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            <date>2021-09-01</date>
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            <last_processing>RCSB</last_processing>
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        <key_dates>
            <deposition>2021-05-28</deposition>
            <header_release>2021-09-01</header_release>
            <map_release>2021-09-01</map_release>
            <update>2021-09-01</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R01GM080139</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Classification of ribosome assembly intermediates</title>
        <authors_list>
            <author>Chen M</author>
            <author>Ludtke SJ</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Chen M</author>
                    <author order="2">Ludtke SJ</author>
                    <title>Deep learning-based mixed-dimensional Gaussian mixture model for characterizing variability in cryo-EM.</title>
                    <journal_abbreviation>Nat.Methods</journal_abbreviation>
                    <country>US</country>
                    <volume>18</volume>
                    <first_page>930</first_page>
                    <last_page>936</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">34326541</external_references>
                    <external_references type="DOI">doi:10.1038/s41592-021-01220-5</external_references>
                    <external_references type="ISSN">1548-7105</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
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                    <other>associated EM volume</other>
                </relationship>
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    </crossreferences>
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            </specimen_preparation_list>
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