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    <admin>
        <current_status>
            <date>2024-10-09</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2017-02-15</deposition>
            <header_release>2017-05-03</header_release>
            <map_release>2017-05-03</map_release>
            <update>2024-10-09</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>the Strategic Priority Research Program of the Chinese Academy of Sciences</funding_body>
                <code>XDB08020100</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>the China Ministry of Science and Technology (MOST) National 973 Project</funding_body>
                <code>2013CB531502</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>the China Ministry of Science and Technology (MOST) National 973 Project</funding_body>
                <code>2014CB542503</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>the National Key Research and Development Program of China</funding_body>
                <code>2016YFD0500300</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>the China National Grand S&amp;T Special Project</funding_body>
                <code>2014ZX10004-001-006</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>the Natural Science Foundation of China</funding_body>
                <code>31570874</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>the Natural Science Foundation of China</funding_body>
                <code>81461168030</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>the Excellent Young Scientist Program from the NSFC</funding_body>
                <code>81622031</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>the Excellent Young Scientist Program of the Chinese Academy of Sciences and the Youth Innovation Promotion Association CAS</funding_body>
                <code>2015078</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Thousand (Young) Talents Program</funding_body>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>leading principal investigator of the NSFC Innovative Research Group</funding_body>
                <code>81321063</code>
                <country>China</country>
            </grant_reference>
        </grant_support>
        <title>Prefusion structure of SARS-CoV spike glycoprotein, conformation 2</title>
        <authors_list>
            <author>Yuan Y</author>
            <author>Cao D</author>
        </authors_list>
        <keywords>SARS-CoV, spike glycoprotein, prefusion, single particle, VIRAL PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Yuan Y</author>
                    <author order="2">Cao D</author>
                    <author order="3">Zhang Y</author>
                    <author order="4">Ma J</author>
                    <author order="5">Qi J</author>
                    <author order="6">Wang Q</author>
                    <author order="7">Lu G</author>
                    <author order="8">Wu Y</author>
                    <author order="9">Yan J</author>
                    <author order="10">Shi Y</author>
                    <author order="11">Zhang X</author>
                    <author order="12">Gao GF</author>
                    <title>Cryo-EM structures of MERS-CoV and SARS-CoV spike glycoproteins reveal the dynamic receptor binding domains</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>8</volume>
                    <first_page>15092</first_page>
                    <last_page>15092</last_page>
                    <year>2017</year>
                    <external_references type="PUBMED">28393837</external_references>
                    <external_references type="DOI">doi:10.1038/ncomms15092</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5x5b</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>SARS-CoV spike trimer</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>SARS-CoV spike trimer</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="228407">SARS coronavirus BJ01</organism>
                    <strain>BJ01</strain>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Spike glycoprotein</name>
                <natural_source database="NCBI">
                    <organism ncbi="228407">SARS coronavirus BJ01</organism>
                    <strain>BJ01</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.136825891</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>SDLDRCTTFDDVQAPNYTQHTSSMRGVYYPDEIFRSDTLYLTQDLFLPFYSNVTGFHTINHTFDNPVIPFKDGIYFAATE
KSNVVRGWVFGSTMNNKSQSVIIINNSTNVVIRACNFELCDNPFFAVSKPMGTQTHTMIFDNAFNCTFEYISDAFSLDVS
EKSGNFKHLREFVFKNKDGFLYVYKGYQPIDVVRDLPSGFNTLKPIFKLPLGINITNFRAILTAFSPAQDTWGTSAAAYF
VGYLKPTTFMLKYDENGTITDAVDCSQNPLAELKCSVKSFEIDKGIYQTSNFRVVPSGDVVRFPNITNLCPFGEVFNATK
FPSVYAWERKKISNCVADYSVLYNSTFFSTFKCYGVSATKLNDLCFSNVYADSFVVKGDDVRQIAPGQTGVIADYNYKLP
DDFMGCVLAWNTRNIDATSTGNYNYKYRYLRHGKLRPFERDISNVPFSPDGKPCTPPALNCYWPLNDYGFYTTTGIGYQP
YRVVVLSFELLNAPATVCGPKLSTDLIKNQCVNFNFNGLTGTGVLTPSSKRFQPFQQFGRDVSDFTDSVRDPKTSEILDI
SPCSFGGVSVITPGTNASSEVAVLYQDVNCTDVSTAIHADQLTPAWRIYSTGNNVFQTQAGCLIGAEHVDTSYECDIPIG
AGICASYHTVSLLRSTSQKSIVAYTMSLGADSSIAYSNNTIAIPTNFSISITTEVMPVSMAKTSVDCNMYICGDSTECAN
LLLQYGSFCTQLNRALSGIAAEQDRNTREVFAQVKQMYKTPTLKYFGGFNFSQILPDPLKPTKRSFIEDLLFNKVTLADA
GFMKQYGECLGDINARDLICAQKFNGLTVLPPLLTDDMIAAYTAALVSGTATAGWTFGAGAALQIPFAMQMAYRFNGIGV
TQNVLYENQKQIANQFNKAISQIQESLTTTSTALGKLQDVVNQNAQALNTLVKQLSSNFGAISSVLNDILSRLDKVEAEV
QIDRLITGRLQSLQTYVTQQLIRAAEIRASANLAATKMSECVLGQSKRVDFCGKGYHLMSFPQAAPHGVVFLHVTYVPSQ
ERNFTTAPAICHEGKAYFPREGVFVFNGTSWFITQRNFFSPQIITTDNTFVSGNCDVVIGIINNTVYDPLQPELDSFKEE
LDKYFKNHTSPDVDLGDISGINASVVNIQKEIDRLNEVAKNLNESLIDLQELGKYEQYIKIKRMKQIEDKIEEIESKQKK
IENEIARIKKIKLVPRGSLEWSHPQFEK</string>
                </sequence>
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            <aggregation_state>particle</aggregation_state>
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                        <ph>7.5</ph>
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                    <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>
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                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">8.0</average_electron_dose_per_image>
                        </image_recording>
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            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
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                    <resolution units="Å" res_type="BY AUTHOR">3.7</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>60000</number_images_used>
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                    <type>PROJECTION MATCHING</type>
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                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
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            <fast>X</fast>
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                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
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