<?xml version='1.0' encoding='utf-8'?>
<emd emdb_id="EMD-4320" version="3.0.2.6" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_2_6/emdb.xsd">
    <admin>
        <current_status>
            <date>2021-11-29</date>
            <code>OBS</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2018-02-27</deposition>
            <header_release>2021-12-08</header_release>
            <obsolete>2021-12-08</obsolete>
            <update>2021-11-29</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Suppressed</funding_body>
                <code>Suppressed</code>
                <country>Suppressed</country>
            </grant_reference>
        </grant_support>
        <title>Suppressed</title>
        <authors_list>
            <author>Suppressed X</author>
            <author>Suppressed X</author>
            <author>Suppressed X</author>
            <author>Suppressed X</author>
            <author>Suppressed X</author>
            <author>Suppressed X</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author order="1">Suppressed X</author>
                    <author order="2">Suppressed X</author>
                    <author order="3">Suppressed X</author>
                    <author order="4">Suppressed X</author>
                    <author order="5">Suppressed X</author>
                    <author order="6">Suppressed X</author>
                    <title>Suppressed</title>
                    <journal_abbreviation>Suppressed</journal_abbreviation>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-4320</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
                <details>Suppressed</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6fus</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Suppressed</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Suppressed</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>
                <details>Suppressed</details>
                <natural_source database="NCBI">
                    <organism ncbi="32644">Suppressed</organism>
                    <strain>Suppressed</strain>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="32644">Suppressed</recombinant_organism>
                </recombinant_expression>
                <molecular_weight>
                    <theoretical units="MDa">1</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Suppressed</name>
                <natural_source database="NCBI">
                    <organism ncbi="32644">Suppressed</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">1e-06</theoretical>
                </molecular_weight>
                <details>GPA in the sequence from -2 to 0 are encoded from the expression vector.</details>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="32644">Suppressed</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>X</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Suppressed</name>
                <natural_source database="NCBI">
                    <organism ncbi="32644">Suppressed</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">1e-06</theoretical>
                </molecular_weight>
                <number_of_copies>12</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="32644">Suppressed</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>X</string>
                </sequence>
            </protein_or_peptide>
            <rna macromolecule_id="3">
                <name>Suppressed</name>
                <natural_source database="NCBI">
                    <organism ncbi="32644">Suppressed</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">1e-06</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <sequence>
                    <string>X</string>
                </sequence>
            </rna>
        </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">0.000000059</concentration>
                    <buffer>
                        <ph>7.9</ph>
                        <component>
                            <concentration units="mM">10.0</concentration>
                            <formula>KCl</formula>
                            <name>potasium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">40.0</concentration>
                            <formula>NaCl</formula>
                            <name>sodium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>C8H18N2O4S</formula>
                            <name>HEPES</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <formula>C9H15O6P</formula>
                            <name>TCEP</name>
                        </component>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <formula>MgCl2</formula>
                            <name>magnesium chloride</name>
                        </component>
                        <details>Solutions were made fresh and filtered through 0.2 um filter.</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil, UltrAuFoil, R1.2/1.3</model>
                        <material>GOLD</material>
                        <mesh>300</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <atmosphere>AIR</atmosphere>
                            <pressure units="kPa">0.02</pressure>
                        </pretreatment>
                        <details>grids were coated with graphene oxide prior to use</details>
                    </grid>
                    <details>This sample was monodisperse from Sec-Mals column purification.</details>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <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>
                    <c2_aperture_diameter units="µm">132.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.0</nominal_cs>
                    <nominal_defocus_min units="µm">1.25</nominal_defocus_min>
                    <calibrated_defocus_min units="µm">1.218</calibrated_defocus_min>
                    <nominal_defocus_max units="µm">3.0</nominal_defocus_max>
                    <calibrated_defocus_max units="µm">3.461</calibrated_defocus_max>
                    <nominal_magnification>125000.0</nominal_magnification>
                    <calibrated_magnification>130841.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_min units="K">70.0</temperature_min>
                        <temperature_max units="K">100.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <coma_free />
                    </alignment_procedure>
                    <specialist_optics>
                        <sph_aberration_corrector>Microscope was modified with a Cs corrector with two hexapole element</sph_aberration_corrector>
                    </specialist_optics>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI FALCON III (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">4096</width>
                                    <height units="pixel">4096</height>
                                </dimensions>
                                <sampling_interval units="µm">5.0</sampling_interval>
                            </digitization_details>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>917</number_real_images>
                            <average_exposure_time units="s">0.8</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">27.925</average_electron_dose_per_image>
                            <details>Images were collected in movie-counting mode. 75 frames per movie stack, 60 second per movie stack</details>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <details>The selected images were low-pass filtered at 20 Angstrom and normalized</details>
                <particle_selection>
                    <number_selected>482426</number_selected>
                    <details>482426 were selected for initial 2D classification</details>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>Gctf</name>
                            <version>9.03</version>
                            <processing_details>gctf</processing_details>
                        </software>
                    </software_list>
                </ctf_correction>
                <startup_model type_of_model="NONE">
                    <details>Using SGD program inside Relion package to produce the initial model for 3D classification</details>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>C2</point_group>
                    </applied_symmetry>
                    <algorithm>FOURIER SPACE</algorithm>
                    <resolution res_type="BY AUTHOR" units="Å">3.18</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>V2</version>
                            <processing_details>relion</processing_details>
                        </software>
                    </software_list>
                    <details>Relion V2 was used for the reconstruction</details>
                    <number_images_used>58982</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2</version>
                            <processing_details>relion</processing_details>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2</version>
                            <processing_details>relion</processing_details>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>200</number_classes>
                    <average_number_members_per_class>2412.0</average_number_members_per_class>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2</version>
                            <processing_details>relion</processing_details>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="62501">
        <file>emd_4320.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>250</col>
            <row>250</row>
            <sec>250</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>250</x>
            <y>250</y>
            <z>250</z>
        </spacing>
        <cell>
            <a units="Å">267.5</a>
            <b units="Å">267.5</b>
            <c units="Å">267.5</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>-0.4335897</minimum>
            <maximum>0.70426136</maximum>
            <average>2.1938586e-05</average>
            <std>0.020547332</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.07</x>
            <y units="Å">1.07</y>
            <z units="Å">1.07</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.108</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-4320::::</label>
        <annotation_details>Suppressed</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>1U1S</access_code>
                    <chain>
                        <chain_id>A</chain_id>
                        <chain_id>B</chain_id>
                        <residue_range>1-259</residue_range>
                    </chain>
                </initial_model>
                <initial_model>
                    <access_code>4JG3</access_code>
                    <chain>
                        <chain_id>C</chain_id>
                        <chain_id>D</chain_id>
                        <chain_id>E</chain_id>
                        <chain_id>F</chain_id>
                        <chain_id>G</chain_id>
                        <chain_id>H</chain_id>
                        <chain_id>I</chain_id>
                        <chain_id>J</chain_id>
                        <chain_id>K</chain_id>
                        <chain_id>L</chain_id>
                        <chain_id>M</chain_id>
                        <chain_id>N</chain_id>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <target_criteria>Cross-correlation coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
                <overall_bvalue>90.0</overall_bvalue>
            </modelling>
        </modelling_list>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="62501">
                <file>emd_4320_half_map_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>250</col>
                    <row>250</row>
                    <sec>250</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>250</x>
                    <y>250</y>
                    <z>250</z>
                </spacing>
                <cell>
                    <a units="Å">267.5</a>
                    <b units="Å">267.5</b>
                    <c units="Å">267.5</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>-0.048163787</minimum>
                    <maximum>0.08980633</maximum>
                    <average>1.0046427e-05</average>
                    <std>0.0033002219</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.07</x>
                    <y units="Å">1.07</y>
                    <z units="Å">1.07</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-4320::::</label>
                <annotation_details>Suppressed</annotation_details>
            </half_map>
            <half_map format="CCP4" size_kbytes="62501">
                <file>emd_4320_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>250</col>
                    <row>250</row>
                    <sec>250</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>250</x>
                    <y>250</y>
                    <z>250</z>
                </spacing>
                <cell>
                    <a units="Å">267.5</a>
                    <b units="Å">267.5</b>
                    <c units="Å">267.5</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>-0.04460667</minimum>
                    <maximum>0.09723633</maximum>
                    <average>1.1892159e-05</average>
                    <std>0.003312789</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.07</x>
                    <y units="Å">1.07</y>
                    <z units="Å">1.07</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-4320::::</label>
                <annotation_details>Suppressed</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>