<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1015" 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>2002-10-10</deposition>
         <header_release>2002-10-11</header_release>
         <map_release>2002-10-11</map_release>
         <update>2016-06-29</update>
      </key_dates>
      <title>Cryo-electron microscopy reveals the functional organization of an enveloped virus, Semliki Forest virus.</title>
      <authors_list>
         <author>Mancini EJ</author>
         <author>Clarke M</author>
         <author>Gowen B</author>
         <author>Rutten T</author>
         <author>Fuller SD</author>
      </authors_list>
      <keywords>
         </keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Mancini EJ</author>
               <author order="2">Clarke M</author>
               <author order="3">Gowen BE</author>
               <author order="4">Rutten T</author>
               <author order="5">Fuller SD</author>
               <title>Cryo-electron microscopy reveals the functional organization of an enveloped virus, Semliki Forest virus.</title>
               <journal>MOLECULAR CELL</journal>
               <volume>5</volume>
               <first_page>255</first_page>
               <last_page>266</last_page>
               <year>2000</year>
               <external_references type="PUBMED">10882067</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>1dyl</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>Semliki Forest Virus</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Semliki Forest Virus</name>
            <oligomeric_state>T=4 membraneous particle</oligomeric_state>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">50</theoretical>
               <method>theoretical</method>
            </molecular_weight>
         </sample_supramolecule>
         <virus_supramolecule supramolecule_id="1">
            <name synonym="SFV">Semliki forest virus</name>
            <sci_species_name ncbi="11033">Semliki forest virus</sci_species_name>
            <natural_host database="NCBI">
               <organism>baby hamster kidney 21 cells</organism>
               <synonym_organism>VERTEBRATES</synonym_organism>
            </natural_host>
            <host_system database="NCBI">
               </host_system>
            <virus_shell shell_id="1">
               <name>envelope</name>
               <triangulation>4</triangulation>
            </virus_shell>
            <virus_shell shell_id="2">
               <name>nucleocapsid</name>
               <triangulation>4</triangulation>
            </virus_shell>
            <virus_type>VIRION</virus_type>
            <virus_isolate>STRAIN</virus_isolate>
            <virus_enveloped>true</virus_enveloped>
            <virus_empty>false</virus_empty>
            <syn_species_name>SFV</syn_species_name>
         </virus_supramolecule>
      </supramolecule_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">
               <concentration units="mg/mL">3</concentration>
               <buffer>
                  <ph>7.4</ph>
                  <details>Tris (10mM) NaCl (100 mM) ph 7.4</details>
               </buffer>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <chamber_humidity units="percentage">100</chamber_humidity>
                  <chamber_temperature units="K">37</chamber_temperature>
                  <instrument>HOMEMADE PLUNGER</instrument>
                  <details>Vitrification instrument: EMBL plunger with warm humid air spray. plunging at ambient temperature and humidity</details>
                  <method>Blot for 2 sec Graticule grids were used to maintain flatness</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI/PHILIPS CM200FEG/ST</microscope>
               <illumination_mode>FLOOD BEAM</illumination_mode>
               <imaging_mode>BRIGHT FIELD</imaging_mode>
               <electron_source>FIELD EMISSION GUN</electron_source>
               <acceleration_voltage units="kV">200</acceleration_voltage>
               <nominal_cs units="mm">2</nominal_cs>
               <nominal_defocus_min units="&#181;m">0.975</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">7.628</nominal_defocus_max>
               <nominal_magnification>50000.0</nominal_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <temperature>
                  <temperature_average units="K">105</temperature_average>
               </temperature>
               <date>1995-01-01</date>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>ZEISS SCAI</scanner>
                        <sampling_interval units="&#181;m">7</sampling_interval>
                     </digitization_details>
                     <number_real_images>48</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">8</average_electron_dose_per_image>
                     <detector_distance>44</detector_distance>
                     <od_range>1.0</od_range>
                     <bits_per_pixel>8.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>eucentric</specimen_holder>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <ctf_correction>
               <details>ctf multiplication and summation of normalized reconstructions</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>I</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">9.0</resolution>
               <resolution_method>OTHER</resolution_method>
               <software_list>
                  <software>
                     <name>EMBL-ICOS</name>
                  </software>
               </software_list>
               <details>final maps were calculated by making a normalized sum of
        seperate ctf multiplied maps: Baker, T. S., Olson, N. H., and
        Fuller, S. D. (1999). Adding the third dimension to virus life
        cycles: Three-Dimensional Reconstruction of Icosahedral Viruses
        from Cryo-Electron Micrographs. Microbiology and Molecular
        Biology       Reviews 63, 862-922. Fuller, S. D., Butcher, S.
        J., Cheng, R. H.,       and Baker, T. S. (1996).
        Three-dimensional reconstruction of       icosahedral
        particles-the uncommon line. J Struct Biol 116,       48-55.
        Mancini, E. J., Clarke, M., Gowen, B., Rutten, T., and
        Fuller, S. D. (2000). Cryo-electron microscopy reveals the
        functional organization of an enveloped virus, Semliki Forest
        virus. Molecular Cell 5, 255-266. Mancini, E. J., de Haas, F.,
        and       Fuller, S. D. (1997). High-resolution icosahedral
        reconstruction:       fulfilling the promise of cryo-electron
        microscopy. Structure 5, 741-750.</details>
               <number_images_used>6000</number_images_used>
            </final_reconstruction>
            <final_angle_assignment>
               <details>sufficient to give maximum inverse eigenvalue
        of 0.1</details>
            </final_angle_assignment>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
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         <alpha units="deg">90</alpha>
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         <gamma units="deg">90</gamma>
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         <fast>X</fast>
         <medium>Y</medium>
         <slow>Z</slow>
      </axis_order>
      <statistics>
         <minimum>-25432.0</minimum>
         <maximum>25955.0</maximum>
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      <contour_list>
         <contour primary="true">
            <level>9460.0</level>
         </contour>
      </contour_list>
      <annotation_details>Semliki Forest virus.</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1015::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>1DYL</access_code>
               <chain>
                  <chain_id>A</chain_id>
               </chain>
               <chain>
                  <chain_id>B</chain_id>
               </chain>
               <chain>
                  <chain_id>C</chain_id>
               </chain>
               <chain>
                  <chain_id>D</chain_id>
               </chain>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>emfit (Cheng et al 1995)</name>
               </software>
            </software_list>
            <details>Protocol: rigid body. The capsid protein used for the rigid body refinement was PDB entry 1VCQ</details>
            <target_criteria>R factor and clashes</target_criteria>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
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      </slices_list>
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