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    <admin>
        <current_status>
            <date>2025-01-22</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2024-11-07</deposition>
            <header_release>2025-01-15</header_release>
            <map_release>2025-01-15</map_release>
            <update>2025-01-22</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>European Molecular Biology Organization (EMBO)</funding_body>
                <code>ALTF 1031-2021</code>
                <country>European Union</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Alexander von Humboldt Foundation</funding_body>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Natural Sciences and Engineering Research Council (NSERC, Canada)</funding_body>
                <code>PDF-578176-2023</code>
                <country>Canada</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Howard Hughes Medical Institute (HHMI)</funding_body>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Other government</funding_body>
                <code>DE-AC52-07NA27344</code>
            </grant_reference>
        </grant_support>
        <title>Subtomogram average of capsid (CA) from immature Enveloped Delivery Vehicles (EDVs) containing Cas9</title>
        <authors_list>
            <author ORCID="0000-0001-8560-7407">Peukes J</author>
            <author ORCID="0000-0002-5755-2303">Ngo W</author>
            <author ORCID="0000-0001-9816-3681">Nogales E</author>
            <author ORCID="0000-0001-9161-999X">Doudna J</author>
        </authors_list>
        <keywords>Cas9 delivery, Gene editing, EDV, VIRUS LIKE PARTICLE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-5755-2303" order="1">Ngo W</author>
                    <author ORCID="0000-0001-8560-7407" order="2">Peukes J</author>
                    <author order="3">Baldwin A</author>
                    <author ORCID="0009-0008-7846-6616" order="4">Xue ZW</author>
                    <author order="5">Hwang S</author>
                    <author ORCID="0000-0003-4326-4084" order="6">Stickels RR</author>
                    <author ORCID="0000-0001-6662-7330" order="7">Lin Z</author>
                    <author order="8">Satpathy AT</author>
                    <author ORCID="0000-0001-8267-5519" order="9">Wells JA</author>
                    <author ORCID="0000-0001-8615-6409" order="10">Schekman R</author>
                    <author ORCID="0000-0001-9816-3681" order="11">Nogales E</author>
                    <author ORCID="0000-0001-9161-999X" order="12">Doudna JA</author>
                    <title>Mechanism-guided engineering of a minimal biological particle for genome editing.</title>
                    <journal_abbreviation>Proc.Natl.Acad.Sci.USA</journal_abbreviation>
                    <country>US</country>
                    <volume>122</volume>
                    <first_page>e2413519121</first_page>
                    <last_page>e2413519121</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">39793042</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.2413519121</external_references>
                    <external_references type="ISSN">1091-6490</external_references>
                    <external_references type="CSD">0040</external_references>
                    <external_references type="ASTM">PNASA6</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-47743</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-47741</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-47705</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>lentivirus derived envelope delivery vehicle</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>lentivirus derived envelope delivery vehicle</name>
                <parent>0</parent>
                <sci_species_name ncbi="11676">lentivirus derived envelope delivery vehicle</sci_species_name>
                <virus_type>VIRUS-LIKE PARTICLE</virus_type>
                <virus_isolate>OTHER</virus_isolate>
                <virus_enveloped>true</virus_enveloped>
                <virus_empty>false</virus_empty>
            </virus_supramolecule>
            <complex_supramolecule supramolecule_id="2">
                <name>capsid (immature Gag)</name>
                <parent>1</parent>
                <details>The capsid map was generated by subtomogram averaging of the capsid protein density from immature Gag in tomograms of Cas9 containing EDVs that were generated by expressing constructs derived from lentiviral vectors.</details>
                <natural_source database="NCBI">
                    <organism ncbi="11676">lentivirus derived Envelope Delivery Vehicle (EDV)</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                        </support_film>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                    <details>Purified virus like particles also referred to as Enveloped Delivery Vehicles (EDVs) containing Cas9.</details>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_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">2.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">4.5</nominal_defocus_max>
                    <specialist_optics>
                        <details>Tilt series were acquired using a dose-symmetric tilt scheme using the tilt series controller in serialEM.</details>
                    </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>
                            <average_electron_dose_per_image units="e/Å^2">2.92</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>
                    <resolution units="Å" res_type="BY AUTHOR">9.5</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>subTOM</name>
                        </software>
                    </software_list>
                    <number_subtomograms_used>42366</number_subtomograms_used>
                </final_reconstruction>
                <extraction>
                    <number_tomograms>38</number_tomograms>
                    <number_images_used>465070</number_images_used>
                </extraction>
                <final_angle_assignment>
                    <type>OTHER</type>
                    <details>The first 2 euler angles were assigned based on the orientation relative to the membrane. The final in plane rotation was randomized.</details>
                </final_angle_assignment>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_47745.map.gz</file>
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            <space_group>1</space_group>
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            <b units="Å">387.44</b>
            <c units="Å">387.44</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>-0.5966451</minimum>
            <maximum>0.64140147</maximum>
            <average>0.0002600451</average>
            <std>0.070908524</std>
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        <pixel_spacing>
            <x units="Å">3.34</x>
            <y units="Å">3.34</y>
            <z units="Å">3.34</z>
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                <level>0.22</level>
                <source>AUTHOR</source>
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    <interpretation>
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                    <a units="Å">387.44</a>
                    <b units="Å">387.44</b>
                    <c units="Å">387.44</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>
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                    <medium>Y</medium>
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                    <minimum>-0.30892247</minimum>
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                    <average>0.0002456605</average>
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                    <beta units="deg">90.0</beta>
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                    <medium>Y</medium>
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                    <minimum>-0.31493753</minimum>
                    <maximum>0.21757221</maximum>
                    <average>0.00019247431</average>
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                    <y units="Å">3.34</y>
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