<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_9_0/emdb.xsd" version="3.0.9.0" emdb_id="EMD-13672">
    <admin>
        <current_status>
            <date>2023-12-13</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-10-04</deposition>
            <header_release>2021-11-24</header_release>
            <map_release>2021-11-24</map_release>
            <update>2023-12-13</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>European Research Council (ERC)</funding_body>
                <code>339880</code>
                <country>European Union</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Netherlands Organisation for Scientific Research (NWO)</funding_body>
                <code>024002002</code>
                <country>European Union</country>
            </grant_reference>
            <grant_reference>
                <funding_body>European Research Council (ERC)</funding_body>
                <code>669371</code>
                <country>European Union</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Netherlands Organisation for Scientific Research (NWO)</funding_body>
                <code>192.001</code>
                <country>European Union</country>
            </grant_reference>
            <grant_reference>
                <funding_body>European Research Council (ERC)</funding_body>
                <code>803894</code>
                <country>European Union</country>
            </grant_reference>
        </grant_support>
        <title>Sub-tomogram average of Ca. M.lanthanidiphila S-layer obtained from whole cell cryo-tomograms</title>
        <authors_list>
            <author ORCID="0000-0002-2257-6364">Gambelli L</author>
            <author ORCID="0000-0003-0877-3676">Mesman R</author>
        </authors_list>
        <keywords>S-layer, STRUCTURAL PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Gambelli L</author>
                    <author order="2">Mesman R</author>
                    <author order="3">Versantvoort W</author>
                    <author order="4">Diebolder CA</author>
                    <author order="5">Engel A</author>
                    <author order="6">Evers W</author>
                    <author order="7">Jetten MSM</author>
                    <author order="8">Pabst M</author>
                    <author order="9">Daum B</author>
                    <author order="10">van Niftrik L</author>
                    <title>The Polygonal Cell Shape and Surface Protein Layer of Anaerobic Methane-Oxidizing Methylomirabilis lanthanidiphila Bacteria.</title>
                    <journal_abbreviation>Front Microbiol</journal_abbreviation>
                    <country>CH</country>
                    <volume>12</volume>
                    <first_page>766527</first_page>
                    <last_page>766527</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">34925275</external_references>
                    <external_references type="DOI">doi:10.3389/fmicb.2021.766527</external_references>
                    <external_references type="ISSN">1664-302X</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-13670</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Average obtained from isolated s-layer</details>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>S-layer of Ca.M.lanthanidiphila</name>
        <supramolecule_list>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>S-layer of Ca.M.lanthanidiphila</name>
                <parent>0</parent>
                <details>3ml Ca. M.lanthanidiphila floculant biomass was dispersed using a ball bearing homogenizer with 8um clearance.</details>
                <natural_source database="NCBI">
                    <organism ncbi="2211376">Candidatus Methylomirabilis lanthanidiphila</organism>
                    <cellular_location>on top of outer membrane</cellular_location>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0316</theoretical>
                </molecular_weight>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_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>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">40</time>
                            <atmosphere>AIR</atmosphere>
                            <pressure units="kPa">20.0</pressure>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">293</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>2 microlitre sample was mixed with 0.5 microlitre 10 nm ProteinA gold solution  Grids were plunge frozen in liquid ethane, blot force 1, blot time 3 sec.. </details>
                    </vitrification>
                    <details>Dispersed cells from floculant biomass</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">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">4.0</nominal_defocus_min>
                    <calibrated_defocus_min units="µm">4.13</calibrated_defocus_min>
                    <nominal_defocus_max units="µm">5.0</nominal_defocus_max>
                    <calibrated_defocus_max units="µm">4.68</calibrated_defocus_max>
                    <nominal_magnification>33000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_max units="K">93.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Bioquantum</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 K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">4092</width>
                                    <height units="pixel">5760</height>
                                </dimensions>
                            </digitization_details>
                            <number_grids_imaged>1</number_grids_imaged>
                            <average_exposure_time units="s">0.3835</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">1.63</average_electron_dose_per_image>
                        </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>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>C6</point_group>
                    </applied_symmetry>
                    <algorithm>BACK PROJECTION</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">25.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>PEET</name>
                            <version>1.14.0</version>
                        </software>
                    </software_list>
                    <details>resolution obtained from FFT of obtainded average</details>
                    <number_subtomograms_used>1330</number_subtomograms_used>
                </final_reconstruction>
                <extraction>
                    <number_tomograms>3</number_tomograms>
                    <number_images_used>6000</number_images_used>
                    <reference_model>averaged from hand picked particles</reference_model>
                    <method>random grid</method>
                    <software_list>
                        <software>
                            <name>PEET</name>
                            <version>1.14.0</version>
                        </software>
                    </software_list>
                    <details>Used binnend tomograms. Excized sub-volumes of the S-layer with the slicer tool, applied a grid model and saved the grid model after projection on the whole tomogram.</details>
                </extraction>
                <final_angle_assignment>
                    <type>NOT APPLICABLE</type>
                </final_angle_assignment>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="321">
        <file>emd_13672.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>29</col>
            <row>31</row>
            <sec>89</sec>
        </dimensions>
        <origin>
            <col>17</col>
            <row>18</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>29</x>
            <y>31</y>
            <z>89</z>
        </spacing>
        <cell>
            <a units="Å">229.68001</a>
            <b units="Å">245.52</b>
            <c units="Å">704.88</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>47.478879999999997</minimum>
            <maximum>70.432130000000001</maximum>
            <average>60.750492000000001</average>
            <std>1.519258</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">7.92</x>
            <y units="Å">7.92</y>
            <z units="Å">7.92</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>61.700000000000003</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-13672::::</label>
        <annotation_details>Sub-tomogram average of the S-layer of Ca. M.lanthanidiphila obtained from whole cell cryo-tomograms</annotation_details>
    </map>
</emd>
