<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_8_0/emdb.xsd" version="3.0.8.0" emdb_id="EMD-22518">
    <admin>
        <current_status>
            <date>2023-09-06</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-08-27</deposition>
            <header_release>2021-09-22</header_release>
            <map_release>2021-09-22</map_release>
            <update>2023-09-06</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>SpCas9 delta4CE Ternary Complex</title>
        <authors_list>
            <author>Sham A</author>
            <author>Laughlin TG</author>
            <author>Savage DF</author>
        </authors_list>
        <keywords>CRISPR-Cas, DNA-binding, engineered, RNA BINDING PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Shams A</author>
                    <author order="2">Higgins SA</author>
                    <author ORCID="0000-0002-9545-5723" order="3">Fellmann C</author>
                    <author ORCID="0000-0001-8943-1330" order="4">Laughlin TG</author>
                    <author order="5">Oakes BL</author>
                    <author order="6">Lew R</author>
                    <author order="7">Kim S</author>
                    <author order="8">Lukarska M</author>
                    <author ORCID="0000-0003-0130-4789" order="9">Arnold M</author>
                    <author order="10">Staahl BT</author>
                    <author ORCID="0000-0001-9161-999X" order="11">Doudna JA</author>
                    <author ORCID="0000-0003-0042-2257" order="12">Savage DF</author>
                    <title>Comprehensive deletion landscape of CRISPR-Cas9 identifies minimal RNA-guided DNA-binding modules.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>12</volume>
                    <first_page>5664</first_page>
                    <last_page>5664</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">34580310</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-021-25992-8</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>SpCas9 delta4CE Ternary Complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>SpCas9 delta4CE Ternary Complex</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_list>
                <natural_source database="NCBI">
                    <organism ncbi="1314">Streptococcus pyogenes</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.17665</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>SpCas9 delta4CE</name>
                <natural_source database="NCBI">
                    <organism ncbi="1314">Streptococcus pyogenes</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKSSHHHHHHENLYFQSNATPKKKRKVGGSPKKKRKVGGSPKKKRKVGGSPKKKRKVGIHGVPAATMDKKYSIGLAIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKNLIGALLFDSGETAEATRLKRTARRRYTRRKNRICYLQEIFSNEMAKVDDSFFHRLEESFLVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRLIYLALAHMIKFRGHFLIEGDLNPDNSTSDAILLSDILRVNTEITKAPLSASMIKRYDEHHQDLTLLKALVRQQLPEKYKEIFFDQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNREDLLRKQRTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPLARGNSRFAWMTRKSEETITPWNFEEVVDKGASAQSFIERMTNFDKNLTSQKAQVSGQGDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRHKPENIVIEMARENQTTQKGQKNSRERMKRIEEGIKELASDNLTKAERGGLSELDKAGFIKRQLVETRQITKHVAQILDSRMNTKYDENDKLIREVKVITLKSKLVSDFRKDFQFYKVREINNYHHAHDAYLNAVVGTALIKKYPKLESEFVASTVRKVLSMPQVNIVKKTEVQTGGFSKESILPKRNSDKLIARKKDWDPKKYGGFDSPTVAYSVLVVAKVEKGKSKKLKSVKELLGITIMERSSFEKNPIDFLEAKGYKEVKKDLIIKLPKYSLFELENGRKRMLASAGELQKGNELALPSKYVNFLYLASHYEKLKGSPEDNEQKQLFVEQHKHYLDEIIEQISEFSKRVILADANLDKVLSAYNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVLDATLIHQSITGLYETRIDLSQLGGDGSPKKKRKVEDPKKKRKVDTQSPKGS</string>
                </sequence>
            </protein_or_peptide>
            <rna macromolecule_id="2">
                <name>sgRNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_source>
                <sequence>
                    <string>UCAGCCACAGCUGGGCCUGGGUUUUAGAGCUAGAAAUAGCAAGUUAAAAUAAGGCUAGUCCGUUAUCAACUUGAAAAAGUGGCACCGAGUCGGUGCUUUU</string>
                </sequence>
            </rna>
            <dna macromolecule_id="3">
                <name>Target-strand</name>
                <natural_source database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_source>
                <sequence>
                    <string>CTCACCTTCCTACGGTAGTCGGTGTCGACCCGGACCACCCGACAGTTTTAACTCG</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <dna macromolecule_id="4">
                <name>Non-target strand</name>
                <natural_source database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_source>
                <sequence>
                    <string>GAGTGGAAGGATGCCATCAGCCACAGCTGGGCCTGGTGGGCTGTCAAAATTGAGC</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
        </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">0.0053</concentration>
                    <buffer>
                        <ph>8.0</ph>
                        <component>
                            <concentration units="mM">30.0</concentration>
                            <formula>NH2C(CH2OH)3HCl</formula>
                            <name>Tris-HCl</name>
                        </component>
                        <component>
                            <concentration units="mM">150.0</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">5.0</concentration>
                            <formula>C4H10O2S2</formula>
                            <name>Dithiothreitol</name>
                        </component>
                        <component>
                            <concentration units="%">0.1</concentration>
                            <formula>C3H8O3</formula>
                            <name>Glycerol</name>
                        </component>
                    </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>
                        <support_film film_type_id="2">
                            <film_material>CARBON</film_material>
                            <film_topology>CONTINUOUS</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">15</time>
                            <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>10 s incubation, blot 5 seconds. </details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TALOS ARCTICA</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <c2_aperture_diameter units="µm">70.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <calibrated_defocus_min units="µm">1.5</calibrated_defocus_min>
                    <calibrated_defocus_max units="µm">3.8000000000000003</calibrated_defocus_max>
                    <nominal_magnification>45000.0</nominal_magnification>
                    <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 K3 (6k x 4k)</film_or_detector_model>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>3400</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">60.0</average_electron_dose_per_image>
                            <details>collected using image-shift for a regular 3x3 array of holes per stage movement</details>
                        </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>288416</number_selected>
                </particle_selection>
                <startup_model type_of_model="OTHER">
                    <details>ab initio via stochastic gradient descent as implemented in RELION</details>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <algorithm>BACK PROJECTION</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">6.2</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.1b</version>
                        </software>
                    </software_list>
                    <number_images_used>167245</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.1b</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.1b</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="8389">
        <file>emd_22518.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>128</col>
            <row>128</row>
            <sec>128</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>128</x>
            <y>128</y>
            <z>128</z>
        </spacing>
        <cell>
            <a units="Å">230.4</a>
            <b units="Å">230.4</b>
            <c units="Å">230.4</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>-0.09108114</minimum>
            <maximum>0.17871282</maximum>
            <average>0.0005681342</average>
            <std>0.0074739596</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.8</x>
            <y units="Å">1.8</y>
            <z units="Å">1.8</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.031</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-22518::::</label>
        <annotation_details>SpCas9 delta4CE Ternary Complex</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>5Y36</access_code>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <target_criteria>CC</target_criteria>
                <refinement_space>REAL</refinement_space>
                <overall_bvalue>395.0</overall_bvalue>
            </modelling>
        </modelling_list>
        <segmentation_list>
            <segmentation>
                <file>emd_22518_msk_1.map</file>
            </segmentation>
        </segmentation_list>
        <additional_map_list>
            <additional_map format="CCP4" size_kbytes="8389">
                <file>emd_22518_additional_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">230.4</a>
                    <b units="Å">230.4</b>
                    <c units="Å">230.4</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>-0.029656565</minimum>
                    <maximum>0.1110793</maximum>
                    <average>-0.00018110535</average>
                    <std>0.005996458</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.8</x>
                    <y units="Å">1.8</y>
                    <z units="Å">1.8</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-22518::::</label>
            </additional_map>
            <additional_map format="CCP4" size_kbytes="8389">
                <file>emd_22518_additional_3.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">230.4</a>
                    <b units="Å">230.4</b>
                    <c units="Å">230.4</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>-0.06673173</minimum>
                    <maximum>0.23184222</maximum>
                    <average>-0.0003917858</average>
                    <std>0.012230464</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.8</x>
                    <y units="Å">1.8</y>
                    <z units="Å">1.8</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-22518::::</label>
            </additional_map>
            <additional_map format="CCP4" size_kbytes="8389">
                <file>emd_22518_additional_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">230.4</a>
                    <b units="Å">230.4</b>
                    <c units="Å">230.4</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>0.0</minimum>
                    <maximum>32.914284000000002</maximum>
                    <average>10.078156999999999</average>
                    <std>7.52896</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.8</x>
                    <y units="Å">1.8</y>
                    <z units="Å">1.8</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-22518::::</label>
            </additional_map>
        </additional_map_list>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="8389">
                <file>emd_22518_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">230.4</a>
                    <b units="Å">230.4</b>
                    <c units="Å">230.4</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>-0.032382403</minimum>
                    <maximum>0.115546115</maximum>
                    <average>-0.00017614628</average>
                    <std>0.0061954064</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.8</x>
                    <y units="Å">1.8</y>
                    <z units="Å">1.8</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-22518::::</label>
            </half_map>
            <half_map format="CCP4" size_kbytes="8389">
                <file>emd_22518_half_map_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>128</col>
                    <row>128</row>
                    <sec>128</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>128</x>
                    <y>128</y>
                    <z>128</z>
                </spacing>
                <cell>
                    <a units="Å">230.4</a>
                    <b units="Å">230.4</b>
                    <c units="Å">230.4</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>-0.033401504</minimum>
                    <maximum>0.11417829</maximum>
                    <average>-0.00016867588</average>
                    <std>0.0061836606</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.8</x>
                    <y units="Å">1.8</y>
                    <z units="Å">1.8</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-22518::::</label>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
