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    <admin>
        <current_status>
            <date>2024-10-16</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-12-26</deposition>
            <header_release>2020-04-01</header_release>
            <map_release>2020-04-01</map_release>
            <update>2024-10-16</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Ministry of Science and Technology (MoST, China)</funding_body>
                <code>2018YFA0507000</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Ministry of Science and Technology (MoST, China)</funding_body>
                <code>2017YFA0504703</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Science Foundation (NSF, China)</funding_body>
                <code>31825010</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Science Foundation (NSF, China)</funding_body>
                <code>81525024</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Science Foundation (NSF, China)</funding_body>
                <code>31830020</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Chinese Academy of Sciences</funding_body>
                <code>QYZDB-SSW-SMC024</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Chinese Academy of Sciences</funding_body>
                <code>QYZDB-SSW-SMC054</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Ministry of Science and Technology (MoST, China)</funding_body>
                <code>2018ZX09711002</code>
                <country>China</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of the human glucagon receptor in complex with Gi1</title>
        <authors_list>
            <author>Qiao A</author>
            <author>Han S</author>
        </authors_list>
        <keywords>glucagon receptor, GPCR, Gi1 protein, SIGNALING PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0003-1490-9779" order="1">Qiao A</author>
                    <author ORCID="0000-0003-0760-0183" order="2">Han S</author>
                    <author ORCID="0000-0002-6202-218X" order="3">Li X</author>
                    <author ORCID="0000-0002-4288-5025" order="4">Li Z</author>
                    <author ORCID="0000-0003-0185-0595" order="5">Zhao P</author>
                    <author ORCID="0000-0003-4241-5346" order="6">Dai A</author>
                    <author ORCID="0000-0002-2880-7952" order="7">Chang R</author>
                    <author ORCID="0000-0001-8435-9683" order="8">Tai L</author>
                    <author ORCID="0000-0001-5006-7148" order="9">Tan Q</author>
                    <author ORCID="0000-0002-0262-0225" order="10">Chu X</author>
                    <author ORCID="0000-0002-1464-3125" order="11">Ma L</author>
                    <author ORCID="0000-0002-4301-7342" order="12">Thorsen TS</author>
                    <author ORCID="0000-0002-9216-3311" order="13">Reedtz-Runge S</author>
                    <author ORCID="0000-0003-3028-3243" order="14">Yang D</author>
                    <author ORCID="0000-0001-6550-9017" order="15">Wang MW</author>
                    <author ORCID="0000-0001-8902-2473" order="16">Sexton PM</author>
                    <author ORCID="0000-0003-4563-1642" order="17">Wootten D</author>
                    <author ORCID="0000-0002-0351-5144" order="18">Sun F</author>
                    <author ORCID="0000-0001-6251-6676" order="19">Zhao Q</author>
                    <author ORCID="0000-0002-1936-0909" order="20">Wu B</author>
                    <title>Structural basis of Gsand Girecognition by the human glucagon receptor.</title>
                    <journal_abbreviation>Science</journal_abbreviation>
                    <country>US</country>
                    <volume>367</volume>
                    <first_page>1346</first_page>
                    <last_page>1352</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">32193322</external_references>
                    <external_references type="DOI">doi:10.1126/science.aaz5346</external_references>
                    <external_references type="ISSN">1095-9203</external_references>
                    <external_references type="CSD">0038</external_references>
                    <external_references type="ASTM">SCIEAS</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6lml</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Complex of glucagon receptor bound to glucagon, Gi1 protein and antibody</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Complex of glucagon receptor bound to glucagon, Gi1 protein and antibody</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>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Guanine nucleotide-binding protein G(i) subunit alpha-1</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.040414046999999995</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="10469">unidentified baculovirus</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGCTLSAEDKAAVERSKMIDRNLREDGEKAAREVKLLLLGAGESGKNTIVKQMKIIHEAGYSEEECKQYKAVVYSNTIQS
IIAIIRAMGRLKIDFGDSARADDARQLFVLAGAAEEGFMTAELAGVIKRLWKDSGVQACFNRSREYQLNDSAAYYLNDLD
RIAQPNYIPTQQDVLRTRVKTTGIVETHFTFKDLHFKMFDVGAQRSERKKWIHCFEGVTAIIFCVALSDYDLVLAEDEEM
NRMHASMKLFDSICNNKWFTDTSIILFLNKKDLFEEKIKKSPLTICYPEYAGSNTYEEAAAYIQCQFEDLNKRKDTKEIY
THFTCSTDTKNVQFVFDAVTDVIIKNNLKDCGLF</string>
                    <external_references type="UNIPROTKB">P63096</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.038744371</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="10469">unidentified baculovirus</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MHHHHHHGSLLQSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRL
LVSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCC
RFLDDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDI
NAICFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLA
GHDNRVSCLGVTDDGMAVATGSWDSFLKIWN</string>
                    <external_references type="UNIPROTKB">P62873</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.007861143</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="10469">unidentified baculovirus</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MASNNTASIAQARKLVEQLKMEANIDRIKVSKAAADLMAYCEAHAKEDPLLTPVPASENPFREKKFFCAIL</string>
                    <external_references type="UNIPROTKB">P59768</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>scFv16</name>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.026337307</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="10469">unidentified baculovirus</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>DVQLVESGGGLVQPGGSRKLSCSASGFAFSSFGMHWVRQAPEKGLEWVAYISSGSGTIYYADTVKGRFTISRDDPKNTLF
LQMTSLRSEDTAMYYCVRSIYYYGSSPFDFWGQGTTLTVSSGGGGSGGGGSGGGGSDIVMTQATSSVPVTPGESVSISCR
SSKSLLHSNGNTYLYWFLQRPGQSPQLLIYRMSNLASGVPDRFSGSGSGTAFTLTISRLEAEDVGVYYCMQHLEYPLTFG
AGTKLEL</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Glucagon</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.003486781</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>HSQGTFTSDYSKYLDSRRAQDFVQWLMNT</string>
                    <external_references type="UNIPROTKB">P01275</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>Glucagon receptor</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.04857141</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="10469">unidentified baculovirus</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>QVMDFLFEKWKLYGDQCHHNLSLLPPPTELVCNRTFDKYSCWPDTPANTTANISCPWYLPWHHKVQHRFVFKRCGPDGQW
VRGPRGQPWRDASQCQMDGREIEVQKEVAKMYSSFQVMYTVGYSLSLGALLLALAILGGLSKLHCTRNAIHANLFASFVL
KASSVLVIDGLLRWRYSQKIGDDLSVSTWLSDGAVAGCRVAAVFMQYGIVANYCWLLVEGLYLHNLLGLATLPERSFFSL
YLGIGWGAPMLFVVPWAVVKCLFENVQCWTSNDNMGFWWILRFPVFLAILINFFIFVRIVQLLVAKLRARQMHHTDYKFR
LAKSTLTLIPLLGVHEVVFMFVTDEHAQGTLRSAKLFFDLFLSSFQGLLVAVLYCFLNKEVQSELRRRWHRWRLGKVLWE
ERNTSNGSGSEDQVDPRLIDGK</string>
                    <external_references type="UNIPROTKB">P47871</external_references>
                </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">
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </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>
                            <average_electron_dose_per_image units="e/Å^2">1.875</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>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>5YQZ</pdb_id>
                    </pdb_model>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.9</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>312974</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>256</col>
            <row>256</row>
            <sec>256</sec>
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            <col>0</col>
            <row>0</row>
            <sec>0</sec>
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        <spacing>
            <x>256</x>
            <y>256</y>
            <z>256</z>
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        <cell>
            <a units="Å">209.92</a>
            <b units="Å">209.92</b>
            <c units="Å">209.92</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>
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        <statistics>
            <minimum>-0.04249663</minimum>
            <maximum>0.060105223</maximum>
            <average>-0.0000054543434</average>
            <std>0.002095241</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.82</x>
            <y units="Å">0.82</y>
            <z units="Å">0.82</z>
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            <contour primary="true">
                <level>0.012</level>
                <source>AUTHOR</source>
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