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    <admin>
        <current_status>
            <date>2024-11-13</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2024-06-11</deposition>
            <header_release>2024-10-09</header_release>
            <map_release>2024-10-09</map_release>
            <update>2024-11-13</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>South African Medical Research Council self-initiated research grant (SAMRC SIR Grant)</funding_body>
                <country>South Africa</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Chan Zuckerberg Initiative</funding_body>
                <code>2021-240494</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Structure of a gp140 SpyTag-SpyCatcher mi3 nanoparticle including mi3 density only.</title>
        <authors_list>
            <author>Woodward JD</author>
            <author>Malebo K</author>
            <author>Chapman R</author>
        </authors_list>
        <keywords>Vaccine, HIV-1, mi3, Nanoparticle, VLP, IMMUNE SYSTEM</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-8916-9894" order="1">Malebo K</author>
                    <author ORCID="0000-0002-7350-8302" order="2">Woodward J</author>
                    <author order="3">Ximba P</author>
                    <author order="4">Mkhize Q</author>
                    <author ORCID="0000-0002-8657-4130" order="5">Cingo S</author>
                    <author ORCID="0000-0002-4269-9281" order="6">Moyo-Gwete T</author>
                    <author order="7">Moore PL</author>
                    <author ORCID="0000-0002-5467-1200" order="8">Williamson AL</author>
                    <author ORCID="0000-0001-9162-2099" order="9">Chapman R</author>
                    <title>Development of a Two-Component Nanoparticle Vaccine Displaying an HIV-1 Envelope Glycoprotein that Elicits Tier 2 Neutralising Antibodies.</title>
                    <journal_abbreviation>Vaccines (Basel)</journal_abbreviation>
                    <country>CH</country>
                    <volume>12</volume>
                    <year>2024</year>
                    <external_references type="PUBMED">39340093</external_references>
                    <external_references type="DOI">doi:10.3390/vaccines12091063</external_references>
                    <external_references type="ISSN">2076-393X</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>9fo3</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>CAP255 gp140 SpyTag-SpyCatcher mi3 nanoparticle</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>CAP255 gp140 SpyTag-SpyCatcher mi3 nanoparticle</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>CAP255 gp140 SpyTag was expressed in HEK293T cells and purified. SpyCatcher mi3 was expressed in</details>
                <natural_source database="NCBI">
                    <organism ncbi="2336">Thermotoga maritima</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">4.75</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>CAP255 gp140 SpyTag-SpyCatcher mi3,2-dehydro-3-deoxyphosphogluconate aldolase/4-hydroxy-2-oxoglutarate aldolase,2-dehydro-3-deoxyphosphogluconate aldolase/4-hydroxy-2-oxoglutarate aldolase</name>
                <natural_source database="NCBI">
                    <organism ncbi="2336">Thermotoga maritima</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.033894777</theoretical>
                </molecular_weight>
                <details>Model just contains mi3 cage component of NP. Note that SpyCatcher and gp140 are not included in the model.,Model just contains mi3 cage component of NP. Note that SpyCatcher and gp140 are not included in the model.,Model just contains mi3 cage component of NP. Note that SpyCatcher and gp140 are not included in the model.,Model just contains mi3 cage component of NP. Note that SpyCatcher and gp140 are not included in the model.</details>
                <number_of_copies>60</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511693">Escherichia coli BL21</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>HHHHHHGSGDSATHIKFSKRDEDGKELAGATMELRDSSGKTISTWISDGQVKDFYLYPGKYTFVETAAPDGYEVATAITF
TVNEQGQVTVNGKATKGDAHIGGSGGSGGSGGSMKMEELFKKHKIVAVLRANSVEEAKKKALAVFLGGVHLIEITFTVPD
ADTVIKELSFLKEMGAIIGAGTVTSVEQARKAVESGAEFIVSPHLDEEISQFAKEKGVFYMPGVMTPTELVKAMKLGHTI
LKLFPGEVVGPQFVKAMKGPFPNVKFVPTGGVNLDNVCEWFKAGVLAVGVGSALVKGTPVEVAEKAKAFVEKIRGCTE</string>
                    <external_references type="UNIPROTKB">Q9WXS1</external_references>
                </sequence>
                <ec_number>4.1.2.14</ec_number>
            </protein_or_peptide>
        </macromolecule_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>7.4</ph>
                        <component>
                            <concentration units="mM">300.0</concentration>
                            <formula>NaCl</formula>
                            <name>Sodium Chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">25.0</concentration>
                            <formula>C4H11NO3</formula>
                            <name>Tris</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <material>COPPER</material>
                        <mesh>400</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">30</time>
                            <atmosphere>AIR</atmosphere>
                        </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>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
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                <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_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">5.0</nominal_defocus_max>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
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                                <dimensions>
                                    <width units="pixel">5760</width>
                                    <height units="pixel">4092</height>
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                            </digitization_details>
                            <average_electron_dose_per_image units="e/Å^2">45.0</average_electron_dose_per_image>
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            </microscopy_list>
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                <image_recording_id>1</image_recording_id>
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                    <details>Stochastic Gradient Descent</details>
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                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>I</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">5.3</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>1439</number_images_used>
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                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
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                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
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        </structure_determination>
    </structure_determination_list>
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            <minimum>-0.02850201</minimum>
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        <label>::::EMDATABANK.org::::EMD-50615::::</label>
        <annotation_details>CAP255-gp140 SpyTag-SpyCatcher mi3 masked</annotation_details>
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                    <chain>
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                        <initial_model_type>in silico model</initial_model_type>
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                <refinement_protocol>AB INITIO MODEL</refinement_protocol>
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                <label>::::EMDATABANK.org::::EMD-50615::::</label>
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