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    <admin>
        <current_status>
            <date>2024-05-08</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2023-02-07</deposition>
            <header_release>2023-12-20</header_release>
            <map_release>2023-12-20</map_release>
            <update>2024-05-08</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Research Foundation (NRF, Korea)</funding_body>
                <country>Korea, Republic Of</country>
            </grant_reference>
        </grant_support>
        <title>The focused refinement of CCT4-PhLP2A from TRiC-PhLP2A complex in the open state</title>
        <authors_list>
            <author>Roh SH</author>
            <author>Park J</author>
            <author>Kim H</author>
            <author>Lim S</author>
        </authors_list>
        <keywords>chaperonin complex, CHAPERONE, cochaperone</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-7569-7653" order="1">Park J</author>
                    <author order="2">Kim H</author>
                    <author order="3">Gestaut D</author>
                    <author order="4">Lim S</author>
                    <author ORCID="0000-0002-4059-9746" order="5">Opoku-Nsiah KA</author>
                    <author ORCID="0000-0003-4126-0725" order="6">Leitner A</author>
                    <author ORCID="0000-0003-2302-6943" order="7">Frydman J</author>
                    <author ORCID="0000-0003-3851-7200" order="8">Roh SH</author>
                    <title>A structural vista of phosducin-like PhLP2A-chaperonin TRiC cooperation during the ATP-driven folding cycle.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>15</volume>
                    <first_page>1007</first_page>
                    <last_page>1007</last_page>
                    <year>2024</year>
                    <external_references type="PUBMED">38307855</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-024-45242-x</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-35199</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>CCT3-PhLP2A</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-35122</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>closed TRiC-PhLP2A</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-35284</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>open TRiC-PhLP2A</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-35335</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>closed TRiC-PhLP2A-actin</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>8i9q</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Complex of human TRiC/CCT-PhLP2A</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Complex of human TRiC/CCT-PhLP2A</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <molecular_weight>
                    <theoretical units="MDa">1</theoretical>
                </molecular_weight>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="2">
                <name>T-complex protein 1 subunit delta from human TRiC/CCT complex</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>
            <complex_supramolecule supramolecule_id="3">
                <name>PhLP2A (PDCL3)</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>2</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>T-complex protein 1 subunit delta</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.057996112999999995</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>MPENVAPRSGATAGAAGGRGKGAYQDRDKPAQIRFSNISAAKAVADAIRTSLGPKGMDKMIQDGKGDVTITNDGATILKQ
MQVLHPAARMLVELSKAQDIEAGDGTTSVVIIAGSLLDSCTKLLQKGIHPTIISESFQKALEKGIEILTDMSRPVELSDR
ETLLNSATTSLNSKVVSQYSSLLSPMSVNAVMKVIDPATATSVDLRDIKIVKKLGGTIDDCELVEGLVLTQKVSNSGITR
VEKAKIGLIQFCLSAPKTDMDNQIVVSDYAQMDRVLREERAYILNLVKQIKKTGCNVLLIQKSILRDALSDLALHFLNKM
KIMVIKDIEREDIEFICKTIGTKPVAHIDQFTADMLGSAELAEEVNLNGSGKLLKITGCASPGKTVTIVVRGSNKLVIEE
AERSIHDALCVIRCLVKKRALIAGGGAPEIELALRLTEYSRTLSGMESYCVRAFADAMEVIPSTLAENAGLNPISTVTEL
RNRHAQGEKTAGINVRKGGISNILEELVVQPLLVSVSALTLATETVRSILKIDDVVNTR</string>
                    <external_references type="UNIPROTKB">P50991</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Phosducin-like protein 3</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.027650383</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MQDPNADTEWNDILRKKGILPPKESLKELEEEAEEEQRILQQSVVKTYEDMTLEELEDHEDEFNEEDERAIEMYRRRRLA
EWKATKLKNKFGEVLEISGKDYVQEVTKAGEGLWVILHLYKQGIPLCALINQHLSGLARKFPDVKFIKAISTTCIPNYPD
RNLPTIFVYLEGDIKAQFIGPLVFGGMNLTRDELEWKLSESGAIMTDLEENPKKPIEDVLLSSVRRSVLMKRDSDSEGD</string>
                    <external_references type="UNIPROTKB">Q9H2J4</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>twoDArray</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>7.4</ph>
                        <component>
                            <concentration units="mM">50.0</concentration>
                            <formula>NaCl</formula>
                            <name>sodium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>C4H10O2S2</formula>
                            <name>DTT</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <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_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">1.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.0</nominal_defocus_max>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI FALCON IV (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">4096</width>
                                    <height units="pixel">4096</height>
                                </dimensions>
                            </digitization_details>
                            <number_real_images>15075</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">50.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <particle_selection>
                    <number_selected>2691733</number_selected>
                    <details>The initial particle selection after 2D class classification</details>
                </particle_selection>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>6NRA</pdb_id>
                    </pdb_model>
                    <details>The model of TRiC/CCT complex from the previous study</details>
                </startup_model>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">4.22</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>3.2.0</version>
                        </software>
                    </software_list>
                    <number_images_used>485964</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>3.2.0</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>3.2.0</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>5</number_classes>
                    <average_number_members_per_class>500000.0</average_number_members_per_class>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>3.2.0</version>
                        </software>
                    </software_list>
                    <details>The final 3D classification</details>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="131073">
        <file>emd_35280.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
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            <row>320</row>
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            <a units="Å">361.6</a>
            <b units="Å">361.6</b>
            <c units="Å">361.6</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
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            <medium>Y</medium>
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            <average>0.0032142631</average>
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            <y units="Å">1.13</y>
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        <label>::::EMDATABANK.org::::EMD-35280::::</label>
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                    <chain>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <refinement_space>REAL</refinement_space>
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        <half_map_list>
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                <file>emd_35280_half_map_2.map.gz</file>
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                    <b units="Å">361.6</b>
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                    <medium>Y</medium>
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                    <minimum>-1.7857604</minimum>
                    <maximum>2.880593</maximum>
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                    <std>0.056802057</std>
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                    <y units="Å">1.13</y>
                    <z units="Å">1.13</z>
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                <label>::::EMDATABANK.org::::EMD-35280::::</label>
                <annotation_details>A focused refined half map of CCT4-PhLP2A</annotation_details>
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                    <c units="Å">361.6</c>
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                    <beta units="deg">90.0</beta>
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                    <medium>Y</medium>
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