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    <admin>
        <current_status>
            <date>2023-11-29</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-06-17</deposition>
            <header_release>2020-07-01</header_release>
            <map_release>2020-07-01</map_release>
            <update>2023-11-29</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Health and Medical Research Council (NHMRC, Australia)</funding_body>
                <code>1092262</code>
                <country>Australia</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Australian Research Council (ARC)</funding_body>
                <code>FL130100038</code>
                <country>Australia</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Wellcome Trust</funding_body>
                <code>106077/Z/14/Z</code>
                <country>United Kingdom</country>
            </grant_reference>
        </grant_support>
        <title>YSD1 major tail protein</title>
        <authors_list>
            <author>Hardy JM</author>
            <author>Dunstan R</author>
        </authors_list>
        <keywords>Bacteriophage tail, helical assembly, VIRAL PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-8014-8552" order="1">Hardy JM</author>
                    <author ORCID="0000-0002-7161-3993" order="2">Dunstan RA</author>
                    <author ORCID="0000-0002-8195-5348" order="3">Grinter R</author>
                    <author order="4">Belousoff MJ</author>
                    <author order="5">Wang J</author>
                    <author order="6">Pickard D</author>
                    <author order="7">Venugopal H</author>
                    <author order="8">Dougan G</author>
                    <author ORCID="0000-0002-0102-7884" order="9">Lithgow T</author>
                    <author ORCID="0000-0003-3380-2117" order="10">Coulibaly F</author>
                    <title>The architecture and stabilisation of flagellotropic tailed bacteriophages.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>11</volume>
                    <first_page>3748</first_page>
                    <last_page>3748</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">32719311</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-020-17505-w</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-22182</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6xgr</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
        <other_db_list>
            <db_reference>
                <db_name>SASBDB</db_name>
                <accession_id>SAS2352</accession_id>
                <content_type>associated SAS data</content_type>
                <details>SAXS of monomeric recombinant YSD1_22</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Bacteriophage sp.</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Bacteriophage sp.</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>From environmental water samples taken during a phage survey of the waterways of Cambridge UK, the phage YSD1 was isolated using the attenuated S. enterica serovar Typhi BRD948. The virus was then amplified by infecting S. Typhimurium SL3261 delta-fljB.</details>
                <sci_species_name ncbi="38018">Bacteriophage sp.</sci_species_name>
                <sci_species_strain>YSD1</sci_species_strain>
                <natural_host database="NCBI">
                    <organism ncbi="90370">Salmonella enterica subsp. enterica serovar Typhi</organism>
                </natural_host>
                <molecular_weight>
                    <theoretical units="kDa/nm">56.3</theoretical>
                </molecular_weight>
                <virus_shell shell_id="1">
                    <name>YSD1 capsid</name>
                    <diameter units="Å">650.0</diameter>
                    <triangulation>7</triangulation>
                </virus_shell>
                <virus_type>VIRION</virus_type>
                <virus_isolate>SUBSPECIES</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>false</virus_empty>
            </virus_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>YSD1_22 major tail protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="38018">Bacteriophage sp.</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.04039136299999999</theoretical>
                </molecular_weight>
                <number_of_copies>18</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MNDNYQNNYVVGRGTVYFDRFQDGTNRKTGEMYFGNTPEFTINTDSETLDHYSSDHGMRVMDASVLLEASQGGTFTCDNI
NADNLALWFLGEVSNTTQTQQTDAKEVFNPIMRGRYYQLGTTDDNPTGVRGVTNFQMVKADASIAISVGSGDITSIVGAT
VVNPAGNYEIDLEAGRIYIEPDSTDLSGNVQIAVQYDVDAQKRTLVIGKSNMVYGALRMISDNPVGLNKNYYFPKVSIAP
DGDYALKGDDWQVMSFTFKAMQLNNITQRVYIDIVEAAAAVDPTAQRTIEITPASTTATTGGAGVVCTVTVRDGTGTAVQ
GDAVTFTTVAGATVTPNSATTGASGTATTTVNRTAAGTATVTATLANGKAATTGTITFSAP</string>
                    <external_references type="UNIPROTKB">A0A498U5Z3</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>helical</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <helical_preparation preparation_id="1">
                    <buffer>
                        <ph>7.5</ph>
                        <component>
                            <concentration units="mM">100.0</concentration>
                            <formula>NaCl</formula>
                            <name>Sodium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">8.0</concentration>
                            <formula>MgSO4</formula>
                            <name>Magnesium Sulfate</name>
                        </component>
                        <component>
                            <concentration units="mM">10.0</concentration>
                            <formula>Tris-HCl</formula>
                            <name>Tris pH 7.5</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <material>COPPER</material>
                        <mesh>300</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">30</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 IV</instrument>
                        <details>The grid was blotted for 2 seconds with a blot force of -3 and no drain time.. </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>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <calibrated_defocus_min units="µm">0.5</calibrated_defocus_min>
                    <calibrated_defocus_max units="µm">2.5</calibrated_defocus_max>
                    <calibrated_magnification>105000.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 QUANTUM (4k x 4k)</film_or_detector_model>
                            <detector_mode>SUPER-RESOLUTION</detector_mode>
                            <digitization_details>
                                <frames_per_image>1-30</frames_per_image>
                            </digitization_details>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>1881</number_real_images>
                            <average_exposure_time units="s">12.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">27.24</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>
                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="Å">41.2</delta_z>
                            <delta_phi units="deg">19.7</delta_phi>
                            <axial_symmetry>C6</axial_symmetry>
                        </helical_parameters>
                    </applied_symmetry>
                    <algorithm>BACK PROJECTION</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>
                            <version>2.1</version>
                        </software>
                    </software_list>
                    <number_images_used>147809</number_images_used>
                </final_reconstruction>
                <segment_selection>
                    <number_selected>184501</number_selected>
                </segment_selection>
                <startup_model type_of_model="INSILICO MODEL">
                    <insilico_model>Featureless cylinder</insilico_model>
                </startup_model>
                <final_angle_assignment>
                    <type>NOT APPLICABLE</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2.1</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_22183.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
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        <dimensions>
            <col>256</col>
            <row>256</row>
            <sec>256</sec>
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        <cell>
            <a units="Å">343.04</a>
            <b units="Å">343.04</b>
            <c units="Å">343.04</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
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        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
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        <statistics>
            <minimum>-0.19002108</minimum>
            <maximum>0.33053997</maximum>
            <average>0.00096707186</average>
            <std>0.011539441</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.34</x>
            <y units="Å">1.34</y>
            <z units="Å">1.34</z>
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        <contour_list>
            <contour primary="true">
                <level>0.04</level>
                <source>AUTHOR</source>
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        <label>::::EMDATABANK.org::::EMD-22183::::</label>
        <annotation_details>Sharpened masked map</annotation_details>
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    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>AB INITIO MODEL</refinement_protocol>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
        <segmentation_list>
            <segmentation>
                <file>emd_22183_msk_1.map</file>
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                    <a units="Å">343.04</a>
                    <b units="Å">343.04</b>
                    <c units="Å">343.04</c>
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                    <gamma units="deg">90.0</gamma>
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                <label>::::EMDATABANK.org::::EMD-22183::::</label>
                <annotation_details>Sharpened map</annotation_details>
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                    <y units="Å">1.32</y>
                    <z units="Å">1.32</z>
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                <label>::::EMDATABANK.org::::EMD-22183::::</label>
                <annotation_details>Half map 2</annotation_details>
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                <annotation_details>Half map 1</annotation_details>
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