<?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_9_2/emdb.xsd" version="3.0.9.2" emdb_id="EMD-9654">
    <admin>
        <current_status>
            <date>2024-03-27</date>
            <code>REL</code>
            <processing_site>PDBj</processing_site>
        </current_status>
        <sites>
            <deposition>PDBj</deposition>
            <last_processing>PDBj</last_processing>
        </sites>
        <key_dates>
            <deposition>2018-09-20</deposition>
            <header_release>2018-10-24</header_release>
            <map_release>2018-12-12</map_release>
            <update>2024-03-27</update>
        </key_dates>
        <title>Cryo-EM structure of type III-A Csm-NTR complex</title>
        <authors_list>
            <author>You L</author>
            <author>Ma J</author>
        </authors_list>
        <keywords>Csm complex, Type III-A, CRISPR-Cas system, RNA BINDING PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">You L</author>
                    <author order="2">Ma J</author>
                    <author order="3">Wang J</author>
                    <author order="4">Artamonova D</author>
                    <author order="5">Wang M</author>
                    <author order="6">Liu L</author>
                    <author order="7">Xiang H</author>
                    <author order="8">Severinov K</author>
                    <author order="9">Zhang X</author>
                    <author order="10">Wang Y</author>
                    <title>Structure Studies of the CRISPR-Csm Complex Reveal Mechanism of Co-transcriptional Interference</title>
                    <journal_abbreviation>Cell</journal_abbreviation>
                    <volume>176</volume>
                    <first_page>239</first_page>
                    <last_page>253.e16</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">30503210</external_references>
                    <external_references type="DOI">doi:10.1016/j.cell.2018.10.052</external_references>
                    <external_references type="ISSN">1097-4172</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6ifl</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Csm-CTR1 complex, AMPPNP bound</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Csm-CTR1 complex, AMPPNP bound</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_list>
                <details>type III-A CRISPR-Cas interference complex</details>
                <natural_source database="NCBI">
                    <organism ncbi="767463">Streptococcus thermophilus ND03</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.087</theoretical>
                </molecular_weight>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="2">
                <name>Csm1</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>type III-A CRISPR-Cas interference complex subunit Csm1</details>
                <natural_source database="NCBI">
                    <organism ncbi="767463">Streptococcus thermophilus ND03</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Type III-A CRISPR-associated protein Csm1</name>
                <natural_source database="NCBI">
                    <organism ncbi="767463">Streptococcus thermophilus ND03</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.08697673399999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKKEKIDLFYGALLHNIGKVIQRATGERKKHALVGADWFDEIADNQVISDQIRYHMANYQSDKLGNDHLAYITYIADNIA
SGVDRRQSNEESDEDTSAKIWDTYTNQADIFNVFGAQTDKRYFKPTVLNLKSKPNFASATYEPFSKGDYAAIATRIKNEL
AEFEFNQVQIDSLLNLFEATLSFVPSSTNTKEIADISLADHSRLTAAFALAIYDYLEDKGRHNYKEDLFTKVSAFYEEEA
FLLASFDLSGIQDFIYNINIATNGAAKQLKARSLYLDFMSEYIADSLLDKLGLNRANMLYVGGGHAYFVLANTEKTVETL
VQFEKDFNQFLLANFQTRLYVAFGWGSFAAKDIMSELNSPESYRQVYQKASRMISKKKISRYDYQTLMLLNRGGKSSERE
CEICHSVENLVSYHDQKVCDICRGLYQFSKEIAHDHFIITENEGLPIGPNACLKGVAFEKLSQEAFSRVYVKNDYKAGTV
KATHVFVGDYQCDEIYNYAALSKNENGLGIKRLAVVRLDVDDLGAAFMAGFSQQGNGQYSTLSRSATFSRSMSLFFKVYI
NQFASDKKLSIIYAGGDDVFAIGSWQDIIAFTVELRENFIKWTNGKLTLSAGIGLFADKTPISLMAHQTGELEEAAKGNE
KDSISLFSSDYTFKFDRFITNVYDDKLEQIRYFFNHQDERGKNFIYKLIELLRNHDRMNMARLAYYLTRLEELTRETDRD
KFKTFKNLFYSWYTNKNDKDRKEAELALLLYIYEIRKD</string>
                    <external_references type="UNIPROTKB">A0A2U2M0F3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Type III-A CRISPR-associated protein Csm2</name>
                <natural_source database="NCBI">
                    <organism ncbi="767463">Streptococcus thermophilus ND03</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014848145</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTILTDENYVDIAEKAILKLERNTRNRKNPDAFFLTTSKLRNLLSLTSTLFDESKVKEYDALLDRIAYLRVQFVYQAGRE
IAVKDLIEKAQILEALKEIKDRETLQRFCRYMEALVAYFKFYGGKD</string>
                    <external_references type="UNIPROTKB">A0A2U2M049</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Type III-A CRISPR-associated RAMP protein Csm3</name>
                <natural_source database="NCBI">
                    <organism ncbi="767463">Streptococcus thermophilus ND03</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.024584855</theoretical>
                </molecular_weight>
                <number_of_copies>3</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTFAKIKFSAQIRLETGLHIGGSDAFAAIGAINSPVIKDPITNLPIIPGSSLKGKMRTLLAKVYNEKVAEKPSDDSDILS
RLFGNSKDKRFKMGRLIFRDAFLSNADELDSLGVRSYTEVKFENTIDRITAEANPRQIERAIRNSTFDFELIYEITDENE
NQVEEDFKVIRDGLKLLELDYLGGSGSRGYGKVAFENLKATTVFGNYDVKTLNELLTAEV</string>
                    <external_references type="UNIPROTKB">A0A2U2M035</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Type III-A CRISPR-associated RAMP protein Csm4</name>
                <natural_source database="NCBI">
                    <organism ncbi="767463">Streptococcus thermophilus ND03</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.03382898399999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTYKLYIMTFQNAHFGSGTLDSSKLTFSADRIFSALVLEALKMGKLDAFLAEANQDKFTLTDAFPFQFGPFLPKPIGYPK
HDQIDQSVDVKEVRRQAKLSKKLQFLALENVDDYLNGELFENEEHAVIDTVTKNQPHKDDNLYQVATTRFSNDTSLYVIA
NESDLLNELMSSLQYSGLGGKRSSGFGRFELDIQNIPLELSDRLTKNHSDKVMSLTTALPVDADLEEAMEDGHYLLTKSS
GFAFSHATNENYRKQDLYKFASGSTFSKTFEGQIVDVRPLDFPHAVLNYAKPLFFKLEV</string>
                    <external_references type="UNIPROTKB">A0A2U2M037</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Type III-A CRISPR-associated RAMP protein Csm5</name>
                <natural_source database="NCBI">
                    <organism ncbi="1308">Streptococcus thermophilus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.041102112999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKNDYRTFKLSLLTLAPIHIGNGEKYTSREFIYENKKFYFPDMGKFYNKMVEKRLAEKFEAFLIQTRPNARNNRLISFLN
DNRIAERSFGGYSISETGLESDKNPNSAGAINEVNKFIRDAFGNPYIPGSSLKGAIRTILMNTTPKWNNENAVNDFGRFP
KENKNLIPWGPKKGKEYDDLFNAIRVSDSKPFDNKSLILVQKWDYSAKTNKAKPLPLYRESISPLTKIEFEITTTTDEAG
RLIEELGKRAQAFYKDYKAFFLSEFPDDKIQANLQYPIYLGAGSGAWTKTLFKQADGILQRRYSRMKTKMVKKGVLKLTK
APLKTVKIPSGNHSLVKNHESFYEMGKANFMIKEIDK</string>
                    <external_references type="UNIPROTKB">A0A2U2M038</external_references>
                </sequence>
            </protein_or_peptide>
            <rna macromolecule_id="6">
                <name>crRNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="767463">Streptococcus thermophilus ND03</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.01139277</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>ACGGAAACGCUUUCUAGCUCGCUAUAAUUACCCAUU</string>
                </sequence>
            </rna>
            <rna macromolecule_id="7">
                <name>NTR</name>
                <natural_source database="NCBI">
                    <organism ncbi="767463">Streptococcus thermophilus ND03</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013937306</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>GGUAGGAAUGGGUAAUUAUAGCGAGCUAGAAAGCGUUUCCGUC</string>
                </sequence>
            </rna>
        </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">0.5</concentration>
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">60</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>LEICA EM GP</instrument>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN 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>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <detector_mode>SUPER-RESOLUTION</detector_mode>
                            <average_electron_dose_per_image units="e/Å^2">60.0</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">3.16</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <number_images_used>133127</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>ANGULAR RECONSTITUTION</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="32001">
        <file>emd_9654.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>200</col>
            <row>200</row>
            <sec>200</sec>
        </dimensions>
        <origin>
            <col>-100</col>
            <row>-100</row>
            <sec>-100</sec>
        </origin>
        <spacing>
            <x>200</x>
            <y>200</y>
            <z>200</z>
        </spacing>
        <cell>
            <a units="Å">208.0</a>
            <b units="Å">208.0</b>
            <c units="Å">208.0</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>-0.25449243</minimum>
            <maximum>0.49833804</maximum>
            <average>0.00023359024</average>
            <std>0.020622853</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.04</x>
            <y units="Å">1.04</y>
            <z units="Å">1.04</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.07</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-9654::::</label>
        <annotation_details>Cryo-EM structure of type III-A Csm-NTR complex</annotation_details>
    </map>
    <interpretation>
        <additional_map_list>
            <additional_map format="CCP4" size_kbytes="32001">
                <file>emd_9654_additional_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>200</col>
                    <row>200</row>
                    <sec>200</sec>
                </dimensions>
                <origin>
                    <col>-100</col>
                    <row>-100</row>
                    <sec>-100</sec>
                </origin>
                <spacing>
                    <x>200</x>
                    <y>200</y>
                    <z>200</z>
                </spacing>
                <cell>
                    <a units="Å">208.0</a>
                    <b units="Å">208.0</b>
                    <c units="Å">208.0</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>-0.29810962</minimum>
                    <maximum>0.52577394</maximum>
                    <average>0.00024962742</average>
                    <std>0.012699858</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.04</x>
                    <y units="Å">1.04</y>
                    <z units="Å">1.04</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-9654::::</label>
                <annotation_details>Cryo-EM structure of type III-A Csm-NTR complex,subunit Csm1</annotation_details>
            </additional_map>
        </additional_map_list>
    </interpretation>
</emd>
