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    <admin>
        <current_status>
            <date>2024-10-23</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-04-08</deposition>
            <header_release>2020-07-15</header_release>
            <map_release>2020-07-15</map_release>
            <update>2024-10-23</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)</funding_body>
                <code>NS111745</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of Mental Health (NIH/NIMH)</funding_body>
                <code>MH085926</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>GluN1b-GluN2B NMDA receptor in complex with GluN2B antagonist SDZ 220-040, class 2</title>
        <authors_list>
            <author>Chou T</author>
            <author>Tajima N</author>
        </authors_list>
        <keywords>NMDARs, Ligand-gated ion channels, METAL TRANSPORT, Ionotropic glutamate receptor, MEMBRANE PROTEIN, GluN2B antagonist</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Chou TH</author>
                    <author order="2">Tajima N</author>
                    <author order="3">Romero-Hernandez A</author>
                    <author order="4">Furukawa H</author>
                    <title>Structural Basis of Functional Transitions in Mammalian NMDA Receptors.</title>
                    <journal_abbreviation>Cell</journal_abbreviation>
                    <volume>182</volume>
                    <first_page>357</first_page>
                    <last_page>371.e13</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">32610085</external_references>
                    <external_references type="DOI">doi:10.1016/j.cell.2020.05.052</external_references>
                    <external_references type="ISSN">1097-4172</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6whx</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>NMDA receptor GluN1b/2B functional ion channel complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>NMDA receptor GluN1b/2B functional ion channel complex</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="10116">Rattus norvegicus</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Ionotropic glutamate receptor , NMDA receptor GluN1b</name>
                <natural_source database="NCBI">
                    <organism ncbi="10116">Rattus norvegicus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.108085633</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSTMHLLTFALLFSCSFARAASDPKIVNIGAVLSTRKHEQMFREAVNQANKRHGSWKIQLQATSVTHKPNAIQMALSVCE
DLISSQVYAILVSHPPTPNDHFTPTPVSYTAGFYRIPVLGLTTRMSIYSDKSIHLSFLRTVPPYSHQSSVWFEMMRVYNW
NHIILLVSDDHEGRAAQKRLETLLEERESKSKKRNYENLDQLSYDNKRGPKAEKVLQFDPGTKNVTALLMEARELEARVI
ILSASEDDAATVYRAAAMLDMTGSGYVWLVGEREISGNALRYAPDGIIGLQLINGKNESAHISDAVGVVAQAVHELLEKE
NITDPPRGCVGNTNIWKTGPLFKRVLMSSKYADGVTGRVEFNEDGDRKFAQYSIMNLQNRKLVQVGIYNGTHVIPNDRKI
IWPGGETEKPRGYQMSTRLKIVTIHQEPFVYVKPTMSDGTCKEEFTVNGDPVKKVICTGPNDTSPGSPRHTVPQCCYGFC
IDLLIKLARTMQFTYEVHLVADGKFGTQERVQNSNKKEWNGMMGELLSGQADMIVAPLTINNERAQYIEFSKPFKYQGLT
ILVKKEIPRSTLDSFMQPFQSTLWLLVGLSVHVVAVMLYLLDRFSPFGRFKVNSQSESTDALTLSSAMWFSWGVLLNSGI
GEGAPRSFSARILGMVWAGFAMIIVASYTANLAAFLVLDRPEERITGINDPRLRNPSDKFIYATVKQSSVDIYFRRQVEL
STMYRHMEKHNYESAAEAIQAVRDNKLHAFIWDSAVLEFEASQKCDLVTTGELFFRSGFGIGMRKDSPWKQQVSLSILKS
HENGFMEDLDKTWVRYQECDSRSNAPATLTCENMAGVFMLVAGGIVAGIFLIFIEIAYKRHKDARRKQMQLAFAAVNVWR
KNLQDRKSGRAEPDPKKKATFRAITSTLASSFKRRRSSKDTSTGGGRGALQNQKDTVLPRRAIEREEGQLQLCSRHRES</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Ionotropic glutamate receptor , NMDA receptor GluN2B</name>
                <natural_source database="NCBI">
                    <organism ncbi="10116">Rattus norvegicus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.098845859</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7108">Spodoptera frugiperda</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGTMRLFLLAVLFLFSFARATGWSHPQFEKGGGSGGGSGGSAWSHPQFEKGALVPRGRSQKSPPSIGIAVILVGTSDEVA
IKDAHEKDDFHHLSVVPRVELVAMNETDPKSIITRICDLMSDRKIQGVVFADDTDQEAIAQILDFISAQTLTPILGIHGG
SSMIMADKDESSMFFQFGPSIEQQASVMLNIMEEYDWYIFSIVTTYFPGYQDFVNKIRSTIENSFVGWELEEVLLLDMSL
DDGDSKIQNQLKKLQSPIILLYCTKEEATYIFEVANSVGLTGYGYTWIVPSLVAGDTDTVPSEFPTGLISVSYDEWDYGL
PARVRDGIAIITTAASDMLSEHSFIPEPKSSCYNTHEKRIYQSNMLNRYLINVTFEGRDLSFSEDGYQMHPKLVIILLNK
ERKWERVGKWKDKSLQMKYYVWPRMCPETEEQEDDHLSIVTLEEAPFVIVESVDPLSGTCMRNTVPCQKRIISENKTDEE
PGYIKKCCKGFCIDILKKISKSVKFTYDLYLVTNGKHGKKINGTWNGMIGEVVMKRAYMAVGSLTINEERSEVVDFSVPF
IETGISVMVSRSNGTVSPSAFLEPFSACVWVMMFVMLLIVSAVAVFVFEYFSPVGYNRSLADGREPGGPSFTIGKAIWLL
WGLVFNNSVPVQNPKGTTSKIMVSVWAFFAVIFLASYTANLAAFMIQEEYVDQVSGLSDKKFQRPNDFSPPFRFGTVPNG
STERNIRNNYAEMHAYMGKFNQRGVDDALLSLKTGKLDAFIYDAAVLNYMAGRDEGCKLVTIGSGKVFASTGYGIAIQKD
SGWKRQVDLAILQLFGDGEMEELEALWLTGICHNEKNEVMSSQLDIDNMAGVFYMLGAAMALSLITFISEHLFYWQFRHS
FMG</string>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="3">
                <name>2-acetamido-2-deoxy-beta-D-glucopyranose</name>
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                    <theoretical units="MDa">0.000221208</theoretical>
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                <formula>NAG</formula>
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            <ligand macromolecule_id="4">
                <name>(2S)-2-amino-3-[2',4'-dichloro-4-hydroxy-5-(phosphonomethyl)biphenyl-3-yl]propanoic acid</name>
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                    <theoretical units="MDa">0.00042018099999999994</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>QGP</formula>
            </ligand>
        </macromolecule_list>
    </sample>
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                        <ph>7.5</ph>
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                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">85</chamber_humidity>
                        <chamber_temperature units="K">295</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                </single_particle_preparation>
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            <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">64.5</average_electron_dose_per_image>
                        </image_recording>
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                <image_recording_id>1</image_recording_id>
                <startup_model type_of_model="OTHER">
                    <details>Ab initio reconstruction</details>
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                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
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                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
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                            <name>cisTEM</name>
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                    <type>MAXIMUM LIKELIHOOD</type>
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                    <type>MAXIMUM LIKELIHOOD</type>
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            <b units="Å">350.72</b>
            <c units="Å">350.72</c>
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            <beta units="deg">90.0</beta>
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                <source>AUTHOR</source>
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        <label>::::EMDATABANK.org::::EMD-21679::::</label>
        <annotation_details>B factor sharpened (-90)</annotation_details>
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                    <minimum>-3.325334</minimum>
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                        <source>AUTHOR</source>
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