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    <admin>
        <current_status>
            <date>2020-01-22</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2016-06-04</deposition>
            <header_release>2016-08-10</header_release>
            <map_release>2017-10-25</map_release>
            <update>2020-01-22</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>The Natural Science Foundation of China</funding_body>
                <code>91430112</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>The Shanghai Natural Science Foundation</funding_body>
                <code>13ZR1402400</code>
                <country>China</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of SpCas9-sgRNA-DNA ternary complex</title>
        <authors_list>
            <author>Li G</author>
            <author>Huang Q</author>
            <author>Huai C</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Huai C</author>
                    <author order="2">Li G</author>
                    <author order="3">Yao R</author>
                    <author order="4">Zhang Y</author>
                    <author order="5">Cao M</author>
                    <author order="6">Kong L</author>
                    <author order="7">Jia C</author>
                    <author order="8">Yuan H</author>
                    <author order="9">Chen H</author>
                    <author order="10">Lu D</author>
                    <author order="11">Huang Q</author>
                    <title>Structural insights into DNA cleavage activation of CRISPR-Cas9 system</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>8</volume>
                    <first_page>1375</first_page>
                    <last_page>1375</last_page>
                    <year>2017</year>
                    <external_references type="PUBMED">29123204</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-017-01496-2</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-8236</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
                <details>Cryo-EM structure of SpCas9-sgRNA-DNA ternary complex</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5y36</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>SpCas9-sgRNA-target DNA ternay complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>SpCas9-sgRNA-target DNA ternay complex</name>
                <parent>0</parent>
                <details>S. pyogenes Cas9(D10A, H840A) in complex with a 55-mer target DNA from the fumarylacetoacetate hydrolase (FAH) gene and the corresponding 98-nucleotide sgRNA</details>
                <natural_source database="NCBI">
                    <organism ncbi="1314">Streptococcus pyogenes</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.225</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_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">0.45</concentration>
                    <buffer>
                        <ph>7.5</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>Tris</formula>
                            <name>trihydroxymethyl aminomethane</name>
                        </component>
                        <component>
                            <concentration units="mM">100.0</concentration>
                            <formula>KCl</formula>
                            <name>potassium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">5.0</concentration>
                            <formula>MgCl2</formula>
                            <name>magnesium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>DTT</formula>
                            <name>dithiothreitol</name>
                        </component>
                        <details>20mM Tris-Cl (pH 7.5), 100mM KCl, 5mM MgCl2, 1mM DTT</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</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>
                            <atmosphere>OTHER</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">289</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>blot for 4 seconds before plunging. </details>
                    </vitrification>
                    <details>SpCas9 protein, sgRNA, and target DNA were cultured at 37 degree centigrade to form a complex, and then monodisperased at 18 degree centigrade overnight.</details>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN 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">1.3</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.5</nominal_defocus_max>
                    <nominal_magnification>18000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <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>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">3710</width>
                                    <height units="pixel">3838</height>
                                </dimensions>
                            </digitization_details>
                            <number_real_images>592</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">10.0</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>
                <particle_selection>
                    <number_selected>66845</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND</name>
                            <version>3</version>
                        </software>
                    </software_list>
                </ctf_correction>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>4UN3</pdb_id>
                    </pdb_model>
                    <details>The structure was low-pass filtered to 60 Angstrom.</details>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">5.2</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.3</version>
                        </software>
                    </software_list>
                    <number_images_used>57484</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>RANDOM ASSIGNMENT</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.3</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.3</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="10977">
        <file>emd_8236.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>140</col>
            <row>140</row>
            <sec>140</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>140</x>
            <y>140</y>
            <z>140</z>
        </spacing>
        <cell>
            <a units="Å">182.0</a>
            <b units="Å">182.0</b>
            <c units="Å">182.0</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>-0.025383996</minimum>
            <maximum>0.08724286</maximum>
            <average>0.0006787431</average>
            <std>0.0060282876</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.3</x>
            <y units="Å">1.3</y>
            <z units="Å">1.3</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.0316</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-8236::::</label>
        <annotation_details>None</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>4OO8</access_code>
                    <chain>
                        <chain_id>A</chain_id>
                        <residue_range>3-1366</residue_range>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <target_criteria>Correlation coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
                <overall_bvalue>80</overall_bvalue>
            </modelling>
        </modelling_list>
    </interpretation>
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