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        <sites>
            <deposition>RCSB</deposition>
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        <key_dates>
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            <header_release>2026-08-05</header_release>
            <map_release>2026-08-05</map_release>
            <update>2026-08-12</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R35GM138348</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Welch Foundation</funding_body>
                <code>F-1938-20200401</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>American Cancer Society</funding_body>
                <code>RSG-21-050-01-DMC</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Type IV-A1 CRISPR effector complex bound to dsDNA and CasDinG - locked state</title>
        <authors_list>
            <author>Kiernan KA</author>
            <author>Taylor DW</author>
        </authors_list>
        <keywords>CRISPR, transcriptional regulation, helicase, DNA BINDING PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author ORCID="0000-0001-5725-7833" order="1">Kiernan KA</author>
                    <author ORCID="0000-0002-6198-1194" order="2">Taylor DW</author>
                    <title>Locked and loaded: mechanisms of CasDinG recruitment to the type IV-A1 CRISPR effector complex</title>
                    <journal_abbreviation>To Be Published</journal_abbreviation>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-48861</emdb_id>
                <relationship>
                    <other>consensus EM volume</other>
                </relationship>
                <details>consensus map of locked state</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-48862</emdb_id>
                <relationship>
                    <other>focused EM volume</other>
                </relationship>
                <details>focused map of locked state</details>
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                <pdb_id>9n3z</pdb_id>
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                    <in_frame>FULLOVERLAP</in_frame>
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        </pdb_list>
        <other_db_list>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-48861</accession_id>
                <content_type>consensus EM volume</content_type>
                <details>consensus map of locked state</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-48862</accession_id>
                <content_type>focused EM volume</content_type>
                <details>focused map of locked state</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-48863</accession_id>
                <content_type>associated EM volume</content_type>
                <details>Type IV-A1 CRISPR effector complex bound to dsDNA and CasDinG - locked state</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Type IV-A1 effector complex bound to CasDinG (locked state)</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Type IV-A1 effector complex bound to CasDinG (locked state)</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>8</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="287">Pseudomonas aeruginosa</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>CRISPR type AFERR-associated protein Csf1 (Cas8)</name>
                <natural_source database="NCBI">
                    <organism ncbi="287">Pseudomonas aeruginosa</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.027036002</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MRYPSDIVDQVLKAGPDKGLLTWEGVDAACSHCSRPIQNGDLYSPSSVGAFFSDTRDLASTSRSICWRCVVLRKKPMLYG
LSAAVVTQDGIYSISKDVNKAWLFTTPPPAPFLVVHSSSTMQHLSWRTPVTLDNRRIHVRYGPNLFIVRPEVVRKALSIA
DRVNEGQKKWVTPVYFDRKAAAMGHGLITRAGAEMLTQEEQEFFQSVTPGERWALSYLMHSKRPEPEVGECITEKVMTSL
N</string>
                    <external_references type="UNIPROTKB">A0AAB0B1U3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>CCRISPR type AFERR-associated protein Csf3 (Cas5)</name>
                <natural_source database="NCBI">
                    <organism ncbi="287">Pseudomonas aeruginosa</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.024421953</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MVNLKVTIDLSNPMMEPGDLLHLDALLGALRVSRARAEHGDAINPRDYHYDLPLERYQAPSGDWVFKASAFKLKRQLPNQ
MWMQTGRLSIVEAARHRQSGYLQLRAGKPNPAGGPFKTSIYHRPIVQAELTAFCVGDQQGIEALLSECRQIGGKRGVGFG
QVAGFKVEPVAETDCPWSWRALPADADPRLVTSEHARCIAAIRGPYWDRTLHVEALAPTP</string>
                    <external_references type="UNIPROTKB">A0AAB0B1V2</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>CRISPR type AFERR-associated protein Csf2 (Cas7)</name>
                <natural_source database="NCBI">
                    <organism ncbi="287">Pseudomonas aeruginosa</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.038623707</theoretical>
                </molecular_weight>
                <number_of_copies>5</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MWSHPQFEKGAMQIEVTVRNITPIFSAAPGSNYITIDGTINPPPGVSRFPLVRTRMMYVAADVGDGVIKSVPLQIVPGNT
MRSLLRRTMLKHVIEPALVEKGNKLSIGAYATAYSGNATGNPDGVPSSFDEIATMRAHPFIGLFGGGPRMLEGRLMVDSL
YPIHTNAERILGAGYENEMMSGPITQVVWARRMDPILNLGSSEDVEVINGGAVAANGWIQDLLANSKAAASKKKKAAADE
DESDGAAEENGRGLKAFNAHEVVIPGLKWVWRISLDRPTDAQVGLVLLALNKMTNERIAGGHSKDYGRFVIDGVSLNGEQ
VWSQSGITGGEQYFDAVAEAIDGLSSKEFEQFAQSAKEA</string>
                    <external_references type="UNIPROTKB">A0AAB0B1V3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>CRISPR type AFERR-associated protein Csf5 (Cas6)</name>
                <natural_source database="NCBI">
                    <organism ncbi="287">Pseudomonas aeruginosa</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.025398381</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFVKQVFFDLGARIHADEARALVAKLLDDTQPGLVSALMNYMPASKTSKTEFPLVQFSNFNQGFALLGFGEVGAQILSDA
TPIIHDAMAKLFASRGQGVVVQVSSRDVPLSCEKRPYGLQYTVAKMVVQKKHEHRERLANPETGKVFLEGLFLRSLERQA
AAVGMVLPRDLVVSFKGAERVSSVKLRPDSTLAHGSLRHAVFEVNARLGGLWSVGFLLSKGFGHINTDLQLG</string>
                    <external_references type="UNIPROTKB">A0AAB0B1V7</external_references>
                </sequence>
            </protein_or_peptide>
            <rna macromolecule_id="5">
                <name>crRNA (61-MER)</name>
                <natural_source database="NCBI">
                    <organism ncbi="287">Pseudomonas aeruginosa</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.019837854999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>GUGAACGGUGGAGCAACACCUGAAGGAAGGCUUGAUGAGCGUGUUCCCCGCAUACGCGGGG</string>
                </sequence>
            </rna>
            <dna macromolecule_id="6">
                <name>DNA, non-target strand (47-MER)</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014603381999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>(DT)(DC)(DA)(DC)(DG)(DC)(DT)(DA)(DG)(DT)(DG)(DG)(DA)(DG)(DC)(DA)(DA)(DC)(DA)(DC)
(DC)(DT)(DG)(DA)(DA)(DG)(DG)(DA)(DA)(DG)(DG)(DC)(DT)(DT)(DG)(DA)(DT)(DG)(DA)(DG)
(DC)(DA)(DA)(DG)(DT)(DG)(DC)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <dna macromolecule_id="7">
                <name>DNA, target strand (47-MER)</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014349179</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>(DG)(DC)(DA)(DC)(DT)(DT)(DG)(DC)(DT)(DC)(DA)(DT)(DC)(DA)(DA)(DG)(DC)(DC)(DT)(DT)
(DC)(DC)(DT)(DT)(DC)(DA)(DG)(DG)(DT)(DG)(DT)(DT)(DG)(DC)(DT)(DC)(DC)(DA)(DC)(DT)
(DA)(DG)(DC)(DG)(DT)(DG)(DA)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <protein_or_peptide macromolecule_id="8">
                <name>CRISPR-associated DEAD/DEAH-box helicase CasDinG</name>
                <natural_source database="NCBI">
                    <organism ncbi="287">Pseudomonas aeruginosa</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.081111812</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MASWSHPQFEKGAENLYFQSNAMKLAQGAFVDVIRIGALSPPTDQRSLWARTLLSEAVDQGLDSLPVPLQDVSTFTVTLQ
PALAVRLKALADQHNTPVSVYAAGLIEAMRRRSESGSVAEAPMELPADALPGEGAVREVLRPLLKQAAEKTAAGKIVFAE
AATGTGKGRMIASLAAAAAIKGDTVVVSAPLAVTWQLVNDMKDIPEVRRVGLTLSLGRPNFISPQRTLEWAIDNERADLA
AWIEGGGKPLSLRSMETSKVISHELCWLLEDALLLAEDLPADSLLLTSEDPADCPAQQLYVAMRSNYTEAGIILCSHFML
AAHTRMMQMRGLGNDEELDDEAPTGLSLPHFIDTLIVDEAHLLEQAFASVYTHTLRLRPLMRTIEGLGSRGRKPALDALK
ELFTQMQVASARSTNTSLNVPLSDVPELIPALKDTVKTLGALPTKGMSRDARSVIRIATRAANDALSGHSRLRIEVTPVH
SYPMLLSGRSNLQRALLGLWNATGGATLVSATLFTTGDNGSLTRWKLEVPTERAAFLPPVHPAWTTAPVLLHKEFCAHEP
DDSPEWATECAQTIQGVASTAQGGTLVLCTSYQNTELLAGRLGAALGDRLIVQSKTSSAATCLAQFKAKHKAGIRPVWLG
LGAAWTGIDLSDHSLPDNPELDRLLSDLVITRIPVGQNRSLTHERRTAIGGFRIISQEAAWHFRQGLGRLVRRPGVTHKN
LWVLDARIYGGAAWVAPFRQILDRYKKA</string>
                    <external_references type="UNIPROTKB">A0AA82WPF0</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="9">
                <name>ZINC ION</name>
                <molecular_weight>
                    <theoretical units="MDa">6.5409e-05</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>ZN</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">
                    <buffer>
                        <ph>8.0</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </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>
                    <nominal_defocus_min units="µm">1.2</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.2</nominal_defocus_max>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOCONTINUUM (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">80.0</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>
                <ctf_correction>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <startup_model type_of_model="NONE"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">3.04</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>38045</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_48863.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>512</col>
            <row>512</row>
            <sec>512</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>512</x>
            <y>512</y>
            <z>512</z>
        </spacing>
        <cell>
            <a units="Å">426.5984</a>
            <b units="Å">426.5984</b>
            <c units="Å">426.5984</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>-0.32744005</minimum>
            <maximum>1.2788124</maximum>
            <average>0.004425407</average>
            <std>0.032989614</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.8332</x>
            <y units="Å">0.8332</y>
            <z units="Å">0.8332</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.3</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-48863::::</label>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>7XG3</access_code>
                    <chain>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
