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        <sites>
            <deposition>RCSB</deposition>
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            <deposition>2024-08-16</deposition>
            <header_release>2024-10-16</header_release>
            <map_release>2024-10-16</map_release>
            <update>2025-05-14</update>
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        <grant_support>
            <grant_reference>
                <funding_body>Not funded</funding_body>
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        <title>Infectious B19V capsid</title>
        <authors_list>
            <author>Lee H</author>
            <author>Hafenstein S</author>
        </authors_list>
        <keywords>B19, Virion, Capsid, PROTEIN BINDING</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-5428-8594" order="1">Lee H</author>
                    <author order="2">Assaraf R</author>
                    <author order="3">Subramanian S</author>
                    <author ORCID="0000-0002-6052-7141" order="4">Goetschius D</author>
                    <author ORCID="0000-0001-8401-8002" order="5">Bieri J</author>
                    <author order="6">DiNunno NM</author>
                    <author order="7">Leisi R</author>
                    <author order="8">Bator CM</author>
                    <author ORCID="0000-0003-2609-4036" order="9">Hafenstein SL</author>
                    <author ORCID="0000-0002-6964-4002" order="10">Ros C</author>
                    <title>Infectious parvovirus B19 circulates in the blood coated with active host protease inhibitors.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>15</volume>
                    <first_page>9543</first_page>
                    <last_page>9543</last_page>
                    <year>2024</year>
                    <external_references type="PUBMED">39500886</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-024-53794-1</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>9d7k</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Human parvovirus B19 with Serpin A3</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Human parvovirus B19 with Serpin A3</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
            </complex_supramolecule>
            <virus_supramolecule supramolecule_id="2">
                <name>Human parvovirus B19</name>
                <parent>1</parent>
                <sci_species_name ncbi="10798">Human parvovirus B19</sci_species_name>
                <virus_type>VIRION</virus_type>
                <virus_isolate>SEROTYPE</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>false</virus_empty>
            </virus_supramolecule>
            <complex_supramolecule supramolecule_id="3">
                <name>Serpin A3</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Alpha-1-antichymotrypsin</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.047701667999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MERMLPLLALGLLAAGFCPAVLCHPNSPLDEENLTQENQDRGTHVDLGLASANVDFAFSLYKQLVLKAPDKNVIFSPLSI
STALAFLSLGAHNTTLTEILKGLKFNLTETSEAEIHQSFQHLLRTLNQSSDELQLSMGNAMFVKEQLSLLDRFTEDAKRL
YGSEAFATDFQDSAAAKKLINDYVKNGTRGKITDLIKDLDSQTMMVLVNYIFFKAKWEMPFDPQDTHQSRFYLSKKKWVM
VPMMSLHHLTIPYFRDEELSCTVVELKYTGNASALFILPDQDKMEEVEAMLLPETLKRWRDSLEFREIGELYLPKFSISR
DYNLNDILLQLGIEEAFTSKADLSGITGARNLAVSQVVHKAVLDVFEEGTEASAATAVKITLLSALVETRTIVRFNRPFL
MIIVPTDTQNIFFMSKVTNPKQA</string>
                    <external_references type="UNIPROTKB">P01011</external_references>
                </sequence>
            </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>7.0</ph>
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                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
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                <single_particle_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_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.0</nominal_defocus_max>
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                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI FALCON III (4k x 4k)</film_or_detector_model>
                            <detector_mode>INTEGRATING</detector_mode>
                            <average_electron_dose_per_image units="e/Å^2">100.0</average_electron_dose_per_image>
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                <image_recording_id>1</image_recording_id>
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                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
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                <startup_model type_of_model="INSILICO MODEL"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">3.0</resolution>
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                <level>0.1</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-46607::::</label>
        <annotation_details>DeepEMhancer sharpened map of the serpinA3 bound to B19V capsid.</annotation_details>
    </map>
    <interpretation>
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                <label>::::EMDATABANK.org::::EMD-46607::::</label>
                <annotation_details>Half map-1 of the serpinA3 bound to B19V capsid.</annotation_details>
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                    <minimum>-2.3576026</minimum>
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                <label>::::EMDATABANK.org::::EMD-46607::::</label>
                <annotation_details>Half map-2 of the serpinA3 bound to B19V capsid.</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
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