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    <admin>
        <current_status>
            <date>2024-03-27</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-06-12</deposition>
            <header_release>2020-09-16</header_release>
            <map_release>2020-09-16</map_release>
            <update>2024-03-27</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Ministry of Education (Singapore)</funding_body>
                <code>tier2 and tier1</code>
                <country>Singapore</country>
            </grant_reference>
        </grant_support>
        <title>Structure of NLRC4 CARD filament</title>
        <authors_list>
            <author>Gong Q</author>
            <author>Xu C</author>
        </authors_list>
        <keywords>filament, SIGNALING PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Gong Q</author>
                    <author order="2">Robinson K</author>
                    <author order="3">Xu C</author>
                    <author order="4">Huynh PT</author>
                    <author order="5">Chong KHC</author>
                    <author order="6">Tan EYJ</author>
                    <author order="7">Zhang J</author>
                    <author order="8">Boo ZZ</author>
                    <author order="9">Teo DET</author>
                    <author ORCID="0000-0001-8843-5567" order="10">Lay K</author>
                    <author order="11">Zhang Y</author>
                    <author order="12">Lim JSY</author>
                    <author order="13">Goh WI</author>
                    <author order="14">Wright G</author>
                    <author ORCID="0000-0002-0516-6021" order="15">Zhong FL</author>
                    <author ORCID="0000-0002-4070-7997" order="16">Reversade B</author>
                    <author ORCID="0000-0002-0883-8006" order="17">Wu B</author>
                    <title>Structural basis for distinct inflammasome complex assembly by human NLRP1 and CARD8.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>12</volume>
                    <first_page>188</first_page>
                    <last_page>188</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">33420028</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-020-20319-5</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6k8j</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>NLRC4 CARD filament</name>
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                <name>NLRC4 CARD filament</name>
                <parent>0</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>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>NLR family CARD domain-containing protein 4</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011600412</theoretical>
                </molecular_weight>
                <number_of_copies>12</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="83333">Escherichia coli K-12</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GPGVDEALREAQTKSAMNFIKDNSRALIQRMGMTVIKQITDDLFVWNVLNREEVNIICCEKVEQDAARGIIHMILKKGSE
SCNLFLKSLKEWNYPLFQDLN</string>
                    <external_references type="UNIPROTKB">Q9NPP4</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
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            <method>helical</method>
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                    <buffer>
                        <ph>8.0</ph>
                    </buffer>
                    <grid>
                        <material>COPPER</material>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">60</time>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277.15</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</instrument>
                    </vitrification>
                </helical_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <helical_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>DARK 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">1.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.5</nominal_defocus_max>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <digitization_details/>
                            <number_real_images>2109</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">40.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
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                    <resolution units="Å" res_type="BY AUTHOR">3.3</resolution>
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                    <type>NOT APPLICABLE</type>
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        <modelling_list>
            <modelling>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
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