<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-3567" version="3.0.0.0" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_0_0/emdb.xsd">
    <admin>
        <current_status>
            <date>2017-11-08</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2017-01-10</deposition>
            <header_release>2017-02-08</header_release>
            <map_release>2017-08-02</map_release>
            <update>2017-11-08</update>
        </key_dates>
        <title>VipA-N2/VipB contracted sheath of type VI secretion system</title>
        <authors_list>
            <author>Wang J</author>
            <author>Brackmann M</author>
            <author>Castano-Diez D</author>
            <author>Kudryashev M</author>
            <author>Goldie K</author>
            <author>Maier T</author>
            <author>Stahlberg H</author>
            <author>Basler M</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Wang J</author>
                    <author order="2">Brackmann M</author>
                    <author order="3">Castano-Diez D</author>
                    <author order="4">Kudryashev M</author>
                    <author order="5">Goldie KN</author>
                    <author order="6">Maier T</author>
                    <author order="7">Stahlberg H</author>
                    <author order="8">Basler M</author>
                    <title>Cryo-EM structure of the extended type VI secretion system sheath-tube complex.</title>
                    <journal_abbreviation>Nat Microbiol</journal_abbreviation>
                    <country>UK</country>
                    <volume>2</volume>
                    <first_page>1507</first_page>
                    <last_page>1512</last_page>
                    <year>2017</year>
                    <external_references type="PUBMED">28947741</external_references>
                    <external_references type="DOI">doi:10.1038/s41564-017-0020-7</external_references>
                    <external_references type="ISSN">2058-5276</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-3567</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5myu</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Type VI secretion system sheath</name>
        <supramolecule_list>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>Type VI secretion system sheath</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="666">Vibrio cholerae</organism>
                </natural_source>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>VipA</name>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSKEGSVAPKERINIKYIPATGDAQAEAEVELPLKTLVVGDFKGHAEQTPLEERATVTVDKNNFEAVMRESE
LKITATVKNKLTDDENAELPVELNFKSLADFAPDAVASQVPELKKLIELREALVALKGPLGNIPAFRERL
QSLLNSEESREKLLAELNL</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>VipB</name>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MMSTTEKVLERPQLAQGSLLDEIMAQTRIAPSEEGYDIAKKGVAAFIENLMGSQHSAEPVNKSLVDQMLV
ELDKKISAQMDEILHNSQFQAMESAWRGLKLFVDRTDFRENNKVEILHVTKDELLEDFEFAPETAQSGLY
KHVYSAGYGQFGGEPVGAIIGNYAFTPSTPDMKLLQYMGALGAMAHAPFISSVGPEFFGIDSFEELPNIK
DLKSTFESPKYTKWRSLRESEDARYLGLTAPRFLLRVPYDPIENPVKSFNYAENVSASHEHYLWGNTAFA
FATRLTDSFAKYRWCPNIIGPQSGGAVEDLPVHVFESMGALQSKIPTEVLITDRKEFELAEEGFIALTMR
KGSDNAAFFSANSIQKPKVFPNTKEGKEAETNYKLGTQLPYMMIINRLAHYVKVLQREQIGAWKERQDLE
RELNSWIKQYVADQENPPADVRSRRPLRAARIEVMDVEGNPGWYQVSLSVRPHFKYMGANFELSLVGRLD
QA
</string>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>helical</method>
            <aggregation_state>helicalArray</aggregation_state>
            <specimen_preparation_list>
                <helical_preparation preparation_id="1">
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <details />
                    </vitrification>
                </helical_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <helical_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>
                    <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>
                                <frames_per_image>1-30</frames_per_image>
                            </digitization_details>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>186</number_real_images>
                            <average_exposure_time units="s">9.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/&#8491;^2">30.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </helical_microscopy>
            </microscopy_list>
            <helical_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="&#8491;">21.7</delta_z>
                            <delta_phi units="deg">29.4</delta_phi>
                            <axial_symmetry>C6</axial_symmetry>
                        </helical_parameters>
                    </applied_symmetry>
                    <resolution res_type="BY AUTHOR" units="&#8491;">4.0</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2</version>
                        </software>
                    </software_list>
                    <details>RELION2, 3D auto-refine</details>
                    <number_images_used>7000</number_images_used>
                </final_reconstruction>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2</version>
                        </software>
                    </software_list>
                </ctf_correction>
                <segment_selection>
                    <number_selected>11620</number_selected>
                    <software_list>
                        <software>
                            <name>EMAN</name>
                            <version>2.1</version>
                            <processing_details>e2helixboxer.py</processing_details>
                        </software>
                    </software_list>
                </segment_selection>
                <startup_model type_of_model="INSILICO MODEL">
                    <insilico_model>cylinder</insilico_model>
                </startup_model>
                <final_angle_assignment>
                    <type>NOT APPLICABLE</type>
                </final_angle_assignment>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="66356">
        <file>emd_3567.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>360</col>
            <row>360</row>
            <sec>128</sec>
        </dimensions>
        <origin>
            <col>76</col>
            <row>76</row>
            <sec>192</sec>
        </origin>
        <spacing>
            <x>360</x>
            <y>360</y>
            <z>128</z>
        </spacing>
        <cell>
            <a units="&#8491;">374.04</a>
            <b units="&#8491;">374.04</b>
            <c units="&#8491;">132.992</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>-0.05793927</minimum>
            <maximum>0.097034894</maximum>
            <average>0.0009659687</average>
            <std>0.010127282</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">1.039</x>
            <y units="&#8491;">1.039</y>
            <z units="&#8491;">1.039</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.02</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-3567::::</label>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <target_criteria>Cross-correlation coefficient</target_criteria>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>