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    <admin>
        <current_status>
            <date>2020-12-09</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-02-03</deposition>
            <header_release>2020-02-19</header_release>
            <map_release>2020-02-19</map_release>
            <update>2020-12-09</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Health and Medical Research Council (NHMRC, Australia)</funding_body>
                <code>1120919</code>
                <country>Australia</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Health and Medical Research Council (NHMRC, Australia)</funding_body>
                <code>1150083</code>
                <country>Australia</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Health and Medical Research Council (NHMRC, Australia)</funding_body>
                <code>1159006</code>
                <country>Australia</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Science and Technology</funding_body>
                <code>18069571</code>
                <country>Japan</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Japan Society for the Promotion of Science (JSPS)</funding_body>
                <code>18H06043</code>
                <country>Japan</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM map of PAC1 receptor bound to PACAP38 and Gs protein</title>
        <authors_list>
            <author>Liang YL</author>
            <author>Belousoff MJ</author>
            <author>Zhao P</author>
            <author>Danev R</author>
            <author>Sexton PM</author>
            <author>Wootten D</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Liang YL</author>
                    <author order="2">Belousoff MJ</author>
                    <author order="3">Zhao P</author>
                    <author order="4">Koole C</author>
                    <author order="5">Fletcher MM</author>
                    <author order="6">Truong TT</author>
                    <author order="7">Julita V</author>
                    <author order="8">Christopoulos G</author>
                    <author order="9">Xu HE</author>
                    <author order="10">Zhang Y</author>
                    <author order="11">Khoshouei M</author>
                    <author order="12">Christopoulos A</author>
                    <author order="13">Danev R</author>
                    <author order="14">Sexton PM</author>
                    <author order="15">Wootten D</author>
                    <title>Toward a Structural Understanding of Class B GPCR Peptide Binding and Activation.</title>
                    <journal_abbreviation>Mol.Cell</journal_abbreviation>
                    <country>US</country>
                    <volume>77</volume>
                    <first_page>656</first_page>
                    <last_page>668.e5</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">32004469</external_references>
                    <external_references type="DOI">doi:10.1016/j.molcel.2020.01.012</external_references>
                    <external_references type="ISSN">1097-2765</external_references>
                    <external_references type="CSD">2168</external_references>
                    <external_references type="ASTM">MOCEFL</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-20278</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Earlier map</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-0993</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
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        <name>PAC1 receptor bound to PACAP38 and Gs protein</name>
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            <complex_supramolecule supramolecule_id="1">
                <name>PAC1 receptor bound to PACAP38 and Gs protein</name>
                <parent>0</parent>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                </recombinant_expression>
                <molecular_weight>
                    <theoretical units="kDa/nm">150</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_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">4.35</concentration>
                    <buffer>
                        <ph>7.4</ph>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER/RHODIUM</material>
                        <mesh>200</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                    </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>
                        <details>blot time 10 s. </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>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.4</nominal_defocus_min>
                    <calibrated_defocus_min units="µm">0.4</calibrated_defocus_min>
                    <nominal_defocus_max units="µm">1.6</nominal_defocus_max>
                    <calibrated_defocus_max units="µm">1.6</calibrated_defocus_max>
                    <nominal_magnification>105000.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <specialist_optics>
                        <phase_plate>VOLTA PHASE PLATE</phase_plate>
                        <energy_filter>
                            <name>GIF Quantum LS</name>
                            <slit_width units="eV">25</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>7650</number_real_images>
                            <average_exposure_time units="s">3.715</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">64.0</average_electron_dose_per_image>
                            <details>Volta phase plate images: 4032; Conventional defocus images: 3618</details>
                        </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>5500000</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>Gctf</name>
                        </software>
                    </software_list>
                </ctf_correction>
                <startup_model type_of_model="OTHER">
                    <details>20A low-pass filtered GPCR map from previous experiment.</details>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">2.65</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <processing_details>3</processing_details>
                        </software>
                    </software_list>
                    <number_images_used>390000</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <processing_details>3</processing_details>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <processing_details>3</processing_details>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>3</number_classes>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <processing_details>3</processing_details>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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                <file>emd_0993_msk_1.map</file>
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                    <b units="Å">212.432</b>
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