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    <admin>
        <current_status>
            <date>2021-04-21</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-03-23</deposition>
            <header_release>2021-04-21</header_release>
            <map_release>2021-04-21</map_release>
            <update>2021-04-21</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Department of Biotechnology (DBT, India)</funding_body>
                <code>BT/INF/22/SP22844/2017</code>
                <country>India</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Department of Science &amp; Technology (DST, India)</funding_body>
                <code>SR/FST/LSII-039/2015</code>
                <country>India</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Department of Science &amp; Technology (DST, India)</funding_body>
                <country>India</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Science and Engineering Research Board (SERB)</funding_body>
                <code>SERB-EMR/2016/000608</code>
                <country>India</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Science and Engineering Research Board (SERB)</funding_body>
                <code>SERB-IPA/2020/000094</code>
                <country>India</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Department of Biotechnology (DBT, India)</funding_body>
                <code>BT/PR25580/BRB/10/1619/2017</code>
                <country>India</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Department of Biotechnology (DBT, India)</funding_body>
                <code>DBT-IISc partnership program phase II</code>
                <country>India</country>
            </grant_reference>
        </grant_support>
        <title>SARS-CoV2 Spike Protein structure at pH 6.5 with C1 Symmetry (Class 2)</title>
        <authors_list>
            <author>Pramanick I</author>
            <author>Sengupta N</author>
            <author>Mishra S</author>
            <author>Pandey S</author>
            <author>Girish N</author>
            <author>Das A</author>
            <author>Dutta S</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Pramanick I</author>
                    <author order="2">Sengupta N</author>
                    <author order="3">Mishra S</author>
                    <author order="4">Pandey S</author>
                    <author order="5">Girish N</author>
                    <author order="6">Das A</author>
                    <author order="7">Dutta S</author>
                    <title>SARS-CoV2 Spike Protein structure at pH 6.5 with C1 Symmetry (Class 2)</title>
                    <journal_abbreviation>Structure</journal_abbreviation>
                    <country>UK</country>
                    <year>2021</year>
                    <external_references type="ISSN">0969-2126</external_references>
                    <external_references type="CSD">2005</external_references>
                    <external_references type="ASTM">STRUE6</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-31092</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>SARS-CoV2 Spike Protein structure at pH 6.5 with C1 Symmetry (Class 2)</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>SARS-CoV2 Spike Protein structure at pH 6.5 with C1 Symmetry (Class 2)</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="2697049">Severe acute respiratory syndrome coronavirus 2</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                    <recombinant_cell>Mammalian expression Expi293F cells</recombinant_cell>
                </recombinant_expression>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <other_macromolecule macromolecule_id="1">
                <name>SARS-CoV2 Spike Protein structure at pH 6.5 with C1 Symmetry (Class 2)</name>
                <natural_source database="NCBI">
                    <organism ncbi="2697049">Severe acute respiratory syndrome coronavirus 2</organism>
                </natural_source>
                <sequence>
                    <string>MGILPSPGMPALLSLVSLLSVLLMGCVAETGTQCVNLTTRTQLPPAYTNSFTRGVYYPDKVFRSSVLHSTQDLFLPFFSNVTWFHAIHVSGTNGTKRFDNPVLPFNDGVYFASTEKSNIIRGWIFGTTLDSKTQSLLIVNNATNVVIKVCEFQFCNDPFLGVYYHKNNKSWMESEFRVYSSANNCTFEYVSQPFLMDLEGKQGNFKNLREFVFKNIDGYFKIYSKHTPINLVRDLPQGFSALEPLVDLPIGINITRFQTLLALHRSYLTPGDSSSGWTAGAAAYYVGYLQPRTFLLKYNENGTITDAVDCALDPLSETKCTLKSFTVEKGIYQTSNFRVQPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTNLVKNKCVNFNFNGLTGTGVLTESNKKFLPFQQFGRDIADTTDAVRDPQTLEILDITPCSFGGVSVITPGTNTSNQVAVLYQDVNCTEVPVAIHADQLTPTWRVYSTGSNVFQTRAGCLIGAEHVNNSYECDIPIGAGICASYQTQTNSPSGAGSVASQSIIAYTMSLGAENSVAYSNNSIAIPTNFTISVTTEILPVSMTKTSVDCTMYICGDSTECSNLLLQYGSFCTQLNRALTGIAVEQDKNTQEVFAQVKQIYKTPPIKDFGGFNFSQILPDPSKPSKRSFIEDLLFNKVTLADAGFIKQYGDCLGDIAARDLICAQKFNGLTVLPPLLTDEMIAQYTSALLAGTITSGWTFGAGAALQIPFAMQMAYRFNGIGVTQNVLYENQKLIANQFNSAIGKIQDSLSSTASALGKLQDVVNQNAQALNTLVKQLSSNFGAISSVLNDILSRLDPPEAEVQIDRLITGRLQSLQTYVTQQLIRAAEIRASANLAATKMSECVLGQSKRVDFCGKGYHLMSFPQSAPHGVVFLHVTYVPAQEKNFTTAPAICHDGKAHFPREGVFVSNGTHWFVTQRNFYEPQIITTDNTFVSGNCDVVIGIVNNTVYDPLQPELDSFKEELDKYFKNHTSPDVDLGDISGINASVVNIQKEIDRLNEVAKNLNESLIDLQELGKYEQYIKGSGRENLYFQGGGGSGYIPEAPRDGQAYVRKDGEWVLLSTFLGHHHHHHHH</string>
                </sequence>
                <classification>other</classification>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
            </other_macromolecule>
        </macromolecule_list>
    </sample>
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        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>6.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TALOS ARCTICA</microscope>
                    <illumination_mode>OTHER</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <average_electron_dose_per_image units="e/Å^2">80.0</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>
                <final_reconstruction>
                    <resolution res_type="BY AUTHOR" units="Å">4.75</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>78742</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_31092.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>256</col>
            <row>256</row>
            <sec>256</sec>
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            <row>0</row>
            <sec>0</sec>
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        <spacing>
            <x>256</x>
            <y>256</y>
            <z>256</z>
        </spacing>
        <cell>
            <a units="Å">299.52</a>
            <b units="Å">299.52</b>
            <c units="Å">299.52</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>
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        <statistics>
            <minimum>-11.485591</minimum>
            <maximum>21.16868</maximum>
            <average>-5.8910142e-12</average>
            <std>1.0</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.17</x>
            <y units="Å">1.17</y>
            <z units="Å">1.17</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>4.45</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-31092::::</label>
        <annotation_details>SARS-CoV2 Spike Protein structure at pH 6.5 with C1 Symmetry (Class 2)</annotation_details>
    </map>
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