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            <date>2024-10-30</date>
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            <deposition>2020-10-10</deposition>
            <header_release>2020-11-04</header_release>
            <map_release>2020-11-04</map_release>
            <update>2024-10-30</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>SARS-CoV-2 D614G 3 RBD down Spike Protein Trimer without the P986-P987 stabilizing mutations (S-GSAS-D614G sub-classification)</title>
        <authors_list>
            <author>Gobeil S</author>
            <author>Acharya P</author>
        </authors_list>
        <keywords>SARS-CoV-2 Spike Protein Trimer, VIRAL PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Gobeil SM</author>
                    <author order="2">Janowska K</author>
                    <author order="3">McDowell S</author>
                    <author order="4">Mansouri K</author>
                    <author order="5">Parks R</author>
                    <author order="6">Manne K</author>
                    <author order="7">Stalls V</author>
                    <author order="8">Kopp MF</author>
                    <author order="9">Henderson R</author>
                    <author order="10">Edwards RJ</author>
                    <author order="11">Haynes BF</author>
                    <author order="12">Acharya P</author>
                    <title>D614G Mutation Alters SARS-CoV-2 Spike Conformation and Enhances Protease Cleavage at the S1/S2 Junction.</title>
                    <journal_abbreviation>Cell Rep</journal_abbreviation>
                    <country>US</country>
                    <volume>34</volume>
                    <first_page>108630</first_page>
                    <last_page>108630</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">33417835</external_references>
                    <external_references type="DOI">doi:10.1016/j.celrep.2020.108630</external_references>
                    <external_references type="ISSN">2211-1247</external_references>
                </journal_citation>
            </primary_citation>
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                <journal_citation published="true">
                    <author ORCID="0000-0002-0057-2477" order="13">Gobeil S</author>
                    <author order="14">Janowska K</author>
                    <author order="15">McDowell S</author>
                    <author order="16">Mansouri K</author>
                    <author order="17">Parks R</author>
                    <author order="18">Manne K</author>
                    <author order="19">Stalls V</author>
                    <author order="20">Kopp M</author>
                    <author ORCID="0000-0002-4301-6382" order="21">Henderson R</author>
                    <author order="22">Edwards RJ</author>
                    <author order="23">Haynes BF</author>
                    <author ORCID="0000-0002-0089-277X" order="24">Acharya P</author>
                    <title>D614G mutation alters SARS-CoV-2 spike conformational dynamics and protease cleavage susceptibility at the S1/S2 junction.</title>
                    <journal_abbreviation>Biorxiv</journal_abbreviation>
                    <country>US</country>
                    <year>2020</year>
                    <external_references type="PUBMED">33052347</external_references>
                    <external_references type="DOI">doi:10.1101/2020.10.11.335299</external_references>
                    <external_references type="ISSN">2692-8205</external_references>
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                <name>Spike protein Trimer</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
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                    <organism ncbi="2697049">Severe acute respiratory syndrome coronavirus 2</organism>
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                <name>Spike glycoprotein</name>
                <natural_source database="NCBI">
                    <organism ncbi="2697049">Severe acute respiratory syndrome coronavirus 2</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.14237542199999997</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFVFLVLLPLVSSQCVNLTTRTQLPPAYTNSFTRGVYYPDKVFRSSVLHSTQDLFLPFFSNVTWFHAIHVSGTNGTKRFD
NPVLPFNDGVYFASTEKSNIIRGWIFGTTLDSKTQSLLIVNNATNVVIKVCEFQFCNDPFLGVYYHKNNKSWMESEFRVY
SSANNCTFEYVSQPFLMDLEGKQGNFKNLREFVFKNIDGYFKIYSKHTPINLVRDLPQGFSALEPLVDLPIGINITRFQT
LLALHRSYLTPGDSSSGWTAGAAAYYVGYLQPRTFLLKYNENGTITDAVDCALDPLSETKCTLKSFTVEKGIYQTSNFRV
QPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSF
VIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPC
NGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTNLVKNKCVNFNFNGLTGTGVLTESNKKFL
PFQQFGRDIADTTDAVRDPQTLEILDITPCSFGGVSVITPGTNTSNQVAVLYQGVNCTEVPVAIHADQLTPTWRVYSTGS
NVFQTRAGCLIGAEHVNNSYECDIPIGAGICASYQTQTNSPGSASSVASQSIIAYTMSLGAENSVAYSNNSIAIPTNFTI
SVTTEILPVSMTKTSVDCTMYICGDSTECSNLLLQYGSFCTQLNRALTGIAVEQDKNTQEVFAQVKQIYKTPPIKDFGGF
NFSQILPDPSKPSKRSFIEDLLFNKVTLADAGFIKQYGDCLGDIAARDLICAQKFNGLTVLPPLLTDEMIAQYTSALLAG
TITSGWTFGAGAALQIPFAMQMAYRFNGIGVTQNVLYENQKLIANQFNSAIGKIQDSLSSTASALGKLQDVVNQNAQALN
TLVKQLSSNFGAISSVLNDILSRLDKVEAEVQIDRLITGRLQSLQTYVTQQLIRAAEIRASANLAATKMSECVLGQSKRV
DFCGKGYHLMSFPQSAPHGVVFLHVTYVPAQEKNFTTAPAICHDGKAHFPREGVFVSNGTHWFVTQRNFYEPQIITTDNT
FVSGNCDVVIGIVNNTVYDPLQPELDSFKEELDKYFKNHTSPDVDLGDISGINASVVNIQKEIDRLNEVAKNLNESLIDL
QELGKYEQGSGYIPEAPRDGQAYVRKDGEWVLLSTFLGRSLEVLFQGPGHHHHHHHHSAWSHPQFEKGGGSGGGGSGGSA
WSHPQFEK</string>
                    <external_references type="UNIPROTKB">P0DTC2</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="3">
                <name>2-acetamido-2-deoxy-beta-D-glucopyranose</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000221208</theoretical>
                </molecular_weight>
                <number_of_copies>33</number_of_copies>
                <formula>NAG</formula>
            </ligand>
        </macromolecule_list>
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            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
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                    <buffer>
                        <ph>8.0</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
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                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>OTHER</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">0.4</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.94</nominal_defocus_max>
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                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">51.8</average_electron_dose_per_image>
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                        <pdb_id>6VXX</pdb_id>
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                    <resolution units="Å" res_type="BY AUTHOR">3.26</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>133373</number_images_used>
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                    <type>NOT APPLICABLE</type>
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                <final_angle_assignment>
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