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        <current_status>
            <date>2024-03-27</date>
            <code>REL</code>
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        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-10-07</deposition>
            <header_release>2021-05-19</header_release>
            <map_release>2021-05-19</map_release>
            <update>2024-03-27</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>25000013</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>18K06155</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>18K14639</code>
                <country>Japan</country>
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            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>19H03182</code>
                <country>Japan</country>
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                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>26293097</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>15H05593</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>20K15749</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>15H02386</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>15H01640</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Agency for Medical Research and Development (AMED)</funding_body>
                <code>19am0101117</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Agency for Medical Research and Development (AMED)</funding_body>
                <code>17pc0101020</code>
                <country>Japan</country>
            </grant_reference>
        </grant_support>
        <title>34-fold symmetry Salmonella S ring formed by full-length FliF</title>
        <authors_list>
            <author>Kawamoto A</author>
            <author>Miyata T</author>
        </authors_list>
        <keywords>Flagellar motor, Type III protein export system, Transmembrane protein Complex, Torque generation, MEMBRANE PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-7380-0127" order="1">Kawamoto A</author>
                    <author ORCID="0000-0002-5543-7459" order="2">Miyata T</author>
                    <author ORCID="0000-0001-9512-7087" order="3">Makino F</author>
                    <author ORCID="0000-0001-8679-3387" order="4">Kinoshita M</author>
                    <author ORCID="0000-0002-8175-1951" order="5">Minamino T</author>
                    <author ORCID="0000-0003-1342-8885" order="6">Imada K</author>
                    <author ORCID="0000-0002-8879-6685" order="7">Kato T</author>
                    <author ORCID="0000-0003-2911-5875" order="8">Namba K</author>
                    <title>Native flagellar MS ring is formed by 34 subunits with 23-fold and 11-fold subsymmetries.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>12</volume>
                    <first_page>4223</first_page>
                    <last_page>4223</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">34244518</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-021-24507-9</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7d84</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>transmembrane protein complex made of FliF</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>transmembrane protein complex made of FliF</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>the MS ring formed by full-length FliF from Salmonella enterica serovar Typhimurium</details>
                <natural_source database="NCBI">
                    <organism ncbi="99287">Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Flagellar M-ring protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="90371">Salmonella enterica serovar Typhimurium</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.061295644999999996</theoretical>
                </molecular_weight>
                <number_of_copies>34</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSATASTATQPKPLEWLNRLRANPRIPLIVAGSAAVAIVVAMVLWAKTPDYRTLFSNLSDQDGGAIVAQLTQMNIPYRFA
NGSGAIEVPADKVHELRLRLAQQGLPKGGAVGFELLDQEKFGISQFSEQVNYQRALEGELARTIETLGPVKSARVHLAMP
KPSLFVREQKSPSASVTVTLEPGRALDEGQISAVVHLVSSAVAGLPPGNVTLVDQSGHLLTQSNTSGRDLNDAQLKFAND
VESRIQRRIEAILSPIVGNGNVHAQVTAQLDFANKEQTEEHYSPNGDASKATLRSRQLNISEQVGAGYPGGVPGALSNQP
APPNEAPIATPPTNQQNAQNTPQTSTSTNSNSAGPRSTQRNETSNYEVDRTIRHTKMNVGDIERLSVAVVVNYKTLADGK
PLPLTADQMKQIEDLTREAMGFSDKRGDTLNVVNSPFSAVDNTGGELPFWQQQSFIDQLLAAGRWLLVLVVAWILWRKAV
RPQLTRRVEEAKAAQEQAQVRQETEEAVEVRLSKDEQLQQRRANQRLGAEVMSQRIREMSDNDPRVVALVIRQWMSNDHE</string>
                    <external_references type="UNIPROTKB">P15928</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
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        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
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                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>8.0</ph>
                        <component>
                            <concentration units="mM">25.0</concentration>
                            <formula>Tris-HCl</formula>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>EDTA</formula>
                        </component>
                        <component>
                            <concentration units="mM">50.0</concentration>
                            <formula>NaCl</formula>
                        </component>
                        <component>
                            <concentration units="%">0.05</concentration>
                            <formula>LMNG</formula>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">10</time>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</instrument>
                    </vitrification>
                </single_particle_preparation>
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                <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>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">1.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.0</nominal_defocus_max>
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                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
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                        <coma_free/>
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                            <film_or_detector_model>FEI FALCON II (4k x 4k)</film_or_detector_model>
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                                    <width units="pixel">4096</width>
                                    <height units="pixel">4096</height>
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                                <frames_per_image>1-6</frames_per_image>
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                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>1589</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">90.0</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>339861</number_selected>
                </particle_selection>
                <startup_model type_of_model="OTHER"/>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>C34</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.7</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
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                        <software>
                            <name>cryoSPARC</name>
                            <version>2.14</version>
                        </software>
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                    <number_images_used>38889</number_images_used>
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                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2.1</version>
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                        <software>
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