<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1121" 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>2005-04-08</deposition>
         <header_release>2005-04-08</header_release>
         <map_release>2006-01-16</map_release>
         <update>2013-03-13</update>
      </key_dates>
      <title>Mapping the structure and function of the E1 and E2 glycoproteins in alphaviruses.</title>
      <authors_list>
         <author>Mukhopadhyay S</author>
         <author>Zhang W</author>
         <author>Gabler S</author>
         <author>Chipman PR</author>
         <author>Strauss EG</author>
         <author>Strauss JH</author>
         <author>Baker TS</author>
         <author>Kuhn RJ</author>
         <author>Rossmann MG</author>
      </authors_list>
      <keywords>
         </keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Mukhopadhyay S</author>
               <author order="2">Zhang W</author>
               <author order="3">Gabler S</author>
               <author order="4">Chipman PR</author>
               <author order="5">Strauss EG</author>
               <author order="6">Strauss JH</author>
               <author order="7">Baker TS</author>
               <author order="8">Kuhn RJ</author>
               <author order="9">Rossmann MG</author>
               <title>Mapping the structure and function of the E1 and E2 glycoproteins in alphaviruses.</title>
               <journal>STRUCTURE</journal>
               <volume>14</volume>
               <first_page>63</first_page>
               <last_page>73</last_page>
               <year>2006</year>
               <external_references type="PUBMED">16407066</external_references>
               <external_references type="DOI">doi:10.1016/j.str.2005.07.025</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
      <pdb_list>
         <pdb_reference>
            <pdb_id>1z8y</pdb_id>
            <relationship>
               <in_frame>FULLOVERLAP</in_frame>
            </relationship>
         </pdb_reference>
      </pdb_list>
   </crossreferences>
   <sample>
      <name>Sindbis TE12 E2-N318Q</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Sindbis TE12 E2-N318Q</name>
            <details>Sample is a single deglycosylated virus.  For mutagenesis
      and purification, please see Pletnev et al. (2001) Cell.  Virus
      contains 3 proteins (E1, E2,            capsid), a lipid bilyer,
      and a       positive-strand RNA genome.</details>
            <number_unique_components>1</number_unique_components>
         </sample_supramolecule>
         <virus_supramolecule supramolecule_id="1">
            <name synonym="Sindbis strain TE12">Sindbis virus</name>
            <details>deglycosylated virus</details>
            <sci_species_name ncbi="11034">Sindbis virus</sci_species_name>
            <natural_host database="NCBI">
               <organism ncbi="9606">Homo sapiens</organism>
               <synonym_organism>INVERTEBRATES</synonym_organism>
            </natural_host>
            <host_system database="NCBI">
               </host_system>
            <molecular_weight>
               <experimental units="MDa">52</experimental>
            </molecular_weight>
            <virus_shell shell_id="1">
               <name>glycoprotein</name>
               <diameter units="&#8491;">710</diameter>
               <triangulation>4</triangulation>
            </virus_shell>
            <virus_shell shell_id="2">
               <name>lipid bilayer</name>
               <diameter units="&#8491;">480</diameter>
               <triangulation>4</triangulation>
            </virus_shell>
            <virus_shell shell_id="3">
               <name>capsid</name>
               <diameter units="&#8491;">410</diameter>
               <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>Sindbis strain TE12</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">6</concentration>
               <buffer>
                  <ph>7.4</ph>
                  <details>20 mM Tris-Cl, 200 mM NaCl, 0.1 mM EDTA</details>
               </buffer>
               <staining>
                  <type>NEGATIVE</type>
                  <details>no staining</details>
               </staining>
               <grid>
                  <details>holey carbon 400 mesh copper grid</details>
               </grid>
               <vitrification>
                  <cryogen_name>ETHANE</cryogen_name>
                  <instrument>HOMEMADE PLUNGER</instrument>
                  <details>Vitrification instrument: Purdue manufactured, gravity driven device. Vitrification carried out in hood.</details>
                  <timed_resolved_state>Vitrified immediately after blotting.</timed_resolved_state>
                  <method>standard methods</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI/PHILIPS CM200T</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">2.0</nominal_cs>
               <nominal_defocus_min units="&#181;m">1.1</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">2.58</nominal_defocus_max>
               <nominal_magnification>38000.0</nominal_magnification>
               <calibrated_magnification>39220.0</calibrated_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <temperature>
                  <temperature_min units="K">87</temperature_min>
                  <temperature_max units="K">100</temperature_max>
               </temperature>
               <alignment_procedure>
                  <legacy>
                     <astigmatism>objective lens astigmatism was corrected at
        100,000       times magnification</astigmatism>
                  </legacy>
               </alignment_procedure>
               <details>Low dose</details>
               <date>2000-06-21</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>27</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">18</average_electron_dose_per_image>
                     <details>optical density range is 0.33-1.35</details>
                     <od_range>1.0</od_range>
                     <bits_per_pixel>8.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Side entry liquid nitrogen-cooled cryo specimen holder</specimen_holder>
               <tilt_angle_min>0</tilt_angle_min>
               <tilt_angle_max>0</tilt_angle_max>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <details>The particles were selected interactively at the
          computer terminal.</details>
            <ctf_correction>
               <details>CTF correction of each particle.</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>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>Purdue Suite</name>
                  </software>
               </software_list>
               <details>resolution determined by splitting data set         into
        two groups.</details>
               <number_images_used>7085</number_images_used>
            </final_reconstruction>
            <final_angle_assignment>
               <details>Euler angles (theta, phi, omega) are defined
        as       three successive  rotations in a right hand coordinate
        system.       First, the viewer is rotated  counterclockwise
        around the z-axis       (angle 'phi') and then rotated
        counterclockwise around the new       y-axis (angle 'theta') and
        rotate  clockwise around the new z-axis       (angle 'omega').</details>
            </final_angle_assignment>
            <final_two_d_classification>
               <number_classes>3</number_classes>
            </final_two_d_classification>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="335025">
      <file>emd_1121.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>441</col>
         <row>441</row>
         <sec>441</sec>
      </dimensions>
      <origin>
         <col>-220</col>
         <row>-220</row>
         <sec>-220</sec>
      </origin>
      <spacing>
         <x>441</x>
         <y>441</y>
         <z>441</z>
      </spacing>
      <cell>
         <a units="&#8491;">787.18</a>
         <b units="&#8491;">787.18</b>
         <c units="&#8491;">787.18</c>
         <alpha units="deg">90</alpha>
         <beta units="deg">90</beta>
         <gamma units="deg">90</gamma>
      </cell>
      <axis_order>
         <fast>Y</fast>
         <medium>X</medium>
         <slow>Z</slow>
      </axis_order>
      <statistics>
         <minimum>-297.649999999999977</minimum>
         <maximum>402.470000000000027</maximum>
         <average>7.03224</average>
         <std>65.091200000000001</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">1.78499</x>
         <y units="&#8491;">1.78499</y>
         <z units="&#8491;">1.78499</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>138.0</level>
         </contour>
      </contour_list>
      <annotation_details>center of virus is where z=0</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1121::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>1I9W</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>EMFIT</name>
               </software>
            </software_list>
            <details>Protocol: Rigid body. each protein in the asymmetric unit was fitting individually.</details>
            <target_criteria>sumf</target_criteria>
            <refinement_space>REAL</refinement_space>
         </modelling>
         <modelling>
            <initial_model>
               <access_code>1XYK</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>EMFIT</name>
               </software>
            </software_list>
            <details>Protocol: Rigid body. each protein in the asymmetric unit was fitting individually.</details>
            <target_criteria>sumf</target_criteria>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>