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    <admin>
        <current_status>
            <date>2026-09-23</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <revision_history>
            <revision version="1.0" date="2026-09-23">
                <change_list>
                    <model>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </model>
                    <metadata>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </metadata>
                </change_list>
            </revision>
        </revision_history>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2026-09-09</deposition>
            <header_release>2026-09-23</header_release>
            <map_release>2026-09-23</map_release>
            <update>2026-09-23</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>R01AI190168</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R01GM124204</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>AAV2 Rep68(delta1-209)/capsid/DNA complex</title>
        <authors_list>
            <author>Kaelber JT</author>
            <author>Barnakov V</author>
            <author>Shen J</author>
            <author>Escalante CR</author>
        </authors_list>
        <keywords>virion, replicase, VIRUS</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author ORCID="0000-0001-9426-1030" order="1">Kaelber JT</author>
                    <author ORCID="0000-0001-7463-2455" order="2">Barnakov V</author>
                    <author ORCID="0000-0001-8447-9378" order="3">Shen J</author>
                    <author order="4">Hernandez K</author>
                    <author ORCID="0009-0001-0145-8246" order="5">Tarbox HJ</author>
                    <author order="6">Khan A</author>
                    <author ORCID="0000-0001-5648-3361" order="7">Escalante CR</author>
                    <title>Insights into the AAV packaging mechanism: Cryo-EM Structure of the AAV2 Rep-Capsid Packaging Complex</title>
                    <journal_abbreviation>To Be Published</journal_abbreviation>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-76510</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>analogous experiment with crosslinked protein &amp; absent DNA</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>38ok</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
        <other_db_list>
            <db_reference>
                <db_name>PDB</db_name>
                <accession_id>12KG</accession_id>
                <content_type>unspecified</content_type>
                <details>analogous experiment with crosslinked protein &amp; absent DNA</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-76510</accession_id>
                <content_type>other EM volume</content_type>
                <details>analogous experiment with crosslinked protein &amp; absent DNA</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-79003</accession_id>
                <content_type>associated EM volume</content_type>
                <details>AAV2 Rep68(delta1-209)/capsid/DNA complex</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>adeno-associated virus 2</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>adeno-associated virus 2</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <sci_species_name ncbi="10804">adeno-associated virus 2</sci_species_name>
                <sci_species_strain>Srivastava/1982</sci_species_strain>
                <natural_host database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_host>
                <molecular_weight>
                    <theoretical units="MDa">6.2</theoretical>
                </molecular_weight>
                <virus_shell shell_id="1">
                    <diameter units="Å">280.0</diameter>
                    <triangulation>1</triangulation>
                </virus_shell>
                <virus_type>VIRUS-LIKE PARTICLE</virus_type>
                <virus_isolate>STRAIN</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>true</virus_empty>
            </virus_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Protein Rep68</name>
                <natural_source database="NCBI">
                    <organism ncbi="648242">Adeno-associated virus 2 Srivastava/1982</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.031403645</theoretical>
                </molecular_weight>
                <details>Deletion construct lacking residues 1-209 from AAV2 rep68</details>
                <number_of_copies>6</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>APVIRSKTSARYMELVGWLVDKGITSEKQWIQEDQASYISFNAASNSRSQIKAALDNAGKIMSLTKTAPDYLVGQQPVED
ISSNRIYKILELNGYDPQYAASVFLGWATKKFGKRNTIWLFGPATTGKTNIAEAIAHTVPFYGCVNWTNENFPFNDCVDK
MVIWWEEGKMTAKVVESAKAILGGSKVRVDQKCKSSAQIDPTPVIVTSNTNMCAVIDGNSTTFEHQQPLQDRMFKFELTR
RLDHDFGKVTKQEVKDFFRWAKDHVVEVEHEFYVKKGG</string>
                    <external_references type="UNIPROTKB">P03132</external_references>
                </sequence>
                <ec_number>3.6.4.12</ec_number>
            </protein_or_peptide>
            <dna macromolecule_id="2">
                <name>ssDNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.001215713</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>(DN)(DN)(DN)(DN)(DN)(DN)(DN)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <protein_or_peptide macromolecule_id="3">
                <name>Capsid protein VP1</name>
                <natural_source database="NCBI">
                    <organism ncbi="648242">Adeno-associated virus 2 Srivastava/1982</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.058027894999999996</theoretical>
                </molecular_weight>
                <number_of_copies>5</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GNWHCDSTWMGDRVITTSTRTWALPTYNNHLYKQISSQSGASNDNHYFGYSTPWGYFDFNRFHCHFSPRDWQRLINNNWG
FRPKRLNFKLFNIQVKEVTQNDGTTTIANNLTSTVQVFTDSEYQLPYVLGSAHQGCLPPFPADVFMVPQYGYLTLNNGSQ
AVGRSSFYCLEYFPSQMLRTGNNFTFSYTFEDVPFHSSYAHSQSLDRLMNPLIDQYLYYLSRTNTPSGTTTQSRLQFSQA
GASDIRDQSRNWLPGPCYRQQRVSKTSADNNNSEYSWTGATKYHLNGRDSLVNPGPAMASHKDDEEKFFPQSGVLIFGKQ
GSEKTNVDIEKVMITDEEEIRTTNPVATEQYGSVSTNLQRGNRQAATADVNTQGVLPGMVWQDRDVYLQGPIWAKIPHTD
GHFHPSPLMGGFGLKHPPPQILIKNTPVPANPSTTFSAAKFASFITQYSTGQVSVEIEWELQKENSKRWNPEIQYTSNYN
KSVNVDFTVDTNGVYSEPRPIGTRYLTRNL</string>
                    <external_references type="UNIPROTKB">P03135</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="4">
                <name>ADENOSINE-5'-DIPHOSPHATE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000427201</theoretical>
                </molecular_weight>
                <number_of_copies>8</number_of_copies>
                <formula>ADP</formula>
            </ligand>
            <ligand macromolecule_id="5">
                <name>PYROPHOSPHATE 2-</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000175959</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>POP</formula>
            </ligand>
            <ligand macromolecule_id="6">
                <name>MAGNESIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">2.4305e-05</theoretical>
                </molecular_weight>
                <number_of_copies>10</number_of_copies>
                <formula>MG</formula>
            </ligand>
            <ligand macromolecule_id="7">
                <name>PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0005232469999999999</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>AGS</formula>
            </ligand>
        </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">137.0</concentration>
                            <formula>NaCl</formula>
                            <name>sodium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">2.7</concentration>
                            <formula>KCl</formula>
                            <name>potassium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">10.0</concentration>
                            <formula>Na2HPO4</formula>
                            <name>sodium phosphate dibasic</name>
                        </component>
                        <component>
                            <concentration units="mM">1.8</concentration>
                            <formula>KH2PO4</formula>
                            <name>potassium phosphate monobasic</name>
                        </component>
                        <component>
                            <concentration units="mM">5.0</concentration>
                            <formula>MgCl2</formula>
                            <name>magnesium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">5.0</concentration>
                            <formula>C10H12N5O12P3S</formula>
                            <name>ATPgammaS</name>
                        </component>
                        <details>PBS plus ATPgammaS and MgCl2</details>
                    </buffer>
                    <grid>
                        <model>UltrAuFoil R2/2</model>
                        <material>GOLD</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>GOLD</film_material>
                            <film_topology>HOLEY ARRAY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">300</time>
                            <atmosphere>AIR</atmosphere>
                            <pressure units="kPa">0.039</pressure>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">95</chamber_humidity>
                        <chamber_temperature units="K">297</chamber_temperature>
                        <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>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.6</nominal_defocus_min>
                    <calibrated_defocus_min units="µm">0.4</calibrated_defocus_min>
                    <nominal_defocus_max units="µm">1.6</nominal_defocus_max>
                    <calibrated_defocus_max units="µm">2.5</calibrated_defocus_max>
                    <nominal_magnification>130000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Bioquantum</name>
                            <slit_width units="eV">10</slit_width>
                        </energy_filter>
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                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (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>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>21603</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">64.96</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
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                <image_recording_id>1</image_recording_id>
                <particle_selection>
                    <number_selected>73031</number_selected>
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                <ctf_correction>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>4.5.3</version>
                        </software>
                    </software_list>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <startup_model type_of_model="OTHER">
                    <details>3D reconstruction of similar map, undeposited</details>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <algorithm>FOURIER SPACE</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">2.93</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
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                            <version>4.5.3</version>
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                    </software_list>
                    <details>symmetry-expanded particles post-classification</details>
                    <number_images_used>249955</number_images_used>
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                <initial_angle_assignment>
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                    <projection_matching_processing/>
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                    <a units="Å">487.62</a>
                    <b units="Å">487.62</b>
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                    <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>-0.7644148</minimum>
                    <maximum>0.902142</maximum>
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                    <x units="Å">0.645</x>
                    <y units="Å">0.645</y>
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                <contour_list>
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                        <source>AUTHOR</source>
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                <label>::::EMDATABANK.org::::EMD-79003::::</label>
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        </half_map_list>
    </interpretation>
</emd>
