<?xml version="1.0" encoding="UTF-8"?>
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    <admin>
        <current_status>
            <date>2024-10-30</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-06-29</deposition>
            <header_release>2022-04-13</header_release>
            <map_release>2022-04-13</map_release>
            <update>2024-10-30</update>
        </key_dates>
        <title>cryo-EM of human Gastric inhibitory polypeptide receptor GIPR bound to GIP</title>
        <authors_list>
            <author>Sun B</author>
            <author>Kobilka BK</author>
        </authors_list>
        <keywords>Class B GPCR, glucagon-like peptide-1 receptor, G protein nucleotide exchange factor., MEMBRANE PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Sun B</author>
                    <author order="2">Willard FS</author>
                    <author order="3">Feng D</author>
                    <author order="4">Alsina-Fernandez J</author>
                    <author ORCID="0000-0003-1256-0366" order="5">Chen Q</author>
                    <author order="6">Vieth M</author>
                    <author order="7">Ho JD</author>
                    <author order="8">Showalter AD</author>
                    <author order="9">Stutsman C</author>
                    <author order="10">Ding L</author>
                    <author order="11">Suter TM</author>
                    <author order="12">Dunbar JD</author>
                    <author order="13">Carpenter JW</author>
                    <author ORCID="0000-0002-6044-7598" order="14">Mohammed FA</author>
                    <author order="15">Aihara E</author>
                    <author ORCID="0000-0003-0156-1777" order="16">Brown RA</author>
                    <author ORCID="0000-0002-4190-6891" order="17">Bueno AB</author>
                    <author order="18">Emmerson PJ</author>
                    <author ORCID="0000-0003-1779-1390" order="19">Moyers JS</author>
                    <author order="20">Kobilka TS</author>
                    <author ORCID="0000-0002-0894-1505" order="21">Coghlan MP</author>
                    <author ORCID="0000-0001-5958-3990" order="22">Kobilka BK</author>
                    <author ORCID="0000-0001-6748-9929" order="23">Sloop KW</author>
                    <title>Structural determinants of dual incretin receptor agonism by tirzepatide.</title>
                    <journal_abbreviation>Proc.Natl.Acad.Sci.USA</journal_abbreviation>
                    <country>US</country>
                    <volume>119</volume>
                    <first_page>e2116506119</first_page>
                    <last_page>e2116506119</last_page>
                    <year>2022</year>
                    <external_references type="PUBMED">35333651</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.2116506119</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>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7ra3</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>cryo-EM of human Gastric inhibitory polypeptide receptor GIPR bound to GIP, trimeric G protein complex and stabilizing antibodies</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>cryo-EM of human Gastric inhibitory polypeptide receptor GIPR bound to GIP, trimeric G protein complex and stabilizing antibodies</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>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <molecular_weight>
                    <theoretical units="MDa">0.15</theoretical>
                </molecular_weight>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="2">
                <name>Gastric inhibitory polypeptide GIP bound to GIP receptor GIPR</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="3">
                <name>Trimeric stimulatory G protein</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</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-3,Isoform Gnas-2 of Guanine nucleotide-binding protein G(s) subunit alpha isoforms short</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.043385245999999995</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGCTLSAEDKAAVERSKMIEKQLQKDKQVYRATHRLLLLGAGESGKSTIVKQMRILHVNGFNGDSEKATKVQDIKNNLKE
AIETIVAAMSNLVPPVELANPENQFRVDYILSVMNVPDFDFPPEFYEHAKALWEDEGVRACYERSNEYQLIDCAQYFLDK
IDVIKQADYVPSDQDLLRCRVLTSGIFETKFQVDKVNFHMFDVGGQRDERRKWIQCFNDVTAIIFVVASSSYNMVIREDN
QTNRLQEALNLFKSIWNNRWLRTISVILFLNKQDLLAEKVLAGKSKIEDYFPEFARYTTPEDATPEPGEDPRVTRAKYFI
RDEFLRISTASGDGRHYCYPHFTCAVDTENIRRVFNDCRDIIQRMHLRQYELL</string>
                    <external_references type="UNIPROTKB">P08754</external_references>
                    <external_references type="UNIPROTKB">P63092</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">0.038534061999999994</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MHHHHHHGSSGSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLL
VSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCR
FLDDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDIN
AICFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAG
HDNRVSCLGVTDDGMAVATGSWDSFLKIWN</string>
                    <external_references type="UNIPROTKB">P62873</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Single-chain variable fragment 16</name>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.031870629</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MLLVNQSHQGFNKEHTSKMVSAIVLYVLLAAAAHSAFADVQLVESGGGLVQPGGSRKLSCSASGFAFSSFGMHWVRQAPE
KGLEWVAYISSGSGTIYYADTVKGRFTISRDDPKNTLFLQMTSLRSEDTAMYYCVRSIYYYGSSPFDFWGQGTTLTVSSG
GGGSGGGGSGGGGSDIVMTQATSSVPVTPGESVSISCRSSKSLLHSNGNTYLYWFLQRPGQSPQLLIYRMSNLASGVPDR
FSGSGSGTAFTLTISRLEAEDVGVYYCMQHLEYPLTFGAGTKLELKAAAHHHHHHHH</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <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="7111">Trichoplusia ni</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="5">
                <name>Nanobody 35</name>
                <natural_source database="NCBI">
                    <organism ncbi="9844">Lama glama</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.017352497999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKYLLPTAAAGLLLLAAQPAMAQVQLQESGGGLVQPGGSLRLSCAASGFTFSNYKMNWVRQAPGKGLEWVSDISQSGASI
SYTGSVKGRFTISRDNAKNTLYLQMNSLKPEDTAVYYCARCPAPFTRDCFDVTSTTYAYRGQGTQVTVSSHHHHHHEPEA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>Gastric inhibitory polypeptide</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.004990586</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>YAEGTFISDYSIAMDKIHQQDFVNWLLAQKGKKNDWKHNITQ</string>
                    <external_references type="UNIPROTKB">P09681</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>Gastric inhibitory polypeptide receptor</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.052871800999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>DYKDDDDAAALEVLFQGPRAETGSKGQTAGELYQRWERYRRECQETLAAAEPPSGLACNGSFDMYVCWDYAAPNATARAS
CPWYLPWHHHVAAGFVLRQCGSDGQWGLWRDHTQCENPEKNEAFLDQRLILERLQVMYTVGYSLSLATLLLALLILSLFR
RLHCTRNYIHINLFTSFMLRAAAILSRDRLLPRPGPYLGDQALALWNQALAACRTAQIVTQYCVGANYTWLLVEGVYLHS
LLVLVGGSEEGHFRYYLLLGWGAPALFVIPWVIVRYLYENTQCWERNEVKAIWWIIRTPILMTILINFLIFIRILGILLS
KLRTRQMRCRDYRLRLARSTLTLVPLLGVHEVVFAPVTEEQARGALRFAKLGFEIFLSSFQGFLVSVLYCFINKEVQSEI
RRGWHHCRLRRSLGEEQRQLPERAFRALPSGSGPGEVPTSRGLSSGTLPGPGNEASRELESYC</string>
                    <external_references type="UNIPROTKB">P48546</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">
                    <concentration units="mg/mL">10</concentration>
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">293</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </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>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Quantum LS</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 K3 (6k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details/>
                            <average_exposure_time units="s">1.5</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">53.6</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="EMDB MAP">
                    <emdb_id>EMD-8653</emdb_id>
                </startup_model>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">3.24</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>145195</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>NOT APPLICABLE</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>NOT APPLICABLE</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_24334.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>400</col>
            <row>400</row>
            <sec>400</sec>
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        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
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        <spacing>
            <x>400</x>
            <y>400</y>
            <z>400</z>
        </spacing>
        <cell>
            <a units="Å">259.2</a>
            <b units="Å">259.2</b>
            <c units="Å">259.2</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>-0.013229543</minimum>
            <maximum>0.02729491</maximum>
            <average>-0.0000045505462</average>
            <std>0.0009829912</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.648</x>
            <y units="Å">0.648</y>
            <z units="Å">0.648</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.007</level>
                <source>AUTHOR</source>
            </contour>
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        <label>::::EMDATABANK.org::::EMD-24334::::</label>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>6VCB</access_code>
                    <chain>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
