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            <deposition>2025-04-26</deposition>
            <header_release>2025-11-19</header_release>
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            <update>2025-11-26</update>
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        <grant_support>
            <grant_reference>
                <funding_body>Japan Agency for Medical Research and Development (AMED)</funding_body>
                <code>JP24ama121001</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>JP18K05324</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>JP17KK0104</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>JP19H02522</code>
                <country>Japan</country>
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                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>JP24K01267</code>
                <country>Japan</country>
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                <code>JP24KJ1946</code>
                <country>Japan</country>
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                <funding_body>Japan Science and Technology</funding_body>
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                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Other private</funding_body>
                <code>Japan Association for Chemical Innovation (JACI) 8th Research Encouragement Award</code>
                <country>Japan</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of pyrene-modified TIP60 double mutant (G12C/S50C) with addition of Nile Red</title>
        <authors_list>
            <author ORCID="0000-0003-2730-6248">Yamashita M</author>
            <author ORCID="0000-0002-0981-9499">Kawakami N</author>
            <author ORCID="0000-0001-5606-8483">Arai R</author>
            <author ORCID="0000-0003-1539-6696">Ikeda A</author>
            <author>Moriya T</author>
            <author ORCID="0000-0002-5153-928X">Senda T</author>
            <author ORCID="0000-0003-0080-4693">Miyamoto K</author>
        </authors_list>
        <keywords>Artificial designed protein complex, Fusion protein, Protein nanocage, Protein nanoparticle, Pyrene modification, DE NOVO PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0009-0000-3829-193X" order="1">Yamashita M</author>
                    <author ORCID="0000-0002-0981-9499" order="2">Kawakami N</author>
                    <author ORCID="0000-0001-5606-8483" order="3">Arai R</author>
                    <author order="4">Ikeda A</author>
                    <author ORCID="0000-0001-7226-5487" order="5">Moriya T</author>
                    <author ORCID="0000-0002-5153-928X" order="6">Senda T</author>
                    <author order="7">Miyamoto K</author>
                    <title>misteINK: a protein nanocage-based ink with reversible, stimuli-responsive color shifts.</title>
                    <journal_abbreviation>Biomater Sci</journal_abbreviation>
                    <volume>13</volume>
                    <first_page>6652</first_page>
                    <last_page>6661</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">41099093</external_references>
                    <external_references type="DOI">doi:10.1039/d5bm01052g</external_references>
                    <external_references type="ISSN">2047-4849</external_references>
                </journal_citation>
            </primary_citation>
            <secondary_citation>
                <journal_citation published="true">
                    <author ORCID="0009-0000-3829-193X" order="8">Yamashita M</author>
                    <author ORCID="0000-0002-0981-9499" order="9">Kawakami N</author>
                    <author order="10">Miyamoto K</author>
                    <title>Hydrophobization of a TIP60 Protein Nanocage for the Encapsulation of Hydrophobic Compounds.</title>
                    <journal_abbreviation>Chempluschem</journal_abbreviation>
                    <country>DE</country>
                    <year>2023</year>
                    <external_references type="PUBMED">36775805</external_references>
                    <external_references type="DOI">doi:10.1002/cplu.202200392</external_references>
                    <external_references type="ISSN">2192-650</external_references>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </secondary_citation>
            <secondary_citation>
                <journal_citation published="true">
                    <author order="11">Obata J</author>
                    <author ORCID="0000-0002-0981-9499" order="12">Kawakami N</author>
                    <author ORCID="0000-0003-2542-4881" order="13">Tsutsumi A</author>
                    <author order="14">Nasu E</author>
                    <author ORCID="0000-0003-0080-4693" order="15">Miyamoto K</author>
                    <author ORCID="0000-0001-7656-8194" order="16">Kikkawa M</author>
                    <author ORCID="0000-0001-5606-8483" order="17">Arai R</author>
                    <title>Icosahedral 60-meric porous structure of designed supramolecular protein nanoparticle TIP60.</title>
                    <journal_abbreviation>CHEM.COMMUN.(CAMB.)</journal_abbreviation>
                    <country>UK</country>
                    <year>2021</year>
                    <external_references type="PUBMED">34523636</external_references>
                    <external_references type="DOI">doi:10.1039/d1cc03114g</external_references>
                    <external_references type="ISSN">1364-548X</external_references>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </secondary_citation>
            <secondary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-0981-9499" order="18">Kawakami N</author>
                    <author order="19">Kondo H</author>
                    <author order="20">Matsuzawa Y</author>
                    <author order="21">Hayasaka K</author>
                    <author order="22">Nasu E</author>
                    <author order="23">Sasahara K</author>
                    <author ORCID="0000-0001-5606-8483" order="24">Arai R</author>
                    <author ORCID="0000-0003-0080-4693" order="25">Miyamoto K</author>
                    <title>Design of Hollow Protein Nanoparticles with Modifiable Interior and Exterior Surfaces.</title>
                    <journal_abbreviation>Angew.Chem.Int.Ed.Engl.</journal_abbreviation>
                    <country>GE</country>
                    <year>2018</year>
                    <external_references type="PUBMED">30066354</external_references>
                    <external_references type="DOI">doi:10.1002/anie.201805565</external_references>
                    <external_references type="ISSN">1433-7851</external_references>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </secondary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>9uol</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
        <other_db_list>
            <db_reference>
                <db_name>PDB</db_name>
                <accession_id>7EQ9</accession_id>
                <content_type>unspecified</content_type>
                <details>The structure of the original TIP60.</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-64381</accession_id>
                <content_type>associated EM volume</content_type>
                <details>Cryo-EM structure of pyrene-modified TIP60 double mutant (G12C/S50C) with addition of Nile Red</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Pyrene-modified TIP60 double mutant (G12C/S50C) with addition of Nile Red</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Pyrene-modified TIP60 double mutant (G12C/S50C) with addition of Nile Red</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>Pyrene-modified TIP60 (Truncated Icosahedral Protein composed of 60-mer fusion proteins) double mutant (G12C/S50C) with addition of Nile Red</details>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">1.108</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>TIP60 double mutant (G12C/S50C)</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.017856383</theoretical>
                </molecular_weight>
                <number_of_copies>60</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGSSHHHHHHSQDPKNIKIMRLVTCEDIIGNISESQGLITIKKAFVIIPMQATPGKPVQLVLCPWQPYTDDKEIVIDDSK
VITITSPKDDIIKSYESHTRVLENKQVEEILRLEKEIEDLQRMKEQQELSLTEASLQKLQERRDQELRRLEEE</string>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="2">
                <name>N-(1-pyrenyl)maleimide</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000297307</theoretical>
                </molecular_weight>
                <number_of_copies>120</number_of_copies>
                <formula>A1L9F</formula>
            </ligand>
        </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">
                    <concentration units="mg/mL">12.4</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>C4H12ClNO3</formula>
                            <name>Tris-HCl</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>C10H16N2O8</formula>
                            <name>EDTA</name>
                        </component>
                        <details>20 mM Tris-HCl, 1 mM EDTA</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <mesh>300</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY ARRAY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                        </pretreatment>
                        <details>PIB-10 (Vacuum Device Inc.) was used for glow discharge.</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">291</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>Blotting time was 5 seconds (blot force 15). </details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TALOS ARCTICA</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">1.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.5</nominal_defocus_max>
                    <nominal_magnification>92000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_min units="K">77.0</temperature_min>
                        <temperature_max units="K">100.0</temperature_max>
                    </temperature>
                    <software_list>
                        <software>
                            <name>EPU</name>
                        </software>
                    </software_list>
                    <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_grids_imaged>1</number_grids_imaged>
                            <number_real_images>2110</number_real_images>
                            <average_exposure_time units="s">6.02</average_exposure_time>
                            <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>235783</number_selected>
                    <details>Topaz auto-picking</details>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND</name>
                            <version>4.1.14</version>
                        </software>
                    </software_list>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <startup_model type_of_model="OTHER">
                    <details>An ab initio model was generated using RELION4 with variable-metric gradient descent (VDAM) algorithm.</details>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>I</point_group>
                    </applied_symmetry>
                    <algorithm>FOURIER SPACE</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">3.8</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.2</version>
                        </software>
                    </software_list>
                    <number_images_used>22050</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.2</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.2</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>4</number_classes>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>4.0.2</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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            <col>384</col>
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            <alpha units="deg">90.0</alpha>
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                        <initial_model_type>experimental model</initial_model_type>
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                <refinement_protocol>OTHER</refinement_protocol>
                <software_list>
                    <software>
                        <name>Coot</name>
                    </software>
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                <target_criteria>Correlation coefficient</target_criteria>
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                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>384</col>
                    <row>384</row>
                    <sec>384</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>384</x>
                    <y>384</y>
                    <z>384</z>
                </spacing>
                <cell>
                    <a units="Å">425.088</a>
                    <b units="Å">425.088</b>
                    <c units="Å">425.088</c>
                    <alpha units="deg">90.0</alpha>
                    <beta units="deg">90.0</beta>
                    <gamma units="deg">90.0</gamma>
                </cell>
                <axis_order>
                    <fast>X</fast>
                    <medium>Y</medium>
                    <slow>Z</slow>
                </axis_order>
                <statistics>
                    <minimum>-0.004858713</minimum>
                    <maximum>0.017524047</maximum>
                    <average>-0.00016393936</average>
                    <std>0.0015341702</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.107</x>
                    <y units="Å">1.107</y>
                    <z units="Å">1.107</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-64381::::</label>
                <annotation_details>Half map 2, Refine3D, I symmetry, 3.8A resolution</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
