<emd emdb_id="EMD-6316" 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>2015-04-09</deposition>
            <header_release>2015-05-27</header_release>
            <map_release>2015-07-01</map_release>
            <update>2015-08-19</update>
        </key_dates>
        <title>Activation of GTP Hydrolysis in mRNA-tRNA Translocation by Elongation Factor G</title>
        <authors_list>
            <author>Li W</author>
            <author>Liu Z</author>
            <author>Koripella RK</author>
            <author>Sanyal S</author>
            <author>Frank J</author>
        </authors_list>
        <keywords>70S ribosome, pre-translocation, EF-G, cryo-EM</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Li W</author>
                    <author order="2">Liu Z</author>
                    <author order="3">Koripella RK</author>
                    <author order="4">Langlois R</author>
                    <author order="5">Sanyal S</author>
                    <author order="6">Frank J</author>
                    <title>Activation of GTP hydrolysis in mRNA-tRNA translocation by elongation factor G</title>
                    <journal>SCI ADV</journal>
                    <volume>1</volume>
                    <first_page>e1500169</first_page>
                    <last_page>e1500169</last_page>
                    <year>2015</year>
                    <external_references type="PUBMED">26229983</external_references>
                    <external_references type="DOI">doi:10.1126/sciadv.1500169</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>3ja1</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>pre-translocational 70S ribosome complex</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>pre-translocational 70S ribosome complex</name>
                <number_unique_components>2</number_unique_components>
                <molecular_weight>
                    <experimental units="MDa">2.5</experimental>
                    <theoretical units="MDa">2.5</theoretical>
                </molecular_weight>
            </sample_supramolecule>
            <complex_supramolecule supramolecule_id="1">
                <name>70S ribosome</name>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <natural_source database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <molecular_weight>
                    <experimental units="MDa">2.5</experimental>
                    <theoretical units="MDa">2.5</theoretical>
                </molecular_weight>
                <ribosome-details>ribosome-prokaryote: ALL</ribosome-details>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="EF-G">Elongation factor G</name>
                <natural_source database="NCBI">
                    <organism ncbi="562">Escherichia coli</organism>
                </natural_source>
                <number_of_copies>1</number_of_copies>
                <oligomeric_state>monomer</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <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">40</concentration>
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">93</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_cs units="mm">0.1</nominal_cs>
                    <nominal_defocus_min units="&#181;m">1.5</nominal_defocus_min>
                    <nominal_defocus_max units="&#181;m">5.0</nominal_defocus_max>
                    <nominal_magnification>55000.0</nominal_magnification>
                    <calibrated_magnification>58000.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <date>2013-08-29</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">DIRECT ELECTRON DE-12 (4k x 3k)</film_or_detector_model>
                            <digitization_details>
                                <sampling_interval units="&#181;m">0.1</sampling_interval>
                            </digitization_details>
                            <number_real_images>6747</number_real_images>
                            <bits_per_pixel>8.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <ctf_correction>
                    <details>CTFFIND3 and CTFIT</details>
                </ctf_correction>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">3.6</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>Relion</name>
                        </software>
                    </software_list>
                    <number_images_used>50000</number_images_used>
                </final_reconstruction>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="182251">
        <file>emd_6316.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>360</col>
            <row>360</row>
            <sec>360</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>360</x>
            <y>360</y>
            <z>360</z>
        </spacing>
        <cell>
            <a units="&#8491;">377.99997</a>
            <b units="&#8491;">377.99997</b>
            <c units="&#8491;">377.99997</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>-0.08355985</minimum>
            <maximum>0.20665234</maximum>
            <average>0.00112718</average>
            <std>0.01475346</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">1.05</x>
            <y units="&#8491;">1.05</y>
            <z units="&#8491;">1.05</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.03</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>pre-translocational 70S ribosome complex</annotation_details>
        <details>::::EMDATABANK.org::::EMD-6316::::</details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>3J0U</access_code>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <software_list>
                    <software>
                        <name>MDFF</name>
                    </software>
                </software_list>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>