<?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-23461">
    <admin>
        <current_status>
            <date>2024-03-06</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-02-09</deposition>
            <header_release>2021-03-17</header_release>
            <map_release>2021-03-17</map_release>
            <update>2024-03-06</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>GM105691</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>cryoEM structure DrdV-DNA complex</title>
        <authors_list>
            <author>Shen BW</author>
            <author>Stoddard BL</author>
        </authors_list>
        <keywords>inhibitor, Complex, endonuclease, methyl transferase, TypeIIL RM system, HYDROLASE, HYDROLASE-DNA complex</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Shen BW</author>
                    <author order="2">Quispe JD</author>
                    <author order="3">Luyten Y</author>
                    <author order="4">McGough BE</author>
                    <author order="5">Morgan RD</author>
                    <author order="6">Stoddard BL</author>
                    <title>Coordination of phage genome degradation versus host genome protection by a bifunctional restriction-modification enzyme visualized by CryoEM.</title>
                    <journal_abbreviation>Structure</journal_abbreviation>
                    <country>UK</country>
                    <volume>29</volume>
                    <first_page>521</first_page>
                    <last_page>530.e5</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">33826880</external_references>
                    <external_references type="DOI">doi:10.1016/j.str.2021.03.012</external_references>
                    <external_references type="ISSN">0969-2126</external_references>
                    <external_references type="CSD">2005</external_references>
                    <external_references type="ASTM">STRUE6</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7lo5</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>DrdV-DNA tetramer II</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>DrdV-DNA tetramer II</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_list>
                <details>DrdV-DNA complex after SEC Biorad 650 fractionation</details>
                <natural_source database="NCBI">
                    <organism ncbi="1768108">Deinococcus wulumuqiensis 479</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.45</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Site-specific DNA-methyltransferase (adenine-specific)</name>
                <natural_source database="NCBI">
                    <organism ncbi="980427">Deinococcus wulumuqiensis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.11825685899999999</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSLQLVKKFQKRLEDIVAYGGTRNESSVRAAFQQLLSDWAEGSGLRLITEVTQKAVAGNNVRPDGTLKDSLQQSRGYWES
KDEADTLDDEIQKKLAKGYPRDNIIFEDSRLAVLMQNGEEVQRVDMGDAGALAGLLKLFFEFEPPQVLEFRKAVDHFKDE
MPHLLKILREAADAAEQKADYRGERDHFVEIAKEAINPDFSPRDAREMLIQHILTGDLFTSVFDNAQYHEDNNIAQQLQQ
LAATFYKGPVKRDIAERTKRYYGAIQAAAAQIADHHEKQRFLKALYENFYRAYNPAGAERLGIFYTPGEIVRFMIEATDT
LLEKHFQKELADKGVEILDPATGTGTFITELIDFLPKAKLEQKYREELHCNELALLPYYIANLNIEATYAQKMGRYEEFR
NIVLVDTLDNTGFGVHGQQSGLFGSVTAENLERAKRQNARPVRVIIGNPPYRANQANENDNNKNREYKEIDRRIKATYVA
ASTAQKTKLYDMYSRFLRWATDRLKEDGIVAFVSNSSFIDSRTFDGFRKEVVKDFDHIYILDMKGNANTSGERRKREGGN
VFNDQIKVGVAVYFLVRSAAGKRKSKDTKIWYHAVPDFWRAREKLEWLKTTKFEDIEFDHIRPDAKHNWLGQVDEENDWN
EFLPVADKDTKQAKGLGQERAIFKLYSLGVVTNRDEWVYSRAEDELADKVRYFIGRYNEIIKLPLGDLMSRNWEGDIKMT
RATIADAQSRKSYSLEKNSIVPSLYRPFDVLKMYFSKNLNEMQYQMPSIFPKGVGENVVIALSGSPAAKPFQVLATDILP
SLDLLEKTQCLPFYRYTMNGERLNNITDYALKAFQTHYADTSISREDIFHYVYAVLHHPAYREKYALNLRQEFPRIPFYP
EFGRWAAWGRELMALHIGFESVAPYPLKRTDEPPKNDTPEALALAKKARLKVQRDAAKQPTGAVELDGLTTLAGIPAAAW
AYKLGNRSALEWVLERHKETTPKDATIREKFNTYRFADHKERVIDLLARVTTVSVETVRIVGEMPAETM</string>
                    <external_references type="UNIPROTKB">A0A345IJ72</external_references>
                </sequence>
                <ec_number>2.1.1.72</ec_number>
            </protein_or_peptide>
            <dna macromolecule_id="2">
                <name>DNA (28-MER)</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.008748646</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <sequence>
                    <string>(DC)(DA)(DG)(DC)(DC)(DC)(DA)(DT)(DG)(DG)(DA)(DC)(DC)(DC)(DA)(DG)(DA)(DA)(DC)(DC)
(DA)(DC)(DC)(DC)(DA)(DC)(DC)(DC)(DG)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <dna macromolecule_id="3">
                <name>DNA (27-MER)</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.009085788000000001</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <sequence>
                    <string>(DG)(DG)(DG)(DT)(DG)(DG)(DG)(DT)(DG)(DG)(DT)(DT)(DC)(DT)(DG)(DG)(DG)(DT)(DC)(DC)
(DA)(DT)(DG)(DG)(DG)(DC)(DT)(DG)(DC)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <ligand macromolecule_id="4">
                <name>S-ADENOSYLMETHIONINE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000398437</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <formula>SAM</formula>
            </ligand>
            <ligand macromolecule_id="5">
                <name>CALCIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">4.0078e-05</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <formula>CA</formula>
            </ligand>
        </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">0.4</concentration>
                    <buffer>
                        <ph>8.0</ph>
                        <details>20 mM TrismaHCl ph 8.0/150 NaCl/2CaCl2</details>
                    </buffer>
                    <grid>
                        <model>Quantifoil</model>
                        <material>COPPER</material>
                        <mesh>200</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">15</time>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">95</chamber_humidity>
                        <chamber_temperature units="K">298</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 KRIOS</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>
                    <c2_aperture_diameter units="µm">100.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">1.2</nominal_defocus_min>
                    <calibrated_defocus_min units="µm">0.8</calibrated_defocus_min>
                    <nominal_defocus_max units="µm">2.5</nominal_defocus_max>
                    <calibrated_defocus_max units="µm">0.5</calibrated_defocus_max>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_min units="K">70.0</temperature_min>
                        <temperature_max units="K">70.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <specialist_optics>
                        <sph_aberration_corrector>Cs corrector with two hexapod elements</sph_aberration_corrector>
                        <chr_aberration_corrector>CEOS manufactured Cc corrector</chr_aberration_corrector>
                        <energy_filter>
                            <name>GIF Quantum LS</name>
                            <slit_width units="eV">20</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>4300</number_real_images>
                            <average_exposure_time units="s">2.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">30.0</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>
                    <number_classes_used>4</number_classes_used>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <algorithm>FOURIER SPACE</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">2.86</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>V3.1.0</version>
                        </software>
                    </software_list>
                    <number_images_used>94920</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>RANDOM ASSIGNMENT</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>V3.1.0</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>RANDOM ASSIGNMENT</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>v3.1.0</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>100</number_classes>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>v3.1.0</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="536871">
        <file>emd_23461.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>512</col>
            <row>512</row>
            <sec>512</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>512</x>
            <y>512</y>
            <z>512</z>
        </spacing>
        <cell>
            <a units="Å">526.08</a>
            <b units="Å">526.08</b>
            <c units="Å">526.08</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>-0.38112658</minimum>
            <maximum>1.0199002</maximum>
            <average>0.00020250402</average>
            <std>0.022025628</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.0275</x>
            <y units="Å">1.0275</y>
            <z units="Å">1.0275</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.18</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-23461::::</label>
        <annotation_details>Tetramer II of DrdV-DNA complex</annotation_details>
    </map>
</emd>
