<?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_9_3/emdb.xsd" version="3.0.9.3" emdb_id="EMD-20276">
    <admin>
        <current_status>
            <date>2024-10-16</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-06-10</deposition>
            <header_release>2019-07-17</header_release>
            <map_release>2020-06-10</map_release>
            <update>2024-10-16</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)</funding_body>
                <code>AI020566</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Poliovirus (Type 1 Mahoney), receptor catalysed 135S particle map</title>
        <authors_list>
            <author>Hogle JM</author>
            <author>Filman DJ</author>
        </authors_list>
        <keywords>poliovirus, cell-entry intermediate, expanded virus, a-particle, VIRUS</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0003-1212-904X" order="1">Shah PNM</author>
                    <author ORCID="0000-0002-8714-1644" order="2">Filman DJ</author>
                    <author order="3">Karunatilaka KS</author>
                    <author ORCID="0000-0002-4522-0061" order="4">Hesketh EL</author>
                    <author order="5">Groppelli E</author>
                    <author ORCID="0000-0002-0986-2868" order="6">Strauss M</author>
                    <author ORCID="0000-0002-3655-1504" order="7">Hogle JM</author>
                    <title>Cryo-EM structures reveal two distinct conformational states in a picornavirus cell entry intermediate.</title>
                    <journal_abbreviation>Plos Pathog.</journal_abbreviation>
                    <country>US</country>
                    <volume>16</volume>
                    <first_page>e1008920</first_page>
                    <last_page>e1008920</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">32997730</external_references>
                    <external_references type="DOI">doi:10.1371/journal.ppat.1008920</external_references>
                    <external_references type="ISSN">1553-7374</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-20275</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Poliovirus 135S-like expanded particle in complex with a monoclonal antibody directed against the N-terminal extension of capsid protein VP1</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6p9w</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Human poliovirus 1 Mahoney</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Poliovirus type 1 (strain Mahoney)</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_list>
                <sci_species_name ncbi="12081">Poliovirus type 1 (strain Mahoney)</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_host>
                <molecular_weight>
                    <theoretical units="MDa">10.0</theoretical>
                </molecular_weight>
                <virus_shell shell_id="1">
                    <name>Capsid</name>
                    <diameter units="Å">300.0</diameter>
                    <triangulation>1</triangulation>
                </virus_shell>
                <virus_type>VIRION</virus_type>
                <virus_isolate>STRAIN</virus_isolate>
                <virus_enveloped>false</virus_enveloped>
                <virus_empty>false</virus_empty>
            </virus_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>VP1</name>
                <natural_source database="NCBI">
                    <organism ncbi="12081">Poliovirus type 1 (strain Mahoney)</organism>
                    <strain>Mahoney</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.03348861299999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GLGQMLESMIDNTVRETVGAATSRDALPNTEASGPTHSKEIPALTAVETGATNPLVPSDTVQTRHVVQHRSRSESSIESF
FARGACVTIMTVDNPASTTNKDKLFAVWKITYKDTVQLRRKLEFFTYSRFDMELTFVVTANFTETNNGHALNQVYQIMYV
PPGAPVPEKWDDYTWQTSSNPSIFYTYGTAPARISVPYVGISNAYSHFYDGFSKVPLKDQSAALGDSLYGAASLNDFGIL
AVRVVNDHNPTKVTSKIRVYLKPKHIRVWCPRPPRAVAYYGPGVDYKDGTLTPLSTKDLTTY</string>
                    <external_references type="UNIPROTKB">P03300</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>VP2</name>
                <natural_source database="NCBI">
                    <organism ncbi="12081">Poliovirus type 1 (strain Mahoney)</organism>
                    <strain>Mahoney</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.030075783</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>SPNIEACGYSDRVLQLTLGNSTITTQEAANSVVAYGRWPEYLRDSEANPVDQPTEPDVAACRFYTLDTVSWTKESRGWWW
KLPDALRDMGLFGQNMYYHYLGRSGYTVHVQCNASKFHQGALGVFAVPEMCLAGDSNTTTMHTSYQNANPGEKGGTFTGT
FTPDNNQTSPARRFCPVDYLLGNGTLLGNAFVFPHQIINLRTNNCATLVLPYVNSLSIDSMVKHNNWGIAILPLAPLNFA
SESSPEIPITLTIAPMCCEFNGLRNITLPRLQ</string>
                    <external_references type="UNIPROTKB">P03300</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>VP3</name>
                <natural_source database="NCBI">
                    <organism ncbi="12081">Poliovirus type 1 (strain Mahoney)</organism>
                    <strain>Mahoney</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.026547481999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GLPVMNTPGSNQYLTADNFQSPCALPEFDVTPPIDIPGEVKNMMELAEIDTMIPFDLSATKKNTMEMYRVRLSDKPHTDD
PILCLSLSPASDPRLSHTMLGEILNYYTHWAGSLKFTFLFCGSMMATGKLLVSYAPPGADPPKKRKEAMLGTHVIWDIGL
QSSCTMVVPWISNTTYRQTIDDSFTEGGYISVFYQTRIVVPLSTPREMDILGFVSACNDFSVRLLRDTTHIEQKALAQ</string>
                    <external_references type="UNIPROTKB">Q8QYM4</external_references>
                </sequence>
            </protein_or_peptide>
        </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">0.4</concentration>
                    <buffer>
                        <ph>7.5</ph>
                        <details>20 mM Tris-HCl, pH 7.5 + 2 mM CaCl2</details>
                    </buffer>
                    <grid>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>LACEY</film_topology>
                        </support_film>
                        <details>unspecified</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                    <details>This sample was monodisperse.</details>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI ARCTICA</microscope>
                    <illumination_mode>SPOT SCAN</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <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 K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>1269</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">1.01</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>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>1HXS</pdb_id>
                    </pdb_model>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>I</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.2</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                    <number_images_used>33131</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="359662">
        <file>emd_20276.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>448</col>
            <row>448</row>
            <sec>448</sec>
        </dimensions>
        <origin>
            <col>-224</col>
            <row>-224</row>
            <sec>-224</sec>
        </origin>
        <spacing>
            <x>448</x>
            <y>448</y>
            <z>448</z>
        </spacing>
        <cell>
            <a units="Å">506.24</a>
            <b units="Å">506.24</b>
            <c units="Å">506.24</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>100.0</maximum>
            <average>25.544626000000001</average>
            <std>6.387312</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.13</x>
            <y units="Å">1.13</y>
            <z units="Å">1.13</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>50.0</level>
                <source>EMDB</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-20276::::</label>
        <annotation_details>Unsharpened Poliovirus (Type 1 Mahoney) receptor-catalysed 135S particle map</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
        <segmentation_list>
            <segmentation>
                <file>emd_20276_msk_1.map</file>
            </segmentation>
        </segmentation_list>
    </interpretation>
</emd>
