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        <sites>
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        <key_dates>
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            <map_release>2024-02-21</map_release>
            <update>2025-12-24</update>
        </key_dates>
        <grant_support>
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                <funding_body>Max Planck Society</funding_body>
                <country>Germany</country>
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        <title>Ubiquitin ligation to neosubstrate by a cullin-RING E3 ligase &amp; Cdc34: NEDD8-CUL2-RBX1-ELOB/C-VHL-MZ1 with trapped UBE2R2~donor UB-BRD4 BD2</title>
        <authors_list>
            <author>Liwocha J</author>
            <author>Prabu JR</author>
            <author>Kleiger G</author>
            <author>Schulman BA</author>
        </authors_list>
        <keywords>CUL2, VHL, ELOBC, BRD4, MZ1, PROTAC, Ubiquitin, Ubiquitin Ligase, Monoubiquitylation, LIGASE, NEDD8, RBX1</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Li J</author>
                    <author order="2">Purser N</author>
                    <author order="3">Liwocha J</author>
                    <author order="4">Scott DC</author>
                    <author order="5">Byers HA</author>
                    <author order="6">Steigenberger B</author>
                    <author order="7">Hill S</author>
                    <author order="8">Tripathi-Giesgen I</author>
                    <author order="9">Hinkle T</author>
                    <author order="10">Hansen FM</author>
                    <author order="11">Prabu JR</author>
                    <author order="12">Radhakrishnan SK</author>
                    <author order="13">Kirkpatrick DS</author>
                    <author order="14">Reichermeier KM</author>
                    <author order="15">Schulman BA</author>
                    <author order="16">Kleiger G</author>
                    <title>Cullin-RING ligases employ geometrically optimized catalytic partners for substrate targeting.</title>
                    <journal_abbreviation>Mol.Cell</journal_abbreviation>
                    <country>US</country>
                    <volume>84</volume>
                    <first_page>1304</first_page>
                    <year>2024</year>
                    <external_references type="PUBMED">38382526</external_references>
                    <external_references type="DOI">doi:10.1016/j.molcel.2024.01.022</external_references>
                    <external_references type="ISSN">1097-2765</external_references>
                    <external_references type="CSD">2168</external_references>
                    <external_references type="ASTM">MOCEFL</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-18207</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Ubiquitin ligation to substrate by a cullin-RING E3 ligase &amp; Cdc34: NEDD8-CUL2-RBX1-ELOB/C-FEM1C with trapped UBE2R2~donor UB-Sil1 peptide, Glacios map</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-18230</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Ubiquitin ligation to substrate by a cullin-RING E3 ligase &amp; Cdc34: NEDD8-CUL2-RBX1-ELOB/C-FEM1C with trapped UBE2R2~donor UB-Sil1 peptide</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>8r5h</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
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                <db_name>EMDB</db_name>
                <accession_id>EMD-18207</accession_id>
                <content_type>other EM volume</content_type>
                <details>Ubiquitin ligation to substrate by a cullin-RING E3 ligase &amp; Cdc34: NEDD8-CUL2-RBX1-ELOB/C-FEM1C with trapped UBE2R2~donor UB-Sil1 peptide, Glacios map</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-18230</accession_id>
                <content_type>other EM volume</content_type>
                <details>Ubiquitin ligation to substrate by a cullin-RING E3 ligase &amp; Cdc34: NEDD8-CUL2-RBX1-ELOB/C-FEM1C with trapped UBE2R2~donor UB-Sil1 peptide</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-18915</accession_id>
                <content_type>associated EM volume</content_type>
                <details>Ubiquitin ligation to neosubstrate by a cullin-RING E3 ligase &amp; Cdc34: NEDD8-CUL2-RBX1-ELOB/C-VHL-MZ1 with trapped UBE2R2~donor UB-BRD4 BD2</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Ubiquitin ligation to neosubstrate by a cullin-RING E3 ligase and Cdc34: NEDD8-CUL2-RBX1-ELOB/C-VHL-MZ1 with trapped UBE2R2~donor UB-BRD4 BD2</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Ubiquitin ligation to neosubstrate by a cullin-RING E3 ligase and Cdc34: NEDD8-CUL2-RBX1-ELOB/C-VHL-MZ1 with trapped UBE2R2~donor UB-BRD4 BD2</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>8</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.19</theoretical>
                </molecular_weight>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="2">
                <name>RING E3 ligase (RBX1) and Cullin-2 (CUL2)</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="3">
                <name>CDC34, NEDD8, ELOB, ELOC, VHL, BRD4  with UBE2R2-donor UB- BRD4 BD2</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>8</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>Cullin-2</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.08709892999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSLKPRVVDFDETWNKLLTTIKAVVMLEYVERATWNDRFSDIYALCVAYPEPLGERLYTETKIFLENHVRHLHKRVLESE
EQVLVMYHRYWEEYSKGADYMDCLYRYLNTQFIKKNKLTEADLQYGYGGVDMNEPLMEIGELALDMWRKLMVEPLQAILI
RMLLREIKNDRGGEDPNQKVIHGVINSFVHVEQYKKKFPLKFYQEIFESPFLTETGEYYKQEASNLLQESNCSQYMEKVL
GRLKDEEIRCRKYLHPSSYTKVIHECQQRMVADHLQFLHAECHNIIRQEKKNDMANMYVLLRAVSTGLPHMIQELQNHIH
DEGLRATSNLTQENMPTLFVESVLEVHGKFVQLINTVLNGDQHFMSALDKALTSVVNYREPKSVCKAPELLAKYCDNLLK
KSAKGMTENEVEDRLTSFITVFKYIDDKDVFQKFYARMLAKRLIHGLSMSMDSEEAMINKLKQACGYEFTSKLHRMYTDM
SVSADLNNKFNNFIKNQDTVIDLGISFQIYVLQAGAWPLTQAPSSTFAIPQELEKSVQMFELFYSQHFSGRKLTWLHYLC
TGEVKMNYLGKPYVAMVTTYQMAVLLAFNNSETVSYKELQDSTQMNEKELTKTIKSLLDVKMINHDSEKEDIDAESSFSL
NMNFSSKRTKFKITTSMQKDTPQEMEQTRSAVDEDRKMYLQAAIVRIMKARKVLRHNALIQEVISQSRARFNPSISMIKK
CIEVLIDKQYIERSQASADEYSYVA</string>
                    <external_references type="UNIPROTKB">Q13617</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>E3 ubiquitin-protein ligase RBX1, N-terminally processed</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011945547</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MDVDTPSGTNSGAGKKRFEVKKWNAVALWAWDIVVDNCAICRNHIMDLCIECQANQASATSEECTVAWGVCNHAFHFHCI
SRWLKTRQVCPLDNREWEFQKYGH</string>
                    <external_references type="UNIPROTKB">P62877</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Ubiquitin-conjugating enzyme E2 R2</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.025853664</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511693">Escherichia coli BL21</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAQQQMTSSQKALMLELKSLQEEPVEGFRITLVDESDLYNWEVAIFGPPNTLYEGGYFKAHIKFPIDYPYSPPTFRFLTK
MWHPNIYENGDVCISILHPPVDDPQSGELPSERWNPTQNVRTILLSVISLLNEPNTFSPANVDASVMFRKWRDSKGKDKE
YAEIIRKQVSATKAEAEKDGVKVPTTLAEYCI(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)</string>
                    <external_references type="UNIPROTKB">Q712K3</external_references>
                </sequence>
                <ec_number>2.3.2.23</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Ubiquitin</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.008519778</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511693">Escherichia coli BL21</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRG</string>
                    <external_references type="UNIPROTKB">P0CG48</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Elongin-C</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.012485135</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511693">Escherichia coli BL21</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MDGEEKTYGGCEGPDAMYVKLISSDGHEFIVKREHALTSGTIKAMLSGPGQFAENETNEVNFREIPSHVLSKVCMYFTYK
VRYTNSSTEIPEFPIAPEIALELLMAANFLDC</string>
                    <external_references type="UNIPROTKB">Q15369</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>Bromodomain-containing protein 4</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013256254</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511693">Escherichia coli BL21</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>KSSKVSEQLKAASGILKEMFAKCHAAYAWPFYKPVDVEALGLHDYADIIKHPMDMSTIKSKLEAREYRDAQEFGADVRLM
FSNAYKYNPPDHEVVAMARKLQDVFEMRFAKMPDE</string>
                    <external_references type="UNIPROTKB">O60885</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>Elongin-B</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013147781</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511693">Escherichia coli BL21</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MDVFLMIRRHKTTIFTDAKESSTVFELKRIVEGILKRPPDEQRLYKDDQLLDDGKTLGECGFTSQTARPQAPATVGLAFR
ADDTFEALCIEPFSSPPELPDVMKPQDSGSSANEQAVQ</string>
                    <external_references type="UNIPROTKB">Q15370</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>von Hippel-Lindau disease tumor suppressor</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.018558162</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511693">Escherichia coli BL21</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MEAGRPRPVLRSVNSREPSQVIFCNRSPRVVLPVWLNFDGEPQPYPTLPPGTGRRIHSYRGHLWLFRDAGTHDGLLVNQT
ELFVPSLNVDGQPIFANITLPVYTLKERCLQVVRSLVKPENYRRLDIVRSLYEDLEDHPNVQKDLERLTQERIAHQRMGD</string>
                    <external_references type="UNIPROTKB">P40337</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="9">
                <name>ZINC ION</name>
                <molecular_weight>
                    <theoretical units="MDa">6.5409e-05</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <formula>ZN</formula>
            </ligand>
            <ligand macromolecule_id="10">
                <name>5-azanylpentan-2-one</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000101147</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>SY8</formula>
            </ligand>
            <ligand macromolecule_id="11">
                <name>(2~{S},4~{R})-1-[(2~{S})-2-[2-[2-[2-[2-[2-[(9~{S})-7-(4-chlorophenyl)-4,5,13-trimethyl-3-thia-1,8,11,12-tetrazatricyclo[8.3.0.0^{2,6}]trideca-2(6),4,7,10,12-pentaen-9-yl]ethanoylamino]ethoxy]ethoxy]ethoxy]ethanoylamino]-3,3-dimethyl-butanoyl]-~{N}-[[4-(4-methyl-2,3-dihydro-1,3-thiazol-5-yl)phenyl]methyl]-4-oxidanyl-pyrrolidine-2-carboxamide</name>
                <molecular_weight>
                    <theoretical units="MDa">0.001002639</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>759</formula>
            </ligand>
        </macromolecule_list>
    </sample>
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