<emd emdb_id="EMD-5188" version="3.0.1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2010-04-16</deposition>
            <header_release>2010-08-23</header_release>
            <map_release>2010-10-13</map_release>
            <update>2013-03-06</update>
        </key_dates>
        <title>tmRNA-SmpB: a journey to the center of the bacterial ribosome</title>
        <authors_list>
            <author>Weis F</author>
            <author>Bron P</author>
            <author>Giudice E</author>
            <author>Rolland JP</author>
            <author>Thomas D</author>
            <author>Felden B</author>
            <author>Gillet R</author>
        </authors_list>
        <keywords>TMRNA, SMPB, RIBOSOME, TRANS-TRANSLATION</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Weis F</author>
                    <author order="2">Bron P</author>
                    <author order="3">Giudice E</author>
                    <author order="4">Rolland JP</author>
                    <author order="5">Thomas D</author>
                    <author order="6">Felden B</author>
                    <author order="7">Gillet R</author>
                    <title>tmRNA-SmpB: a journey to the centre of the bacterial ribosome.</title>
                    <journal>EMBO J.</journal>
                    <volume>29</volume>
                    <first_page>3810</first_page>
                    <last_page>3818</last_page>
                    <year>2010</year>
                    <external_references type="PUBMED">20953161</external_references>
                    <external_references type="DOI">doi:10.1038/emboj.2010.252</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>3iyq</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Thermus thermophilus 70S ribosome</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Thermus thermophilus 70S ribosome</name>
                <number_unique_components>5</number_unique_components>
                <molecular_weight>
                    <theoretical units="MDa">2.3</theoretical>
                </molecular_weight>
            </sample_supramolecule>
            <complex_supramolecule supramolecule_id="1">
                <name>70S ribosome</name>
                <recombinant_exp_flag>false</recombinant_exp_flag>
                <natural_source database="NCBI">
                    <organism ncbi="274">Thermus thermophilus</organism>
                </natural_source>
                <recombinant_expression database="NCBI" />
                <molecular_weight>
                    <theoretical units="MDa">2.3</theoretical>
                </molecular_weight>
                <ribosome-details>ribosome-prokaryote: ALL</ribosome-details>
            </complex_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">
                    <buffer>
                        <ph>7.5</ph>
                        <details>5mM Hepes-KOH (pH 7.5), 10mM NH4Cl, 10mM MgOAc, 50mM KCl, 0.1mM EDTA and 6mM BetaME</details>
                    </buffer>
                    <grid>
                        <details>Quantifoil holey-carbon grids previously glow-discharged</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">100</chamber_temperature>
                        <instrument>OTHER</instrument>
                        <details>Vitrification instrument: vitrobot</details>
                        <method>Blot for 5 seconds before plunging</method>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>JEOL 2200FS</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">0.9</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">2.2</nominal_defocus_max>
                    <nominal_magnification>50000.0</nominal_magnification>
                    <calibrated_magnification>45700.0</calibrated_magnification>
                    <specimen_holder_model>GATAN LIQUID NITROGEN</specimen_holder_model>
                    <temperature>
                        <temperature_average units="K">95</temperature_average>
                    </temperature>
                    <specialist_optics>
                        <energy_filter>
                            <name>JEOL</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>
                    <date>2009-07-01</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="FILM">KODAK SO-163 FILM</film_or_detector_model>
                            <digitization_details>
                                <scanner>NIKON SUPER COOLSCAN 9000</scanner>
                                <sampling_interval units="&#181;m">7.5</sampling_interval>
                            </digitization_details>
                            <number_real_images>70</number_real_images>
                            <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>Each particle</details>
                </ctf_correction>
                <final_reconstruction>
                    <resolution res_type="BY AUTHOR" units="&#8491;">13.0</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>IMAGIC-V</name>
                        </software>
                    </software_list>
                    <number_images_used>49061</number_images_used>
                </final_reconstruction>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="8193">
        <file>emd_5188.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>-64</col>
            <row>-64</row>
            <sec>-64</sec>
        </origin>
        <spacing>
            <x>128</x>
            <y>128</y>
            <z>128</z>
        </spacing>
        <cell>
            <a units="&#8491;">419.84</a>
            <b units="&#8491;">419.84</b>
            <c units="&#8491;">419.84</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>-0.05623283</minimum>
            <maximum>0.12125266</maximum>
            <average>0.00177611</average>
            <std>0.01004907</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">3.28</x>
            <y units="&#8491;">3.28</y>
            <z units="&#8491;">3.28</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.01</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>Structure of tmRNA-SMPB complex accomodated into a stalled bacterial ribosome</annotation_details>
        <details>::::EMDATABANK.org::::EMD-5188::::</details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>2CZJ</access_code>
                    <chain>
                        <chain_id>A</chain_id>
                    </chain>
                    <chain>
                        <chain_id>B</chain_id>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>UCSF-Chimera, mdff</name>
                    </software>
                </software_list>
                <details>Protocol: Rigid Body and flexible fitting. The domains were initially separately fitted by manual docking and then further optimized using mdff.</details>
                <target_criteria>Cross-Correlation</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
            <modelling>
                <initial_model>
                    <access_code>2OB7</access_code>
                    <chain>
                        <chain_id>A</chain_id>
                    </chain>
                    <chain>
                        <chain_id>B</chain_id>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>UCSF-Chimera, mdff</name>
                    </software>
                </software_list>
                <details>Protocol: Rigid Body and flexible fitting. each subdomain (H2b-c, H5, pk1, pk2, pk3, pk4) were initially separately fitted by manual docking and then further optimized using mdff.</details>
                <target_criteria>Cross-Correlation</target_criteria>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>