<?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_3/emdb.xsd" version="3.0.9.3" emdb_id="EMD-11123">
    <admin>
        <current_status>
            <date>2024-11-13</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-06-04</deposition>
            <header_release>2020-10-07</header_release>
            <map_release>2020-10-07</map_release>
            <update>2024-11-13</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>INST 152/772-1, 774-1, 775-1, 776-1 FUGG</code>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Wellcome Trust</funding_body>
                <code>209250/Z/17/Z, 107806/Z/15/Z, 203815/Z/16/A, 203141/Z/16/Z</code>
                <country>United Kingdom</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Medical Research Council (MRC, United Kingdom)</funding_body>
                <code>MR/M019292/1, MR/R017875/1</code>
                <country>United Kingdom</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Marie Sklodowska-Curie Actions, FragNET ITN</funding_body>
                <code>KGBVIFEF</code>
                <country>European Union</country>
            </grant_reference>
        </grant_support>
        <title>Pre-fusion conformation of glycoprotein B of Herpes simplex virus 1</title>
        <authors_list>
            <author>Vollmer B</author>
            <author>Prazak V</author>
        </authors_list>
        <keywords>Membrane fusion protein, glycoprotein, gB, UL27, viral entry protein, class III fusion protein, transmembrane protein, pre-fusion conformation, VIRAL PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Vollmer B</author>
                    <author order="2">Prazak V</author>
                    <author order="3">Vasishtan D</author>
                    <author order="4">Jefferys EE</author>
                    <author order="5">Hernandez-Duran A</author>
                    <author order="6">Vallbracht M</author>
                    <author order="7">Klupp BG</author>
                    <author order="8">Mettenleiter TC</author>
                    <author order="9">Backovic M</author>
                    <author order="10">Rey FA</author>
                    <author order="11">Topf M</author>
                    <author order="12">Grunewald K</author>
                    <title>The prefusion structure of herpes simplex virus glycoprotein B.</title>
                    <journal_abbreviation>Sci Adv</journal_abbreviation>
                    <country>US</country>
                    <volume>6</volume>
                    <year>2020</year>
                    <external_references type="PUBMED">32978151</external_references>
                    <external_references type="DOI">doi:10.1126/sciadv.abc1726</external_references>
                    <external_references type="ISSN">2375-2548</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-3362</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Wildtype version of the same protein</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6z9m</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Human alphaherpesvirus 1</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Human alphaherpesvirus 1</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>Protein recombinantly expressed in membrane protein enriched extracellular vesicles (MPEEVs)</details>
                <sci_species_name ncbi="10298">Human alphaherpesvirus 1</sci_species_name>
                <natural_host database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_host>
                <molecular_weight>
                    <theoretical units="MDa">0.3</theoretical>
                </molecular_weight>
                <virus_type>VIRUS-LIKE PARTICLE</virus_type>
                <virus_isolate>OTHER</virus_isolate>
                <virus_enveloped>true</virus_enveloped>
                <virus_empty>true</virus_empty>
            </virus_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Envelope glycoprotein B</name>
                <natural_source database="NCBI">
                    <organism ncbi="10298">Human herpesvirus 1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.10038330499999999</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="10036">Mesocricetus auratus</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MHQGAPSWGRRWFVVWALLGLTLGVLVASAAPSSPGTPGVAAATQAANGGPATPAPPALGAAPTGDPKPKKNKKPKNPTP
PRPAGDNATVAAGHATLREHLRDIKAENTDANFYVCPPPTGATVVQFEQPRRCPTRPEGQNYTEGIAVVFKENIAPYKFK
ATMYYKDVTVSQVWFGHRYSQFMGIFEDRAPVPFEEVIDKINAKGVCRSTAKYVRNNLETTAFHRDDHETDMELKPANAA
TRTSRGWHTTDLKYNPSRVEAFHRYGTTVNCIVEEVDARSVYPYDEFVLATGDFVYMSPFYGYREGSHTEHTSYAADRFK
QVDGFYARDLTTKARATAPTTRNLLTTPKFTVAWDWVPKRPSVCTMTKWQEVDEMLRSEYGGSFRFSSDAISTTFTTNLT
EYPLSRVDLGDCIGKDARDAMDRIFARRYNATHIKVGQPQYYLANGGFLIAYQPLLSNTLAELYVREHLREQSRKPPNPT
PPPPGASANASVERIKTTSSIEFARLQFTYNHIQRPVNDMLGRVAIAWCELQNHELTLWNEARKLNPNAIASVTVGRRVS
ARMLGDVMAVSTCVPVAADNVIVQNSMRISSRPGACYSRPLVSFRYEDQGPLVEGQLGENNELRLTRDAIEPCTVGHRRY
FTFGGGYVYFEEYAYSHQLSRADITTVSTFIDLNITMLEDHEFVPLEVYTRHEIKDSGLLDYTEVQRRNQLHDLRFADID
TVIHADANAAMFAGLGAFFEGMGDLGRAVGKVVMGIVGGVVSAVSGVSSFMSNPFGALAVGLLVLAGLAAAFFAFRYVMR
LQSNPMKALYPLTTKELKNPTNPDASGEGEEGGDFDEAKLAEAREMIRYMALVSAMERTEHKAKKKGTSALLSAKVTDMV
MRKRRNTNYTQVPNKDGDADEDDL</string>
                    <external_references type="UNIPROTKB">A1Z0P7</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>subtomogramAveraging</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <subtomogram_averaging_preparation preparation_id="1">
                    <buffer>
                        <ph>7.8</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>C8H18N2O4S</formula>
                            <name>Hepes</name>
                        </component>
                        <component>
                            <concentration units="mM">150.0</concentration>
                            <formula>NaCl</formula>
                            <name>Sodium Chloride</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/1</model>
                        <material>COPPER</material>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                            <film_thickness>12.0</film_thickness>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">120</time>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE-PROPANE</cryogen_name>
                        <instrument>HOMEMADE PLUNGER</instrument>
                    </vitrification>
                    <details>Protein recombinantly expressed in membrane protein enriched extracellular vesicles (MPEEVs)</details>
                </subtomogram_averaging_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <subtomogram_averaging_microscopy microscopy_id="1">
                    <microscope>FEI POLARA 300</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">70.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.0</nominal_cs>
                    <calibrated_defocus_min units="µm">1.6</calibrated_defocus_min>
                    <calibrated_defocus_max units="µm">3.5</calibrated_defocus_max>
                    <specimen_holder_model>OTHER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Quantum LS</name>
                            <slit_width units="eV">20</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <details>Additional Dataset collected using Titan Krios (FEI Thermo) at 300 kV with a 70 um C2 aperture and post-column QUANTUM energy filter operated in Zero-Loss mode using 20 eV energy slit and K2 Summit direct electron detector in counting mode (Gatan). Defocus range: 2300 - 4900 nm.</details>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">3836</width>
                                    <height units="pixel">3710</height>
                                </dimensions>
                            </digitization_details>
                            <average_electron_dose_per_image units="e/Å^2">2.3</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </subtomogram_averaging_microscopy>
            </microscopy_list>
            <subtomogram_averaging_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>C3</point_group>
                    </applied_symmetry>
                    <algorithm>BACK PROJECTION</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">9.1</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>PEET</name>
                        </software>
                    </software_list>
                    <number_subtomograms_used>46067</number_subtomograms_used>
                </final_reconstruction>
                <extraction>
                    <number_tomograms>99</number_tomograms>
                    <number_images_used>56176</number_images_used>
                    <method>Manual</method>
                    <software_list>
                        <software>
                            <name>3dmod</name>
                        </software>
                    </software_list>
                </extraction>
                <final_angle_assignment>
                    <type>OTHER</type>
                    <software_list>
                        <software>
                            <name>PEET</name>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </subtomogram_averaging_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="4001">
        <file>emd_11123.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>100</col>
            <row>100</row>
            <sec>100</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>100</x>
            <y>100</y>
            <z>100</z>
        </spacing>
        <cell>
            <a units="Å">160.0</a>
            <b units="Å">160.0</b>
            <c units="Å">160.0</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>-0.33630377</minimum>
            <maximum>0.3112999</maximum>
            <average>0.0000015608573</average>
            <std>0.0327678</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.6</x>
            <y units="Å">1.6</y>
            <z units="Å">1.6</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.056</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-11123::::</label>
        <annotation_details>Pre-fusion structure of glycoprotein B of Herpes simplex virus 1</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>5V2S</access_code>
                    <chain>
                        <chain_id>A</chain_id>
                        <residue_range>104-723</residue_range>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <target_criteria>Cross correlation coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
                <overall_bvalue>300.0</overall_bvalue>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
