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            <deposition>2025-08-12</deposition>
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                <funding_body>Other private</funding_body>
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        <title>Cryo-EM structure of ternary complex BCL6-CRBN-DDB1 with BCL6-760 (LDD, local refined)</title>
        <authors_list>
            <author>Zhu J</author>
            <author>Fang W</author>
            <author>Pagarigan B</author>
        </authors_list>
        <keywords>Cereblon, BCL6, LDD, degrader, E3, LIGASE</keywords>
    </admin>
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        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Shunatona HP</author>
                    <author order="2">Holmberg Douglas N</author>
                    <author order="3">Rhodes J</author>
                    <author order="4">Thomas W</author>
                    <author order="5">Da Silva D</author>
                    <author order="6">Gamez J</author>
                    <author order="7">Groza M</author>
                    <author order="8">Christoforou A</author>
                    <author order="9">Zhu J</author>
                    <author order="10">Johnson S</author>
                    <author order="11">Dodd D</author>
                    <author order="12">Huang D</author>
                    <author order="13">Griffin J</author>
                    <author order="14">Miseo G</author>
                    <author order="15">Whitefield B</author>
                    <author order="16">Weiss D</author>
                    <author order="17">Rader J</author>
                    <author order="18">Kuzu E</author>
                    <author order="19">Leisten J</author>
                    <author order="20">Del Rosario J</author>
                    <author order="21">Shi L</author>
                    <author order="22">Matyskiela M</author>
                    <author order="23">Chamberlain PP</author>
                    <author order="24">Belmont P</author>
                    <author order="25">Alexander M</author>
                    <author order="26">Zapf CW</author>
                    <author order="27">Groocock L</author>
                    <author order="28">Mortensen DS</author>
                    <title>Discovery of Potent and Selective BCL6 Ligand-Directed Degrader (LDD), BCL6-760.</title>
                    <journal_abbreviation>J.Med.Chem.</journal_abbreviation>
                    <country>US</country>
                    <volume>68</volume>
                    <first_page>21502</first_page>
                    <last_page>21519</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">41055242</external_references>
                    <external_references type="DOI">doi:10.1021/acs.jmedchem.5c01645</external_references>
                    <external_references type="ISSN">0022-2623</external_references>
                    <external_references type="CSD">0151</external_references>
                    <external_references type="ASTM">JMCMAR</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
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                <pdb_id>9q03</pdb_id>
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                    <in_frame>FULLOVERLAP</in_frame>
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                <accession_id>EMD-72086</accession_id>
                <content_type>associated EM volume</content_type>
                <details>Cryo-EM structure of ternary complex BCL6-CRBN-DDB1 with BCL6-760 (LDD, local refined)</details>
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        </other_db_list>
    </crossreferences>
    <sample>
        <name>ternary complex of BCL6-CRBN-DDB1 with an LDD BCL6-760</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>ternary complex of BCL6-CRBN-DDB1 with an LDD BCL6-760</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>BCL6 BTB domain and CRBN/DDB1 was mixed with BCL6-760 in 1:1:1 ratio</details>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.162</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>B-cell lymphoma 6 protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.016431863</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GSLDYKDDDDKENLYFQGADSCIQFTRHASDVLLNLNRLRSRDILTDVVIVVSREQFRAHKTVLMACSGLFYSIFTDQLK
CNLSVINLDPEINPEGFCILLDFMYTSRLNLREGNIMAVMATAMYLQMEHVVDTCRKFIKASE</string>
                    <external_references type="UNIPROTKB">P41182</external_references>
                </sequence>
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                    <organism ncbi="9606">Homo sapiens</organism>
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                    <theoretical units="MDa">0.05358198399999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSYYHHHHHHDYDIPTTGLVPRGSMMAGEGDQQDAAHNMGNHLPLLPAESEEEDEMEVEDQDSKEAKKPNIINFDTSLPT
SHTYLGADMEEFHGRTLHDDDSCQVIPVLPQVMMILIPGQTLPLQLFHPQEVSMVRNLIQKDRTFAVLAYSNVQEREAQF
GTTAEIYAYREEQDFGIEIVKVKAIGRQRFKVLELRTQSDGIQQAKVQILPECVLPSTMSAVQLESLNKCQIFPSKPVSR
EDQCSYKWWQKYQKRKFHCANLTSWPRWLYSLYDAETLMDRIKKQLREWDENLKDDSLPSNPIDFSYRVAACLPIDDVLR
IQLLKIGSAIQRLRCELDIMNKCTSLCCKQCQETEITTKNEIFSLSLCGPMAAYVNPHGYVHETLTVYKACNLNLIGRPS
TEHSWFPGYAWTVAQCKICASHIGWKFTATKKDMSPQKFWGLTRSALLPTIPDTEDEISPDKVILCL</string>
                    <external_references type="UNIPROTKB">Q96SW2</external_references>
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                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>ZN</formula>
            </ligand>
            <ligand macromolecule_id="4">
                <name>(3R)-3-(6-{4-[(5-chloro-4-{[3-(3-hydroxy-3-methylbutyl)-1-methyl-2-oxo-2,3-dihydro-1H-1,3-benzimidazol-5-yl]amino}pyrimidin-2-yl)(methyl)amino]piperidin-1-yl}-1-methyl-1H-indazol-3-yl)piperidine-2,6-dione</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000715244</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>A1CM7</formula>
            </ligand>
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                            <name>Lauryl Maltose Neopentyl Glycol</name>
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                            <type>GLOW DISCHARGE</type>
                            <time units="s">30</time>
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                        <cryogen_name>ETHANE</cryogen_name>
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