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        <sites>
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        <key_dates>
            <deposition>2023-12-04</deposition>
            <header_release>2024-04-24</header_release>
            <map_release>2024-04-24</map_release>
            <update>2025-07-09</update>
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        <grant_support>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>SFB960</code>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of Pyrococcus furiosus apo form RNA polymerase contracted clamp conformation</title>
        <authors_list>
            <author>Tarau DM</author>
            <author>Reichelt R</author>
            <author>Heiss FB</author>
            <author>Pilsl M</author>
            <author>Hausner W</author>
            <author>Engel C</author>
            <author>Grohmann D</author>
        </authors_list>
        <keywords>RNA, Polymerase, Elongation, Complex, Pyrococcus furiosus, Archaea, Transcription, DNA</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Tarau D</author>
                    <author order="2">Grunberger F</author>
                    <author order="3">Pilsl M</author>
                    <author order="4">Reichelt R</author>
                    <author order="5">Heiss F</author>
                    <author order="6">Konig S</author>
                    <author order="7">Urlaub H</author>
                    <author order="8">Hausner W</author>
                    <author order="9">Engel C</author>
                    <author order="10">Grohmann D</author>
                    <title>Structural basis of archaeal RNA polymerase transcription elongation and Spt4/5 recruitment.</title>
                    <journal_abbreviation>Nucleic Acids Res.</journal_abbreviation>
                    <country>UK</country>
                    <volume>52</volume>
                    <first_page>6017</first_page>
                    <last_page>6035</last_page>
                    <year>2024</year>
                    <external_references type="PUBMED">38709902</external_references>
                    <external_references type="DOI">doi:10.1093/nar/gkae282</external_references>
                    <external_references type="ISSN">1362-4962</external_references>
                    <external_references type="CSD">0389</external_references>
                    <external_references type="ASTM">NARHAD</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>8rbo</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Pyrococcus furiosus apo form of RNA polymerase contracted clamp conformation</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Pyrococcus furiosus apo form of RNA polymerase contracted clamp conformation</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>
                        <macromolecule_id>8</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>9</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>10</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>11</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>DNA-directed RNA polymerase subunit Rpo1N</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.10361224999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MQSMKKVIGSIEFGILSPQEIRKMSAVEVTVPDTYDDDGYPIEGGVMDKRMGVIDPGLRCETCGGRAGECPGHFGHIELA
RPVIHVGFAKTIYRILESTCRECGRIKLTDEEIEEYMKKIELARNRRSEFNEIIKEIHKKAKERMVCPHCGAPQYPIKFE
KPTIYWEIRKDEQGNEYRHRLMPTEVRDWLEKIPDKDLPLLGLDPEKSRPEWMVLTVLPVPPVTARPSITLETGIRAEDD
LTHKLVDIIRINNRLKQNIEAGAPQLIIEDLWDLLQYHVTTYINNEAPGVPPAKHKSGRPLKTLAQRLKGKEGRFRGNLS
GKRVNFSARTVISPDPMISINEVGVPVEVAMELTVPEKVTEFNIERLRKMVLNGPDKYPGANYVIDPEGRRRRIMDSNKE
TLANQLDIGWTVERHLMDGDIVLFNRQPSLHRMSIMAHRVRVMPYRTFRLNLAVCPPYNADFDGDEMNLHVPQTEEAQAE
ARILMEVQNHIISPRYGGPIIGGIQDHISGGYLLTREGAYFTRDEVEQMLMFAGVDITELPEPDKYDENGNPLWSGKTIF
SLLLPEDLTVWYRNKLCDEPERCEALEKLIEEKLMPDPEEVRKLAYDGFVYIQNGKLLSGAIDKKAYGREDGIILDLIVR
EYGVERARQFLDQVTKLTIWVITHKGFTTGIDDEDLPEEARDRIREIIREAEERVNKLIEAYKRGELEPLPGKSLEDTLE
SLIMAVLAEARDNAGAVAEKYLGMDNHTVIMAKTGARGKILNITQMAALLGQQSIRGKRLYRGFRGRVLSHFKPGDLGAR
AKGFVVNSYKSGLTPQEYFFHAMGGREGLVDTAVRTAQSGYMQRRLINALQDLKVEYDGTVRSPEGIIVQFKYGEDGVDP
MKSWRGKTVDVDRIIVRTLLKMRGNNKAKV</string>
                    <external_references type="UNIPROTKB">A0A5C0XPL7</external_references>
                </sequence>
                <ec_number>2.7.7.6</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>DNA-directed RNA polymerase subunit beta</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.127188898</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MRGPTVVDVTPDDLWIVMESYWQEKGLVRQHLDSYNAFIERGLQEVVNEFGGIKPDIPDFEVKFGKIRVGEPEFQEPHGQ
RKPLYPMDARIRNLTYAAPLYLEMIPVIKGVEQDPVEVRIGELPIMLKSKVCRLYGLSDEELIKLGEDPKDPGGYFIING
SERVIVSIEDIAPNRTLVEKDERQEKYIAKVFSYRHGYRALVAVERRKDGILYVDIPNVPKPVKFVYVMRALGLERDKDI
VEAVGNDPEVQQIMFDNLEDASDITTQQEALEFIGKLVAPGQAREYRLKRAEYVIDNNLLPHMGVSPEDRIKKAYYLGMM
ALKVIELSLGRRPEDDKDHYANKRLRLAGDLLKDLFRVAFSQLVKDIQYQMTKTYQRKGDKYTFGNIHRFIRNSIRPDVL
TERIEHALATGAWPGGRTGVSQLLDRTNYMSTLSHLRRVTSPLDREQPHFEARDLHGTHWGRICPTETPEGPNCGLVKNL
ALMAQITTAVPEEEIREYLMSLGIVPIEVRRPDPTLWRVYLNGVLIGTIEDGKALVQRIRQDRRSGKISDVINVAYYEDV
KEVYVNSDDGRVRRPLIIVENGVPKLTKEHVQAVKEGRLKWSDLIKMGIIEYLDAEEEENAYVAMWPWEVTEEHTHLELM
PAAILGLPASLVPYPEHNAAPRNTYGAGMAKQSLGLGWANFRIRVDTRGHLLHYPQIPLVNSRIMKAVGYEDRPAGQNFV
VAVLAYQGYNMEDAIIINKASIERGLARSTFFRTYEAEEKKYLGGQTDKFEIPDPTVRGYRGEKYYRNLDEDGLIFPESK
VEGKDVLVGRTSPPRFLEERGLGTVSLQERRETSVAVRPSEKGVVDKVIITETGDGTKLVKVTVRDLRIPELGDKFASRH
GQKGVIGLIVPQEDMPWTESGIVPDLIVNPHGIPSRMTVGQLIEAIGGKVASLKGRRVDGTAFIGEPEEKLRKELEELGF
KHTGREIMYDGITGKRLEADIFIGVIYYQRLHHMVADKIHARSRGPVQVLTKQPTEGRAREGGLRFGEMERDVLVGHGAA
MLLIERLLEESDKTEVWVCENCGHIALEDKRRRRVYCPVCGEEERISKVEMSYAFKLLLDELKAMVIRPKLNLSERV</string>
                    <external_references type="UNIPROTKB">Q8U0M3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>DNA-directed RNA polymerase subunit Rpo1C</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.044468156</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MVSLSTIKSLIEKKGANLPENVKSELYEKLKKYNEKYKLTKAEIEAIIDDVVKEYERALVEPGEPVGTVAAQSIGEPSTQ
MTLNTFHYAGVAEINVTLGLPRIIEIVDARKNPSTPMMTVYLDEEHRYDRAKAEEVARRIEGTTLENLARSTTLDLINFE
FIVEIDPERLERSGLTMEKVVKKLESSFKSAEFEVDGYTLIVRPKKADKISDLRRFAEKIKKHRLKGLSGVGKTIVRKEG
DEYVIYTEGSNFKQVLKVPGVDPTRTRTNNIHEIAEVLGIEAARNAIIDEIVSTMQEQGLEVDIRHIMLVADMMTLDGIV
RPIGRHGVVGEKSSVLARAAFEITVQHLFEAAEKGEVDNLNGVIENVLIGQPVPVGTGMVKLTMKLPLRPQKEKEEV</string>
                    <external_references type="UNIPROTKB">Q8U0M5</external_references>
                </sequence>
                <ec_number>2.7.7.6</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>DNA-directed RNA polymerase subunit Rpo3</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.031688194999999995</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAGIEVQILEKKEDSIKFVLKGVHVSFANALRRTILGEVPTFAVDEVEFYENDSALFDEIIAHRLAMIPLTTPVDRFELD
ALELDDYTVTLSLEAEGPGIVYSGDLKSDDPDVKPVNPNIPIVKLAEGQRLVFNAYAKLGRGKDHAKWQPGFVYYKYYTI
VHISKSIPEWKELKKLAKKRGLPVEETEEEVLVTTIKPFYIPKDFEEYEGKEIWEEIVPNTYIFTVETNGELPVEEIVSI
ALKILMRKADRFISELQKLTSWSHPQFEKHHHHHH</string>
                    <external_references type="UNIPROTKB">Q8U0E4</external_references>
                </sequence>
                <ec_number>2.7.7.6</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>DNA-directed RNA polymerase subunit Rpo7</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.021731455</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MYKIVTVKDVVRIPPTMFTMDPKEAAKIILRETYEGTYDKDEGVILSILEVKDIKDGIIIPGDGATYHEVVFDVLVWEPK
IHEVVEGYVADVMPFGAFIRIGPIDGLVHISQLMDDYVVYDERNKQFVGKEKKYLLKIGDLVRARIINISAKSKVIRENR
IGLTMRQPGLGKFEWIEKEKKKEKEEGKK</string>
                    <external_references type="UNIPROTKB">Q8U439</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>DNA-directed RNA polymerase subunit Rpo4</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014116311</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MIGRGKLGEKYITIAEAKELLLKRREEEVKAGIEEPLYYEARLALEHAERFAKLPADKAKEAVEELMNAFEWMSDRIACK
IVDIMPEDSMDLRVIFAKEEYQPTQEEMKQILDILDKYRE</string>
                    <external_references type="UNIPROTKB">Q8U216</external_references>
                </sequence>
                <ec_number>2.7.7.6</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>DNA-directed RNA polymerase subunit Rpo5</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.009260791999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAGKKEFSIFDHVLVPEHRVLSEEEKKALLEKYKITLAQLPQIKASDPAVKALGAKPGDVIEIKRKSPTAGVYYYYRVVV
ED</string>
                    <external_references type="UNIPROTKB">Q8U0M2</external_references>
                </sequence>
                <ec_number>2.7.7.6</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>DNA-directed RNA polymerase subunit Rpo6</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.006243489999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFKYTRFEKARIIGARALQISMGAPVLIDVPPGITPLEAAILEFEKGVIPITVIRPS</string>
                    <external_references type="UNIPROTKB">Q8U0E8</external_references>
                </sequence>
                <ec_number>2.7.7.6</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>DNA-directed RNA polymerase subunit Rpo11</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011132763999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKIEVIKKEENLLEFYLEGEDHTFANLLVETLRENPHVKFTAYTIEHPITMARKPRFRVVTDGEITPEEALEEAAKKIFE
RAKEVLEAWEKAVKS</string>
                    <external_references type="UNIPROTKB">Q8U4N1</external_references>
                </sequence>
                <ec_number>2.7.7.6</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>DNA-directed RNA polymerase subunit Rpo10</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.007800158</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MIVPVRCFTCGKVIGDKYYEFKRRVEAGEDPEKVLDDLGLERYCCRRMLLSHVELIDDIMHYRVY</string>
                    <external_references type="UNIPROTKB">P60292</external_references>
                </sequence>
                <ec_number>2.7.7.6</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>DNA-directed RNA polymerase subunit Rpo12</name>
                <natural_source database="NCBI">
                    <organism ncbi="186497">Pyrococcus furiosus DSM 3638</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.00577005</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="186497">Pyrococcus furiosus DSM 3638</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MVEAVYRCFKCGREVKLDLSITRDLRCPYCGSKILYKPRPKVPRRVKAI</string>
                    <external_references type="UNIPROTKB">Q8TZI3</external_references>
                </sequence>
                <ec_number>2.7.7.6</ec_number>
            </protein_or_peptide>
            <ligand macromolecule_id="12">
                <name>ZINC ION</name>
                <molecular_weight>
                    <theoretical units="MDa">6.5409e-05</theoretical>
                </molecular_weight>
                <number_of_copies>5</number_of_copies>
                <formula>ZN</formula>
            </ligand>
            <ligand macromolecule_id="13">
                <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>
        </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">
                    <buffer>
                        <ph>8.0</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>JEOL CRYO ARM 200</microscope>
                    <illumination_mode>OTHER</illumination_mode>
                    <imaging_mode>OTHER</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">200</acceleration_voltage>
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