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    <admin>
        <current_status>
            <date>2018-07-18</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2017-03-10</deposition>
            <header_release>2017-03-22</header_release>
            <map_release>2017-04-12</map_release>
            <update>2018-07-18</update>
        </key_dates>
        <title>CryoEM Structure of a Prokaryotic Cyclic Nucleotide-Gated Ion Channel</title>
        <authors_list>
            <author>James ZM</author>
            <author>Borst AJ</author>
            <author>Haitin Y</author>
            <author>Frenz B</author>
            <author>DiMaio F</author>
            <author>Zagotta WN</author>
            <author>Veesler D</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">James ZM</author>
                    <author order="2">Borst AJ</author>
                    <author order="3">Haitin Y</author>
                    <author order="4">Frenz B</author>
                    <author order="5">DiMaio F</author>
                    <author order="6">Zagotta WN</author>
                    <author order="7">Veesler D</author>
                    <title>CryoEM structure of a prokaryotic cyclic nucleotide-gated ion channel.</title>
                    <journal_abbreviation>Proc. Natl. Acad. Sci. U.S.A.</journal_abbreviation>
                    <country>US</country>
                    <volume>114</volume>
                    <first_page>4430</first_page>
                    <last_page>4435</last_page>
                    <year>2017</year>
                    <external_references type="PUBMED">28396445</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.1700248114</external_references>
                    <external_references type="ISSN">1091-6490</external_references>
                    <external_references type="CSD">0040</external_references>
                    <external_references type="ASTM">PNASA6</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-8633</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
                <details>CryoEM Structure of a Prokaryotic Cyclic Nucleotide-Gated Ion Channel</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-8632</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5v4s</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>LliK</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>LliK</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="1049972">Leptospira licerasiae serovar Varillal str. VAR 010</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <molecular_weight>
                    <theoretical units="MDa">0.2</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>LliK</name>
                <natural_source database="NCBI">
                    <organism ncbi="1049972">Leptospira licerasiae serovar Varillal str. VAR 010</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKHHHHHHHHPMSDVDIPTTENLYFQGSGSMGITLKNRIRVYWDILVFICIFWASLESPLRIVINYDPNLLLTCIYFFIDFVFALDIL
WNCFTPEYKDGKWILTRSQVIKDYLGSWFIIDLIAALPLEYATTTIFGLQQSQYPYLYLLLGVTRILKVFRISDILQRINLAFQPTPGI
LRLVLFAFWATLVAHWCAVGWLYVDDLLDYQTGWSEYIIALYWTVATIATVGYGDITPSTDSQRIYTIFVMILGAGVYATVIGNIASIL
GSLDLAKAAQRKKMAQVDSFLKARNISQNIRRRVRDYYMYIIDRGWGEDENALLNDLPISLRREVKIQLHRDLLEKVPFLKGADPALVT
SLVFSMKPMIFLEGDTIFRRGEKGDDLYILSEGSVDILDSDEKTILLSLQEGQFFGELALVMDAPRSATVRATTTCEIYTLSKTDFDNVLKRFSQFRSAIEESVAHLKKR</string>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
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        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
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                <single_particle_preparation preparation_id="1">
                    <concentration units="mg/mL">0.9</concentration>
                    <buffer>
                        <ph>7.9</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <name>Tris</name>
                        </component>
                        <component>
                            <concentration units="mM">150.0</concentration>
                            <formula>KCl</formula>
                            <name>Potassium Chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">0.05</concentration>
                            <name>LMNG</name>
                        </component>
                        <component>
                            <concentration units="mM">0.005</concentration>
                            <name>Cholesterol Hemi-Succinate</name>
                        </component>
                        <component>
                            <concentration units="mM">0.02</concentration>
                            <name>cAMP</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <mesh>400</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <details />
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</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/&#8491;^2">1.4</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
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            </microscopy_list>
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                <image_recording_id>1</image_recording_id>
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                    <number_selected>379000</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>Gctf</name>
                        </software>
                    </software_list>
                </ctf_correction>
                <startup_model type_of_model="OTHER">
                    <details>e2initialmodel.py</details>
                </startup_model>
                <final_reconstruction>
                    <resolution res_type="BY AUTHOR" units="&#8491;">4.2</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2.0</version>
                        </software>
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                    <number_images_used>18737</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing />
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2.0</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing />
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2.0</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>2.0</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_8633.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>232</col>
            <row>232</row>
            <sec>232</sec>
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        <origin>
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            <row>0</row>
            <sec>0</sec>
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        <cell>
            <a units="&#8491;">316.796</a>
            <b units="&#8491;">316.796</b>
            <c units="&#8491;">316.796</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>-0.023005761</minimum>
            <maximum>0.061287668</maximum>
            <average>0.0003627006</average>
            <std>0.0031903565</std>
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        <pixel_spacing>
            <x units="&#8491;">1.3655</x>
            <y units="&#8491;">1.3655</y>
            <z units="&#8491;">1.3655</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.024</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-8633::::</label>
        <annotation_details>Unsharpened map</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>OTHER</refinement_protocol>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>