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    <admin>
        <current_status>
            <date>2019-05-01</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2018-12-13</deposition>
            <header_release>2019-01-16</header_release>
            <map_release>2019-02-13</map_release>
            <update>2019-05-01</update>
        </key_dates>
        <title>Type III-A CRISPR Effector Subcomplex from Staphylococcus epidermidis RP62a</title>
        <authors_list>
            <author>Dorsey BW</author>
            <author>Mondragon A</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Dorsey BW</author>
                    <author order="2">Huang L</author>
                    <author order="3">Mondragon A</author>
                    <title>Structural organization of a Type III-A CRISPR effector subcomplex determined by X-ray crystallography and cryo-EM.</title>
                    <journal_abbreviation>Nucleic Acids Res.</journal_abbreviation>
                    <country>UK</country>
                    <volume>47</volume>
                    <first_page>3765</first_page>
                    <last_page>3783</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">30759237</external_references>
                    <external_references type="DOI">doi:10.1093/nar/gkz079</external_references>
                    <external_references type="ISSN">1362-4962</external_references>
                    <external_references type="CSD">0389</external_references>
                    <external_references type="ASTM">NARHAD</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-0442</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Type III-A CRISPR Effector Subcomplex from Staphylococcus epidermidis RP62a</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Type III-A CRISPR Effector Subcomplex from Staphylococcus epidermidis RP62a</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
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                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
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                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="176279">Staphylococcus epidermidis RP62A</organism>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">0.255</experimental>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
    </sample>
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            <method>singleParticle</method>
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                <single_particle_preparation preparation_id="1">
                    <concentration units="mg/mL">0.20</concentration>
                    <buffer>
                        <ph>8.0</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>C4H11NO3</formula>
                            <name>Tris</name>
                        </component>
                        <component>
                            <concentration units="mM">500.0</concentration>
                            <formula>NaCl</formula>
                            <name>Sodium chloride</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>C-flat-1.2/1.3 4C</model>
                        <material>COPPER</material>
                        <mesh>400</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                        </pretreatment>
                        <details>Glow discharged with 15mA.</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">99</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>Blot for 4 seconds with +5 force before plunging.. </details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>JEOL 3200FS</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">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.0</nominal_cs>
                    <nominal_defocus_min units="µm">2.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.5</nominal_defocus_max>
                    <nominal_magnification>30000.</nominal_magnification>
                    <calibrated_magnification>40323.</calibrated_magnification>
                    <specimen_holder_model>GATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_min units="K">100.0</temperature_min>
                        <temperature_max units="K">100.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <coma_free />
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>In-column Omega Filter</name>
                            <slit_width units="eV">20</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <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>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">3710</width>
                                    <height units="pixel">3838</height>
                                </dimensions>
                                <sampling_interval units="µm">5.0</sampling_interval>
                                <frames_per_image>1-40</frames_per_image>
                            </digitization_details>
                            <number_grids_imaged>7</number_grids_imaged>
                            <number_real_images>1037</number_real_images>
                            <average_exposure_time units="s">8.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">37.5</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>
                <particle_selection>
                    <number_selected>277413</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND</name>
                            <version>4.1</version>
                        </software>
                    </software_list>
                </ctf_correction>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <algorithm>FOURIER SPACE</algorithm>
                    <resolution res_type="BY AUTHOR" units="Å">5.2</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>107620</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>
                <final_three_d_classification>
                    <number_classes>4</number_classes>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_0442.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>244</col>
            <row>244</row>
            <sec>244</sec>
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            <row>0</row>
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        <spacing>
            <x>244</x>
            <y>244</y>
            <z>244</z>
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        <cell>
            <a units="Å">302.56</a>
            <b units="Å">302.56</b>
            <c units="Å">302.56</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
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        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
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        <statistics>
            <minimum>-0.027626785</minimum>
            <maximum>0.0711628</maximum>
            <average>0.00000088811134</average>
            <std>0.0019536428</std>
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        <pixel_spacing>
            <x units="Å">1.24</x>
            <y units="Å">1.24</y>
            <z units="Å">1.24</z>
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        <contour_list>
            <contour primary="true">
                <level>0.0185</level>
                <source>AUTHOR</source>
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        </contour_list>
        <label>::::EMDATABANK.org::::EMD-0442::::</label>
        <annotation_details>Type III-A CRISPR Effector Subcomplex from Staphylococcus epidermidis RP62a, primary map</annotation_details>
    </map>
</emd>