<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-3293" version="3.0.1.1" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_1_1/emdb_relaxed.xsd">
   <admin>
      <current_status>
         <code>REL</code>
         <processing_site>PDBe</processing_site>
      </current_status>
      <sites>
         <deposition>PDBe</deposition>
         <last_processing>PDBe</last_processing>
      </sites>
      <key_dates>
         <deposition>2016-01-09</deposition>
         <header_release>2016-01-20</header_release>
         <map_release>2016-02-17</map_release>
         <update>2016-02-17</update>
      </key_dates>
      <title>Sub-tomogram averaging of Lassa virus glycoprotein spike from virus-like particles at pH 5 in complex with purified LAMP1 fragment</title>
      <authors_list>
         <author>Li S</author>
         <author>Zhaoyang S</author>
         <author>Pryce R</author>
         <author>Parsy M-L</author>
         <author>Fehling SK</author>
         <author>Schlie K</author>
         <author>Siebert CA</author>
         <author>Garten W</author>
         <author>Bowden TA</author>
         <author>Strecker T</author>
         <author>Huiskonen JT</author>
      </authors_list>
      <keywords>lassa virus, membrane protein, glycoprotein, receptor binding, membrane fusion, lysosome-associated membrane protein 1, LAMP1, receptor, complex</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Li S</author>
               <author order="2">Sun Z</author>
               <author order="3">Pryce R</author>
               <author order="4">Parsy ML</author>
               <author order="5">Fehling SK</author>
               <author order="6">Schlie K</author>
               <author order="7">Siebert CA</author>
               <author order="8">Garten W</author>
               <author order="9">Bowden TA</author>
               <author order="10">Strecker T</author>
               <author order="11">Huiskonen JT</author>
               <title>Acidic pH-Induced Conformations and LAMP1 Binding of the Lassa Virus Glycoprotein Spike.</title>
               <journal>PLOS PATHOG.</journal>
               <volume>12</volume>
               <first_page>e1005418</first_page>
               <last_page>e1005418</last_page>
               <year>2016</year>
               <external_references type="PUBMED">26849049</external_references>
               <external_references type="DOI">doi:10.1371/journal.ppat.1005418</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>Purified Lassa virus VLPs at pH 5 mixed with purified fragment of LAMP1</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Purified Lassa virus VLPs at pH 5 mixed with purified fragment of LAMP1</name>
            <details>Unfixed virus-like particles</details>
            <number_unique_components>2</number_unique_components>
         </sample_supramolecule>
         <virus_supramolecule supramolecule_id="1">
            <name synonym="Lassa mammarenavirus">Lassa virus</name>
            <sci_species_name ncbi="11620">Lassa virus</sci_species_name>
            <sci_species_strain>Josiah</sci_species_strain>
            <natural_host database="NCBI">
               <organism ncbi="30639">Mastomys</organism>
               <synonym_organism>VERTEBRATES</synonym_organism>
            </natural_host>
            <host_system database="NCBI">
               <recombinant_organism ncbi="9612">Canis lupus</recombinant_organism>
               <recombinant_cell>Madin-Darby canine kidney</recombinant_cell>
            </host_system>
            <virus_type>VIRUS-LIKE PARTICLE</virus_type>
            <virus_isolate>STRAIN</virus_isolate>
            <virus_enveloped>true</virus_enveloped>
            <virus_empty>false</virus_empty>
            <syn_species_name>Lassa mammarenavirus</syn_species_name>
         </virus_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="lysosomal-associated membrane protein 1, LAMP1">lysosome-associated membrane glycoprotein 1</name>
            <natural_source database="NCBI">
               <organism ncbi="9606">Homo sapiens</organism>
               <synonym_organism>Human</synonym_organism>
               <cellular_location>Lysosome</cellular_location>
            </natural_source>
            <number_of_copies>3</number_of_copies>
            <oligomeric_state>monomer</oligomeric_state>
            <recombinant_exp_flag>true</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
               <recombinant_cell>HEK293T</recombinant_cell>
            </recombinant_expression>
            <sequence>
               <external_references type="UNIPROTKB">P11279</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>5.5</ph>
                  <details>50 mM buffer of succinic acid, dihydrogen phosphate and glycine (2:7:7)</details>
               </buffer>
               <grid>
                  <details>Grids (Cflat CF-2/1-2C-T) were glow-discharged for 15 s. 6-nm gold particles were added.</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE-PROPANE MIXTURE</cryogen_name>
                  <chamber_humidity units="percentage">80</chamber_humidity>
                  <chamber_temperature units="K">120</chamber_temperature>
                  <instrument>GATAN CRYOPLUNGE 3</instrument>
                  <method>Blot for 3 seconds before plunging.</method>
               </vitrification>
            </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>
               <nominal_cs units="mm">2.0</nominal_cs>
               <nominal_defocus_min units="&#181;m">1.4</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">4.6</nominal_defocus_max>
               <nominal_magnification>160000.0</nominal_magnification>
               <calibrated_magnification>37037.0</calibrated_magnification>
               <specimen_holder_model>OTHER</specimen_holder_model>
               <temperature>
                  <temperature_min units="K">80</temperature_min>
                  <temperature_max units="K">120</temperature_max>
               </temperature>
               <alignment_procedure>
                  <legacy>
                     <astigmatism>Objective lens astigmatism was corrected at 160,000 times magnification.</astigmatism>
                  </legacy>
               </alignment_procedure>
               <specialist_optics>
                  <energy_filter>
                     <name>GIF QUANTUM LS</name>
                     <lower_energy_threshold units="eV">0.0</lower_energy_threshold>
                     <upper_energy_threshold units="eV">20.0</upper_energy_threshold>
                  </energy_filter>
               </specialist_optics>
               <details>Super-resolution counting mode</details>
               <date>2015-09-25</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                     <digitization_details>
                        <sampling_interval units="&#181;m">5</sampling_interval>
                     </digitization_details>
                     <number_real_images>30</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">60</average_electron_dose_per_image>
                     <details>Each image is a tilt series of 19 movies, acquired at 5 degree intervals. Each movie consists of 8 frames.</details>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Liquid nitrogen cooled</specimen_holder>
               <tilt_series>
                  <axis1>
                     <min_angle units="deg">-45</min_angle>
                     <max_angle units="deg">45</max_angle>
                  </axis1>
               </tilt_series>
            </subtomogram_averaging_microscopy>
         </microscopy_list>
         <subtomogram_averaging_processing image_processing_id="1">
            <details>Subtomograms were picked manually. No C3 symmetry was imposed in the initial stages of refinement.</details>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C3</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">14.8</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>IMOD, Dynamo</name>
                  </software>
               </software_list>
               <number_subtomograms_used>2764</number_subtomograms_used>
            </final_reconstruction>
            <ctf_correction>
               <details>Each tilted image</details>
            </ctf_correction>
            <final_three_d_classification>
               <number_classes>1</number_classes>
            </final_three_d_classification>
         </subtomogram_averaging_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="8193">
      <file>emd_3293.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>128</col>
         <row>128</row>
         <sec>128</sec>
      </dimensions>
      <origin>
         <col>0</col>
         <row>0</row>
         <sec>0</sec>
      </origin>
      <spacing>
         <x>128</x>
         <y>128</y>
         <z>128</z>
      </spacing>
      <cell>
         <a units="&#8491;">345.6</a>
         <b units="&#8491;">345.6</b>
         <c units="&#8491;">345.6</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>-3.91460943</minimum>
         <maximum>3.80016589</maximum>
         <average>-0.03996465</average>
         <std>0.4378463</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">2.7</x>
         <y units="&#8491;">2.7</y>
         <z units="&#8491;">2.7</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>1.0</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>Sub-tomogram average of the glycoprotein spike trimer-receptor fragment complex</annotation_details>
      <details>::::EMDATABANK.org::::EMD-3293::::</details>
   </map>
   <interpretation>
      <figure_list>
         <figure>
            <file>emd_3293.tif</file>
         </figure>
      </figure_list>
   </interpretation>
   <validation>
      <fsc_curve>
         <file>emd_3293_fsc.xml</file>
      </fsc_curve>
   </validation>
</emd>