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            <header_release>2019-07-24</header_release>
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            <update>2026-08-12</update>
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        <title>Cryo-EM structure of  AdnAB-AMPPNP-DNA complex</title>
        <authors_list>
            <author>Jia N</author>
            <author>Unciuleac M</author>
            <author>Shuman S</author>
            <author>Patel DJ</author>
        </authors_list>
        <keywords>DNA, DNA BINDING PROTEIN, DNA BINDING PROTEIN-DNA complex</keywords>
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        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Jia N</author>
                    <author order="2">Unciuleac MC</author>
                    <author order="3">Xue C</author>
                    <author order="4">Greene EC</author>
                    <author order="5">Patel DJ</author>
                    <author order="6">Shuman S</author>
                    <title>Structures and single-molecule analysis of bacterial motor nuclease AdnAB illuminate the mechanism of DNA double-strand break resection.</title>
                    <journal_abbreviation>Proc.Natl.Acad.Sci.USA</journal_abbreviation>
                    <country>US</country>
                    <volume>116</volume>
                    <first_page>24507</first_page>
                    <last_page>24516</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">31740608</external_references>
                    <external_references type="DOI">doi:10.1073/pnas.1913546116</external_references>
                    <external_references type="ISSN">1091-6490</external_references>
                    <external_references type="CSD">0040</external_references>
                    <external_references type="ASTM">PNASA6</external_references>
                </journal_citation>
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                <details>Cryo-EM structure of  AdnAB-AMPPNP-DNA complex</details>
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    <sample>
        <name>AdnAB-AMPPNP-DNA complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>AdnAB-AMPPNP-DNA complex</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>
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                    <theoretical units="MDa">0.2</theoretical>
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                <name>UvrD/REP helicase</name>
                <parent>1</parent>
                <natural_source database="NCBI">
                    <organism ncbi="246196">Mycolicibacterium smegmatis</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="3">
                <name>ATP-dependent DNA helicase (UvrD/REP)</name>
                <parent>1</parent>
                <natural_source database="NCBI">
                    <organism ncbi="1772">Mycolicibacterium smegmatis</organism>
                </natural_source>
            </complex_supramolecule>
            <complex_supramolecule supramolecule_id="4">
                <name>DNA</name>
                <parent>1</parent>
                <natural_source database="NCBI">
                    <organism ncbi="224308">Bacillus subtilis subsp. subtilis str. 168</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>UvrD/REP helicase</name>
                <natural_source database="NCBI">
                    <organism ncbi="246196">Mycobacterium smegmatis (strain ATCC 700084 / mc(2)155)</organism>
                    <strain>ATCC 700084 / mc(2)155</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.118128547</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTQVASPVVQARYSPVELSAALGLFPPTDEQAAVIAAPPGPLVVIAGAGAGKTETMAARVVWLVANGFATPSQVLGLTFT
RKAAGQLLRRVRTRLARLAGAGLAPGSGASDESATVSTYHAFAGTLLREHGLLLPVEPDTRLLSETELWQLAYDVVCAHP
GHLDTEKTPAAVTAMVLRLSGALAEHLVDTDQLRDTHVELERLVHTLPAGPYQRDRGPSQWLLRMLATQTERTELVPLID
ALHQRMRAEKVMDFGMQMAAAARLAARFPQVGEQLRQRFRVVLLDEYQDTGHAQRIALSSLFGGGADDGLALTAVGDPIQ
SIYGWRGASATNLPRFTTDFPYSDGTPAPTLELRTSWRNPPSTLHVANAVSEEARRRSVAVRALRPRPDAEPGTIRCALL
NNVAAERDWVADHLARAYHGAIGRGEAAPTAAVLVRRNADAAPMAEALTARGVPVEVVGVAGLLAVPEVADLVAMLRLIA
DPTAGSAVMRILTGPRWRFGARDIAALWRRAVELDDRPKGELGTADIVAQAAPDADTACVADAICDPGDAERYSPAGYER
IVALGRELTMLRAHLGHPLPELVAEVRRVLGLDAEARAARPVAAGWAGTENLDRFSDLVSDFAGHAGASVSALLAYLDAA
VEVENGLAPAELTVSHDRVQILTVHAAKGLEWQVVAVPHLSARVFPSTTQARTWLTDASDLPPLLRGDRATESEIGVPVL
DTSDIYDRKILSDKISDHKKSLDQRRVDEERRLLYVAITRAEDTLLLSGHHWGATESKPRGPSEFLCELKTILEEATAAG
TPCGEIEHWAPDPAPGETNPLRDQVVEALWPPVASADDHVHRGAQLVAAAMAGEVSAEADQEGWAADVDALLAERERPPQ
QEDTELPGQLSVSTLVELSRDPKAALTRLRRRLPQRPDPHALLGTTFHEWVQRYFHAERLFDLDDLPGAVDSDSGRAVEE
SLAELQDAFVKSPWAARTPVEVEVPFDMVLGETVVRGRIDAVFAEPDGTTMVLDWKTGDPPETPEAKEHAAVQLAVYRLA
WAAMRGCPPESVRAAFHYVRSGQTVIPETLPGAEELVKLLAAAPTETAEEADRIT</string>
                    <external_references type="UNIPROTKB">I7FZ56</external_references>
                </sequence>
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            <protein_or_peptide macromolecule_id="2">
                <name>ATP-dependent DNA helicase (UvrD/REP)</name>
                <natural_source database="NCBI">
                    <organism ncbi="1772">Mycobacterium smegmatis</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.07604931200000001</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)GTVTVRLAASTHAEGTMIADALRRAHLVDGIPWSQMAVIVRSVPRVGTAL
ARALTAAGVPVQDNGTDVPVGRQPAAAALLTVLDVTATGHLDADSAVALLTGPIGRVDPVTLRQLRRALRRADGSQPPRD
FGDLLVDAIEREPKGLSAEHARTLRRLRAVLTAARRSDASGADPRYTLWQAWHASGLQRRWLAASERGGSVGAQADRDLD
AVTTLFDVADQYVNRTAGASLRGLVDHVTRLGAAVARTEPETAAEAVAVLSVHGALAGEWDFVVIAGVQEGLWPNMIPRG
GVLGTQHLVDVLDGVADMTDRTVSTRAPLVAEERRLLMAAMGRARTRVMITAVDS(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)PPLVAPRVLAPSALVGRLRAVVCAPDGAVDDDARACAAAQ
LARLAAAGVPGADPSQWHAMTSLTTEEPLWSEPGHVVTLSPSTLQMLTDCPLRWLLERHGGDDGRDVRSTVGSLVHALVS
EPGKTESQLVNELEKVWDDLPYDAKWYSDNELARHRAMLETFTRWREDTRRQLTEVATEIPVEGIVVEPGENTPGVRVRG
RLDRLERDEAGRLVVVDLKTGKSPVTKDDAQNHAQLAMYQLAVAAGLLDDGDEPGGGKLVYLGKAGAAGATEREQDPLTP
DKRAEWLETVGEAAAATAGPRFVARVNNGCANCPVRSSCPAQANGDRP</string>
                    <external_references type="UNIPROTKB">A0A0D6HKQ2</external_references>
                    <external_references type="UNIPROTKB">A0A0D6HKQ2</external_references>
                </sequence>
                <ec_number>3.6.4.12</ec_number>
            </protein_or_peptide>
            <dna macromolecule_id="3">
                <name>DNA (29-MER)</name>
                <natural_source database="NCBI">
                    <organism ncbi="224308">Bacillus subtilis subsp. subtilis str. 168</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.021477703</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>(DT)(DT)(DT)(DT)(DT)(DT)(DT)(DC)(DT)(DA)(DA)(DT)(DG)(DC)(DG)(DA)(DG)(DC)(DA)(DC)
(DT)(DG)(DC)(DT)(DA)(DT)(DT)(DC)(DC)(DC)(DT)(DA)(DG)(DC)(DA)(DG)(DT)(DG)(DC)(DT)
(DC)(DG)(DC)(DA)(DT)(DT)(DA)(DG)(DA)(DT)(DT)(DT)(DT)(DG)(DT)(DT)(DT)(DT)(DT)(DT)
(DT)(DA)(DG)(DC)(DG)(DG)(DT)(DT)(DT)(DT)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <ligand macromolecule_id="4">
                <name>MAGNESIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">2.4305e-05</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>MG</formula>
            </ligand>
            <ligand macromolecule_id="5">
                <name>IRON/SULFUR CLUSTER</name>
                <molecular_weight>
                    <theoretical units="MDa">0.00035163999999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>SF4</formula>
            </ligand>
        </macromolecule_list>
    </sample>
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            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <concentration units="mg/mL">1.5</concentration>
                    <buffer>
                        <ph>7.5</ph>
                        <component>
                            <formula>Tris</formula>
                        </component>
                        <details>20 mM Tris-HCl, pH 7.5, 150 mM NaCl</details>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <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>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (4k x 4k)</film_or_detector_model>
                            <average_electron_dose_per_image units="e/Å^2">2.16</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
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                <image_recording_id>1</image_recording_id>
                <ctf_correction>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
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                <startup_model type_of_model="PDB ENTRY"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">3.5</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
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                            <name>RELION</name>
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