<emd emdb_id="EMD-5030" 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>2008-10-30</deposition>
            <header_release>2008-12-09</header_release>
            <map_release>2009-05-05</map_release>
            <update>2014-07-23</update>
        </key_dates>
        <title>GTPase activation of elongation factor EF-Tu by the ribosome during decoding: a cryo-EM structure of the  Thermus thermophilus ribosome in which the ternary complex of EF-Tu, tRNA and guanine nucleotide has been trapped on the ribosome with the antibiotic kirromycin.</title>
        <authors_list>
            <author>Schuette J-C</author>
            <author>Murphy F</author>
            <author>Kelley AC</author>
            <author>Weir J</author>
            <author>Giesebrecht J</author>
            <author>Connelll SR</author>
            <author>Loerke J</author>
            <author>Mielke T</author>
            <author>Zhang W</author>
            <author>Penczek PA</author>
            <author>Ramakrishnan V</author>
            <author>Spahn CMT</author>
        </authors_list>
        <keywords>Thermus thermophilus, 70S, ribosome, EF-Tu, kirromycin, elongation factor, mRNA, Cryo, EM, GTPase, decoding</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Schuette JC</author>
                    <author order="2">Murphy FV</author>
                    <author order="3">Kelley AC</author>
                    <author order="4">Weir JR</author>
                    <author order="5">Giesebrecht J</author>
                    <author order="6">Connell SR</author>
                    <author order="7">Loerke J</author>
                    <author order="8">Mielke T</author>
                    <author order="9">Zhang W</author>
                    <author order="10">Penczek PA</author>
                    <author order="11">Ramakrishnan V</author>
                    <author order="12">Spahn CM</author>
                    <title>GTPase activation of elongation factor EF-Tu by the ribosome during decoding.</title>
                    <journal>EMBO J.</journal>
                    <volume>28</volume>
                    <first_page>755</first_page>
                    <last_page>765</last_page>
                    <year>2009</year>
                    <external_references type="PUBMED">19229291</external_references>
                    <external_references type="DOI">doi:10.1038/emboj.2009.26</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>4v68</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Thermus thermophilus ribosome in which the ternary complex of elongation factor Tu (EF-Tu), tRNA and guanine nucleotide has been trapped on the ribosome using the antibiotic kirromycin.</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>Thermus thermophilus ribosome in which the ternary complex of elongation factor Tu (EF-Tu), tRNA and guanine nucleotide has been trapped on the ribosome using the antibiotic kirromycin.</name>
                <details>The sample was purified using a His-Tag on the ternary complex, which resulted in high occupancy of the ribosome with EF-Tu ternary complex.</details>
                <oligomeric_state>70S ribosome with EF-Tu ternary complex, tRNAs and mRNA</oligomeric_state>
                <number_unique_components>7</number_unique_components>
            </sample_supramolecule>
            <complex_supramolecule supramolecule_id="1">
                <name>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" />
                <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">
                    <staining>
                        <type>NEGATIVE</type>
                        <details>Cryo-EM in vitreous ice. A VITROBOT cryo-plunger was used to prepare grids.</details>
                    </staining>
                    <grid>
                        <details>Quantifoil grids.</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>METHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <instrument>OTHER</instrument>
                        <details>Vitrification instrument: VITROBOT</details>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI F30</microscope>
                    <illumination_mode>SPOT SCAN</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_magnification>39000.0</nominal_magnification>
                    <specimen_holder_model>GATAN HELIUM</specimen_holder_model>
                    <details>low-dose conditions</details>
                    <image_recording_list>
                        <image_recording>
                            <digitization_details>
                                <scanner>PRIMESCAN</scanner>
                            </digitization_details>
                            <number_real_images>452</number_real_images>
                            <bits_per_pixel>16.</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                    <specimen_holder>Eucentric</specimen_holder>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>586688 individual particle images were obtained from 452 micrographs. Multi-particle refinement resulted in maps with different subconformations. The deposited map represents the most prevalent conformation, based on 323688 particle images.</details>
                <final_reconstruction>
                    <resolution res_type="BY AUTHOR" units="&#8491;">6.4</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>SPIDER</name>
                        </software>
                    </software_list>
                    <number_images_used>323688</number_images_used>
                </final_reconstruction>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="105470">
        <file>emd_5030.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>300</col>
            <row>300</row>
            <sec>300</sec>
        </dimensions>
        <origin>
            <col>-150</col>
            <row>-150</row>
            <sec>-150</sec>
        </origin>
        <spacing>
            <x>300</x>
            <y>300</y>
            <z>300</z>
        </spacing>
        <cell>
            <a units="&#8491;">378.0</a>
            <b units="&#8491;">378.0</b>
            <c units="&#8491;">378.0</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>-4.41906786</minimum>
            <maximum>17.496101379999999</maximum>
            <average>-0.00041693</average>
            <std>0.95849848</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">1.26</x>
            <y units="&#8491;">1.26</y>
            <z units="&#8491;">1.26</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>3.5</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>This is an electron density map of a Thermus thermophilus ribosome complexed with mRNA, P- and E-site tRNA as well as EF-Tu.aatRNA.GDP ternary complex.</annotation_details>
        <details>::::EMDATABANK.org::::EMD-5030::::</details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>1VSA</access_code>
                </initial_model>
                <details>fitting of molecular models was performed using SITUS and SPIDER.</details>
                <refinement_space>REAL</refinement_space>
            </modelling>
            <modelling>
                <initial_model>
                    <access_code>2HGU</access_code>
                </initial_model>
                <details>Protein L11.</details>
                <refinement_space>REAL</refinement_space>
            </modelling>
            <modelling>
                <initial_model>
                    <access_code>2J00</access_code>
                </initial_model>
                <refinement_space>REAL</refinement_space>
            </modelling>
            <modelling>
                <initial_model>
                    <access_code>2J01</access_code>
                </initial_model>
                <refinement_space>REAL</refinement_space>
            </modelling>
            <modelling>
                <initial_model>
                    <access_code>1HA3</access_code>
                </initial_model>
                <details>We used the coordinates of the EF-Tu.aatRNA.GDP ternary complex stalled with aurodox.</details>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>