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    <admin>
        <current_status>
            <date>2024-05-29</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-04-14</deposition>
            <header_release>2021-09-29</header_release>
            <map_release>2021-09-29</map_release>
            <update>2024-05-29</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>1R35GM133325</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>T4GALA Engineered Protein Nanocage</title>
        <authors_list>
            <author>Andreas MP</author>
            <author>Jones JA</author>
        </authors_list>
        <keywords>Encapsulin, Nanocage, Nanocompartment, VIRUS LIKE PARTICLE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Jones JA</author>
                    <author order="2">Cristie-David AS</author>
                    <author order="3">Andreas MP</author>
                    <author order="4">Giessen TW</author>
                    <title>Triggered Reversible Disassembly of an Engineered Protein Nanocage*.</title>
                    <journal_abbreviation>Angew.Chem.Int.Ed.Engl.</journal_abbreviation>
                    <country>GE</country>
                    <volume>60</volume>
                    <first_page>25034</first_page>
                    <last_page>25041</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">34532937</external_references>
                    <external_references type="DOI">doi:10.1002/anie.202110318</external_references>
                    <external_references type="ISSN">1521-3773</external_references>
                    <external_references type="CSD">0179</external_references>
                    <external_references type="ASTM">ACIEAY</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7mh2</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>T4GALA Engineered Protein Nanocage</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>T4GALA Engineered Protein Nanocage</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="1221996">Quasibacillus thermotolerans</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>T4GALA Engineered Protein Nanocage</name>
                <natural_source database="NCBI">
                    <organism ncbi="1221996">Quasibacillus thermotolerans</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.035290652</theoretical>
                </molecular_weight>
                <details>Amino Acids 58-83: synthetic GALA peptide insertion; Amino Acids 305-310: Linker; Amino Acids 311-316: Affinity Tag</details>
                <number_of_copies>4</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MNKSQLYPDSPLTDQDFNQLDQTVIEAARRQLVGRRFIELYGPLGRGMQSVFNDIFMESHEGGGEALAEALAEALAEALA
GGGAKMDFQGSFDTEVESSRRVNYTIPMLYKDFVLYWRDLEQSKALDIPIDFSVAANAARDVAFLEDQMIFHGSKEFDIP
GLMNVKGRLTHLIGNWYESGNAFQDIVEARNKLLEMNHNGPYALVLSPELYSLLHRVHKDTNVLEIEHVRELITAGVFQS
PVLKGKSGVIVNTGRNNLDLAISEDFETAYLGEEGMNHPFRVYETVVLRIKRPAAICTLIDPEEGGGGGGHHHHHH</string>
                    <external_references type="UNIPROTKB">A0A0F5HPP7</external_references>
                </sequence>
            </protein_or_peptide>
        </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">0.76</concentration>
                    <buffer>
                        <ph>7.5</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>C11H26N2O6</formula>
                            <name>Bis Tris Propane</name>
                        </component>
                        <component>
                            <concentration units="mM">150.0</concentration>
                            <formula>NaCl</formula>
                            <name>Sodium Chloride</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">60</time>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                        <details>60 seconds, 5 mA</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">295</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>Blot force: 20
Blot time: 4 seconds
Wait time: 0 seconds. </details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>TFS GLACIOS</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">100.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">-1.3</nominal_defocus_min>
                    <nominal_defocus_max units="µm">-1.8</nominal_defocus_max>
                    <nominal_magnification>45000.0</nominal_magnification>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details/>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>1259</number_real_images>
                            <average_exposure_time units="s">8.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">62.0</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>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>6NJ8</pdb_id>
                    </pdb_model>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>I</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.57</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>2.15.00</version>
                            <processing_details>Homogenous Refinement</processing_details>
                        </software>
                    </software_list>
                    <number_images_used>6707</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>2.15.00</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>2.15.00</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="340737">
        <file>emd_23834.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>440</col>
            <row>440</row>
            <sec>440</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>440</x>
            <y>440</y>
            <z>440</z>
        </spacing>
        <cell>
            <a units="Å">617.39996</a>
            <b units="Å">617.39996</b>
            <c units="Å">617.39996</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>-0.5600228</minimum>
            <maximum>1.5971866</maximum>
            <average>0.006595672</average>
            <std>0.102173164</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.4031818</x>
            <y units="Å">1.4031818</y>
            <z units="Å">1.4031818</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.45</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-23834::::</label>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>6NJ8</access_code>
                    <chain>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <details>Model was initially docked in Chimera using Fit to Map command. Chains were manually refined in Coot with rigid body refinement, chain refinement, and iterative real space refinements. ASU was then refined using phenix.real_space_refine with default parameters. NCS operators were applied and refined again with NCS contstraints, global minimization, and ADP refinement.</details>
                <target_criteria>Correlation Coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
                <overall_bvalue>81.219999999999999</overall_bvalue>
            </modelling>
        </modelling_list>
    </interpretation>
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