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        <current_status>
            <date>2024-09-25</date>
            <code>REL</code>
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        <key_dates>
            <deposition>2023-05-23</deposition>
            <header_release>2024-07-03</header_release>
            <map_release>2024-07-03</map_release>
            <update>2024-09-25</update>
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        <grant_support>
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                <funding_body>Not funded</funding_body>
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        </grant_support>
        <title>Density for MetK encapsulated in the GroEL7-GroES7 cage</title>
        <authors_list>
            <author ORCID="0000-0003-0932-7600">Wagner J</author>
            <author ORCID="0000-0001-8671-5688">Caravajal AI</author>
            <author ORCID="0000-0002-1632-7820">Beck F</author>
            <author ORCID="0000-0001-8530-7594">Bracher A</author>
            <author ORCID="0000-0003-2497-3010">Wan W</author>
            <author ORCID="0000-0001-9196-622X">Bohn S</author>
            <author ORCID="0000-0001-9285-9290">Koerner R</author>
            <author ORCID="0000-0002-8366-7622">Fernandez-Busnadiego R</author>
            <author ORCID="0000-0001-8154-8809">Baumeister W</author>
            <author ORCID="0000-0002-7941-135X">Hartl FU</author>
        </authors_list>
        <keywords>Chaperonin, Folding cage, proteostasis, heat shock, ATPase, CHAPERONE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0003-0932-7600" order="1">Wagner J</author>
                    <author order="2">Carvajal AI</author>
                    <author ORCID="0000-0001-8530-7594" order="3">Bracher A</author>
                    <author order="4">Beck F</author>
                    <author ORCID="0000-0003-2497-3010" order="5">Wan W</author>
                    <author ORCID="0000-0001-9196-622X" order="6">Bohn S</author>
                    <author order="7">Korner R</author>
                    <author ORCID="0000-0001-8154-8809" order="8">Baumeister W</author>
                    <author ORCID="0000-0002-8366-7622" order="9">Fernandez-Busnadiego R</author>
                    <author ORCID="0000-0002-7941-135X" order="10">Hartl FU</author>
                    <title>Visualizing chaperonin function in situ by cryo-electron tomography.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <volume>633</volume>
                    <first_page>459</first_page>
                    <last_page>464</last_page>
                    <year>2024</year>
                    <external_references type="PUBMED">39169181</external_references>
                    <external_references type="DOI">doi:10.1038/s41586-024-07843-w</external_references>
                    <external_references type="ISSN">1476-4687</external_references>
                    <external_references type="CSD">0006</external_references>
                    <external_references type="ASTM">NATUAS</external_references>
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        <name>GroEL14-GroES14-MetK2</name>
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            <complex_supramolecule supramolecule_id="1">
                <name>GroEL14-GroES14-MetK2</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>with bound ADP-BeF3 Mg2+ K+</details>
                <natural_source database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">1.03</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>MetK</name>
                <natural_source database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAKHLFTSESVSEGHPDKIADQISDAVLDAILEQDPKARVACETYVKTGMVLVGGEITTS
AWVDIEEITRNTVREIGYVHSDMGFDANSCAVLSAIGKQSPDINQGVDRADPLEQGAGDQ
GLMFGYATNETDVLMPAPITYAHRLVQRQAEVRKNGTLPWLRPDAKSQVTFQYDDGKIVG
IDAVVLSTQHSEEIDQKSLQEAVMEEIIKPILPAEWLTSATKFFINPTGRFVIGGPMGDC
GLTGRKIIVDTYGGMARHGGGAFSGKDPSKVDRSAAYAARYVAKNIVAAGLADRCEIQVS
YAIGVAEPTSIMVETFGTEKVPSEQLTLLVREFFDLRPYGLIQMLDLLHPIYKETAAYGH
FGREHFPWEKTDKAQLLRDAAGLK</string>
                    <external_references type="UNIPROTKB">P0A817</external_references>
                </sequence>
                <ec_number>2.5.1.6</ec_number>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
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            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
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                <single_particle_preparation preparation_id="1">
                    <concentration units="mg/mL">10.3</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>C7H15NO4S</formula>
                            <name>MOPS</name>
                        </component>
                        <component>
                            <concentration units="mM">200.0</concentration>
                            <formula>KCl</formula>
                            <name>Potassium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">10.0</concentration>
                            <formula>MgCl2</formula>
                            <name>Magnesium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">5.0</concentration>
                            <formula>C4H10O2S2</formula>
                            <name>Dithiothreitol</name>
                        </component>
                        <component>
                            <concentration units="mM">30.0</concentration>
                            <formula>NaF</formula>
                            <name>Sodium fluoride</name>
                        </component>
                        <component>
                            <concentration units="mM">5.0</concentration>
                            <formula>BeSO4</formula>
                            <name>Beryllium sulfate</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>C10H16N5O13P3</formula>
                            <name>Adenosine triphosphate</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/1</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>PLASMA CLEANING</type>
                            <time units="s">30</time>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE-PROPANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>5.9 mM n-octyl-beta-D-glucopyranoside were added before vitrification. </details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>OTHER</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.0</nominal_defocus_max>
                    <nominal_magnification>22500.0</nominal_magnification>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">55.0</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="INSILICO MODEL">
                    <insilico_model>CryoSparc ab initio</insilico_model>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.7</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
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                        <software>
                            <name>cryoSPARC</name>
                        </software>
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                    <number_images_used>322880</number_images_used>
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                    <type>MAXIMUM LIKELIHOOD</type>
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                            <version>3.1</version>
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                    <type>MAXIMUM LIKELIHOOD</type>
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                            <version>3.1</version>
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