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    <admin>
        <current_status>
            <date>2024-10-09</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2022-08-29</deposition>
            <header_release>2022-11-23</header_release>
            <map_release>2022-11-23</map_release>
            <update>2024-10-09</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R01GM072804</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R01GM080139</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of Dental and Craniofacial Research (NIH/NIDCR)</funding_body>
                <code>DE019245</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Welch Foundation</funding_body>
                <code>AU-2014-20190330</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Welch Foundation</funding_body>
                <code>AU-2014-20220331</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>American Heart Association</funding_body>
                <code>18CDA34110086</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Cancer Prevention and Research Institute of Texas (CPRIT)</funding_body>
                <code>RP190602</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Structure of the full-length IP3R1 channel determined at high Ca2+</title>
        <authors_list>
            <author>Fan G</author>
            <author>Baker MR</author>
            <author>Terry LE</author>
            <author>Arige V</author>
            <author>Chen M</author>
            <author>Seryshev AB</author>
            <author>Baker ML</author>
            <author>Ludtke SJ</author>
            <author>Yule DI</author>
            <author>Serysheva II</author>
        </authors_list>
        <keywords>Calcium channel, lipid nanodisc, MEMBRANE PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Fan G</author>
                    <author ORCID="0000-0002-1613-9387" order="2">Baker MR</author>
                    <author ORCID="0000-0002-0200-4334" order="3">Terry LE</author>
                    <author order="4">Arige V</author>
                    <author order="5">Chen M</author>
                    <author order="6">Seryshev AB</author>
                    <author order="7">Baker ML</author>
                    <author ORCID="0000-0002-1903-1574" order="8">Ludtke SJ</author>
                    <author ORCID="0000-0002-6743-0668" order="9">Yule DI</author>
                    <author ORCID="0000-0001-6266-3422" order="10">Serysheva II</author>
                    <title>Conformational motions and ligand-binding underlying gating and regulation in IP 3 R channel.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>13</volume>
                    <first_page>6942</first_page>
                    <last_page>6942</last_page>
                    <year>2022</year>
                    <external_references type="PUBMED">36376291</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-022-34574-1</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>8eaq</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Type 1 inositol 1,4,5-trisphosphate receptor tetrameric protein complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Type 1 inositol 1,4,5-trisphosphate receptor tetrameric protein complex</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="10116">Rattus norvegicus</organism>
                    <organ>cerebellum</organ>
                    <organelle>endoplasmic reticulum</organelle>
                    <cellular_location>membrane</cellular_location>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">1.3</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Inositol 1,4,5-trisphosphate receptor type 1</name>
                <natural_source database="NCBI">
                    <organism ncbi="10116">Rattus norvegicus</organism>
                    <organ>cerebellum</organ>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.313657406</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSDKMSSFLHIGDICSLYAEGSTNGFISTLGLVDDRCVVQPEAGDLNNPPKKFRDCLFKLCPMNRYSAQKQFWKAAKPGA
NSTTDAVLLNKLHHAADLEKKQNETENRKLLGTVIQYGNVIQLLHLKSNKYLTVNKRLPALLEKNAMRVTLDEAGNEGSW
FYIQPFYKLRSIGDSVVIGDKVVLNPVNAGQPLHASSHQLVDNPGCNEVNSVNCNTSWKIVLFMKWSDNKDDILKGGDVV
RLFHAEQEKFLTCDEHRKKQHVFLRTTGRQSATSATSSKALWEVEVVQHDPCRGGAGYWNSLFRFKHLATGHYLAAEVDP
DFEEECLEFQPSVDPDQDASRSRLRNAQEKMVYSLVSVPEGNDISSIFELDPTTLRGGDSLVPRNSYVRLRHLCTNTWVH
STNIPIDKEEEKPVMLKIGTSPLKEDKEAFAIVPVSPAEVRDLDFANDASKVLGSIAGKLEKGTITQNERRSVTKLLEDL
VYFVTGGTNSGQDVLEVVFSKPNRERQKLMREQNILKQIFKLLQAPFTDCGDGPMLRLEELGDQRHAPFRHICRLCYRVL
RHSQQDYRKNQEYIAKQFGFMQKQIGYDVLAEDTITALLHNNRKLLEKHITAAEIDTFVSLVRKNREPRFLDYLSDLCVS
MNKSIPVTQELICKAVLNPTNADILIETKLVLSRFEFEGVSTGENALEAGEDEEEVWLFWRDSNKEIRSKSVRELAQDAK
EGQKEDRDVLSYYRYQLNLFARMCLDRQYLAINEISGQLDVDLILRCMSDENLPYDLRASFCRLMLHMHVDRDPQEQVTP
VKYARLWSEIPSEIAIDDYDSSGASKDEIKERFAQTMEFVEEYLRDVVCQRFPFSDKEKNKLTFEVVNLARNLIYFGFYN
FSDLLRLTKILLAILDCVHVTTIFPISKMTKGEENKGSNVMRSIHGVGELMTQVVLRGGGFLPMTPMAAAPEGNVKQAEP
EKEDIMVMDTKLKIIEILQFILNVRLDYRISCLLCIFKREFDESNSQSSETSSGNSSQEGPSNVPGALDFEHIEEQAEGI
FGGSEENTPLDLDDHGGRTFLRVLLHLTMHDYPPLVSGALQLLFRHFSQRQEVLQAFKQVQLLVTSQDVDNYKQIKQDLD
QLRSIVEKSELWVYKGQGPDEPMDGASGENEHKKTEEGTSKPLKHESTSSYNYRVVKEILIRLSKLCVQESASVRKSRKQ
QQRLLRNMGAHAVVLELLQIPYEKAEDTKMQEIMRLAHEFLQNFCAGNQQNQALLHKHINLFLNPGILEAVTMQHIFMNN
FQLCSEINERVVQHFVHCIETHGRNVQYIKFLQTIVKAEGKFIKKCQDMVMAELVNSGEDVLVFYNDRASFQTLIQMMRS
ERDRMDENSPLFMYHIHLVELLAVCTEGKNVYTEIKCNSLLPLDDIVRVVTHEDCIPEVKIAYINFLNHCYVDTEVEMKE
IYTSNHMWKLFENFLVDICRACNNTSDRKHADSVLEKYVTEIVMSIVTTFFSSPFSDQSTTLQTRQPVFVQLLQGVFRVY
HCNWLMPSQKASVESCIRVLSDVAKSRAIAIPVDLDSQVNNLFLKSHNIVQKTAMNWRLSARNAARRDSVLAASRDYRNI
IERLQDIVSALEDRLRPLVQAELSVLVDVLHRPELLFPENTDARRKCESGGFICKLIKHTKQLLEENEEKLCIKVLQTLR
EMMTKDRGYGEKQISIDELENAELPQPPEAENSTEQELEPSPPLRQLEDHKRGEALRQILVNRYYGNIRPSGRRESLTSF
GNGPLSPGGPSKPGGGGGGPGSGSTSRGEMSLAEVQCHLDKEGASNLVIDLIMNASSDRVFHESILLAIALLEGGNTTIQ
HSFFCRLTEDKKSEKFFKVFYDRMKVAQQEIKATVTVNTSDLGNKKKDDEVDRDAPSRKKAKEPTTQITEEVRDQLLEAS
AATRKAFTTFRREADPDDHYQSGEGTQATTDKAKDDLEMSAVITIMQPILRFLQLLCENHNRDLQNFLRCQNNKTNYNLV
CETLQFLDCICGSTTGGLGLLGLYINEKNVALINQTLESLTEYCQGPCHENQNCIATHESNGIDIITALILNDINPLGKK
RMDLVLELKNNASKLLLAIMESRHDSENAERILYNMRPKELVEVIKKAYMQGEVEFEDGENGEDGAASPRNVGHNIYILA
HQLARHNKELQTMLKPGGQVDGDEALEFYAKHTAQIEIVRLDRTMEQIVFPVPSICEFLTKESKLRIYYTTERDEQGSKI
NDFFLRSEDLFNEMNWQKKLRAQPVLYWCARNMSFWSSISFNLAVLMNLLVAFFYPFKGVRGGTLEPHWSGLLWTAMLIS
LAIVIALPKPHGIRALIASTILRLIFSVGLQPTLFLLGAFNVCNKIIFLMSFVGNCGTFTRGYRAMVLDVEFLYHLLYLL
ICAMGLFVHEFFYSLLLFDLVYREETLLNVIKSVTRNGRPIILTAALALILVYLFSIVGYLFFKDDFILEVDRLPNETAG
PETGESLANDFLYSDVCRVETGENCTSPAPKEELLPVEETEQDKEHTCETLLMCIVTVLSHGLRSGGGVGDVLRKPSKEE
PLFAARVIYDLLFFFMVIIIVLNLIFGVIIDTFADLRSEKQKKEEILKTTCFICGLERDKFDNKTVTFEEHIKEEHNMWH
YLCFIVLVKVKDSTEYTGPESYVAEMIRERNLDWFPRMRAMSLVSSDSEGEQNELRNLQEKLESTMKLVTNLSGQLSELK
DQMTEQRKQKQRIGLLGHPPHMNVNPQQPA</string>
                    <external_references type="UNIPROTKB">P29994</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="2">
                <name>ZINC ION</name>
                <molecular_weight>
                    <theoretical units="MDa">6.5409e-05</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <formula>ZN</formula>
            </ligand>
            <ligand macromolecule_id="3">
                <name>CALCIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">4.0078e-05</theoretical>
                </molecular_weight>
                <number_of_copies>20</number_of_copies>
                <formula>CA</formula>
            </ligand>
            <ligand macromolecule_id="4">
                <name>(9R,11S)-9-({[(1S)-1-HYDROXYHEXADECYL]OXY}METHYL)-2,2-DIMETHYL-5,7,10-TRIOXA-2LAMBDA~5~-AZA-6LAMBDA~5~-PHOSPHAOCTACOSANE-6,6,11-TRIOL</name>
                <molecular_weight>
                    <theoretical units="MDa">0.0007671319999999999</theoretical>
                </molecular_weight>
                <number_of_copies>28</number_of_copies>
                <formula>PLX</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">
                    <concentration units="mg/mL">1</concentration>
                    <buffer>
                        <ph>7.4</ph>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/1</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>CONTINUOUS</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                    <details>reconstituted in lipid nanodisc</details>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>TFS 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>
                    <nominal_defocus_min units="µm">0.8</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.5</nominal_defocus_max>
                    <nominal_magnification>130000.0</nominal_magnification>
                    <calibrated_magnification>46943.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Bioquantum</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 K2 QUANTUM (4k x 4k)</film_or_detector_model>
                            <detector_mode>SUPER-RESOLUTION</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">3840</width>
                                    <height units="pixel">3712</height>
                                </dimensions>
                            </digitization_details>
                            <number_real_images>25125</number_real_images>
                            <average_exposure_time units="s">0.2</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">49.0</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>
                <particle_selection>
                    <number_selected>1955320</number_selected>
                    <details>NeuralNet autopicking in EMAN2</details>
                </particle_selection>
                <startup_model type_of_model="EMDB MAP">
                    <emdb_id>EMD-23337</emdb_id>
                    <details>filtered to 60 angstroms</details>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C4</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.26</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3</version>
                        </software>
                    </software_list>
                    <number_images_used>346731</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3</version>
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                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
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                            <name>RELION</name>
                            <version>3</version>
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                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
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