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    <admin>
        <current_status>
            <date>2024-01-17</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2022-10-28</deposition>
            <header_release>2023-01-11</header_release>
            <map_release>2023-01-11</map_release>
            <update>2024-01-17</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>GM117593</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>GM137109</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>GM082545</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>GM110772</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>GM089740</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Howard Hughes Medical Institute (HHMI)</funding_body>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Chan Zuckerberg Initiative</funding_body>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>CryoEM reconstruction of membrane-bound, left-handed CHMP1B+IST1 filament with 10% cholesterol</title>
        <authors_list>
            <author ORCID="0000-0002-6149-6447">Moss FR</author>
            <author ORCID="0000-0003-2231-2577">Frost A</author>
        </authors_list>
        <keywords>ESCRT, brominated, lipid, membrane, MEMBRANE PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-6149-6447" order="1">Moss 3rd FR</author>
                    <author ORCID="0000-0003-3090-1240" order="2">Lincoff J</author>
                    <author ORCID="0000-0002-1606-8806" order="3">Tucker M</author>
                    <author ORCID="0000-0003-4430-7592" order="4">Mohammed A</author>
                    <author ORCID="0000-0003-3509-5997" order="5">Grabe M</author>
                    <author ORCID="0000-0003-2231-2577" order="6">Frost A</author>
                    <title>Brominated lipid probes expose structural asymmetries in constricted membranes.</title>
                    <journal_abbreviation>Nat.Struct.Mol.Biol.</journal_abbreviation>
                    <country>US</country>
                    <volume>30</volume>
                    <first_page>167</first_page>
                    <last_page>175</last_page>
                    <year>2023</year>
                    <external_references type="PUBMED">36624348</external_references>
                    <external_references type="DOI">doi:10.1038/s41594-022-00898-1</external_references>
                    <external_references type="ISSN">1545-9985</external_references>
                </journal_citation>
            </primary_citation>
            <secondary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-6142-8807" order="7">Nguyen HC</author>
                    <author ORCID="0000-0002-4603-0120" order="8">Talledge N</author>
                    <author ORCID="0000-0001-6836-4394" order="9">McCullough J</author>
                    <author order="10">Sharma A</author>
                    <author ORCID="0000-0002-6149-6447" order="11">Moss FR</author>
                    <author order="12">Iwasa JH</author>
                    <author order="13">Vershinin MD</author>
                    <author order="14">Sundquist WI</author>
                    <author ORCID="0000-0003-2231-2577" order="15">Frost A</author>
                    <title>Membrane constriction and thinning by sequential ESCRT-III polymerization.</title>
                    <journal_abbreviation>Nat Struct Mol Biol</journal_abbreviation>
                    <country>US</country>
                    <volume>27</volume>
                    <first_page>392</first_page>
                    <last_page>399</last_page>
                    <year>2020</year>
                    <external_references type="PUBMED">32251413</external_references>
                    <external_references type="DOI">doi:10.1038/s41594-020-0404-x</external_references>
                    <external_references type="ISSN">1545-9985</external_references>
                </journal_citation>
            </secondary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-27991</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
    </crossreferences>
    <sample>
        <name>Membrane-bound, left-handed CHMP1B+IST1 filament with 10% cholesterol</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Membrane-bound, left-handed CHMP1B+IST1 filament with 10% cholesterol</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="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>CHMP1B charged multivesicular body protein 1B</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSNMEKHLFNLKFAAKELSRSAKKCDKEEKAEKAKIKKAIQKGNMEVARIHAENAIRQKNQAVNFLRMSARVDAVAARVQTAVTMGKVTKSMAGVVKSMDATLKTMNLEKISALMDKFEHQFETLDVQTQQMEDTMSSTTTLTTPQNQVDMLLQEMADEAGLDLNMELPQGQTGSVGTSVASAEQDELSQRLARLRDQV</string>
                    <external_references type="UNIPROTKB">Q7LBR1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Increased Sodium Tolerance 1 Homolog (IST1)</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <details>N-terminal domain</details>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MLGSGFKAERLRVNLRLVINRLKLLEKKKTELAQKARKEIADYLAAGKDERARIRVEHIIREDYLVEAMEILELYCDLLLARFGLIQSMKELDSGLAESVSTLIWAAPRLQSEVAELKIVADQLCAKYSKEYGKLCRTNQIGTVNDRLMHKLSVEAPP</string>
                    <external_references type="UNIPROTKB">P53990</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>helical</method>
            <aggregation_state>helicalArray</aggregation_state>
            <specimen_preparation_list>
                <helical_preparation preparation_id="1">
                    <buffer>
                        <ph>7.4</ph>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</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">292</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                </helical_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <helical_microscopy microscopy_id="1">
                    <microscope>FEI TALOS ARCTICA</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
                    <nominal_defocus_min units="µm">1.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.0</nominal_defocus_max>
                    <nominal_magnification>36000.0</nominal_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>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>653</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">65.0</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </helical_microscopy>
            </microscopy_list>
            <helical_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="Å">3.15</delta_z>
                            <delta_phi units="deg">-20.91</delta_phi>
                            <axial_symmetry>C1</axial_symmetry>
                        </helical_parameters>
                    </applied_symmetry>
                    <algorithm>FOURIER SPACE</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">4.0</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                    <number_images_used>3373</number_images_used>
                </final_reconstruction>
                <segment_selection>
                    <number_selected>54720</number_selected>
                    <software_list>
                        <software>
                            <name>crYOLO</name>
                        </software>
                    </software_list>
                </segment_selection>
                <startup_model type_of_model="INSILICO MODEL">
                    <insilico_model>Featureless cylinder</insilico_model>
                </startup_model>
                <final_angle_assignment>
                    <type>NOT APPLICABLE</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0.8</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="192915">
        <file>emd_28709.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>364</col>
            <row>364</row>
            <sec>364</sec>
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        <spacing>
            <x>364</x>
            <y>364</y>
            <z>364</z>
        </spacing>
        <cell>
            <a units="Å">414.96</a>
            <b units="Å">414.96</b>
            <c units="Å">414.96</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>-0.019697651</minimum>
            <maximum>0.032648303</maximum>
            <average>0.00014387525</average>
            <std>0.002541429</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.14</x>
            <y units="Å">1.14</y>
            <z units="Å">1.14</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.007</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-28709::::</label>
        <annotation_details>Left-handed, 17-subunit-per-turn, membrane-bound CHMP1B/IST1 with 10% cholesterol.</annotation_details>
    </map>
    <interpretation>
        <segmentation_list>
            <segmentation>
                <file>emd_28709_msk_1.map</file>
            </segmentation>
        </segmentation_list>
        <additional_map_list>
            <additional_map format="CCP4" size_kbytes="192915">
                <file>emd_28709_additional_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>364</col>
                    <row>364</row>
                    <sec>364</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>364</x>
                    <y>364</y>
                    <z>364</z>
                </spacing>
                <cell>
                    <a units="Å">414.96</a>
                    <b units="Å">414.96</b>
                    <c units="Å">414.96</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>-0.056446373</minimum>
                    <maximum>0.083712414</maximum>
                    <average>0.00013530235</average>
                    <std>0.004990738</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.14</x>
                    <y units="Å">1.14</y>
                    <z units="Å">1.14</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-28709::::</label>
                <annotation_details>RELION post-processed, left-handed, 17-subunit-per-turn, membrane-bound CHMP1B/IST1 with 10% cholesterol.</annotation_details>
            </additional_map>
        </additional_map_list>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="192915">
                <file>emd_28709_half_map_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>364</col>
                    <row>364</row>
                    <sec>364</sec>
                </dimensions>
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                    <row>0</row>
                    <sec>0</sec>
                </origin>
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                    <y>364</y>
                    <z>364</z>
                </spacing>
                <cell>
                    <a units="Å">414.96</a>
                    <b units="Å">414.96</b>
                    <c units="Å">414.96</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>-0.03596179</minimum>
                    <maximum>0.046462167</maximum>
                    <average>0.00013390956</average>
                    <std>0.0038831905</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.14</x>
                    <y units="Å">1.14</y>
                    <z units="Å">1.14</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-28709::::</label>
                <annotation_details>Left-handed, 17-subunit-per-turn, membrane-bound CHMP1B/IST1 with 10% cholesterol. Half 2.</annotation_details>
            </half_map>
            <half_map format="CCP4" size_kbytes="192915">
                <file>emd_28709_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>364</col>
                    <row>364</row>
                    <sec>364</sec>
                </dimensions>
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                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
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                <spacing>
                    <x>364</x>
                    <y>364</y>
                    <z>364</z>
                </spacing>
                <cell>
                    <a units="Å">414.96</a>
                    <b units="Å">414.96</b>
                    <c units="Å">414.96</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>-0.03482852</minimum>
                    <maximum>0.047130056</maximum>
                    <average>0.00013669513</average>
                    <std>0.0040079956</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.14</x>
                    <y units="Å">1.14</y>
                    <z units="Å">1.14</z>
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                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-28709::::</label>
                <annotation_details>Left-handed, 17-subunit-per-turn, membrane-bound CHMP1B/IST1 with 10% cholesterol. Half 1.</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
