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            <header_release>2019-05-22</header_release>
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            <update>2025-05-28</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>097042</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health &amp; Human Development (NIH/NICHD)</funding_body>
                <code>081534</code>
                <country>United States</country>
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                <funding_body>National Institutes of Health/National Cancer Institute (NIH/NCI)</funding_body>
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        <title>Conformational states of Cas9-sgRNA-DNA ternary complex in the presence of magnesium</title>
        <authors_list>
            <author>Zhu X</author>
            <author>Clarke R</author>
        </authors_list>
        <keywords>CRISPR, Cas9, Nuclease, Genome editing, HYDROLASE, HYDROLASE-RNA-DNA complex</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Zhu X</author>
                    <author order="2">Clarke R</author>
                    <author order="3">Puppala AK</author>
                    <author order="4">Chittori S</author>
                    <author order="5">Merk A</author>
                    <author order="6">Merrill BJ</author>
                    <author order="7">Simonovic M</author>
                    <author order="8">Subramaniam S</author>
                    <title>Cryo-EM structures reveal coordinated domain motions that govern DNA cleavage by Cas9.</title>
                    <journal_abbreviation>Nat.Struct.Mol.Biol.</journal_abbreviation>
                    <country>US</country>
                    <volume>26</volume>
                    <first_page>679</first_page>
                    <last_page>685</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">31285607</external_references>
                    <external_references type="DOI">doi:10.1038/s41594-019-0258-2</external_references>
                    <external_references type="ISSN">1545-9985</external_references>
                </journal_citation>
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                <pdb_id>6o0y</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Cas9-sgRNA-DNA ternary complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Cas9-sgRNA-DNA 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>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="1314">Streptococcus pyogenes</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>CRISPR-associated endonuclease Cas9/Csn1</name>
                <natural_source database="NCBI">
                    <organism ncbi="1314">Streptococcus pyogenes</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.158986109</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>GAASMDKKYSIGLDIGTNSVGWAVITDEYKVPSKKFKVLGNTDRHSIKKNLIGALLFDSGETAEATRLKRTARRRYTRRK
NRICYLQEIFSNEMAKVDDSFFHRLEESFLVEEDKKHERHPIFGNIVDEVAYHEKYPTIYHLRKKLVDSTDKADLRLIYL
ALAHMIKFRGHFLIEGDLNPDNSDVDKLFIQLVQTYNQLFEENPINASGVDAKAILSARLSKSRRLENLIAQLPGEKKNG
LFGNLIALSLGLTPNFKSNFDLAEDAKLQLSKDTYDDDLDNLLAQIGDQYADLFLAAKNLSDAILLSDILRVNTEITKAP
LSASMIKRYDEHHQDLTLLKALVRQQLPEKYKEIFFDQSKNGYAGYIDGGASQEEFYKFIKPILEKMDGTEELLVKLNRE
DLLRKQRTFDNGSIPHQIHLGELHAILRRQEDFYPFLKDNREKIEKILTFRIPYYVGPLARGNSRFAWMTRKSEETITPW
NFEEVVDKGASAQSFIERMTNFDKNLPNEKVLPKHSLLYEYFTVYNELTKVKYVTEGMRKPAFLSGEQKKAIVDLLFKTN
RKVTVKQLKEDYFKKIECFDSVEISGVEDRFNASLGTYHDLLKIIKDKDFLDNEENEDILEDIVLTLTLFEDREMIEERL
KTYAHLFDDKVMKQLKRRRYTGWGRLSRKLINGIRDKQSGKTILDFLKSDGFANRNFMQLIHDDSLTFKEDIQKAQVSGQ
GDSLHEHIANLAGSPAIKKGILQTVKVVDELVKVMGRHKPENIVIEMARENQTTQKGQKNSRERMKRIEEGIKELGSQIL
KEHPVENTQLQNEKLYLYYLQNGRDMYVDQELDINRLSDYDVDHIVPQSFLKDDSIDNKVLTRSDKNRGKSDNVPSEEVV
KKMKNYWRQLLNAKLITQRKFDNLTKAERGGLSELDKAGFIKRQLVETRQITKHVAQILDSRMNTKYDENDKLIREVKVI
TLKSKLVSDFRKDFQFYKVREINNYHHAHDAYLNAVVGTALIKKYPKLESEFVYGDYKVYDVRKMIAKSEQEIGKATAKY
FFYSNIMNFFKTEITLANGEIRKRPLIETNGETGEIVWDKGRDFATVRKVLSMPQVNIVKKTEVQTGGFSKESILPKRNS
DKLIARKKDWDPKKYGGFDSPTVAYSVLVVAKVEKGKSKKLKSVKELLGITIMERSSFEKNPIDFLEAKGYKEVKKDLII
KLPKYSLFELENGRKRMLASAGELQKGNELALPSKYVNFLYLASHYEKLKGSPEDNEQKQLFVEQHKHYLDEIIEQISEF
SKRVILADANLDKVLSAYNKHRDKPIREQAENIIHLFTLTNLGAPAAFKYFDTTIDRKRYTSTKEVLDATLIHQSITGLY
ETRIDLSQLGGD</string>
                    <external_references type="UNIPROTKB">Q99ZW2</external_references>
                </sequence>
                <ec_number>3.1.-.-</ec_number>
            </protein_or_peptide>
            <rna macromolecule_id="2">
                <name>single guide RNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.033059699</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>GGGGCGCAUAAAGAUGAGACGCGUUUUAGAGCUAGAAAUAGCAAGUUAAAAUAAGGCUAGUCCGUUAUCAACUUGAAAAA
GUGGCACCGAGUCGGUGCUUGC</string>
                </sequence>
            </rna>
            <dna macromolecule_id="3">
                <name>5' product of target strand DNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0039365749999999994</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>(DC)(DT)(DA)(DA)(DT)(DC)(DG)(DC)(DC)(DA)(DG)(DC)(DG)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <dna macromolecule_id="4">
                <name>non-target strand DNA</name>
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                    <organism ncbi="32630">synthetic construct</organism>
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                <number_of_copies>1</number_of_copies>
                <sequence>
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(DG)(DA)(DT)(DG)(DA)(DG)(DA)(DC)(DG)(DC)(DT)(DG)(DG)(DC)(DG)(DA)(DT)(DT)(DA)(DG)</string>
                </sequence>
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            <dna macromolecule_id="5">
                <name>3' product of target strand DNA</name>
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                    <organism ncbi="32630">synthetic construct</organism>
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(DG)(DC)(DA)(DC)(DT)(DG)(DG)</string>
                </sequence>
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                    <imaging_mode>BRIGHT FIELD</imaging_mode>
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                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
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