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            <date>2025-12-03</date>
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        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBc</last_processing>
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        <key_dates>
            <deposition>2025-05-15</deposition>
            <header_release>2025-11-19</header_release>
            <map_release>2025-11-19</map_release>
            <update>2025-12-03</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China (NSFC)</funding_body>
                <code>82121005</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China (NSFC)</funding_body>
                <code>32401012</code>
                <country>China</country>
            </grant_reference>
        </grant_support>
        <title>Composite map of the G protein-coupled receptor 1 (GPR1) bound to chemerin and beta-arrestin 2</title>
        <authors_list>
            <author>Cai H</author>
            <author>Lin X</author>
            <author>Zhao L</author>
            <author>He M</author>
            <author>Yu J</author>
            <author>Zhang B</author>
            <author>Ma Y</author>
            <author>Xie C</author>
            <author>Shui W</author>
            <author>Zhao Q</author>
            <author>Zhu Y</author>
            <author>Wu B</author>
        </authors_list>
        <keywords>G protein-coupled receptor 1, chemerin, beta-arrestin 2, signaling protein, MEMBRANE PROTEIN/IMMUNE SYSTEM, MEMBRANE PROTEIN-IMMUNE SYSTEM complex</keywords>
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        <citation_list>
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                <journal_citation published="true">
                    <author ORCID="0009-0006-3824-992X" order="1">Cai H</author>
                    <author ORCID="0000-0002-2777-5119" order="2">Lin X</author>
                    <author ORCID="0009-0008-8779-6000" order="3">Zhao L</author>
                    <author ORCID="0000-0002-3862-317X" order="4">He M</author>
                    <author ORCID="0009-0004-9569-5112" order="5">Yu J</author>
                    <author ORCID="0009-0004-1879-1389" order="6">Zhang B</author>
                    <author ORCID="0009-0000-6617-2065" order="7">Ma Y</author>
                    <author order="8">Chang X</author>
                    <author ORCID="0009-0006-7649-6235" order="9">Tang Y</author>
                    <author ORCID="0009-0004-8974-5099" order="10">Luo T</author>
                    <author ORCID="0009-0004-0233-7923" order="11">Jiang J</author>
                    <author order="12">Ma M</author>
                    <author order="13">Song W</author>
                    <author ORCID="0009-0007-5507-3716" order="14">Ma L</author>
                    <author ORCID="0000-0002-0262-0225" order="15">Chu X</author>
                    <author ORCID="0000-0003-4883-0989" order="16">Yi C</author>
                    <author ORCID="0000-0002-7727-2384" order="17">Chen K</author>
                    <author ORCID="0000-0003-0760-0183" order="18">Han S</author>
                    <author ORCID="0000-0002-4574-8456" order="19">Xie C</author>
                    <author ORCID="0000-0002-5245-2477" order="20">Shui W</author>
                    <author ORCID="0000-0001-6251-6676" order="21">Zhao Q</author>
                    <author ORCID="0000-0002-1730-5279" order="22">Zhu Y</author>
                    <author ORCID="0000-0002-1936-0909" order="23">Wu B</author>
                    <title>Noncanonical agonist-dependent and -independent arrestin recruitment of GPR1.</title>
                    <journal_abbreviation>Science</journal_abbreviation>
                    <country>US</country>
                    <volume>390</volume>
                    <first_page>eadt8794</first_page>
                    <last_page>eadt8794</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">41264711</external_references>
                    <external_references type="DOI">doi:10.1126/science.adt8794</external_references>
                    <external_references type="ISSN">1095-9203</external_references>
                    <external_references type="CSD">0038</external_references>
                    <external_references type="ASTM">SCIEAS</external_references>
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                <details>Cryo-EM structure of the G protein-coupled receptor 1 (GPR1) bound to chemerin and beta-arrestin 2 (focused refinement in chemerin and GPR1)</details>
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                <details>Composite map of the G protein-coupled receptor 1 (GPR1) bound to chemerin and beta-arrestin 2</details>
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    </crossreferences>
    <sample>
        <name>G protein-coupled receptor 1 in complex with chemerin and beta-arrestin2</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>G protein-coupled receptor 1 in complex with chemerin and beta-arrestin2</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_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>Retinoic acid receptor responder protein 2</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.017720475</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>MKTIIALSYIFCLVFAELTEAQRRGLQVALEEFHKHPPVQWAFQETSVESAVDTPFPAGIFVRLEFKLQQTSCRKRDWKK
PECKVRPNGRKRKCLACIKLGSEDKVLGRLVHCPIETQVLREAEEHQETQCLRVQRAGEDPHSFYFPGQFAFS</string>
                    <external_references type="UNIPROTKB">Q99969</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Nanobody 32</name>
                <natural_source database="NCBI">
                    <organism ncbi="2419741">Escherichia phage EcSzw-2</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013238716</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511693">Escherichia coli BL21</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>QVQLQESGGGLVQAGGSLRLSCVVSGFFFDTVTMAWYRRAPGKHRELVASATAGGTTTYADSVKDRFTISRDNAKNTVYL
QMNSLKPEDTAVYYCNTFVRSLSWGQGTQVTVSSHHHHHH</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Single-chain fragment variable 30 (scFv30)</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.026157861</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>SDIQMTQSPSSLSASVGDRVTITCRASQSVSSAVAWYQQKPGKAPKLLIYSASSLYSGVPSRFSGSRSGTDFTLTISSLQ
PEDFATYYCQQYKYVPVTFGQGTKVEIKGTTAASGSSGGSSSGAEVQLVESGGGLVQPGGSLRLSCAASGFNVYSSSIHW
VRQAPGKGLEWVASISSYYGYTYYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARSRQFWYSGLDYWGQGTLV
TVSSA</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Beta-arrestin-2,Beta-arrestin-1</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.04150848</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>MGEKPGTRVFKKSSPNGKLTVYLGKRDFVDHLDKVDPVDGVVLVDPDYLKDRKVFVTLTVAFRYGREDLDVLGLSFRKDL
FIATYQAFPPVPNPPRPPTRLQDRLLRKLGQHAHPFFFTIPQNLPSSVTLQPGPEDTGKALGVDFEIRAFVAKSLEEKSH
KRNSVRLVIRKVQFAPEKPGPQPSAETTRHFLMSDRSLHLEASLDKELYYHGEPLNVNVHVTNNSTKTVKKIKVSVRQYA
DIVLFSTAQYKVPVAQLEQDDQVSPSSTFSKVYTITPLLSDNREKRGLALDGKLKHEDTNLASSTIVKEGANKEVLGILV
SYRVKVKLVVSRGGDVSVELPFVLMHPKPKEEPPHREVPENETPVDTNL</string>
                    <external_references type="UNIPROTKB">P32121</external_references>
                    <external_references type="UNIPROTKB">P49407</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Chemerin-like receptor 2,Vasopressin V2 receptor</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.04803183999999999</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>MKTIIALSYIFCLVFAGSWSHPQFEKGSGAGASAGSWSHPQFEKGSDYKDDDDKEFLEVLFQGPEDLEETLFEEFENYSY
DLDYYSLESDLEEKVQLGVVHWVSLVLYCLAFVLGIPGNAIVIWFTGFKWKKTVTTLWFLNLAIADFIFLLFLPLYISYV
AMNFHWPFGIWLCKANSFTAQLNMFASVFFLTVISLDHYIHLIHPVLSHRHRTLKNSLIVIIFIWLLASLIGGPALYFRD
TVEFNNHTLCYNNFQKHDPDLTLIRHHVLTWVKFIIGYLFPLLTMSICYLCLIFKVKKRSILISSRHFWTILVVVVAFVV
CWTPYHLFSIWELTIHHNSYSHHVMQAGIPLSTGLAFLNSCLNPILYVLISKKFQARFRSSVAEIARGRTPPSLGPQDE
(SEP)C(TPO)(TPO)A(SEP)(SEP)(SEP)LAKDTSS</string>
                    <external_references type="UNIPROTKB">P46091</external_references>
                    <external_references type="UNIPROTKB">P30518</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="6">
                <name>CHOLESTEROL HEMISUCCINATE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000486726</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>Y01</formula>
            </ligand>
        </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>TFS KRIOS</microscope>
                    <illumination_mode>SPOT SCAN</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_defocus_min units="µm">0.8</nominal_defocus_min>
                    <nominal_defocus_max units="µm">1.5</nominal_defocus_max>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">2.1875</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>
                <ctf_correction>
                    <type>NONE</type>
                </ctf_correction>
                <startup_model type_of_model="INSILICO MODEL"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">3.5</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>123307</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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            <b units="Å">274.176</b>
            <c units="Å">274.176</c>
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            <maximum>2.396503</maximum>
            <average>0.0091756005</average>
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            <y units="Å">1.071</y>
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                <level>0.19</level>
                <source>AUTHOR</source>
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        <annotation_details>Cryo-EM structure of the G protein-coupled receptor 1 (GPR1) bound to chemerin and beta-arrestin 2</annotation_details>
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