>
                <startup_model type_of_model="OTHER">
                    <details>Ab initio model</details>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C6</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">6.7</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>20539</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_43271.map.gz</file>
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            <space_group>1</space_group>
        </symmetry>
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            <row>300</row>
            <sec>300</sec>
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            <y>300</y>
            <z>300</z>
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            <b units="Å">602.1</b>
            <c units="Å">602.1</c>
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            <gamma units="deg">90.0</gamma>
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            <minimum>-0.50483245</minimum>
            <maximum>1.148653</maximum>
            <average>0.00023063425</average>
            <std>0.026028067</std>
        </statistics>
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            <y units="Å">2.007</y>
            <z units="Å">2.007</z>
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            <contour primary="true">
                <level>0.198</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-43271::::</label>
        <annotation_details>VacA hexamer solubilized from LUVs with DDM. C6 symmetry applied.</annotation_details>
    </map>
    <interpretation>
        <half_map_list>
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                <dimensions>
                    <col>300</col>
                    <row>300</row>
                    <sec>300</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>300</x>
                    <y>300</y>
                    <z>300</z>
                </spacing>
                <cell>
                    <a units="Å">602.1</a>
                    <b units="Å">602.1</b>
                    <c units="Å">602.1</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>
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                <statistics>
                    <minimum>-0.26968917</minimum>
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                    <average>0.0009001276</average>
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                <pixel_spacing>
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                    <y units="Å">2.007</y>
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                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-43271::::</label>
                <annotation_details>VacA hexamer solubilized from LUVs with DDM. C6 symmetry applied. Map B.</annotation_details>
            </half_map>
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                <file>emd_43271_half_map_1.map.gz</file>
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                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>300</col>
                    <row>300</row>
                    <sec>300</sec>
                </dimensions>
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                    <row>0</row>
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                </origin>
                <spacing>
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                    <y>300</y>
                    <z>300</z>
                </spacing>
                <cell>
                    <a units="Å">602.1</a>
                    <b units="Å">602.1</b>
                    <c units="Å">602.1</c>
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                    <beta units="deg">90.0</beta>
                    <gamma units="deg">90.0</gamma>
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                    <medium>Y</medium>
                    <slow>Z</slow>
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                <statistics>
                    <minimum>-0.24620077</minimum>
                    <maximum>0.765444</maximum>
                    <average>0.00093617995</average>
                    <std>0.026917223</std>
                </statistics>
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                    <y units="Å">2.007</y>
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                <label>::::EMDATABANK.org::::EMD-43271::::</label>
                <annotation_details>VacA hexamer solubilized from LUVs with DDM. C6 symmetry applied. Map A.</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
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