<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1908" 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>2011-06-10</deposition>
         <header_release>2011-07-06</header_release>
         <map_release>2011-07-06</map_release>
         <update>2014-11-26</update>
      </key_dates>
      <title>Unique structure of iC3b by 3D-Electron Microscopy</title>
      <authors_list>
         <author>Alcorlo M</author>
         <author>Martinez-Barricarte R</author>
         <author>Fernandez FJ</author>
         <author>Rodriguez-Gallego C</author>
         <author>Round A</author>
         <author>Vega MC</author>
         <author>Harris CL</author>
         <author>Rodriguez-de-Cordoba S</author>
         <author>Llorca O</author>
      </authors_list>
      <keywords>iC3b, C3b, complement, 3D-electron microscopy, SAXS</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Alcorlo M</author>
               <author order="2">Martinez Barricarte R</author>
               <author order="3">Fernandez FJ</author>
               <author order="4">Rodriguez-Gallego C</author>
               <author order="5">Round A</author>
               <author order="6">Vega MC</author>
               <author order="7">Harris CL</author>
               <author order="8">Rodriguez de Cordoba S</author>
               <author order="9">Llorca O</author>
               <title>Unique structure of iC3b resolved at 24 A resolution by 3D-Electron Microscopy</title>
               <journal>PROC.NAT.ACAD.SCI.USA</journal>
               <volume>108</volume>
               <first_page>13236</first_page>
               <last_page>13240</last_page>
               <year>2011</year>
               <external_references type="PUBMED">21788512</external_references>
               <external_references type="DOI">doi:10.1073/pnas.1106746108</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>Human iC3b</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>Human iC3b</name>
            <oligomeric_state>Monomer</oligomeric_state>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">0.181</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="iC3b">Complement component iC3b</name>
            <natural_source database="NCBI">
               <organism ncbi="9606">Homo sapiens</organism>
               <synonym_organism>Human</synonym_organism>
               <tissue>Plasma</tissue>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.181</theoretical>
            </molecular_weight>
            <number_of_copies>1</number_of_copies>
            <oligomeric_state>Monomer</oligomeric_state>
            <recombinant_exp_flag>false</recombinant_exp_flag>
            <recombinant_expression database="NCBI">
               </recombinant_expression>
            <sequence>
               </sequence>
         </protein_or_peptide>
      </macromolecule_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">1.1</concentration>
               <buffer>
                  <ph>7.4</ph>
                  <details>150 mM NaCl, 20 mM Tris-HCL</details>
               </buffer>
               <staining>
                  <type>NEGATIVE</type>
                  <details>1% w/v uranyl acetate</details>
               </staining>
               <grid>
                  <details>Carbon-coated 400 mesh copper grid</details>
               </grid>
               <vitrification>
                  <cryogen_name>NONE</cryogen_name>
                  <instrument>OTHER</instrument>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>JEOL 1230</microscope>
               <illumination_mode>FLOOD BEAM</illumination_mode>
               <imaging_mode>BRIGHT FIELD</imaging_mode>
               <electron_source>TUNGSTEN HAIRPIN</electron_source>
               <acceleration_voltage units="kV">100</acceleration_voltage>
               <nominal_cs units="mm">2.9</nominal_cs>
               <nominal_defocus_min units="&#181;m">1.0</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">1.5</nominal_defocus_max>
               <nominal_magnification>50000.0</nominal_magnification>
               <specimen_holder_model>JEOL</specimen_holder_model>
               <alignment_procedure>
                  <legacy>
                     <astigmatism>Objective lens astigmatism was corrected at 80,000 times magnification</astigmatism>
                  </legacy>
               </alignment_procedure>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                     <digitization_details>
                        <scanner>OTHER</scanner>
                        <sampling_interval units="&#181;m">10.5</sampling_interval>
                     </digitization_details>
                     <number_real_images>112</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">10</average_electron_dose_per_image>
                     <details>Images scanned with Minolta Dimage Scan Multi Pro scanner at 2400 dpi and averaged to a final 4.2 Angstroms pixel at the specimen</details>
                     <bits_per_pixel>16.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>Eucentric</specimen_holder>
               <tilt_angle_min>0</tilt_angle_min>
               <tilt_angle_max>47</tilt_angle_max>
            </single_particle_microscopy>
         </microscopy_list>
         <singleparticle_processing image_processing_id="1">
            <details>The particles were selected manually with Boxer (Eman)</details>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">24.0</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>Xmipp,EMAN</name>
                  </software>
               </software_list>
               <number_images_used>29730</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="1459">
      <file>emd_1908.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>72</col>
         <row>72</row>
         <sec>72</sec>
      </dimensions>
      <origin>
         <col>-9</col>
         <row>-9</row>
         <sec>-9</sec>
      </origin>
      <spacing>
         <x>72</x>
         <y>72</y>
         <z>72</z>
      </spacing>
      <cell>
         <a units="&#8491;">302.4</a>
         <b units="&#8491;">302.4</b>
         <c units="&#8491;">302.4</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>-13.079293249999999</minimum>
         <maximum>13.85720444</maximum>
         <average>0.0</average>
         <std>0.97025698</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">4.2</x>
         <y units="&#8491;">4.2</y>
         <z units="&#8491;">4.2</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>4.59</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>3D structure of iC3b, a component of the
 complement alternative pathway</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1908::::</details>
   </map>
   <interpretation>
      <modelling_list>
         <modelling>
            <initial_model>
               <access_code>2I07</access_code>
            </initial_model>
            <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            <software_list>
               <software>
                  <name>Situs</name>
               </software>
            </software_list>
            <details>Protocol: Rigid Body</details>
            <target_criteria>Cross-correlation</target_criteria>
            <refinement_space>REAL</refinement_space>
         </modelling>
      </modelling_list>
   </interpretation>
</emd>