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    <admin>
        <current_status>
            <date>2024-07-24</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2022-11-21</deposition>
            <header_release>2022-12-28</header_release>
            <map_release>2022-12-28</map_release>
            <update>2024-07-24</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Wellcome Trust</funding_body>
                <code>202231/Z/16/Z</code>
                <country>United Kingdom</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Medical Research Council (MRC, United Kingdom)</funding_body>
                <code>MC_UP_1201/31</code>
                <country>United Kingdom</country>
            </grant_reference>
        </grant_support>
        <title>In situ structure of the Caulobacter crescentus S-layer</title>
        <authors_list>
            <author>von Kuegelgen A</author>
            <author>Bharat T</author>
        </authors_list>
        <keywords>RsaA S-layer sub-tomogram averaging Caulobacter, STRUCTURAL PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0001-8407-0759" order="1">Zivanov J</author>
                    <author ORCID="0000-0002-2195-4730" order="2">Oton J</author>
                    <author ORCID="0000-0002-8408-850X" order="3">Ke Z</author>
                    <author ORCID="0000-0002-0017-2414" order="4">von Kugelgen A</author>
                    <author ORCID="0000-0002-4633-4917" order="5">Pyle E</author>
                    <author order="6">Qu K</author>
                    <author order="7">Morado D</author>
                    <author order="8">Castano-Diez D</author>
                    <author ORCID="0000-0003-1905-0342" order="9">Zanetti G</author>
                    <author ORCID="0000-0002-0168-0277" order="10">Bharat TAM</author>
                    <author ORCID="0000-0003-3990-6910" order="11">Briggs JAG</author>
                    <author ORCID="0000-0002-0462-6540" order="12">Scheres SHW</author>
                    <title>A Bayesian approach to single-particle electron cryo-tomography in RELION-4.0.</title>
                    <journal_abbreviation>Elife</journal_abbreviation>
                    <country>US</country>
                    <volume>11</volume>
                    <year>2022</year>
                    <external_references type="PUBMED">36468689</external_references>
                    <external_references type="DOI">doi:10.7554/eLife.83724</external_references>
                    <external_references type="ISSN">2050-084X</external_references>
                </journal_citation>
            </primary_citation>
            <secondary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0001-8407-0759" order="13">Zivanov J</author>
                    <author ORCID="0000-0002-2195-4730" order="14">Oton J</author>
                    <author ORCID="0000-0002-8408-850X" order="15">Ke Z</author>
                    <author ORCID="0000-0002-0017-2414" order="16">von Kuegelgen A</author>
                    <author order="17">Pyle E</author>
                    <author ORCID="0000-0002-3152-2237" order="18">Qu K</author>
                    <author ORCID="0000-0003-4693-3220" order="19">Morado D</author>
                    <author ORCID="0000-0002-0197-163X" order="20">Castano-Diez D</author>
                    <author order="21">Zanetti G</author>
                    <author ORCID="0000-0002-0168-0277" order="22">Bharat TAM</author>
                    <author ORCID="0000-0003-3990-6910" order="23">Briggs JAG</author>
                    <author ORCID="0000-0002-0462-6540" order="24">Scheres SHW</author>
                    <title>A Bayesian approach to single-particle electron cryo-tomography in RELION-4.0</title>
                    <journal_abbreviation>BioRxiv</journal_abbreviation>
                    <country>US</country>
                    <year>2022</year>
                    <external_references type="DOI">doi:10.1101/2022.02.28.482229</external_references>
                    <external_references type="ISSN">2692-8205</external_references>
                </journal_citation>
            </secondary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>8bqe</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Caulobacter crescentus S-layer</name>
        <supramolecule_list>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>Caulobacter crescentus S-layer</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>Caulobacter crescentus S-layer</details>
                <natural_source database="NCBI">
                    <organism ncbi="565050">Caulobacter vibrioides NA1000</organism>
                    <strain>YB2811</strain>
                    <cellular_location>extra-cellular</cellular_location>
                </natural_source>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>S-layer protein rsaA</name>
                <natural_source database="NCBI">
                    <organism ncbi="565050">Caulobacter vibrioides NA1000</organism>
                    <strain>NA1000 / CB15N</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.098153906</theoretical>
                </molecular_weight>
                <details>In-situ S-layer</details>
                <number_of_copies>6</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="565050">Caulobacter vibrioides NA1000</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAYTTAQLVTAYTNANLGKAPDAATTLTLDAYATQTQTGGLSDAAALTNTLKLVNSTTAVAIQTYQFFTGVAPSAAGLDF
LVDSTTNTNDLNDAYYSKFAQENRFINFSINLATGAGAGATAFAAAYTGVSYAQTVATAYDKIIGNAVATAAGVDVAAAV
AFLSRQANIDYLTAFVRANTPFTAAADIDLAVKAALIGTILNAATVSGIGGYATATAAMINDLSDGALSTDNAAGVNLFT
AYPSSGVSGSTLSLTTGTDTLTGTANNDTFVAGEVAGAATLTVGDTLSGGAGTDVLNWVQAAAVTALPTGVTISGIETMN
VTSGAAITLNTSSGVTGLTALNTNTSGAAQTVTAGAGQNLTATTAAQAANNVAVDGGANVTVASTGVTSGTTTVGANSAA
SGTVSVSVANSSTTTTGAIAVTGGTAVTVAQTAGNAVNTTLTQADVTVTGNSSTTAVTVTQTAAATAGATVAGRVNGAVT
ITDSAAASATTAGKIATVTLGSFGAATIDSSALTTVNLSGTGTSLGIGRGALTATPTANTLTLNVNGLTTTGAITDSEAA
ADDGFTTINIAGSTASSTIASLVAADATTLNISGDARVTITSHTAAALTGITVTNSVGATLGAELATGLVFTGGAGADSI
LLGATTKAIVMGAGDDTVTVSSATLGAGGSVNGGDGTDVLVANVNGSSFSADPAFGGFETLRVAGAAAQGSHNANGFTAL
QLGATAGATTFTNVAVNVGLTVLAAPTGTTTVTLANATGTSDVFNLTLSSSAALAAGTVALAGVETVNIAATDTNTTAHV
DTLTLQATSAKSIVVTGNAGLNLTNTGNTAVTSFDASAVTGTGSAVTFVSANTTVGEVVTIRGGAGADSLTGSATANDTI
IGGAGADTLVYTGGTDTFTGGTGADIFDINAIGTSTAFVTITDAAVGDKLDLVGISTNGAIADGAFGAAVTLGAAATLAQ
YLDAAAAGDGSGTSVAKWFQFGGDTYVVVDSSAGATFVSGADAVIKLTGLVTLTTSAFATEVLTLA</string>
                    <external_references type="UNIPROTKB">A0A0H3C8J1</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="3">
                <name>CALCIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">4.0078e-05</theoretical>
                </molecular_weight>
                <number_of_copies>18</number_of_copies>
                <formula>CA</formula>
            </ligand>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <aggregation_state>cell</aggregation_state>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <buffer>
                        <ph>7.0</ph>
                        <details>PYE medium</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <material>COPPER/RHODIUM</material>
                        <mesh>200</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>
                            <time units="s">20</time>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                        <details>15 mA</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">283.15</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>1.5 s blot. </details>
                    </vitrification>
                    <details>Caulobacter crescentus stalk</details>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_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">2.0</nominal_defocus_min>
                    <calibrated_defocus_min units="µm">2.0</calibrated_defocus_min>
                    <nominal_defocus_max units="µm">5.0</nominal_defocus_max>
                    <calibrated_defocus_max units="µm">5.0</calibrated_defocus_max>
                    <nominal_magnification>105000.0</nominal_magnification>
                    <calibrated_magnification>105000.0</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">70.0</temperature_min>
                        <temperature_max units="K">70.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <specialist_optics>
                        <sph_aberration_corrector>not used</sph_aberration_corrector>
                        <chr_aberration_corrector>not used</chr_aberration_corrector>
                        <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>SUPER-RESOLUTION</detector_mode>
                            <digitization_details>
                                <frames_per_image>1-10</frames_per_image>
                            </digitization_details>
                            <number_real_images>1</number_real_images>
                            <average_exposure_time units="s">1.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">3.4</average_electron_dose_per_image>
                            <details>Dose symmetric tilt scheme (Hagen et al, JSB)</details>
                        </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>
                    <number_classes_used>3</number_classes_used>
                    <applied_symmetry>
                        <point_group>C6</point_group>
                    </applied_symmetry>
                    <algorithm>FOURIER SPACE</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">3.5</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                        </software>
                    </software_list>
                    <number_subtomograms_used>42990</number_subtomograms_used>
                </final_reconstruction>
                <extraction>
                    <number_tomograms>110</number_tomograms>
                    <number_images_used>51866</number_images_used>
                    <reference_model>EMDF</reference_model>
                    <method>EMD-10388</method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.0</version>
                        </software>
                    </software_list>
                    <details>RELION subtomogram averaging</details>
                </extraction>
                <final_three_d_classification>
                    <number_classes>6</number_classes>
                    <average_number_members_per_class>8645.0</average_number_members_per_class>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.0</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.0</version>
                        </software>
                    </software_list>
                    <details>RELION 4.0.0</details>
                </final_angle_assignment>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="16385">
        <file>emd_16183.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
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        <dimensions>
            <col>160</col>
            <row>160</row>
            <sec>160</sec>
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            <a units="Å">216.0</a>
            <b units="Å">216.0</b>
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            <alpha units="deg">90.0</alpha>
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            <medium>Y</medium>
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        <label>::::EMDATABANK.org::::EMD-16183::::</label>
        <annotation_details>PostProcessed map with B-factor sharpening</annotation_details>
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    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <refinement_space>REAL</refinement_space>
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                    <a units="Å">216.0</a>
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                <label>::::EMDATABANK.org::::EMD-16183::::</label>
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