<?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_3/emdb.xsd" version="3.0.9.3" emdb_id="EMD-8014">
    <admin>
        <current_status>
            <date>2024-05-15</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2015-12-15</deposition>
            <header_release>2016-01-27</header_release>
            <map_release>2016-01-27</map_release>
            <update>2024-05-15</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Medical Research Council (United Kingdom)</funding_body>
                <country>United Kingdom</country>
            </grant_reference>
        </grant_support>
        <title>Body region of the U4/U6.U5 tri-snRNP</title>
        <authors_list>
            <author>Nguyen THD</author>
            <author>Galej WP</author>
        </authors_list>
        <keywords>Transcription, snRNP, spliceosome, RNA-protein complex, U4/U6.U5 snRNP</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Nguyen TH</author>
                    <author order="2">Galej WP</author>
                    <author order="3">Bai XC</author>
                    <author order="4">Oubridge C</author>
                    <author order="5">Newman AJ</author>
                    <author order="6">Scheres SH</author>
                    <author order="7">Nagai K</author>
                    <title>Cryo-EM structure of the yeast U4/U6.U5 tri-snRNP at 3.7 angstrom resolution.</title>
                    <journal_abbreviation>Nature</journal_abbreviation>
                    <country>UK</country>
                    <volume>530</volume>
                    <first_page>298</first_page>
                    <last_page>302</last_page>
                    <year>2016</year>
                    <external_references type="PUBMED">26829225</external_references>
                    <external_references type="DOI">doi:10.1038/nature16940</external_references>
                    <external_references type="ISSN">1476-4687</external_references>
                    <external_references type="CSD">0006</external_references>
                    <external_references type="ASTM">NATUAS</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>5gap</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Body region of the U4/U6.U5 tri-snRNP complex</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Body region of the U4/U6.U5 tri-snRNP 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>
                    </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>
                        <macromolecule_id>12</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.5</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <rna macromolecule_id="1">
                <name>U4 snRNA, 5' region, nucleotides 1-67</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.021528687999999997</theoretical>
                </molecular_weight>
                <details>U4 snRNA 5' region, nucleotides 1-67.</details>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>AUCCUUAUGCACGGGAAAUACGCAUAUCAGUGAGGAUUCGUCCGAGAUUGUGUUUUUGCUGGUUGAA</string>
                    <external_references type="GENBANK">CP011083.1</external_references>
                </sequence>
            </rna>
            <rna macromolecule_id="2">
                <name>U6 snRNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.035883175999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>GUUCGCGAAGUAACCCUUCGUGGACAUUUGGUCAAUUUGAAACAAUACAGAGAUGAUCAGCAGUUCCCCUGCAUAAGGAU
GAACCGUUUUACAAAGAGAUUUAUUUCGUUUU</string>
                    <external_references type="GENBANK">CP011090.1</external_references>
                </sequence>
            </rna>
            <rna macromolecule_id="3">
                <name>U5 snRNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.068643344</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>AAGCAGCUUUACAGAUCAAUGGCGGAGGGAGGUCAACAUCAAGAACUGUGGGCCUUUUAUUGCCUAUAGAACUUAUAACG
AACAUGGUUCUUGCCUUUUACCAGAACCAUCCGGGUGUUGUCUCCAUAGAAACAGGUAAAGCUGUCCGUUACUGUGGGCU
UGCCAUAUUUUUUGGAACUUUUCUGCCCUUUUUCUCAAUGAGUAAGGAGGGCGU</string>
                    <external_references type="GENBANK">CP011085.1</external_references>
                </sequence>
            </rna>
            <protein_or_peptide macromolecule_id="4">
                <name>unknown protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.006996616</theoretical>
                </molecular_weight>
                <details>Clear helical regions were built as poly(Ala) but could not be assigned to a specific protein.</details>
                <number_of_copies>1</number_of_copies>
                <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)(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)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Pre-mRNA-splicing factor 8</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.279867469</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSGLPPPPPGFEEDSDLALPPPPPPPPGYEIEELDNPMVPSSVNEDTFLPPPPPPPSNFEINAEEIVDFTLPPPPPPPGL
DELETKAEKKVELHGKRKLDIGKDTFVTRKSRKRAKKMTKKAKRSNLYTPKAEMPPEHLRKIINTHSDMASKMYNTDKKA
FLGALKYLPHAILKLLENMPHPWEQAKEVKVLYHTSGAITFVNETPRVIEPVYTAQWSATWIAMRREKRDRTHFKRMRFP
PFDDDEPPLSYEQHIENIEPLDPINLPLDSQDDEYVKDWLYDSRPLEEDSKKVNGTSYKKWSFDLPEMSNLYRLSTPLRD
EVTDKNYYYLFDKKSFFNGKALNNAIPGGPKFEPLYPREEEEDYNEFNSIDRVIFRVPIRSEYKVAFPHLYNSRPRSVRI
PWYNNPVSCIIQNDEEYDTPALFFDPSLNPIPHFIDNNSSLNVSNTKENGDFTLPEDFAPLLAEEEELILPNTKDAMSLY
HSPFPFNRTKGKMVRAQDVALAKKWFLQHPDEEYPVKVKVSYQKLLKNYVLNELHPTLPTNHNKTKLLKSLKNTKYFQQT
TIDWVEAGLQLCRQGHNMLNLLIHRKGLTYLHLDYNFNLKPTKTLTTKERKKSRLGNSFHLMRELLKMMKLIVDTHVQFR
LGNVDAFQLADGIHYILNHIGQLTGIYRYKYKVMHQIRACKDLKHIIYYKFNKNLGKGPGCGFWQPAWRVWLNFLRGTIP
LLERYIGNLITRQFEGRSNEIVKTTTKQRLDAYYDLELRNSVMDDILEMMPESIRQKKARTILQHLSEAWRCWKANIPWD
VPGMPAPIKKIIERYIKSKADAWVSAAHYNRERIKRGAHVEKTMVKKNLGRLTRLWIKNEQERQRQIQKNGPEITPEEAT
TIFSVMVEWLESRSFSPIPFPPLTYKNDTKILVLALEDLKDVYASKVRLNASEREELALIEEAYDNPHDTLNRIKKYLLT
QRVFKPVDITMMENYQNISPVYSVDPLEKITDAYLDQYLWYEADQRKLFPNWIKPSDSEIPPLLVYKWTQGINNLSEIWD
VSRGQSAVLLETTLGEMAEKIDFTLLNRLLRLIVDPNIADYITAKNNVVINFKDMSHVNKYGLIRGLKFASFIFQYYGLV
IDLLLLGQERATDLAGPANNPNEFMQFKSKEVEKAHPIRLYTRYLDRIYMLFHFEEDEGEELTDEYLAENPDPNFENSIG
YNNRKCWPKDSRMRLIRQDVNLGRAVFWEIQSRVPTSLTSIKWENAFVSVYSKNNPNLLFSMCGFEVRILPRQRMEEVVS
NDEGVWDLVDERTKQRTAKAYLKVSEEEIKKFDSRIRGILMASGSTTFTKVAAKWNTSLISLFTYFREAIVATEPLLDIL
VKGETRIQNRVKLGLNSKMPTRFPPAVFYTPKELGGLGMISASHILIPASDLSWSKQTDTGITHFRAGMTHEDEKLIPTI
FRYITTWENEFLDSQRVWAEYATKRQEAIQQNRRLAFEELEGSWDRGIPRISTLFQRDRHTLAYDRGHRIRREFKQYSLE
RNSPFWWTNSHHDGKLWNLNAYRTDVIQALGGIETILEHTLFKGTGFNSWEGLFWEKASGFEDSMQFKKLTHAQRTGLSQ
IPNRRFTLWWSPTINRANVYVGFLVQLDLTGIFLHGKIPTLKISLIQIFRAHLWQKIHESIVFDICQILDGELDVLQIES
VTKETVHPRKSYKMNSSAADITMESVHEWEVSKPSLLHETNDSFKGLITNKMWFDVQLRYGDYDSHDISRYVRAKFLDYT
TDNVSMYPSPTGVMIGIDLAYNMYDAYGNWFNGLKPLIQNSMRTIMKANPALYVLRERIRKGLQIYQSSVQEPFLNSSNY
AELFNNDIKLFVDDTNVYRVTVHKTFEGNVATKAINGCIFTLNPKTGHLFLKIIHTSVWAGQKRLSQLAKWKTAEEVSAL
VRSLPKEEQPKQIIVTRKAMLDPLEVHMLDFPNIAIRPTELRLPFSAAMSIDKLSDVVMKATEPQMVLFNIYDDWLDRIS
SYTAFSRLTLLLRALKTNEESAKMILLSDPTITIKSYHLWPSFTDEQWITIESQMRDLILTEYGRKYNVNISALTQTEIK
DIILGQNIKAPSVKRQKMAELEAARSEKQNDEEAAGASTVMKTKTINAQGEEIVVVASADYESQTFSSKNEWRKSAIANT
LLYLRLKNIYVSADDFVEEQNVYVLPKNLLKKFIEISDVKIQVAAFIYGMSAKDHPKVKEIKTVVLVPQLGHVGSVQISN
IPDIGDLPDTEGLELLGWIHTQTEELKFMAASEVATHSKLFADKKRDCIDISIFSTPGSVSLSAYNLTDEGYQWGEENKD
IMNVLSEGFEPTFSTHAQLLLSDRITGNFIIPSGNVWNYTFMGTAFNQEGDYNFKYGIPLEFYNEMHRPVHFLQFSELAG
DEELEAEQIDVFS</string>
                    <external_references type="UNIPROTKB">P33334</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>U4/U6 small nuclear ribonucleoprotein PRP4</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.05250698399999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSKYIALENLPVDLQHKGATQNESTADILKQLPHERLQAVLEKIPEEDLEVRRLLSILKKPEVVENEDVQQRRIRLAEIL
MVDEIDLENINNMENINGEEVDEEDDEDFFTPATSELIFARRFLINYSLERSRKRLQKEMERHQKFNTRQELLSRRTELQ
RMANLELAGSQLVSTKPISAVSLSTDDMVVATGSWAGDLQVLNSQTLQPLTQKLDSHVGKIGAIDWHPDSNNQMISCAED
GLIKNFQYSNEEGGLRLLGDLVGHERRISDVKYHPSGKFIGSASHDMTWRLWDASTHQELLLQEGHDKGVFSLSFQCDGS
LVCSGGMDSLSMLWDIRSGSKVMTLAGHSKPIYTVAWSPNGYQVATGGGDGIINVWDIRKRDEGQLNQILAHRNIVTQVR
FSKEDGGKKLVSCGYDNLINVYSSDTWLKMGSLAGHTDKIISLDISNNSHFLVSGGWDRSIKLWN</string>
                    <external_references type="UNIPROTKB">P20053</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>Pre-mRNA-splicing factor 6</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.104370133</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MERPSFLDQEPPAGYVPGIGRGATGFSTKEKQVVSNDDKGRRIPKRYRENLNNHLQSQPKDDEDDEAANVFKTLELKLAQ
KKKKRANEKDDDNSVDSSNVKRQFADLKESLAAVTESEWMDIPDATDFTRRNKRNRIQEQLNRKTYAAPDSLIPGNVDLN
KLTEEREKLLQSQIDENLAQLTKNASNPIQVNKPNAATDALSYLKDLENDRVNSLSDATLEDLQKMRTILKSYRKADPTN
PQGWIASARLEEKARKFSVAKKIIENGCQECPRSSDIWLENIRLHESDVHYCKTLVATAINFNPTSPLLWFKAIDLESTT
VNKYRVVRKALQEIPRDEGLWKLAVSFEADKAQVIKMLEKATQFIPQSMDLLTAYTNLQSYHNAKMTLNSFRKILPQEPE
IWIISTLLEERNNPDIPVDKLVSLLKEGLLELSKNGYKATLSAWLKRAEALNDAPNSNLTCQAIVYAILEWLRESGEYES
ELNNVDQILEKMPHSKVQIAVLKKLIQWDPCDTVLWSRLKMATESYHKIEELLAFFQELLFQTKNSDDIRANMREKSPGL
LMMYVSEYWKAQKGDTRQTLVLIDQIIDFAPHNLDLRFFKIKLLGRSLQLDELRDFFQQTFSSLEDFKISGTERLYYKYV
NFLRYQDLNEEAIKFLNERCLKSFPICHKFFLQLGQIYHSMGNIEMSRETYLSGTRLVPNCPLLWVSLSKIDEIDLKNPV
RARSILDRGLLKNPDDVLFYIAKIQMEIRLGNLDQAELLVTQALQKFPSNALLWVEQIKLFKHGNKSSLKKTIFQDALRR
TQNDHRVLLEIGVSFYAEAQYETSLKWLERALKKCSRYGDTWVWLFRTYARLGKDTVDLYNMFDQCEPTYGPEWIAASKN
VKMQYCTPREILLRLMNDK</string>
                    <external_references type="UNIPROTKB">P19735</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>Spliceosomal protein DIB1</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.016798386999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MASVLLPQLRTGWHVDQAIVTETKRLVVIRFGRKNDRQCMIMDELLSSIAERVRNFAVIYLCDIDEVSDFDEMYELTDPM
TVMFFYHNKHMMCDFGTGNNNKLNFIVDDKQEMIDILETIFRGARKNKGLVVSPYDYNHKRVS</string>
                    <external_references type="UNIPROTKB">Q06819</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>Pre-mRNA-processing factor 31</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.056382516</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSSEEDYFDELEYDLADEVNEEKEDIQTKKLTTVNCQTEKFNPFEILPESIELFRTLALISPDRLSLSETAQILPKIVDL
KRILQQQEIDFIKLLPFFNEIIPLIKSNIKLMHNFLISLYSRRFPELSSLIPSPLQYSKVISILENENYSKNESDELFFH
LENKAKLTREQILVLTMSMKTSFKNKEPLDIKTRTQILEANSILENLWKLQEDIGQYIASKISIIAPNVCFLVGPEIAAQ
LIAHAGGVLEFSRIPSCNIASIGKNKHLSHELHTLESGVRQEGYLFASDMIQKFPVSVHKQMLRMLCAKVSLAARVDAGQ
KNGDRNTVLAHKWKAELSKKARKLSEAPSISETKALPIPEDQPKKKRAGRKFRKYKEKFRLSHVRQLQNRMEFGKQEQTV
LDSYGEEVGLGMSNTSLQQAVGATSGSRRSAGNQAKLTKVMKHRISEANQQADEFLISLGHNTEQPNLSPEMVQMHKKQH
TNPEEETNWFSGHG</string>
                    <external_references type="UNIPROTKB">P49704</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>U4/U6 small nuclear ribonucleoprotein PRP3</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.055974319999999994</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPPRNTYEKGNPKRQNSPYYKPSFLRREETTNDEEKFQGHGLKTELHSALKSSNLNLIRRTYQTGENPYLSDPHDRGSSS
RFNRRYERGLKFYQKGEISKRIAQERTLQKQQEEEELKRKLKQEEDEKDKRKLIESGDLPNLELHEDKFLLDLSKFKIYY
DNNHGYEWWDTAYLDEKGELMEKYDMNGTSPAEEKLAEDIDEVDDDDDDEHPSIRYVAHPLPEKINEAKVSIKAYLTQHE
RKRLRRNRRKMAREAREIKIKLGLLPKPEPKVKLSNMMSVFENDQNITDPTAWEKVVKDQVDLRKRKHLEENERRHEDAI
KRRKEAVNMNVEKPTVYHCKVFQFKNLQNPKIRFKLKMNSKELSLKGLCLRIRDDGPGIIIVVGNEKSCKFYENLVMKRI
KWNEDFELHTNTGDIKMDMHNNSISKTWEGYLQDCKFKGWFMKVCNDQDSLLRTLGQFDSEHFYSPVQT</string>
                    <external_references type="UNIPROTKB">Q03338</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>13 kDa ribonucleoprotein-associated protein</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013582855</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSAPNPKAFPLADAALTQQILDVVQQAANLRQLKKGANEATKTLNRGISEFIIMAADCEPIEILLHLPLLCEDKNVPYVF
VPSRVALGRACGVSRPVIAASITTNDASAIKTQIYAVKDKIETLLI</string>
                    <external_references type="UNIPROTKB">P39990</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="12">
                <name>Pre-mRNA-splicing helicase BRR2</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.246470266</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTEHETKDKAKKIREIYRYDEMSNKVLKVDKRFMNTSQNPQRDAEISQPKSMSGRISAKDMGQGLCNNINKGLKENDVAV
EKTGKSASLKKIQQHNTILNSSSDFRLHYYPKDPSNVETYEQILQWVTEVLGNDIPHDLIIGTADIFIRQLKENEENEDG
NIEERKEKIQHELGINIDSLKFNELVKLMKNITDYETHPDNSNKQAVAILADDEKSDEEEVTEMSNNANVLGGEINDNED
DDEEYDYNDVEVNSKKKNKRALPNIENDIIKLSDSKTSNIESVPIYSIDEFFLQRKLRSELGYKDTSVIQDLSEKILNDI
ETLEHNPVALEQKLVDLLKFENISLAEFILKNRSTIFWGIRLAKSTENEIPNLIEKMVAKGLNDLVEQYKFRETTHSKRE
LDSGDDQPQSSEAKRTKFSNPAIPPVIDLEKIKFDESSKLMTVTKVSLPEGSFKRVKPQYDEIHIPAPSKPVIDYELKEI
TSLPDWCQEAFPSSETTSLNPIQSKVFHAAFEGDSNMLICAPTGSGKTNIALLTVLKALSHHYNPKTKKLNLSAFKIVYI
APLKALVQEQVREFQRRLAFLGIKVAELTGDSRLSRKQIDETQVLVSTPEKWDITTRNSNNLAIVELVRLLIIDEIHLLH
DDRGPVLESIVARTFWASKYGQEYPRIIGLSATLPNYEDVGRFLRVPKEGLFYFDSSFRPCPLSQQFCGIKERNSLKKLK
AMNDACYEKVLESINEGNQIIVFVHSRKETSRTATWLKNKFAEENITHKLTKNDAGSKQILKTEAANVLDPSLRKLIESG
IGTHHAGLTRSDRSLSEDLFADGLLQVLVCTATLAWGVNLPAHTVIIKGTDVYSPEKGSWEQLSPQDVLQMLGRAGRPRY
DTFGEGIIITDQSNVQYYLSVLNQQLPIESQFVSKLVDNLNAEVVAGNIKCRNDAVNWLAYTYLYVRMLASPMLYKVPDI
SSDGQLKKFRESLVHSALCILKEQELVLYDAENDVIEATDLGNIASSFYINHASMDVYNRELDEHTTQIDLFRIFSMSEE
FKYVSVRYEEKRELKQLLEKAPIPIREDIDDPLAKVNVLLQSYFSQLKFEGFALNSDIVFIHQNAGRLLRAMFEICLKRG
WGHPTRMLLNLCKSATTKMWPTNCPLRQFKTCPVEVIKRLEASTVPWGDYLQLETPAEVGRAIRSEKYGKQVYDLLKRFP
KMSVTCNAQPITRSVMRFNIEIIADWIWDMNVHGSLEPFLLMLEDTDGDSILYYDVLFITPDIVGHEFTLSFTYELKQHN
QNNLPPNFFLTLISENWWHSEFEIPVSFNGFKLPKKFPPPTPLLENISISTSELGNDDFSEVFEFKTFNKIQSQVFESLY
NSNDSVFVGSGKGTGKTAMAELALLNHWRQNKGRAVYINPSGEKIDFLLSDWNKRFSHLAGGKIINKLGNDPSLNLKLLA
KSHVLLATPVQFELLSRRWRQRKNIQSLELMIYDDAHEISQGVYGAVYETLISRMIFIATQLEKKIRFVCLSNCLANARD
FGEWAGMTKSNIYNFSPSERIEPLEINIQSFKDVEHISFNFSMLQMAFEASAAAAGNRNSSSVFLPSRKDCMEVASAFMK
FSKAIEWDMLNVEEEQIVPYIEKLTDGHLRAPLKHGVGILYKGMASNDERIVKRLYEYGAVSVLLISKDCSAFACKTDEV
IILGTNLYDGAEHKYMPYTINELLEMVGLASGNDSMAGKVLILTSHNMKAYYKKFLIEPLPTESYLQYIIHDTLNNEIAN
SIIQSKQDCVDWFTYSYFYRRIHVNPSYYGVRDTSPHGISVFLSNLVETCLNDLVESSFIEIDDTEAEVTAEVNGGDDEA
TEIISTLSNGLIASHYGVSFFTIQSFVSSLSNTSTLKNMLYVLSTAVEFESVPLRKGDRALLVKLSKRLPLRFPEHTSSG
SVSFKVFLLLQAYFSRLELPVDFQNDLKDILEKVVPLINVVVDILSANGYLNATTAMDLAQMLIQGVWDVDNPLRQIPHF
NNKILEKCKEINVETVYDIMALEDEERDEILTLTDSQLAQVAAFVNNYPNVELTYSLNNSDSLISGVKQKITIQLTRDVE
PENLQVTSEKYPFDKLESWWLVLGEVSKKELYAIKKVTLNKETQQYELEFDTPTSGKHNLTIWCVCDSYLDADKELSFEI
NVK</string>
                    <external_references type="UNIPROTKB">P32639</external_references>
                </sequence>
                <ec_number>3.6.4.13</ec_number>
            </protein_or_peptide>
        </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">0.2</concentration>
                    <buffer>
                        <ph>7.9</ph>
                        <component>
                            <concentration units="mM">1.0</concentration>
                            <name>DTT</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <mesh>400</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>CONTINUOUS</film_topology>
                            <film_thickness>6.0</film_thickness>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">70</time>
                            <atmosphere>OTHER</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</instrument>
                        <details>Grids were blotted at 4 deg C for 2 seconds before plunging.. </details>
                    </vitrification>
                    <details>3.5 microlitre of sample was applied to grid.</details>
                </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>
                    <nominal_cs units="mm">2.0</nominal_cs>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">3.5</nominal_defocus_max>
                    <nominal_magnification>81000.0</nominal_magnification>
                    <calibrated_magnification>35714.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <specialist_optics>
                        <energy_filter>
                            <name>GIF Quantum</name>
                        </energy_filter>
                    </specialist_optics>
                    <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>
                            <digitization_details>
                                <frames_per_image>1-20</frames_per_image>
                            </digitization_details>
                            <number_real_images>2477</number_real_images>
                            <average_exposure_time units="s">16.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">38.0</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>473827</number_selected>
                </particle_selection>
                <startup_model type_of_model="EMDB MAP">
                    <emdb_id>EMD-2966</emdb_id>
                    <details>Low pass filtered startup model to 60 Angstroms.</details>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>1</number_classes_used>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">3.6</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>1.4</version>
                        </software>
                    </software_list>
                    <number_images_used>140155</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>RANDOM ASSIGNMENT</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>OTHER</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="219489">
        <file>emd_8014.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>380</col>
            <row>380</row>
            <sec>380</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>380</x>
            <y>380</y>
            <z>380</z>
        </spacing>
        <cell>
            <a units="Å">543.39996</a>
            <b units="Å">543.39996</b>
            <c units="Å">543.39996</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>-0.2323884</minimum>
            <maximum>0.32634056</maximum>
            <average>-0.0001666498</average>
            <std>0.0078094634</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.43</x>
            <y units="Å">1.43</y>
            <z units="Å">1.43</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.02</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-8014::::</label>
        <annotation_details>Central region of the U4/U6.U5 tri-snRNP comprising Prp8, Dib1, Prp31, Prp6, Prp4, Prp3, Snu13, U4 snRNA and U6 snRNA</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <refinement_protocol>AB INITIO MODEL</refinement_protocol>
                <refinement_space>RECIPROCAL</refinement_space>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
