<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_8_0/emdb.xsd" version="3.0.8.0" emdb_id="EMD-0455">
    <admin>
        <current_status>
            <date>2023-09-06</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-01-12</deposition>
            <header_release>2019-02-20</header_release>
            <map_release>2019-07-10</map_release>
            <update>2023-09-06</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Howard Hughes Medical Institute (HHMI)</funding_body>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>P01GM051487</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>F32GM122334</code>
                <country>United States</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Life Sciences Research Foundation</funding_body>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Negative stain EM structure of T. thermophilus Csm with a transcription elongation complex</title>
        <authors_list>
            <author>Liu J-J</author>
            <author>Liu TY</author>
        </authors_list>
        <keywords>Csm, RNA substrate, DNA, RNA BINDING PROTEIN, RNA polymerase</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Liu TY</author>
                    <author order="2">Liu J-J</author>
                    <author order="3">Aditham AJ</author>
                    <author order="4">Nogales E</author>
                    <author order="5">Doudna JA</author>
                    <title>Target preference of Type III-A CRISPR-Cas complexes at the transcription bubble</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <year>2019</year>
                    <external_references type="DOI">doi:10.1038/s41467-019-10780-2</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>Complex of Thermus thermophilus Csm with the Thermus thermophilus transcription elongation complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Complex of Thermus thermophilus Csm with the Thermus thermophilus transcription elongation complex</name>
                <parent>0</parent>
                <details>T. thermophilus Csm was recombinantly expressed in E. coli, and T. thermophilus RNA polymerase was isolated from the natural source.</details>
                <natural_source database="NCBI">
                    <organism ncbi="274">Thermus thermophilus</organism>
                </natural_source>
            </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>7.9</ph>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <material>UA</material>
                    </staining>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TECNAI 12</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>LAB6</electron_source>
                    <acceleration_voltage units="kV">120</acceleration_voltage>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>FEI CETA (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">58.0</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>
                <startup_model type_of_model="NONE"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">17.0</resolution>
                    <resolution_method>FSC 0.5 CUT-OFF</resolution_method>
                    <number_images_used>8351</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</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="8389">
        <file>emd_0455.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="Å">558.08</a>
            <b units="Å">558.08</b>
            <c units="Å">558.08</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>-0.03912864</minimum>
            <maximum>0.112419434</maximum>
            <average>0.0001628129</average>
            <std>0.006225997</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">4.36</x>
            <y units="Å">4.36</y>
            <z units="Å">4.36</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.03</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::D_1000239016::::</label>
        <annotation_details>Csm-RNAP</annotation_details>
    </map>
</emd>
