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            <date>2026-04-29</date>
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                        <provider>REPOSITORY</provider>
                    </primary_map>
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            </revision>
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        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2025-04-16</deposition>
            <header_release>2026-04-29</header_release>
            <map_release>2026-04-29</map_release>
            <update>2026-04-29</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>INST 35/1314- 1 FUGG and INST 35/1503-1 FUGG</code>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-electron tomography of an A549 cell infected with influenza A/WSN/33 virus</title>
        <authors_list>
            <author ORCID="0000-0002-8082-3546">Peterl S</author>
            <author ORCID="0000-0002-7782-2139">Chlanda P</author>
        </authors_list>
        <keywords>influenza A virus entry, VIRUS</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author ORCID="0000-0002-8082-3546" order="1">Peterl S</author>
                    <author ORCID="0000-0002-7782-2139" order="2">Chlanda P</author>
                    <title>Cryo-electron tomography of an A549 cell infected with influenza A/WSN/33 virus</title>
                    <journal_abbreviation>To Be Published</journal_abbreviation>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <other_db_list>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-53448</accession_id>
                <content_type>associated EM volume</content_type>
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    <sample>
        <name>Influenza A virus (A/WSN/1933(H1N1))</name>
        <supramolecule_list>
            <virus_supramolecule supramolecule_id="1">
                <name>Influenza A virus (A/WSN/1933(H1N1))</name>
                <parent>0</parent>
                <sci_species_name ncbi="382835">Influenza A virus (A/WSN/1933(H1N1))</sci_species_name>
                <virus_type>VIRION</virus_type>
                <virus_isolate>STRAIN</virus_isolate>
                <virus_enveloped>true</virus_enveloped>
                <virus_empty>false</virus_empty>
            </virus_supramolecule>
        </supramolecule_list>
    </sample>
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                <tomography_preparation preparation_id="1">
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                        <material>GOLD</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>SILICON DIOXIDE</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>PLASMA CLEANING</type>
                            <time units="s">10</time>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">80</chamber_humidity>
                        <chamber_temperature units="K">310</chamber_temperature>
                        <instrument>LEICA EM GP</instrument>
                        <details>GP2. </details>
                    </vitrification>
                    <sectioning>
                        <focused_ion_beam>
                            <instrument>OTHER</instrument>
                            <ion>OTHER</ion>
                            <voltage>30</voltage>
                            <current>0.03</current>
                            <duration>120</duration>
                            <temperature units="K">83</temperature>
                            <initial_thickness>5000</initial_thickness>
                            <final_thickness>150</final_thickness>
                            <details>This applies to the last milling step.. The value given for _em_focused_ion_beam.instrument is Aquilos2 (TermoFisher Scientific). This is not in a list of allowed values {'DB235', 'OTHER'} so OTHER is written into the XML file.</details>
                        </focused_ion_beam>
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                </tomography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <tomography_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_defocus_min units="µm">3.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.0</nominal_defocus_max>
                    <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">3.2</average_electron_dose_per_image>
                        </image_recording>
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                    <number_images_used>41</number_images_used>
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                <ctf_correction>
                    <type>PHASE FLIPPING ONLY</type>
                </ctf_correction>
            </tomography_processing>
        </structure_determination>
    </structure_determination_list>
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        <file>emd_53448.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS SIGNED BYTE</data_type>
        <dimensions>
            <col>1364</col>
            <row>1820</row>
            <sec>217</sec>
        </dimensions>
        <origin>
            <col>278</col>
            <row>-236</row>
            <sec>-99</sec>
        </origin>
        <spacing>
            <x>1364</x>
            <y>1820</y>
            <z>217</z>
        </spacing>
        <cell>
            <a units="Å">10929.731</a>
            <b units="Å">14583.659</b>
            <c units="Å">1738.8209</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>-128.0</minimum>
            <maximum>127.0</maximum>
            <average>11.987833999999999</average>
            <std>15.469084000000001</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">8.013</x>
            <y units="Å">8.013</y>
            <z units="Å">8.013</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-53448::::</label>
        <annotation_details>Cryo-electron tomograms
of spherical influenza A virus (WSN) particles in an endosomal
compartment of infected A549 cells at 15-30 min post infection.</annotation_details>
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