<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_9_2/emdb.xsd" version="3.0.9.2" emdb_id="EMD-30592">
    <admin>
        <current_status>
            <date>2024-03-27</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-09-30</deposition>
            <header_release>2021-03-17</header_release>
            <map_release>2021-03-17</map_release>
            <update>2024-03-27</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China (NSFC)</funding_body>
                <code>31670744</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China (NSFC)</funding_body>
                <code>31961160723</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China (NSFC)</funding_body>
                <code>31770794</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Natural Science Foundation of China (NSFC)</funding_body>
                <code>31925026</code>
                <country>China</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Basic Research Program of China (973 Program)</funding_body>
                <code>2017YFA0504703</code>
                <country>China</country>
            </grant_reference>
        </grant_support>
        <title>Structural insights into membrane remodeling by SNX1</title>
        <authors_list>
            <author>Zhang Y</author>
            <author>Pang X</author>
        </authors_list>
        <keywords>Coat complex, Membrane deformation, LIPID BINDING PROTEIN, helical assembly, PROTEIN TRANSPORT</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0001-5575-6882" order="1">Zhang Y</author>
                    <author ORCID="0000-0002-8476-3771" order="2">Pang X</author>
                    <author order="3">Li J</author>
                    <author ORCID="0000-0001-5783-9681" order="4">Xu J</author>
                    <author ORCID="0000-0002-6763-4636" order="5">Hsu VW</author>
                    <author ORCID="0000-0002-0351-5144" order="6">Sun F</author>
                    <title>Structural insights into membrane remodeling by SNX1.</title>
                    <journal_abbreviation>Proc.Natl.Acad.Sci.USA</journal_abbreviation>
                    <country>US</country>
                    <volume>118</volume>
                    <year>2021</year>
                    <external_references type="PUBMED">33658379</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.2022614118</external_references>
                    <external_references type="ISSN">1091-6490</external_references>
                    <external_references type="CSD">0040</external_references>
                    <external_references type="ASTM">PNASA6</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7d6d</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>sorting nexin 1</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>sorting nexin 1</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>sorting nexin 1 in membrane-bound state</details>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Sorting nexin-1</name>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.059740887</theoretical>
                </molecular_weight>
                <number_of_copies>16</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GPLGSPEFMASGGGGCSASERLPPPFPGMDPESEGAAGGSEPEAGDSDTEGEDIFTGAAAATKPQSPKKTTSLFPIKNGS
KENGIHEDQDQEPQDLFADATVELSLDSTQNNQKTMPGKTLTSHPPQEATNSPKPQPSYEELEEEQEDQFDLTVGITDPE
KIGDGMNAYVAYKVTTQTSLPMFRSRQFAVKRRFSDFLGLYEKLSEKHSQNGFIVPPPPEKSLIGMTKVKVGKEDSSSAE
FLEKRRAALERYLQRIVNHPTMLQDPDVREFLEKEELPRAVGTQALSGAGLLKMFNKATDAVSKMTIKMNESDIWFEEKL
QEVECEEQRLRKLHAVVETLVNHRKELALNTALFAKSLAMLGSSEDNTALSRALSQLAEVEEKIEQLHQEQANNDFFLLA
ELLSDYIRLLAIVRAAFDQRMKTWQRWQDAQATLQKKRESEARLLWANKPDKLQQAKDEITEWESRVTQYERDFERISTV
VRKEVTRFEKEKSKDFKNHVMKYLETLLHSQQQLAKYWEAFLPEAKAIS</string>
                    <external_references type="UNIPROTKB">Q6NZD2</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">
                    <concentration units="mg/mL">0.9</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <details>50 mM HEPES, pH7.4, 100 mM NaCl</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/1</model>
                        <material>COPPER</material>
                        <mesh>300</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY ARRAY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>PLASMA CLEANING</type>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <details>blot for 3.5 seconds with a blot force 2 before plunging. </details>
                    </vitrification>
                </helical_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <helical_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>
                    <c2_aperture_diameter units="µm">50.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <calibrated_magnification>59000.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI FALCON II (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">4096</width>
                                    <height units="pixel">4096</height>
                                </dimensions>
                                <frames_per_image>2-28</frames_per_image>
                            </digitization_details>
                            <number_grids_imaged>2</number_grids_imaged>
                            <number_real_images>501</number_real_images>
                            <average_exposure_time units="s">2.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">25.0</average_electron_dose_per_image>
                            <details>Images were collected in movie mode at 16 frames per second</details>
                        </image_recording>
                    </image_recording_list>
                </helical_microscopy>
            </microscopy_list>
            <helical_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <details>The selected images were multiplied by CTF for amplitude correction of reconstruction</details>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <helical_parameters>
                            <delta_z units="Å">8.76</delta_z>
                            <delta_phi units="deg">60.13</delta_phi>
                            <axial_symmetry>C1</axial_symmetry>
                        </helical_parameters>
                    </applied_symmetry>
                    <algorithm>BACK PROJECTION</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">9.0</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>IHRSR</name>
                        </software>
                    </software_list>
                    <details>IHRSR method were used for helical reconstruction and refinement with a range of out of plane tilt considered</details>
                    <number_images_used>11795</number_images_used>
                </final_reconstruction>
                <segment_selection>
                    <number_selected>476</number_selected>
                    <details>All the segments were selected manually using e2helixboxer.py of EMAN2</details>
                </segment_selection>
                <startup_model type_of_model="OTHER">
                    <details>A cylinder with the same diameter as SNX1 tube was generated by Spider and used as initial model</details>
                </startup_model>
                <final_angle_assignment>
                    <type>NOT APPLICABLE</type>
                    <software_list>
                        <software>
                            <name>SPIDER</name>
                            <version>24.08</version>
                            <processing_details>'pj 3q' was used to make initial model projections and 'ap sh' was used to make projection matching to assign Euler angles for each particle.</processing_details>
                        </software>
                    </software_list>
                    <details>Final angle assignment were determined by projection matching with finer projection angle steps as the resolution is improved.</details>
                </final_angle_assignment>
            </helical_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="62209">
        <file>emd_30592.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>360</col>
            <row>360</row>
            <sec>120</sec>
        </dimensions>
        <origin>
            <col>-180</col>
            <row>-180</row>
            <sec>-60</sec>
        </origin>
        <spacing>
            <x>360</x>
            <y>360</y>
            <z>120</z>
        </spacing>
        <cell>
            <a units="Å">511.19998</a>
            <b units="Å">511.19998</b>
            <c units="Å">170.4</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>-8.273277999999999</minimum>
            <maximum>19.960701</maximum>
            <average>0.39476934</average>
            <std>3.0503304</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.42</x>
            <y units="Å">1.42</y>
            <z units="Å">1.42</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>6.42</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-30592::::</label>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <details>The temperature was kept at 300K, time step was 1 fs, and secondary structure restraints was also included.</details>
                <target_criteria>Correlation coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
