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    <admin>
        <current_status>
            <date>2024-10-16</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-03-11</deposition>
            <header_release>2021-05-05</header_release>
            <map_release>2021-05-05</map_release>
            <update>2024-10-16</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R35GM130289</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>R01GM136976</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Robert A. Welch Foundation</funding_body>
                <code>I-1702</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Robert A. Welch Foundation</funding_body>
                <code>I-1944</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Cancer Prevention and Research Institute of Texas (CPRIT)</funding_body>
                <code>RP160082</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of the Sema3A/PlexinA4/Neuropilin 1 complex</title>
        <authors_list>
            <author>Lu D</author>
            <author>Shang G</author>
        </authors_list>
        <keywords>plexin, semaphorin, neuropilin, signaling, SIGNALING PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Lu D</author>
                    <author order="2">Shang G</author>
                    <author order="3">He X</author>
                    <author ORCID="0000-0002-4234-5686" order="4">Bai XC</author>
                    <author ORCID="0000-0002-3634-6711" order="5">Zhang X</author>
                    <title>Architecture of the Sema3A/PlexinA4/Neuropilin tripartite complex.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>12</volume>
                    <first_page>3172</first_page>
                    <last_page>3172</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">34039996</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-021-23541-x</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7m0r</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Ternary complex of Sema3A, PlexinA4 and neuropilin 1</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Ternary complex of Sema3A, PlexinA4 and neuropilin 1</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_list>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="kDa/nm">600</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Neuropilin-1</name>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.064132211</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>FRSDKCGGTIKIENPGYLTSPGYPHSYHPSEKCEWLIQAPEPYQRIMINFNPHFDLEDRDCKYDYVEVIDGENEGGRLWG
KFCGKIAPSPVVSSGPFLFIKFVSDYETHGAGFSIRYEIFKRGPECSQNYTAPTGVIKSPGFPEKYPNSLECTYIIFAPK
MSEIILEFESFDLEQDSNPPGGMFCRYDRLEIWDGFPEVGPHIGRYCGQKTPGRIRSSSGVLSMVFYTDSAIAKEGFSAN
YSVLQSSISEDFKCMEALGMESGEIHSDQITASSQYGTNWSVERSRLNYPENGWTPGEDSYKEWIQVDLGLLRFVTAVGT
QGAISKETKKKYYVKTYRVDISSNGEDWISLKEGNKAIIFQGNTNPTDVVLGVFSKPLITRFVRIKPVSWETGISMRFEV
YGCKITDYPCSGMLGMVSGLISDSQITASNQADRNWMPENIRLVTSRTGWALPPSPHPYTNEWLQVDLGDEKIVRGVIIQ
GGKHRENKVFMRKFKIAYSNNGSDWKTIMDDSKRKAKSFEGNNNYDTPELRTFSPLSTRFIRIYPERATHSGLGLRMELL
GCEVEAP</string>
                    <external_references type="UNIPROTKB">P97333</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Semaphorin-3A</name>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.06793181200000001</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>NYANGKNNVPRLKLSYKEMLESNNVITFNGLANSSSYHTFLLDEERSRLYVGAKDHIFSFNLVNIKDFQKIVWPVSYTRR
DECKWKGKDILKECANFIKVLEAYNQTHLYACGTGAFHPICTYIEVGHHPEDNIFKLQDSHFENGRGKSPYDPKLLTASL
LIDGELYSGTAADFMGRDFAIFRTLGHHHPIRTEQHDSRWLNDPRFISAHLIPESDNPEDDKVYFFFRENAIDGEHSGKA
THARIGQICKNDFGGHRSLVNKWTTFLKARLICSVPGPNGIDTHFDELQDVFLMNSKDPKNPIVYGVFTTSSNIFKGSAV
CMYSMSDVRRVFLGPYAHRDGPNYQWVPYQGRVPYPRPGTCPSKTFGGFDSTKDLPDDVITFARSHPAMYNPVFPINNRP
IMIKTDVNYQFTQIVVDRVDAEDGQYDVMFIGTDVGTVLKVVSVPKETWHDLEEVLLEEMTVFREPTTISAMELSTKQQQ
LYIGSTAGVAQLPLHRCDIYGKACAECCLARDPYCAWDGSSCSRYFPTAKARTRAQDIRNGDPLTHCSD(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)</string>
                    <external_references type="UNIPROTKB">O08665</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Plexin-A4</name>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.13325320300000001</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>KPSFVTFRGEPAEGFNHLVVDERTGHIYLGAVNRIYKLSSDLKVLVTHQTGPDEDNPKCYPPRIVQTCNEPLASTNNVNK
MLLIDYKENRLIACGSLYQGICKLLRLEDLFKLGEPFHKKEHYLSGVNESGSVFGVIVSYSNFDDKLFIATAVDGKPEYF
PTISSRKLTKNSEADGMFAYVFHDEFVASMIKIPSDTFTVIPDFDIYYVYGFSSGNFVYFLTLQPEMVSPPGSTTKEQVY
TSKLVRLCKEDTAFNSYVEVPIGCERNGVEYRLLQAAYLSKAGAVLGRTLGVRPDDDLLFTVFSKGQKRKMKSLDESALC
IFILKQINDRIKDRLQSCYRGEGTLDLAWLKVKDIPCSSALLTIDDNFCGLDMNAPLGVSEMVRGIPVFTEDRDRMTSVI
AYVYKNHSLAFVGTKSGKLKKIRVDGPKGNALQYETVQVVDSGPVLRDMAFSKDHEQLYIMSERQLTRVPVESCGQYRSC
GECLGSGDPHCGWCVLHNTCTRKERCERSREPRRFASEMKQCVRLTVHPNNISVSQYNVLLVLETYNVPELSAGVNCTFE
DLSEMDGLVIGNQIQCYSPAAKEVPRIITENGDHHVVQLQLKSKETGMTFASTSFVFYNCSVHNSCLSCVESPYRCHWCK
YRHVCTHDPNTCSFQEGRVKLPEDCPQLLRVDKILVPVEVIKPITLKAKNLPQPQSGQRGYECILNIQGIEQRVPALRFN
SSSVQCQNTSYSYEGMEINNLPVELTVVWNGHFNIDNPAQNKVYLYKCGAMRESCGLCLKADPDFECGWCQSPGQCTLRQ
HCPAHESRWLELSGANSKCTNPRITEIIPVTGPREGGTKVTIRGENLGLEFRDIASHVKVAGVECSPLVDGYIPAEQIVC
EMGEAKPSQHAGFVEICVAVCRPEFMARSSQLYYFMTLTLADLKPNRGPMSGGTQVTITGTNLNAGSNVVVMFGSQPCLF
HRRSPSYIICNTTSSEEVLDMKVTVQVDRARIRQDLVFQYVEDPTIVRIEPEWSIVSGNTPIAVWGTHLDLIQNPQIRAK
HGGKEHINICEVLNATEMTCQAPALALGPDHQSDLTERPEEFGFILDNVQSLLILNKTNFTYYPNPVFEAFSPSGILELK
PGTPIILKGKNLIPPVAGGNVKLNYTVLVGEKPCTVTVSDVQLLCESPNLIGRHKVMARVGGMEYSPGMVYIAP</string>
                    <external_references type="UNIPROTKB">Q80UG2</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="4">
                <name>CALCIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">4.0078e-05</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <formula>CA</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">
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <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>
                    <c2_aperture_diameter units="µm">100.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">50.0</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>1453090</number_selected>
                </particle_selection>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>4GZA</pdb_id>
                    </pdb_model>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C2</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.7</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>26741</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>RELION</name>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
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        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>280</col>
            <row>280</row>
            <sec>280</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>280</x>
            <y>280</y>
            <z>280</z>
        </spacing>
        <cell>
            <a units="Å">302.40002</a>
            <b units="Å">302.40002</b>
            <c units="Å">302.40002</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>-0.015544364</minimum>
            <maximum>0.04804559</maximum>
            <average>0.0005064486</average>
            <std>0.002195016</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.08</x>
            <y units="Å">1.08</y>
            <z units="Å">1.08</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.01</level>
                <source>AUTHOR</source>
            </contour>
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        <label>::::EMDATABANK.org::::EMD-23613::::</label>
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