<emd emdb_id="EMD-5673" version="3.0.1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_1_1/emdb_relaxed.xsd">
    <admin>
        <current_status>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2013-05-21</deposition>
            <header_release>2013-06-26</header_release>
            <map_release>2013-08-28</map_release>
            <update>2013-11-06</update>
        </key_dates>
        <title>Electron cryo-microscopy of enterovirus 71 complexed with a Fab fragment</title>
        <authors_list>
            <author>Lee H</author>
            <author>Cifuente JO</author>
            <author>Ashley RE</author>
            <author>Conway JF</author>
            <author>Makhov AM</author>
            <author>Tano Y</author>
            <author>Shimizu H</author>
            <author>Nishimura Y</author>
            <author>Hafenstein S</author>
        </authors_list>
        <keywords>EV71, enterovirus, HFMD, neutralizing antibody, Fab, cryoEM, strain-specific eptitope, VP1-145</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Lee H</author>
                    <author order="2">Cifuente JO</author>
                    <author order="3">Ashley RE</author>
                    <author order="4">Conway JF</author>
                    <author order="5">Makhov AM</author>
                    <author order="6">Tano Y</author>
                    <author order="7">Shimizu H</author>
                    <author order="8">Nishimura Y</author>
                    <author order="9">Hafenstein S</author>
                    <title>A strain-specific epitope of enterovirus 71 identified by cryo-electron microscopy of the complex with fab from neutralizing antibody.</title>
                    <journal>J.VIROL.</journal>
                    <volume>87</volume>
                    <first_page>11363</first_page>
                    <last_page>11370</last_page>
                    <year>2013</year>
                    <external_references type="PUBMED">23946455</external_references>
                    <external_references type="DOI">doi:10.1128/JVI.01926-13</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>3j3z</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Enterovirus 71 complexed with Fab Fragment of MA28-7 neutralizing antibody</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Enterovirus 71 complexed with Fab Fragment of MA28-7 neutralizing antibody</name>
                <number_unique_components>2</number_unique_components>
                <molecular_weight>
                    <theoretical units="MDa">8.05</theoretical>
                </molecular_weight>
            </sample_supramolecule>
            <virus_supramolecule supramolecule_id="1">
                <name synonym="EV71">Human enterovirus 71</name>
                <details>Fab fragment is bound on the virus surface</details>
                <sci_species_name ncbi="39054">Human enterovirus 71</sci_species_name>
                <sci_species_strain>1095/Shiga</sci_species_strain>
                <natural_host database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                    <synonym_organism>VERTEBRATES</synonym_organism>
                </natural_host>
                <host_system database="NCBI" />
                <molecular_weight>
                    <theoretical units="MDa">8</theoretical>
                </molecular_weight>
                <virus_shell shell_id="1">
                    <name>VP1-4</name>
                    <diameter units="&#8491;">300</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>
                <syn_species_name>EV71</syn_species_name>
            </virus_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>MA28-7 neutralizing antibody Fab fragment</name>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                    <strain>BALB/c</strain>
                    <synonym_organism>mouse</synonym_organism>
                    <cell>hybridomas fused with myeloma cells</cell>
                </natural_source>
                <recombinant_exp_flag>false</recombinant_exp_flag>
                <recombinant_expression database="NCBI" />
                <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">1.0</concentration>
                    <buffer>
                        <ph>7.5</ph>
                        <details>10 mM Tris, 200 mM NaCl, 50 mM MgCl2</details>
                    </buffer>
                    <grid>
                        <details>glow-discharged holey carbon Quantifoil electron microscopy grids</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE-PROPANE MIXTURE</cryogen_name>
                        <chamber_humidity units="percentage">95</chamber_humidity>
                        <chamber_temperature units="K">76</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI F20</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>
                    <nominal_cs units="mm">2</nominal_cs>
                    <nominal_defocus_min units="&#181;m">1.9</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">6.12</nominal_defocus_max>
                    <nominal_magnification>50000.0</nominal_magnification>
                    <calibrated_magnification>48425.0</calibrated_magnification>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
                    <temperature>
                        <temperature_average units="K">95</temperature_average>
                    </temperature>
                    <date>2011-02-02</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                            <digitization_details>
                                <scanner>NIKON SUPER COOLSCAN 9000</scanner>
                            </digitization_details>
                            <number_real_images>45</number_real_images>
                            <average_electron_dose_per_image units="e/&#8491;^2">15</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>Selected particles were low-pass filtered at 10 Angstrom. Asymmetric reconstruction was performed with breaksym option in EMAN2.</details>
                <ctf_correction>
                    <details>Each image</details>
                </ctf_correction>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">23.4</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>EMAN2</name>
                        </software>
                    </software_list>
                    <details>The breaksym option in EMAN2 was used to search for the icosahedrally-related orientations.</details>
                    <number_images_used>27026</number_images_used>
                </final_reconstruction>
                <final_two_d_classification>
                    <number_classes>2300</number_classes>
                </final_two_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="432001">
        <file>emd_5673.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>480</col>
            <row>480</row>
            <sec>480</sec>
        </dimensions>
        <origin>
            <col>-240</col>
            <row>-240</row>
            <sec>-240</sec>
        </origin>
        <spacing>
            <x>480</x>
            <y>480</y>
            <z>480</z>
        </spacing>
        <cell>
            <a units="&#8491;">590.4</a>
            <b units="&#8491;">590.4</b>
            <c units="&#8491;">590.4</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>-8.519919399999999</minimum>
            <maximum>13.191069600000001</maximum>
            <average>0.15144682</average>
            <std>1.46808076</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">1.23</x>
            <y units="&#8491;">1.23</y>
            <z units="&#8491;">1.23</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>1.0</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>Asymmetric reconstruction of ev71-Fab complex</annotation_details>
        <details>::::EMDATABANK.org::::EMD-5673::::</details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>3GK8</access_code>
                    <chain>
                        <chain_id>H</chain_id>
                    </chain>
                    <chain>
                        <chain_id>L</chain_id>
                    </chain>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>Chimera</name>
                    </software>
                </software_list>
                <details>The Fab structure was fitted manually, then refined in Chimera.</details>
                <target_criteria>correlation coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>