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    <admin>
        <current_status>
            <date>2025-06-18</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2024-10-22</deposition>
            <header_release>2025-06-18</header_release>
            <map_release>2025-06-18</map_release>
            <update>2025-06-18</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Novo Nordisk Foundation</funding_body>
                <code>NNF14CC0001</code>
                <country>Denmark</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Novo Nordisk Foundation</funding_body>
                <code>NNF17OC0031006</code>
                <country>Denmark</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Novo Nordisk Foundation</funding_body>
                <code>NNF23OC0081528</code>
                <country>Denmark</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Novo Nordisk Foundation</funding_body>
                <code>NNF21OC0071948</code>
                <country>Denmark</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Novo Nordisk Foundation</funding_body>
                <code>NNF0069780</code>
                <country>Denmark</country>
            </grant_reference>
        </grant_support>
        <title>Escherichia phage MaxBurger (Bas54) baseplate and tail fibers</title>
        <authors_list>
            <author ORCID="0000-0002-0430-4330">Klein-Sousa V</author>
            <author ORCID="0000-0003-3962-7583">Roa-Eguiara A</author>
            <author ORCID="0000-0003-0761-4921">Taylor NMI</author>
        </authors_list>
        <keywords>Baseplate, Tail fiber, Tail tube, Tail sheath, VIRUS</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-0430-4330" order="1">Klein-Sousa V</author>
                    <author ORCID="0000-0003-3962-7583" order="2">Roa-Eguiara A</author>
                    <author ORCID="0000-0003-1360-4260" order="3">Kielkopf CS</author>
                    <author ORCID="0000-0002-7224-3330" order="4">Sofos N</author>
                    <author ORCID="0000-0003-0761-4921" order="5">Taylor NMI</author>
                    <title>RBPseg: Toward a complete phage tail fiber structure atlas.</title>
                    <journal_abbreviation>Sci Adv</journal_abbreviation>
                    <country>US</country>
                    <volume>11</volume>
                    <first_page>eadv0870</first_page>
                    <last_page>eadv0870</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">40479047</external_references>
                    <external_references type="DOI">doi:10.1126/sciadv.adv0870</external_references>
                    <external_references type="ISSN">2375-2548</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Escherichia phage EmilHeitz</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Escherichia phage EmilHeitz</name>
                <parent>0</parent>
                <details>Phage was amplified in liquid media by E. Coli MG1655 dRM infection, and purified using PEG precipitation and Opti-Prep Gradient.</details>
                <sci_species_name ncbi="2852021">Escherichia phage EmilHeitz</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="511145">Escherichia coli str. K-12 substr. MG1655</organism>
                </natural_host>
                <virus_type>VIRION</virus_type>
                <virus_isolate>SPECIES</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>false</virus_empty>
            </virus_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_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>MgCl</formula>
                            <name>magnesium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">50.0</concentration>
                            <formula>Tris-HCl</formula>
                            <name>Tris hydrochloride</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>CONTINUOUS</film_topology>
                            <film_thickness>0.2</film_thickness>
                        </support_film>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>TFS 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_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.5</nominal_defocus_max>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>TFS FALCON 4i (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">40.0</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>
                <ctf_correction>
                    <type>PHASE FLIPPING ONLY</type>
                </ctf_correction>
                <startup_model type_of_model="NONE"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">9.46</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>17591</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>NOT APPLICABLE</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>NOT APPLICABLE</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_51869.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>208</col>
            <row>208</row>
            <sec>208</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
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        </origin>
        <spacing>
            <x>208</x>
            <y>208</y>
            <z>208</z>
        </spacing>
        <cell>
            <a units="Å">960.0</a>
            <b units="Å">960.0</b>
            <c units="Å">960.0</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>-2.193371</minimum>
            <maximum>4.07131</maximum>
            <average>-0.011602697</average>
            <std>0.20941235</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">4.6153846</x>
            <y units="Å">4.6153846</y>
            <z units="Å">4.6153846</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.8</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-51869::::</label>
        <annotation_details>Bas54 baseplate, proximal tail fiber and tail map (C6)</annotation_details>
    </map>
    <interpretation>
        <segmentation_list>
            <segmentation>
                <file>emd_51869_msk_1.map</file>
            </segmentation>
        </segmentation_list>
        <additional_map_list>
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                <file>emd_51869_additional_1.map.gz</file>
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                    <space_group>1</space_group>
                </symmetry>
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                <dimensions>
                    <col>208</col>
                    <row>208</row>
                    <sec>208</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>208</x>
                    <y>208</y>
                    <z>208</z>
                </spacing>
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                    <gamma units="deg">90.0</gamma>
                </cell>
                <axis_order>
                    <fast>X</fast>
                    <medium>Y</medium>
                    <slow>Z</slow>
                </axis_order>
                <statistics>
                    <minimum>-0.8365034</minimum>
                    <maximum>3.387369</maximum>
                    <average>-0.0036343464</average>
                    <std>0.07422204</std>
                </statistics>
                <pixel_spacing>
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                    <y units="Å">4.6153846</y>
                    <z units="Å">4.6153846</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-51869::::</label>
                <annotation_details>Bas54 local refinement map of distal fiber region</annotation_details>
            </additional_map>
        </additional_map_list>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="35996">
                <file>emd_51869_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>208</col>
                    <row>208</row>
                    <sec>208</sec>
                </dimensions>
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                    <y>208</y>
                    <z>208</z>
                </spacing>
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                    <a units="Å">960.0</a>
                    <b units="Å">960.0</b>
                    <c units="Å">960.0</c>
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                    <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>-2.4614565</minimum>
                    <maximum>4.0636797</maximum>
                    <average>0.0032141707</average>
                    <std>0.21894877</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">4.6153846</x>
                    <y units="Å">4.6153846</y>
                    <z units="Å">4.6153846</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-51869::::</label>
                <annotation_details>Half map A</annotation_details>
            </half_map>
            <half_map format="CCP4" size_kbytes="35996">
                <file>emd_51869_half_map_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>208</col>
                    <row>208</row>
                    <sec>208</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>208</x>
                    <y>208</y>
                    <z>208</z>
                </spacing>
                <cell>
                    <a units="Å">960.0</a>
                    <b units="Å">960.0</b>
                    <c units="Å">960.0</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>-2.2619085</minimum>
                    <maximum>4.183699</maximum>
                    <average>0.0033469608</average>
                    <std>0.21937841</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">4.6153846</x>
                    <y units="Å">4.6153846</y>
                    <z units="Å">4.6153846</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-51869::::</label>
                <annotation_details>Half map B</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
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