Prespliceosome structure provides insight into spliceosome assembly and regulation (map A2)

2024-10-23 REL PDBe PDBe PDBe 2018-04-10 2018-05-23 2018-08-22 2024-10-23 Medical Research Council (United Kingdom) MC_U105184330 United Kingdom European Research Council 693087 - SPLICE3D United Kingdom Prespliceosome structure provides insight into spliceosome assembly and regulation (map A2) Plaschka C Lin P-C Spliceosome, A complex, RNA processing, RNA-protein complex, SPLICING Plaschka C Lin PC Charenton C Nagai K Prespliceosome structure provides insights into spliceosome assembly and regulation. Nature UK 559 419 422 2018 29995849 doi:10.1038/s41586-018-0323-8 1476-4687 0006 NATUAS 6g90 FULLOVERLAP Prespliceosome A complex Prespliceosome A complex 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Saccharomyces cerevisiae 1.8 U1 snRNA,U1 snRNA,U1 snRNA,U1 snRNA,U1 snRNA Saccharomyces cerevisiae 0.126116875 1 AUAC(PSU)(PSU)ACCUUAAGAUAUCAGAGGAGAUCAAGAAGUCCUACUGAUCAAACAUGCGCUUCCAAUAGUAGAAGG ACGUUAAGCAUUUAUCAUUGAACUAUAAUUGUUCAUUGAAGUCAUUGAUGCAAACUCCUUGGUCACACACACAUACGGCG CGGAAGGCGUGUUUGCUGACGUUUCCAUUCCCUUGUUUCAAUCAUUGGUUAAUCCCUUGAUUCCUUUGGGGAUUUUUGGG UUAAACUGAUUUUUGGGGCCCUUUGUUUCUUCUGCCUGGAGAAGUUUGACACCAAAUUCAAAUUGGUGUUAGGGGAGCUG GGGCCUUUCAAAA(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N) (N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)(N)UUUUGGAAGGUCUUGGUCGGGUGGAUCUUAUAAUUUUUGAUUUA UUUU CP008606.1 U2 snRNA Saccharomyces cerevisiae 0.045762836 1 AAGUG(PSU)AGUAUC(PSU)G(PSU)UCUUUUCAGUGUAACAACUGAAAUGACCUAGGCUCAUACACAUUUUUUGGCAG GACGGGAAGAGGAGACGUCGCGACCCUCGCAGAGUCGUUCUUGACUUGGUCGCUUGAUGUUUCUUCUUCCCGUUC Z36099.1 U1 small nuclear ribonucleoprotein A,U1 small nuclear ribonucleoprotein A,U1 small nuclear ribonucleoprotein A,U1 small nuclear ribonucleoprotein A,U1 small nuclear ribonucleoprotein A Saccharomyces cerevisiae 0.033754167999999994 1 LEVO MSALYFQNLPSRPANKENYTRLLLKHINPNNKYAINPSLPLPHNKLQISSQPLMLLDDQMGLLEVSISRSSKMTNQAFLT FVTQEEADRFLEKYTTTALKVQGRKVRMGKARTNSLLG(UNK)(UNK)(UNK)(UNK)(UNK)QKKKGNDETY(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)KLRSDDICAK KFRLKRQIRRLKHKLRSRKVEEAEIDRIVKEFETRRLENMKSQQENLKQSQKPLKRAKVSNTMENPPNKVLLIQNLPSGT TEQLLSQILGNEALVEIRLVSVRNLAFVEYETVADATKIKNQLGSTYKLQNNDVTIGFAK P32605 P32605 U1 small nuclear ribonucleoprotein 70 kDa homolog,U1 small nuclear ribonucleoprotein 70 kDa homolog,U1 small nuclear ribonucleoprotein 70 kDa homolog Saccharomyces cerevisiae 0.033445242 1 LEVO MNYNLSKYPDDVSRLFKPRPPLSYKRPTDYPYAKRQTNPNITGVANLLSTSLKHYME(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)LQNWNPNVDPHIKDTDPYRTIFIGR LPYDLDEIELQKYFVKFGEIEKIRIVKDKITQKSKGYAFIVFKDPISSKMAFKEIGVHRGIQIKDRICIVDIERGRTVKY FKPRRLGGGLGGRGYSNRDSRLPGRFASASTSNPAERNYAPRLPRRETSSSAYSADRYGSSTLDARYRGNRPLLSAATPT AAVTSVYKSRNSRTRESQPAPKEAPDY Q00916 Q00916 U1 small nuclear ribonucleoprotein C Saccharomyces cerevisiae 0.027106015999999997 1 LEVO MTRYYCEYCHSYLTHDTLSVRKSHLVGKNHLRITADYYRNKARDIINKHNHKRRHIGKRGRKERENSSQNETLKVTCLSN KEKRHIMHVKKMNQKELAQTSIDTLKLLYDGSPGYSKVFVDANRFDIGDLVKASKLPQRANEKSAHHSFKQTSRSRDETC ESNPFPRLNNPKKLEPPKILSQWSNTIPKTSIFYSVDILQTTIKESKKRMHSDGIRKPSSANGYKRRRYGN Q05900 Pre-mRNA-processing factor 39 Saccharomyces cerevisiae 0.074834742 1 LEVO MPDETNFTIEDIEPRPDALRGLDTQFLQDNTALVQAYRGLDWSDISSLTQMVDVIEQTVVKYGNPNDSIKLALETILWQI LRKYPLLFGFWKRFATIEYQLFGLKKSIAVLATSVKWFPTSLELWCDYLNVLCVNNPNETDFIRNNFEIAKDLIGKQFLS HPFWDKFIEFEVGQKNWHNVQRIYEYIIEVPLHQYARFFTSYKKFLNEKNLKTTRNIDIVLRKTQTTVNEIWQFESKIKQ PFFNLGQVLNDDLENWSRYLKFVTDPSKSLDKEFVMSVFDRCLIPCLYHENTWMMYIKWLTKKNISDEVVVDIYQKANTF LPLDFKTLRYDFLRFLKRKYRSNNTLFNNIFNETVSRYLKIWPNDILLMTEYLCMLKRHSFKNSLDQSPKEILEKQTSFT KILETSITNYINNQIDAKVHLQTLINDKNLSIVVVELIKTTWLVLKNNMQTRKYFNLYQKNILIKNSVPFWLTYYKFEKS NVNFTKLNKFIRELGVEIYLPTTVMNDILTDYKTFYLTHSNIVTYESSIIDSNTFDPILYPELKMSNPKYDPVLNTTANV DWHKKTEWKEAGHIGITTERPQISNSIIECNSGTLIQKPISLPNFRNLEKINQVKINDLYTEEFLKEGK P39682 U1 small nuclear ribonucleoprotein component PRP42 Saccharomyces cerevisiae 0.06522201999999999 1 LEVO MDKYTALIHDENFSTLTLNVSRYPKSLAYWEKLLNYIVKASAPICKSTEPQLLKLIRCTYSSMLNEFPYLENYYIDFALL EYKLGNVSMSHKIFQRGLQAFNQRSLLLWTSYLKFCNNVISHQKQLFKKYETAEEYVGLHFFSGEFWDLYLEQISSRCTS SKKYWNVLRKILEIPLHSFSKFYALWLQRIDDIMDLKQLSQLTSKDELLKKLKIDINYSGRKGPYLQDAKKKLKKITKEM YMVVQYQVLEIYSIFESKIYINYYTSPETLVSSDEIETWIKYLDYTITLQTDSLTHLNFQRALLPLAHYDLVWIKYSKWL INSKNDLLGAKNVLLMGLKFSLKKTEIIKLLYSVICKLNEYVLLRNLLEKIESSYSDNVENVDDFEIFWDYLQFKTFCQN SLYSSRYSDSQSNGLLNKELFDKVWKRLSCKEKKSGQEILLNNLVQFYSKDTVEFVEKNIFQKIIEFGWEYYLQNGMFWN CYCRLIYFDTSRSYLDKRQYIVRKIWPQIDKKFAQSVLPSLTEFCESYFPEEMDTLEEMFTEEP Q03776 Protein NAM8 Saccharomyces cerevisiae 0.05701083999999999 1 LEVO MSYKQTTYYPSRGNLVRNDSSPYTNTISSETNNSSTSVLSLQGASNVSLGTTGNQLYMGDLDPTWDKNTVRQIWASLGEA NINVRMMWNNTLNNGSRSSMGPKNNQGYCFVDFPSSTHAANALLKNGMLIPNFPNKKLKLNWATSSYSNSNNSLNNVKSG NNCSIFVGDLAPNVTESQLFELFINRYASTSHAKIVHDQVTGMSKGYGFVKFTNSDEQQLALSEMQGVFLNGRAIKVGPT SGQQQHVSGNNDYNRSSSSLNNENVDSRFLSKGQSFLSNGNNNMGFKRNHMSQFIYPVQQQPSLNHFTDPNNTTVFIGGL SSLVTEDELRAYFQPFGTIVYVKIPVGKCCGFVQYVDRLSAEAAIAGMQGFPIANSRVRLSWGRSAKQTALLQQAMLSNS LQVQQQQPGLQQPNYGYIPSSTCEAPVLPDNNVSSTMLPGCQILNYSNPYANANGLGSNNFSFYSNNNATNTQATSLLAD TSSMDLSGTGGQQVIMQGSEAVVNSTNAMLNRLEQGSNGFMFA Q00539 56 kDa U1 small nuclear ribonucleoprotein component Saccharomyces cerevisiae 0.056575277 1 LEVO MRPRRRGLAYHHTKPKGQLSQGHYPTTSNDGQRRKVGNSEAFQSFDIWKNLDRIRSTKKNAGQFIKGSLLILPMRTEDKQ QFDECMDELHKYISKDILRCYPQKEQKDEGMLFYIVLKDFNILDSCFVLSVLLAFQKRLWMAPSEKSYFRVPKNINLTGS FYLPKNIETGRGHIITSYRREQPSSSIVEVGFNVVPDFQQFQVKACHVSKFMNELSNFFSQVEFGKCEANVINYFKREYN RTYSQISLALYELPLIGDGLFDIKSYISKTRPIIETSKAQMIKHISEMKAYNEISGLQGDQFPRQQRPLSNSPSSNSISS SQTIEAGATSYQTQPQRHAVNKPSNVLNSSNRHSGPKTFEDGRYSEGNKPGFMTQDEIKQHCIGTIKASMDAVKKKSSYQ ILKTYVRCPRQNYIDIVYQNLNDLRSKTNCNIVVLNLNNLHESQMWLESLNTTNYTIFAQAPHPSTIRVISIGGVGEYIV KALELILNILEH Q03782 Protein LUC7,Protein LUC7,Protein LUC7 Saccharomyces cerevisiae 0.028504294999999995 1 LEVO MSTMSTPAAEQRKLVEQLMGRDFSFRHNRYSHQKRDLGLHDPKICKSYLVGECPYDLFQGTKQSLGKCPQMHLTKHKIQY ERVEKQGKTF(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)GQEIDSLIRADEVSMGMLQSVKLQELISKR KEVAKRVRNITENVGQSAQQKLQVCEVCGAYLSRLDTDRRLADHFLGKIHLGYVKMREDYDRLMKNNRTTNASKTATTLP GRRFV Q07508 Yeast UBC4 pre-mRNA (mutant) Saccharomyces cerevisiae 0.012045173 1 AGGUAUGUCUAACUUCUCUUAUUUACAAACAAAAUCAA U1 small nuclear ribonucleoprotein component SNU71 Saccharomyces cerevisiae 0.07148455499999999 1 LEVO MRDIVFVSPQLYLSSQEGWKSDSAKSGFIPILKNDLQRFQDSLKHIVDARNSLSETLLNSNDDGSIHNSDQNTGLNKDKE ASIADNNSANKCATSSSRYQELKQFLPISLDQQIHTVSLQGVSSSFSRGQIESLLDHCLNLALTETQSNSALKVEAWSSF SSFLDTQDIFIRFSKVDEDEAFVNTLNYCKALFAFIRKLHEDFKIELHLDLNTKEYVEDRTGTIPSVKPEKASEFYSVFK NIEDQTDERNSKKEQLDDSSTQYKVDTNTLSDLPSDALDQLCKDIIEFRTKVVSIEKEKKMKSTYEESRRQRHQMQKVFD QIRKNHSGAKGSANTEEEDTNMEDEDEEDDTEDDLALEKRKEERDLEESNRRYEDMLHQLHSNTEPKIKSIRADIMSAEN YEEHLEKNRSLYLKELLHLANDVHYDHHRSFKEQEERRDEEDRAKNGNAKELAPIQLSDGKAISAGKAAAITLPEGTVKS ENYNADKNVSESSEHVKIKFDFKKAIDHSVESSSEDEGYRESELPPTKPSERSAAEDRLPFTADELNIRLTNLKESRYVD ELVREFLGVYEDELVEYILENIRVNQSKQALLNELRETFDEDGETIADRLWSRKEFRLGT P53207 U2 snRNP component HSH155 Saccharomyces cerevisiae 0.11016667200000001 1 LEVO MSHPIQFVNANNSDKSHQLGGQYSIPQDLRENLQKEAARIGENEKDVLQEKMETRTVQNREDSYHKRRFDMKFEPDSDTQ TVTSSENTQDAVVPRKRKSRWDVKGYEPPDESSTAVKENSDSALVNVEGIHDLMFFKPSDHKYFADVISKKPIDELNKDE KKERTLSMLLLKIKNGNTASRRTSMRILTDKAVTFGPEMIFNRLLPILLDRSLEDQERHLMIKTIDRVLYQLGDLTKPYV HKILVVAAPLLIDEDPMVRSTGQEIITNLSTVAGLKTILTVMRPDIENEDEYVRNVTSRAAAVVAKALGVNQLLPFINAA CHSRKSWKARHTGIKIVQQIGILLGIGVLNHLTGLMSCIKDCLMDDHVPVRIVTAHTLSTLAENSYPYGIEVFNVVLEPL WKGIRSHRGKVLSSFLKAVGSMIPLMDPEYAGYYTTEAMRIIRREFDSPDDEMKKTILLVLQKCSAVESITPKFLREEIA PEFFQKFWVRRVALDRPLNKVVTYTTVTLAKKLGCSYTIDKLLTPLRDEAEPFRTMAVHAVTRTVNLLGTADLDERLETR LIDALLIAFQEQTNSDSIIFKGFGAVTVSLDIRMKPFLAPIVSTILNHLKHKTPLVRQHAADLCAILIPVIKNCHEFEML NKLNIILYESLGEVYPEVLGSIINAMYCITSVMDLDKLQPPINQILPTLTPILRNKHRKVEVNTIKFVGLIGKLAPTYAP PKEWMRICFELLELLKSTNKEIRRSANATFGFIAEAIGPHDVLVALLNNLKVQERQLRVCTAVAIGIVAKVCGPYNVLPV IMNEYTTPETNVQNGVLKAMSFMFEYIGNMSKDYIYFITPLLEDALTDRDLVHRQTASNVITHLALNCSGTGHEDAFIHL MNLLIPNIFETSPHAIMRILEGLEALSQALGPGLFMNYIWAGLFHPAKNVRKAFWRVYNNMYVMYQDAMVPFYPVTPDNN EEYIEELDLVL P49955 Pre-mRNA-splicing factor RSE1 Saccharomyces cerevisiae 0.153956781 1 LEVO MWGGGKMAVVSLSPHTAKMRKLFGQASTTMAYDGLKREAERRTRSDHNITMVAKDDELYLYHLTLKKQTNFVHSCIGHFV DLEAGSKREQSQLCVATETHLELYDTADGELKLIAKFQNLFATITSMKSLDLPHSGSRAKASNWPTFLALTSDSGNLSIV QIIMHAGALRLKTLVNQPLTRTTLRRVSPISYMEIDPNGRCIILSSVEQNKLCFLVDYAQKLRISSPLEIIRPHMVTLDM AVVDVNFNNPCFVTLEIDNAATQLSVHLIFYVLELGLNHIVKKADYLVNPSANFVLSLPDLSRYNITTSLSDNNYDADYD TLFNPFVVIGFENHILVKDMNGFFSLKVEIPKRSITNSRHKNVTIISGIVQKLKNDFFVLLQSNHGDLFKLTVSPDTNDR NRPLVQLSYFDTIQNSHQLHIFKNGYLFALSEMNNNFLFQFEKLGVEKNDFSNVLTSKDPNKSLVFEPSIKLQNLSILSQ QLNLNPSIKSQIVSDSPLSIATKHFTNNKIITLTNAVNYSNLISTSLPPNATKLWLIPDPATTGDNNTLLFITFPKKTMI LQIDNESMEELTPDEATRSAFKLSQDTTIHTCLMGSHSIIQVCTAELRHIVPTGKSRYSNKLTWVPPAGIRIVCATSSKT QLIISLSNYELVYFKIDVSSDSLIELTTHPELDTMPSKVAIVQDTQHADLLAIADNEGMIKIMSLKDQKEDFLTVISLQL VSEKISDMIMVRDSSIGQLNLHVGLENGVYMKFHIGDVDGSFTDIKRRFLGLKPVSLSYLREISVSLNNEEEEEEEEDDD DEKEEEEINSSGAKWMSCVVCHSSSTWVSYTWKNVWTIRQLKDQNMLSCSKFVNADVAINGVCSISSSGRLNIGRVSNFP TLDNWFHVHESSVNKQENGGGDESNEEEEDEMEEEMEMLQISTFRPRTILSFPNNPKSILFIDNHSGKKQCRISLQIDGE CLKFGSSDHLYKILDDIDCVSAAIIDFTRQADHLIICAGDKRLLTYKILVNKDKLSFDIELLHQTEIISPIHAMLKFKNF LLTAMGSTIVLYGLGKKQLLRRSVTQTPVSITKIVSMHQWNYERLAVGDIHESVTLFIWDPAGNVFIPYVDDSVKRHVTV LKFLDEATVIGADRYGNAWTLRSPPECEKIMSNHDPSELSNGAIKYPLDVITLQQKLPNTYDCKFKFQLLNHFFVNDIIT DFHILDSLSNSDRPGCIYMGLQGTVGCFIPLLSKGNVFMMGNIENIMAEADDTFYLDYESRKKNNNMRKEDDEEESGSVV LQGRHGIEDEIICEGSCSILGRDHQEYRSYYAPVRKVIDGDLCENFLRLSLNEQEFLAKNLKSVQVEDIIQTINEVRTNY M Q04693 Cold sensitive U2 snRNA suppressor 1 Saccharomyces cerevisiae 0.050210699 1 LEVO MARTKSRKRSGNNQNKNASVVNNKAEIAAMIDARRLEQKKKGGVTNSKGKTNKVVDAKLEKEFKDVLQRFQVQENDTPKE ITKDEKNNHVVIVEKNPVMNRKHTAEDELEDTPSDGIEEHLSARKRRKTEKPSLSQLKSQVPYPQIIEWYDCDARYPGLL ASIKCTKNVIPVPSHWQSKKEYLSGRSLLGKRPFELPDIIKKTNIEQMRSTLPQSGLDGQDEKSLKEASRARVQPKMGAL DLDYKKLHDVFFKIGANWKPDHLLCFGDVYYENRNLFEETNWKRMVDHKRPGRISQELRAIMNLPEGQLPPWCMKMKDIG LPTGYPDLKIAGLNWDITNLKGDVYGKIIPNHHSRSKKQGRNYFGALISFETPEFENSKEDTQANAENGRQDDKIDDEVE HKLDHFQEDISEVTSAEEKLERNEEESEKQLYTVL Q02554 Protein HSH49 Saccharomyces cerevisiae 0.024534151999999997 1 LEVO MNYSADSGNTVYVGNIDPRITKEQLYELFIQINPVLRIKYPKDKVLQAYQGYAFIEFYNQGDAQYAIKIMNNTVRLYDRL IKVRQVTNSTGTTNLPSNISKDMILPIAKLFIKNLADSIDSDQLVKIFNKFGKLIREPEIFYLSNGKLKCAYVYFEDFEK ADLAIKSLNNQLVANNRITVDYAFKENGKGNAKYGDDVDRLLNKEALKHNMLK Q99181 Pre-mRNA-splicing factor RDS3 Saccharomyces cerevisiae 0.012283572999999999 1 LEVO MSRHQFDLIMCLKQPGVQTGLLCEKCDGKCPICDSYVRPKRKVRVCENCSFGKQAKNCIICNLNVGVNDAFYCWECCRLG KDKDGCPRILNLGSNRLDRHFEKKKKV Q06835 Pre-mRNA-splicing factor PRP9 Saccharomyces cerevisiae 0.063126445 1 LEVO MNLLETRRSLLEEMEIIENAIAERIQRNPELYYHYIQESSKVFPDTKLPRSSLIAENKIYKFKKVKRKRKQIILQQHEIN IFLRDYQEKQQTFNKINRPEETQEDDKDLPNFERKLQQLEKELKNEDENFELDINSKKDKYALFSSSSDPSRRTNILSDR ARDLDLNEIFTRDEQYGEYMELEQFHSLWLNVIKRGDCSLLQFLDILELFLDDEKYLLTPPMDRKNDRYMAFLLKLSKYV ETFFFKSYALLDAAAVENLIKSDFEHSYCRGSLRSEAKGIYCPFCSRWFKTSSVFESHLVGKIHKKNESKRRNFVYSEYK LHRYLKYLNDEFSRTRSFVERKLAFTANERMAEMDILTQKYEAPAYDSTEKEGAEQVDGEQRDGQLQEEHLSGKSFDMPL GPDGLPMPYWLYKLHGLDREYRCEICSNKVYNGRRTFERHFNEERHIYHLRCLGIEPSSVFKGITKIKEAQELWKNMQGQ SQLTSIAAVPPKPNPSQLKVPTELELEEEDEEGNVMSKKVYDELKKQGLV P19736 Pre-mRNA-splicing factor PRP11,Pre-mRNA-splicing factor PRP11,Pre-mRNA-splicing factor PRP11 Saccharomyces cerevisiae 0.02929223 1 LEVO MNYLEGVGSKKGGGGIASESQFNLQRRKEVESLLSKGENVPYTFQDEKDDQVRSNPYIYKNHSGKLVCKLCNTMHMSWSS VERHLGGKKHGLNVLRRGISIEKSSLGREGQTTH(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)VCKIATVKNPKNGSV GLAIQVNYSSEVKENSVDSDDKAKVPPLIRIVSGLELSDTKQKGKKFLVIAYEPFENIAIELPPNEILFSENNDMDNNND GVDELNKKCTFWDAISKLYYVQFFFKQAEQEQADV Q07350 Q07350 Pre-mRNA-splicing factor PRP21 Saccharomyces cerevisiae 0.033111512 1 LEVO MEPEDTQLKEDIKTTVNYIKQHGVEFENKLLEDERFSFIKKDDPLHEYYTKLMNEPTDTVSGEDNDRKSEREIARPPDFL FSQYDTGISRRDMEVIKLTARYYAKDKSIVEQMISKDGEARLNFMNSSHPLHKTFTDFVAQYKRVYSFTGQEIKKSKRTI LDNCFERTQYWEFEKDKDREHDKLVELCKIQFAAIPWDKFTQVAKFSIPEDTEIFEGSLDLEQMRLRRVQTGIKLFDSIK PTNEEEKIVSDQGKQKGGDSKGKKRKIRAVGETRLKKSKK P32524 U2 small nuclear ribonucleoprotein A' Saccharomyces cerevisiae 0.027232252 1 LEVO MKFTPSIVIDAPQYYVDHFNGKYNVDKCVILRDLQLETDSESMPSSLKHLTKPTHILDLTNNDLIMIPDLSRRDDIHTLL LGRNNIVEVDGRLLPMNVQNLTLSNNSIRRFEDLQRLRRAPRTLKNLTLIGNQVCHLANYREHVLRLVPHLETLDFQNVT AEERKSAMSFPRQADGDTLGPVNTAIRDNGSRDKTMEIMNLVVSKMTVERRNELKKQLAEATSLEEIARLEKLLSGGV Q08963 Unknown Saccharomyces cerevisiae 0.004358363999999999 1 LEVO (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) U2 small nuclear ribonucleoprotein B'' Saccharomyces cerevisiae 0.012850944 1 LEVO MVEPARKKQRIDRDTHHTVAEPVTEAKNTLYVSQLNEKINMQRLRVNLFLLFATFGEVLKVSMNFKKQRGQAFITMRTID QASLAQISLNGERFFGKPLKVEFSKSETKTL P40567 RDS3 complex subunit 10 Saccharomyces cerevisiae 0.010045400999999999 1 LEVO MAEKQRQLKLQKIYKQKYIGLGDESTTREQWQRNVRNDTLNTLQGHSASLEYVSLSRGDLSIRDTRIHLLKSMSPGYKAY LREER P0C074 Small nuclear ribonucleoprotein-associated protein B Saccharomyces cerevisiae 0.02242699 2 LEVO MSKIQVAHSSRLANLIDYKLRVLTQDGRVYIGQLMAFDKHMNLVLNECIEERVPKTQLDKLRPRKDSKDGTTLNIKVEKR VLGLTILRGEQILSTVVEDKPLLSKKERLVRDKKEKKQAQKQTKLRKEKEKKPGKIAKPNTANAKHTSSNSREIAQPSSS RYNGGNDNIGANRSRFNNEAPPQTRKFQPPPGFKRK P40018 Small nuclear ribonucleoprotein Sm D3 Saccharomyces cerevisiae 0.011240138999999998 2 LEVO MTMNGIPVKLLNEAQGHIVSLELTTGATYRGKLVESEDSMNVQLRDVIATEPQGAVTHMDQIFVRGSQIKFIVVPDLLKN APLFKKNSSRPMPPIRGPKRR P43321 Small nuclear ribonucleoprotein E Saccharomyces cerevisiae 0.010385097999999999 2 LEVO MSNKVKTKAMVPPINCIFNFLQQQTPVTIWLFEQIGIRIKGKIVGFDEFMNVVIDEAVEIPVNSADGKEDVEKGTPLGKI LLKGDNITLITSAD Q12330 Small nuclear ribonucleoprotein F Saccharomyces cerevisiae 0.009669945 2 LEVO MSESSDISAMQPVNPKPFLKGLVNHRVGVKLKFNSTEYRGTLVSTDNYFNLQLNEAEEFVAGVSHGTLGEIFIRCNNVLY IRELPN P54999 Small nuclear ribonucleoprotein G Saccharomyces cerevisiae 0.008490808999999998 2 LEVO MVSTPELKKYMDKKILLNINGSRKVAGILRGYDIFLNVVLDDAMEINGEDPANNHQLGLQTVIRGNSIISLEALDAI P40204 Small nuclear ribonucleoprotein Sm D1 Saccharomyces cerevisiae 0.016296798 2 LEVO MKLVNFLKKLRNEQVTIELKNGTTVWGTLQSVSPQMNAILTDVKLTLPQPRLNKLNSNGIAMASLYLTGGQQPTASDNIA SLQYINIRGNTIRQIILPDSLNLDSLLVDQKQLNSLRRSGQIANDPSKKRRRDFGAPANKRPRRGL Q02260 Small nuclear ribonucleoprotein Sm D2 Saccharomyces cerevisiae 0.012876066 2 LEVO MSSQIIDRPKHELSRAELEELEEFEFKHGPMSLINDAMVTRTPVIISLRNNHKIIARVKAFDRHCNMVLENVKELWTEKK GKNVINRERFISKLFLRGDSVIVVLKTPVE Q06217 ZINC ION 6.5409e-05 9 ZN singleParticle particle 0.4 7.9 20.0 HEPES HEPES pH 7.9 50.0 KCl 1.0 Glycerol 2.0 MgCl2 0.001 NP-40 1.0 DTT Quantifoil R2/2 COPPER 400 CARBON HOLEY GLOW DISCHARGE 20 ETHANE 100 FEI VITROBOT MARK III

Grids were blotted for 2-3.5 s and vitrified by plunging into liquid ethane with a FEI Vitrobot Mark III operated at 4 degree Celsius and 100% humidity..

FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 105000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GATAN K2 SUMMIT (4k x 4k) COUNTING 9407 43.0 1

The initial model was generated from 22319 particles using cryoSPARC.

C1 4.0 FSC 0.143 CUT-OFF RELION 2.1 153556 PROJECTION MATCHING PROJECTION MATCHING RELION 2.1 emd_4364.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 560 560 560 0 0 0 560 560 560 632.8 632.8 632.8 90.0 90.0 90.0 X Y Z -0.082993165 0.15227827 0.00019347433 0.0033414946 1.13 1.13 1.13 0.0369 AUTHOR ::::EMDATABANK.org::::EMD-4364:::: Sharpened A2 map REAL emd_4364_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 560 560 560 0 0 0 560 560 560 632.8 632.8 632.8 90.0 90.0 90.0 X Y Z -0.013707396 0.0778521 0.00019347433 0.002125935 1.13 1.13 1.13 AUTHOR ::::EMDATABANK.org::::EMD-4364:::: Unsharpened A2 map