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    <admin>
        <current_status>
            <date>2023-09-27</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2023-02-06</deposition>
            <header_release>2023-02-22</header_release>
            <map_release>2023-02-22</map_release>
            <update>2023-09-27</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Swedish Research Council</funding_body>
                <code>VR- 2015-04512 and 2019-04124</code>
                <country>Sweden</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Swedish Research Council</funding_body>
                <code>VR-2016-06301</code>
                <country>Sweden</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Knut and Alice Wallenberg Foundation</funding_body>
                <code>31001512</code>
                <country>Sweden</country>
            </grant_reference>
        </grant_support>
        <title>Low-resolution cryo-EM structure of the NorQD chaperone complex from Paracoccus denitrificans</title>
        <authors_list>
            <author>Adelroth P</author>
            <author>Carroni M</author>
            <author>Kahle M</author>
            <author>Appelgren S</author>
            <author>Elofsson A</author>
        </authors_list>
        <keywords>MoxR AAA+ and VWA domain proteins, CHAPERONE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Kahle M</author>
                    <author order="2">Appelgren S</author>
                    <author order="3">Elofsson A</author>
                    <author order="4">Carroni M</author>
                    <author ORCID="0000-0003-0853-6785" order="5">Adelroth P</author>
                    <title>Insights into the structure-function relationship of the NorQ/NorD chaperones from Paracoccus denitrificans reveal shared principles of interacting MoxR AAA+/VWA domain proteins.</title>
                    <journal_abbreviation>Bmc Biol.</journal_abbreviation>
                    <country>UK</country>
                    <volume>21</volume>
                    <first_page>47</first_page>
                    <last_page>47</last_page>
                    <year>2023</year>
                    <external_references type="PUBMED">36855050</external_references>
                    <external_references type="DOI">doi:10.1186/s12915-023-01546-w</external_references>
                    <external_references type="ISSN">1741-7007</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>NorQD complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>NorQD complex</name>
                <parent>0</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="266">Paracoccus denitrificans</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Pd. NorQ</name>
                <natural_source database="NCBI">
                    <organism ncbi="266">Paracoccus denitrificans</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MASNAHVKTQGNGAVDAPFYLPQGDEVAVFEAAAANDLPVLLKGPTGCGKTRFVAHMAARLG
RPLYTVACHDDLSAADLIGRYLLKGGETVWTDGPLTRAVREGAICYLDEVVEARKDVTVV
LHPLTDDRRILPIDRTGEEIEAAPGFMLVASYNPGYQNILKTLKPSTRQRFVAMEFDFPE
PAREVEIVARESGLDRDRTLGLVRLAGKIRGLKGQDLEEGVSTRLVVYAASLTRRGMNLD
RAIEAAMIEPLTDDAEVKRGLRDLAAAIFG</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Pd. NorD</name>
                <natural_source database="NCBI">
                    <organism ncbi="266">Paracoccus denitrificans</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MHHHHHHSRGLDLEPWEPEE
TVGKIWHVWASSFGAPQAFE
DQAVALSEVSGRLAVLFRAL
GGGAAVEIRPAAVQASHHRI
GWLRRLGTPAETVPHASFDG
EILRLPERLSVLPSRQANGA
LFLWLAACAAHGSLAPAQGD
PLCRDLVRLGAAQRAVEATL
QDAPGLTGLYDDLAELVLSL
RPVAPLPPAEAVVEALARHL
LGDPAPLPPLARDWLAMLDD
PQVKAPRDYRPMRPVPLWPD
LALPETTLAAAPGDAPDGIA
ADPANARMFRARRRQSDQPQ
RRDSLILHKFEALLSWADLM
NLNRHVDDDDQDDAKKAAED
QEELGLGQVSKAPATRLRLH
LDLAPEDADLEAVAGIRTYP
EWDARRGRYLAHHVRVLENR
APEHDEALTPDPRAQTRIRA
VRRQFEALRPGRLITTGHRD
GDELDAELTVRAAADLRATG
QGSDRIWRQSRPLARNLAVS
ILLDVSRSTESAVTGRAVIE
IEREALAALAWGLDACGDRF
AINAFSSLKRDRVFLSACKD
FDEPMGAAIERRIAGLRPRF
YTRLGAGIRHASAGLSAQAS
SRRLLLVITDGKPNDLDHYE
GRHGIEDSAMAVREARRAGH
AVHGITVDRDAKSWFPRIFG
QGGFSLIPHPDRLLAALPVI
YRQLVA</string>
                </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">1</concentration>
                    <buffer>
                        <ph>8.0</ph>
                        <details>50mM TRIS/HCl, 150 mM NaCl, 10% glycerol</details>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277.15</chamber_temperature>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>TFS 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>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.8</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.0</nominal_defocus_max>
                    <nominal_magnification>105000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <zemlin_tableau/>
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Bioquantum</name>
                            <slit_width units="eV">20</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">25.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
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                <image_recording_id>1</image_recording_id>
                <startup_model type_of_model="NONE"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">5.09</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>507400</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>OTHER</type>
                    <details>SGD</details>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <label>::::EMDATABANK.org::::EMD-16655::::</label>
        <annotation_details>Structure of the NorQD complex from Paracoccus denitrificans</annotation_details>
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