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    <admin>
        <current_status>
            <date>2024-11-13</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-01-12</deposition>
            <header_release>2021-09-08</header_release>
            <map_release>2021-09-08</map_release>
            <update>2024-11-13</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Health and Medical Research Council (NHMRC, Australia)</funding_body>
                <country>Australia</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Australian Research Council (ARC)</funding_body>
                <country>Australia</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of the human adenosine A1 receptor-Gi2-protein complex bound to its endogenous agonist and an allosteric ligand</title>
        <authors_list>
            <author>Draper-Joyce CJ</author>
            <author>Danev R</author>
        </authors_list>
        <keywords>signaling protein, membrane protein, active-state G protein-coupled receptor, adenosine A1 receptor, PAM, allosteric modulator</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0003-2055-7706" order="1">Draper-Joyce CJ</author>
                    <author order="2">Bhola R</author>
                    <author ORCID="0000-0003-0162-212X" order="3">Wang J</author>
                    <author order="4">Bhattarai A</author>
                    <author order="5">Nguyen ATN</author>
                    <author order="6">Cowie-Kent I</author>
                    <author ORCID="0000-0003-1715-595X" order="7">O'Sullivan K</author>
                    <author order="8">Chia LY</author>
                    <author order="9">Venugopal H</author>
                    <author order="10">Valant C</author>
                    <author ORCID="0000-0002-0325-2524" order="11">Thal DM</author>
                    <author order="12">Wootten D</author>
                    <author ORCID="0000-0001-8782-0586" order="13">Panel N</author>
                    <author order="14">Carlsson J</author>
                    <author ORCID="0000-0002-0622-609X" order="15">Christie MJ</author>
                    <author order="16">White PJ</author>
                    <author order="17">Scammells P</author>
                    <author order="18">May LT</author>
                    <author ORCID="0000-0001-8902-2473" order="19">Sexton PM</author>
                    <author ORCID="0000-0001-6406-8993" order="20">Danev R</author>
                    <author ORCID="0000-0003-3714-1395" order="21">Miao Y</author>
                    <author ORCID="0000-0003-4146-965X" order="22">Glukhova A</author>
                    <author ORCID="0000-0002-7521-9969" order="23">Imlach WL</author>
                    <author ORCID="0000-0003-4442-3294" order="24">Christopoulos A</author>
                    <title>Positive allosteric mechanisms of adenosine A 1 receptor-mediated analgesia.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <volume>597</volume>
                    <first_page>571</first_page>
                    <last_page>576</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">34497422</external_references>
                    <external_references type="DOI">doi:10.1038/s41586-021-03897-2</external_references>
                    <external_references type="ISSN">1476-4687</external_references>
                    <external_references type="CSD">0006</external_references>
                    <external_references type="ASTM">NATUAS</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
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                <pdb_id>7ld3</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Human adenosine A1 receptor-Gi2-protein complex bound to its endogenous agonist adenosine</name>
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            <complex_supramolecule supramolecule_id="1">
                <name>Human adenosine A1 receptor-Gi2-protein complex bound to its endogenous agonist adenosine</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_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-2</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.04050286299999999</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>MGCTVSAEDKAAAERSKMIDKNLREDGEKAAREVKLLLLGAGESGKNTIVKQMKIIHEDGYSEEECRQYRAVVYSNTIQS
IMAIVKAMGNLQIDFADPSRADDARQLFALSCTAEEQGVLPDDLSGVIRRLWADHGVQACFGRSREYQLNDSAAYYLNDL
ERIAQSDYIPTQQDVLRTRVKTTGIVETHFTFKDLHFKMFDVGAQRSERKKWIHCFEGVTAIIFCVALSAYDLVLAEDEE
MNRMHASMKLFDSICNNKWFTDTSIILFLNKKDLFEEKITHSPLTICFPEYTGANKYDEAASYIQSKFEDLNKRKDTKEI
YTHFTCSTDTKNVQFVFDAVTDVIIKNNLKDCGLF</string>
                    <external_references type="UNIPROTKB">P04899</external_references>
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            <protein_or_peptide macromolecule_id="2">
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                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
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                    <theoretical units="MDa">0.04326102</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
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GNVLVIWAVKVNQALRDATFCFIVSLAVADVAVGALVIPLAILINIGPQTYFHTCLMVACPVLILTQSSILALLAIAVDR
YLRVKIPLRYKMVVTPRRAAVAIAGCWILSFVVGLTPMFGWNNLSAVERAWAANGSMGEPVIKCEFEKVISMEYMVYFNF
FVWVLPPLLLMVLIYLEVFYLIRKQLNKKVSASSGDPQKYYGKELKIAKSLALILFLFALSWLPLHILNCITLFCPSCHK
PSILTYIAIFLTHGNSAMNPIVYAFRIQKFRVTFLKIWNDHFRCQPAPPIDEDLPEERPDDHHHHHH</string>
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                    <external_references type="UNIPROTKB">P30542</external_references>
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                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
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                    <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>
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                    <string>MHHHHHHGSSGSELDQLRQEAEQLKNQIRDARKACADATLSQITNNIDPVGRIQMRTRRTLRGHLAKIYAMHWGTDSRLL
VSASQDGKLIIWDSYTTNKVHAIPLRSSWVMTCAYAPSGNYVACGGLDNICSIYNLKTREGNVRVSRELAGHTGYLSCCR
FLDDNQIVTSSGDTTCALWDIETGQQTTTFTGHTGDVMSLSLAPDTRLFVSGACDASAKLWDVREGMCRQTFTGHESDIN
AICFFPNGNAFATGSDDATCRLFDLRADQELMTYSHDNIICGITSVSFSKSGRLLLAGYDDFNCNVWDALKADRAGVLAG
HDNRVSCLGVTDDGMAVATGSWDSFLKIWN</string>
                    <external_references type="UNIPROTKB">P62873</external_references>
                </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>
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                <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>
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                <formula>ADN</formula>
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                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>XTD</formula>
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                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>HOH</formula>
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