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    <admin>
        <current_status>
            <date>2026-09-02</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <revision_history>
            <revision version="1.0" date="2026-09-02">
                <change_list>
                    <metadata>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </metadata>
                </change_list>
            </revision>
        </revision_history>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2026-01-30</deposition>
            <header_release>2026-09-02</header_release>
            <map_release>2026-09-02</map_release>
            <update>2026-09-02</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Cancer Institute (NIH/NCI)</funding_body>
                <code>R35 GM127134</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Cancer Institute (NIH/NCI)</funding_body>
                <code>NIH R01 AI162961</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Canadian Institutes of Health Research (CIHR)</funding_body>
                <code>FDN148463</code>
                <country>Canada</country>
            </grant_reference>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>WI3285/12-1</code>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM map of SKM-70S complex State 4 (Accommodated A-tRNA)</title>
        <authors_list>
            <author>Morici M</author>
            <author>Corazza M</author>
            <author>Safdari HA</author>
            <author>Wilson DN</author>
        </authors_list>
        <keywords>Antibiotics, 70S complex, Body closure, Accomodation, RIBOSOME</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author ORCID="0000-0001-7230-8678" order="1">Cook MA</author>
                    <author order="2">Xu M</author>
                    <author order="3">Wang W</author>
                    <author order="4">Rao VN</author>
                    <author order="5">Schaenzer AJ</author>
                    <author order="6">Wang L</author>
                    <author order="7">Yarlagadda V</author>
                    <author order="8">Guitor AK</author>
                    <author order="9">Ejim L</author>
                    <author order="10">Wright G</author>
                    <author order="11">Golas AJ</author>
                    <author order="12">Nietupski RM</author>
                    <author order="13">Fitzgerald M</author>
                    <author order="14">Hung DT</author>
                    <author order="15">Sahile H</author>
                    <author order="16">Av-Gay Y</author>
                    <author order="17">Lin S</author>
                    <author order="18">Dhar N</author>
                    <author order="19">Travin D</author>
                    <author order="20">Klepacki D</author>
                    <author order="21">Vazquez-Laslop N</author>
                    <author order="22">Mankin A</author>
                    <author ORCID="0000-0002-7304-5264" order="23">Morici M</author>
                    <author ORCID="0009-0002-3340-0070" order="24">Corazza M</author>
                    <author ORCID="0000-0003-3533-090X" order="25">Safdari HA</author>
                    <author ORCID="0009-0001-7093-9086" order="26">Berger M</author>
                    <author ORCID="0000-0003-3816-3828" order="27">Wilson DN</author>
                    <title>Saskemycin, a potent antimycobacterial agent targeting a unique site in the ribosome</title>
                    <journal_abbreviation>To Be Published</journal_abbreviation>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-56520</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Entry for State II map</details>
            </emdb_reference>
        </emdb_list>
        <other_db_list>
            <db_reference>
                <db_name>PDB</db_name>
                <accession_id>9QQQ</accession_id>
                <content_type>unspecified</content_type>
                <details>Entry of State I (Main)</details>
            </db_reference>
            <db_reference>
                <db_name>PDB</db_name>
                <accession_id>9QSJ</accession_id>
                <content_type>unspecified</content_type>
                <details>Entry of State III</details>
            </db_reference>
            <db_reference>
                <db_name>PDB</db_name>
                <accession_id>9SRO</accession_id>
                <content_type>unspecified</content_type>
                <details>Entry of State V</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-56520</accession_id>
                <content_type>other EM volume</content_type>
                <details>Entry for State II map</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-56525</accession_id>
                <content_type>associated EM volume</content_type>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>Cryo-EM structure of SKM-70S ribosomal stalled complex in the major state (vacant A-site, canon)</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Cryo-EM structure of SKM-70S ribosomal stalled complex in the major state (vacant A-site, canon)</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>8</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>9</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>10</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>11</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>12</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>13</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>14</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>15</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>16</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>17</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>18</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>19</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>20</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>21</macromolecule_id>
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                    <macromolecule>
                        <macromolecule_id>22</macromolecule_id>
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                    <macromolecule>
                        <macromolecule_id>23</macromolecule_id>
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                    <macromolecule>
                        <macromolecule_id>24</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>25</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>26</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>27</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>28</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>29</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>30</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>31</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>32</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>33</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>34</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>35</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>36</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>37</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>38</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>39</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>40</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>41</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>42</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>43</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>44</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>45</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>46</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>47</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>48</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>49</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>50</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>51</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>52</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>53</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>54</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>55</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="37762">Escherichia coli B</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">2.5</theoretical>
                </molecular_weight>
            </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>7.4</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE-PROPANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>TFS KRIOS</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_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">5.0</nominal_defocus_max>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">1.14</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <ctf_correction>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <startup_model type_of_model="INSILICO MODEL">
                    <insilico_model>Molmap generated by a modified version of the pdb 7K00, containing no sample-specific component (deleted drugs, no tRNAs, no mRNA).</insilico_model>
                </startup_model>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">2.3</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>5</version>
                        </software>
                    </software_list>
                    <number_images_used>62667</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="322487">
        <file>emd_56525.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>432</col>
            <row>432</row>
            <sec>432</sec>
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        <spacing>
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            <y>432</y>
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            <a units="Å">359.424</a>
            <b units="Å">359.424</b>
            <c units="Å">359.424</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>-0.08423672</minimum>
            <maximum>0.17719163</maximum>
            <average>0.0009013754</average>
            <std>0.0063138967</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.832</x>
            <y units="Å">0.832</y>
            <z units="Å">0.832</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.03</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-56525::::</label>
        <annotation_details>Main map, postprocessed, of SKM-bound complex State IV</annotation_details>
    </map>
    <interpretation>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="322487">
                <file>emd_56525_half_map_1.map.gz</file>
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                    <space_group>1</space_group>
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                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>432</col>
                    <row>432</row>
                    <sec>432</sec>
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                    <a units="Å">359.424</a>
                    <b units="Å">359.424</b>
                    <c units="Å">359.424</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>-0.022343919</minimum>
                    <maximum>0.070251614</maximum>
                    <average>0.0005507871</average>
                    <std>0.0044400245</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">0.832</x>
                    <y units="Å">0.832</y>
                    <z units="Å">0.832</z>
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                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-56525::::</label>
                <annotation_details>Half map 2 used to generate the main posptocessed map</annotation_details>
            </half_map>
            <half_map format="CCP4" size_kbytes="322487">
                <file>emd_56525_half_map_2.map.gz</file>
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                    <space_group>1</space_group>
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                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
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                    <medium>Y</medium>
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                <statistics>
                    <minimum>-0.020623194</minimum>
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                    <average>0.0005438589</average>
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                <pixel_spacing>
                    <x units="Å">0.832</x>
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                    <z units="Å">0.832</z>
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                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-56525::::</label>
                <annotation_details>Half map 1 used to generate the main posptocessed map</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
