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    <admin composite_map="true">
        <current_status>
            <date>2025-11-19</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <revision_history>
            <revision version="1.0" date="2025-11-19">
                <change_list>
                    <model>
                        <revision_type>INITIAL_RELEASE</revision_type>
                        <provider>REPOSITORY</provider>
                    </model>
                </change_list>
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        </revision_history>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2025-03-12</deposition>
            <header_release>2025-11-19</header_release>
            <map_release>2025-11-19</map_release>
            <update>2025-11-19</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)</funding_body>
                <code>R35GM152032</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>DP2GM150023</code>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Composite structure of HSV1 helicase-primase in complex with a forked DNA and pritelivir</title>
        <authors_list>
            <author>He Q</author>
            <author>Baranovskiy AG</author>
            <author>Morstadt LM</author>
            <author>Babayeva ND</author>
            <author>Lim C</author>
            <author>Tahirov TH</author>
        </authors_list>
        <keywords>DNA replication, HSV-1 helicase-primase, VIRAL PROTEIN, VIRAL PROTEIN-DNA complex</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author ORCID="0000-0002-8017-6932" order="1">Baranovskiy AG</author>
                    <author ORCID="0000-0002-0738-679X" order="2">He Q</author>
                    <author ORCID="0009-0006-1488-3256" order="3">Suwa Y</author>
                    <author ORCID="0000-0002-4972-6086" order="4">Morstadt LM</author>
                    <author ORCID="0000-0002-4410-1327" order="5">Babayeva ND</author>
                    <author ORCID="0000-0003-3327-1926" order="6">Lim CJ</author>
                    <author ORCID="0000-0002-1238-0069" order="7">Tahirov TH</author>
                    <title>Structural basis of herpesvirus helicase-primase inhibition by pritelivir and amenamevir.</title>
                    <journal_abbreviation>Sci Adv</journal_abbreviation>
                    <country>US</country>
                    <volume>11</volume>
                    <first_page>eadz1989</first_page>
                    <last_page>eadz1989</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">41202142</external_references>
                    <external_references type="DOI">doi:10.1126/sciadv.adz1989</external_references>
                    <external_references type="ISSN">2375-2548</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
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                <db_name>EMDB</db_name>
                <accession_id>EMD-49669</accession_id>
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                <details>Composite structure of HSV1 helicase-primase in complex with a forked DNA and pritelivir</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>HSV-1 helicase-primase in complex with a forked DNA and pritelivir</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>HSV-1 helicase-primase in complex with a forked DNA and pritelivir</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_list>
                <details>HSV-1 helicase-primase in complex with a forked DNA and pritelivir sovled using cryo-EM single-particle analysis</details>
                <natural_source database="NCBI">
                    <organism ncbi="10299">Human alphaherpesvirus 1 strain 17</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.3</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>DNA replication helicase</name>
                <natural_source database="NCBI">
                    <organism ncbi="10299">Human alphaherpesvirus 1 strain 17</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.09576080499999999</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>GRAEAFLNFTSMHGVQPILKRIRELSQQQLDGAQVPHLQWFRDVAALESPAGLPLREFPFAVYLITGNAGSGKSTCVQTI
NEVLDCVVTGATRIAAQNMYAKLSGAFLSRPINTIFHEFGFRGNHVQAQLGQYPYTLTSNPASLEDLQRRDLTYYWEVIL
DLTKRALAASGGEELRNEFRALAALERTLGLAEGALTRLAPATHGALPAFTRSNVIVIDEAGLLGRHLLTAVVYCWWMIN
ALYHTPQYAARLRPVLVCVGSPTQTASLESTFEHQKLRCSVRQSENVLTYLICNRTLREYARLSYSWAIFINNKRCVEHE
FGNLMKVLEYGLPITEEHMQFVDRFVVPENYITNPANLPGWTRLFSSHKEVSAYMAKLHAYLKVTREGEFVVFTLPVLTF
VSVKEFDEYRRLTHQPGLTIEKWLTANASRITNYSQSQDQDAGHMRCEVHSKQQLVVARNDVTYVLNSQIAVTARLRKLV
FGFSGTFRAFEAVLRDDSFVKTQGETSVEFAYRFLSRLIFSGLISFYNFLQRPGLDATQRTLAYARMGELTAEILSLRPK
SSGVPTQASVMADAGAPGERAFDFKQLGPRDGGPDDFPDDDLDVIFAGLDEQQLDVFYCHYTPGEPETTAAVHTQFALLK
RAFLGRFRILQELFGEAFEVAPFSTYVDNVIFRGCEMLTGSPRGGLMSVALQTDNYTLMGYTYARVFAFADELRRRHATA
NVAELLEEAPLPYVVLRDQHGFMSVVNTNISEFVESIDSTELAMAINADYGISSKLAMTITRSQGLSLDKVAICFTPGNL
RLNSAYVAMSRTTSSEFLRMNLNPLRERHERDDVISEHILSALRDPNVVIVY</string>
                    <external_references type="UNIPROTKB">P10189</external_references>
                </sequence>
                <ec_number>3.6.4.-</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>DNA primase</name>
                <natural_source database="NCBI">
                    <organism ncbi="10299">Human alphaherpesvirus 1 strain 17</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.114558562</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>MGQEDGNRGERRAAGTPVEVTALYATDGCVITSSIALLTNSLLGAEPVYIFSYDAYTHDGRADGPTEQDRFEESRALYQA
SGGLNGDSFRVTFCLLGTEVGGTHQARGRTRPMFVCRFERADDVAALQDALAHGTPLQPDHIAATLDAEATFALHANMIL
ALTVAINNASPRTGRDAAAAQYDQGASLRSLVGRTSLGQRGLTTLYVHHEVRVLAAYRRAYYGSAQSPFWFLSKFGPDEK
SLVLTTRYYLLQAQRLGGAGATYDLQAIKDICATYAIPHAPRPDTVSAASLTSFAAITRFCCTSQYARGAAAAGFPLYVE
RRIAADVRETSALEKFITHDRSCLRVSDREFITYIYLAHFECFSPPRLATHLRAVTTHDPNPAASTEQPSPLGREAVEQF
FCHVRAQLNIGEYVKHNVTPRETVLDGDTAKAYLRARTYAPGALTPAPAYCGAVDSATKMMGRLADAEKLLVPRGWPAFA
PASPGEDTAGGTPPPQTCGIVKRLLRLAATEQQGPTPPAIAALIRNAAVQTPLPVYRISMVPTGQAFAALAWDDWARITR
DARLAEAVVSAEAAAHPDHGALGRRLTDRIRAQGPVMPPGGLDAGGQMYVNRNEIFNGALAITNIILDLDIALKEPVPFR
RLHEALGHFRRGALAAVQLLFPAARVDPDAYPCYFFKSACRPGPASVGSGSGLGNDDDGDWFPCYDDAGDEEWAEDPGAM
DTSHDPPDDEVAYFDLCHEVGPTAEPRETDSPVCSCTDKIGLRVCMPVPAPYVVHGSLTMRGVARVIQQAVLLDRDFVEA
IGSYVKNFLLIDTGVYAHGHSLRLPYFAKIAPDGPACGRLLPVFVIPPACKDVPAFVAAHADPRRFHFHAPPTYLASPRE
IRVLHSLGGDYVSFFERKASRNALEHFGRRETLTEVLGRYNVQPDAGGTVEGFASELLGRIVACIETHFPEHAGEYQAVS
VRRAVSKDDWVLLQLVPVRGTLQQSLSCLRFKHGRASRATARTFVALSVGANNRLCVSLCQQCFAAKCDSNRLHTLFTID
AGTPCSPSVPCSTSQPSS</string>
                    <external_references type="UNIPROTKB">P10236</external_references>
                </sequence>
                <ec_number>2.7.7.-</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>DNA helicase/primase complex-associated protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="10299">Human alphaherpesvirus 1 strain 17</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.080005664</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>MDTADIVWVEESVSAITLYAVWLPPRAREYFHALVYFVCRNAAGEGRARFAEVSVTATELRDFYGSADVSVQAVVAAARA
ATTPAASPLEPLENPTLWRALYACVLAALERQTGPVALFAPLRIGSDPRTGLVVKVERASWGPPAAPRAALLVAEANIDI
DPMALAARVAEHPDARLAWARLAAIRDTPQCASAASLTVNITTGTALFAREYQTLAFPPIKKEGAFGDLVEVCEVGLRPR
GHPQRVTARVLLPRDYDYFVSAGEKFSAPALVALFRQWHTTVHAAPGALAPVFAFLGPEFEVRGGPVPYFAVLGFPGWPT
FTVPATAESARDLVRGAAAAYAALLGAWPAVGARVVLPPRAWPGVASAAAGCLLPAVREAVARWHPATKIIQLLDPPAAV
GPVWTARFCFPGLRAQLLAALADLGGSGLADPHGRTGLARLDALVVAAPSEPWAGAVLERLVPDTCNACPALRQLLGGVM
AAVCLQIEETASSVKFAVCGGDGGAFWGVFNVDPQDADAASGVIEDARRAIETAVGAVLRANAVRLRHPLCLALEGVYTH
AVAWSQAGVWFWNSRDNTDHLGGFPLRGPAYTTAAGVVRDTLRRVLGLTTACVPEEDALTARGLMEDACDRLILDAFNKR
LDAEYWSVRVSPFEASDPLPPTAFRGGALLDAEHYWRRVVRVCPGGGESVGVPVDLYPRPLVLPPVDCAHHLREILREIE
LVFTGVLAGVWGEGGKFVYPFDDKMSFLFA</string>
                    <external_references type="UNIPROTKB">P10192</external_references>
                </sequence>
            </protein_or_peptide>
            <dna macromolecule_id="4">
                <name>DNA (5'-D(P*AP*TP*CP*TP*GP*TP*T)-3')</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013114381</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>(DG)(DC)(DA)(DG)(DC)(DC)(DT)(DG)(DG)(DA)(DC)(DG)(DT)(DC)(DT)(DG)(DC)(DA)(DG)(DC)
(DT)(DC)(DG)(DT)(DC)(DC)(DT)(DA)(DT)(DC)(DT)(DG)(DT)(DT)(DC)(DA)(DC)(DC)(DT)(DG)
(DT)(DC)(DA)</string>
                </sequence>
                <classification>DNA</classification>
            </dna>
            <ligand macromolecule_id="5">
                <name>Pritelivir</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000402491</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>A1BXB</formula>
            </ligand>
            <ligand macromolecule_id="6">
                <name>ZINC ION</name>
                <molecular_weight>
                    <theoretical units="MDa">6.5409e-05</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <formula>ZN</formula>
            </ligand>
            <ligand macromolecule_id="7">
                <name>water</name>
                <molecular_weight>
                    <theoretical units="MDa">1.8015e-05</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <formula>HOH</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">5.25</concentration>
                    <buffer>
                        <ph>7.5</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>HEPES</formula>
                            <name>2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid</name>
                        </component>
                        <component>
                            <concentration units="mM">100.0</concentration>
                            <formula>KCl</formula>
                            <name>potassium chloride</name>
                        </component>
                        <component>
                            <concentration units="percent">0.5</concentration>
                            <formula>Glycerol</formula>
                            <name>Glycerol</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <formula>DTT</formula>
                            <name>dithiothreitol</name>
                        </component>
                        <component>
                            <concentration units="mM">2.0</concentration>
                            <formula>CHAPSO</formula>
                            <name>CHAPSO</name>
                        </component>
                        <details>CHAPSO is made fresh at 80 mM before being added to the sample at a final concentration of 2 mM immediately before vitrification</details>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">95</chamber_humidity>
                        <chamber_temperature units="K">277.15</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </vitrification>
                    <details>The sample was monodisperse</details>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>TFS 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>
                    <nominal_defocus_min units="µm">1.0</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.5</nominal_defocus_max>
                    <nominal_magnification>81000.0</nominal_magnification>
                    <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>9216</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">50.0</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>
                <particle_selection>
                    <number_selected>3516384</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                        </software>
                    </software_list>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <startup_model type_of_model="INSILICO MODEL">
                    <insilico_model>From Cryosparc</insilico_model>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.2</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                        </software>
                    </software_list>
                    <number_images_used>409125</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                        </software>
                    </software_list>
                </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="186625">
        <file>emd_49669.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>360</col>
            <row>360</row>
            <sec>360</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>360</x>
            <y>360</y>
            <z>360</z>
        </spacing>
        <cell>
            <a units="Å">399.6</a>
            <b units="Å">399.6</b>
            <c units="Å">399.6</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>-0.6476622</minimum>
            <maximum>1.0277064</maximum>
            <average>0.00016218101</average>
            <std>0.018777529</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.11</x>
            <y units="Å">1.11</y>
            <z units="Å">1.11</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.09</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-49669::::</label>
        <annotation_details>Composite map of HSV-1 helicase-primase in complex with a forked DNA and pritelivir</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <chain>
                        <source_name>AlphaFold</source_name>
                        <initial_model_type>in silico model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
