<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" emdb_id="EMD-1928" 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>2011-07-07</deposition>
         <header_release>2012-01-20</header_release>
         <map_release>2012-01-20</map_release>
         <update>2012-08-29</update>
      </key_dates>
      <title>Modular architecture of eukaryotic RNase P and RNase MRP revealed by electron microscopy</title>
      <authors_list>
         <author>Hipp K</author>
         <author>Galani K</author>
         <author>Batisse C</author>
         <author>Prinz S</author>
         <author>Bottcher B</author>
      </authors_list>
      <keywords>RNase P, RNA-processing, ribozyme</keywords>
   </admin>
   <crossreferences>
      <citation_list>
         <primary_citation>
            <journal_citation published="true">
               <author order="1">Hipp K</author>
               <author order="2">Galani K</author>
               <author order="3">Batisse C</author>
               <author order="4">Prinz S</author>
               <author order="5">Bottcher B</author>
               <title>Modular architecture of eukaryotic RNase P and RNase MRP revealed by electron microscopy.</title>
               <journal>NUCLEIC ACIDS RES.</journal>
               <volume>40</volume>
               <first_page>3275</first_page>
               <last_page>3288</last_page>
               <year>2012</year>
               <external_references type="PUBMED">22167472</external_references>
               <external_references type="DOI">doi:10.1093/nar/gkr1217</external_references>
            </journal_citation>
         </primary_citation>
      </citation_list>
   </crossreferences>
   <sample>
      <name>RNase MRP</name>
      <supramolecule_list>
         <sample_supramolecule supramolecule_id="1000">
            <name>RNase MRP</name>
            <number_unique_components>1</number_unique_components>
            <molecular_weight>
               <theoretical units="MDa">0.41</theoretical>
            </molecular_weight>
         </sample_supramolecule>
      </supramolecule_list>
      <macromolecule_list>
         <protein_or_peptide macromolecule_id="1">
            <name synonym="RNase MRP">Ribonuclease MRP</name>
            <natural_source database="NCBI">
               <organism ncbi="4932">Saccharomyces cerevisiae</organism>
               <synonym_organism>Baker's yeast</synonym_organism>
               <organelle>Nucleus</organelle>
            </natural_source>
            <molecular_weight>
               <theoretical units="MDa">0.41</theoretical>
            </molecular_weight>
            <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">
               <buffer>
                  <ph>7.5</ph>
                  <details>50 mM Tris HCl pH 7.5, 100 mM NaCl, 10 mM MgCl2, 1 mM DTT</details>
               </buffer>
               <staining>
                  <type>NEGATIVE</type>
                  <details>sandwich, cryo negative stain with 1% uranyl acetate</details>
               </staining>
               <grid>
                  <details>400 mesh copper grid</details>
               </grid>
               <vitrification>
                  <cryogen_name>NITROGEN</cryogen_name>
                  <chamber_temperature units="K">95</chamber_temperature>
                  <instrument>OTHER</instrument>
                  <method>samples were stained and frozen after partly drying, by dipping grids into liquid nitrogen</method>
               </vitrification>
            </single_particle_preparation>
         </specimen_preparation_list>
         <microscopy_list>
            <single_particle_microscopy microscopy_id="1">
               <microscope>FEI/PHILIPS CM200FEG</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">0.68</nominal_defocus_min>
               <nominal_defocus_max units="&#181;m">1.1</nominal_defocus_max>
               <nominal_magnification>66000.0</nominal_magnification>
               <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
               <temperature>
                  <temperature_min units="K">95</temperature_min>
                  <temperature_max units="K">95</temperature_max>
                  <temperature_average units="K">95</temperature_average>
               </temperature>
               <alignment_procedure>
                  <legacy>
                     <astigmatism>astigmatism was corrected at 200000 times magnification on carbon film</astigmatism>
                  </legacy>
               </alignment_procedure>
               <image_recording_list>
                  <image_recording>
                     <film_or_detector_model category="CCD">GENERIC TVIPS (2k x 2k)</film_or_detector_model>
                     <number_real_images>2006</number_real_images>
                     <average_electron_dose_per_image units="e/&#8491;^2">20</average_electron_dose_per_image>
                     <bits_per_pixel>12.</bits_per_pixel>
                  </image_recording>
               </image_recording_list>
               <specimen_holder>side entry, liquid nitrogen cooled</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>particle were selected automatically, particle orientations were determined by projection matching</details>
            <ctf_correction>
               <details>each particle, phase flipping</details>
            </ctf_correction>
            <final_reconstruction>
               <applied_symmetry>
                  <point_group>C1</point_group>
               </applied_symmetry>
               <algorithm>OTHER</algorithm>
               <resolution res_type="BY AUTHOR" units="&#8491;">15.0</resolution>
               <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
               <software_list>
                  <software>
                     <name>spider, imagic, xmipp</name>
                  </software>
               </software_list>
               <details>final maps were calculated from 20 defocus groups, number of particles in certain orientations were limited to counterbalance preferred orientations</details>
               <number_images_used>32232</number_images_used>
            </final_reconstruction>
         </singleparticle_processing>
      </structure_determination>
   </structure_determination_list>
   <map format="CCP4" size_kbytes="6751">
      <file>emd_1928.map.gz</file>
      <symmetry>
         <space_group>1</space_group>
      </symmetry>
      <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
      <dimensions>
         <col>120</col>
         <row>120</row>
         <sec>120</sec>
      </dimensions>
      <origin>
         <col>-60</col>
         <row>-60</row>
         <sec>-60</sec>
      </origin>
      <spacing>
         <x>120</x>
         <y>120</y>
         <z>120</z>
      </spacing>
      <cell>
         <a units="&#8491;">264</a>
         <b units="&#8491;">264</b>
         <c units="&#8491;">264</c>
         <alpha units="deg">90</alpha>
         <beta units="deg">90</beta>
         <gamma units="deg">90</gamma>
      </cell>
      <axis_order>
         <fast>X</fast>
         <medium>Y</medium>
         <slow>Z</slow>
      </axis_order>
      <statistics>
         <minimum>-2.80114</minimum>
         <maximum>10.2021</maximum>
         <average>0.0338696</average>
         <std>0.389815</std>
      </statistics>
      <pixel_spacing>
         <x units="&#8491;">2.2</x>
         <y units="&#8491;">2.2</y>
         <z units="&#8491;">2.2</z>
      </pixel_spacing>
      <contour_list>
         <contour primary="true">
            <level>0.9</level>
            <source>AUTHOR</source>
         </contour>
      </contour_list>
      <annotation_details>RNase MRP</annotation_details>
      <details>::::EMDATABANK.org::::EMD-1928::::</details>
   </map>
</emd>