2026-09-23 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY EXPERIMENTAL_SUMMARY citation citation_author em_admin _citation.page_first _citation.page_last _citation_author.identifier_ORCID _em_admin.last_update EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update DATA_COLLECTION em_admin _em_admin.last_update RCSB RCSB 2025-03-08 2025-06-18 2025-06-18 2026-09-23 National Science Foundation (NSF, United States) MCB-1907273 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01-GM132302 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R35-GM151957 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01-GM136936 United States Other government University of Illinois Startup Funds Welch Foundation H-2032-20230405 United States Aleksandrova EV Syroegin EA Basu RS Vassilevski AA Gagnon MG Polikanov YS Translation termination; peptide release; release factor; hydrolysis; peptidyl-tRNA; 70S ribosome; cryo-EM; pre-termination state; peptidyl transferase center, RIBOSOME Aleksandrova EV Syroegin EA Basu RS Vassilevski AA Gagnon MG Polikanov YS Science US 388 eads9030 eads9030 2025 40536958 doi:10.1126/science.ads9030 1095-9203 0038 SCIEAS 9no7 FULLOVERLAP EMDB EMD-49594 associated EM volume

Cryo-EM structure of the wild-type Thermus thermophilus 70S ribosome in complex with mRNA, A-site Q230-N5-methylated Release Factor 1, and P-site 2'-deoxy-A76-fMEAAAKC-peptidyl-tRNAcys at 2.13A resolution

Thermus thermophilus 70S ribosome in complex with mRNA, A-site Q230-N5-methylated Release Factor 1, and P-site 2'-deoxy-A76-fMEAAAKC-peptidyl-tRNAcys Thermus thermophilus 70S ribosome in complex with mRNA, A-site Q230-N5-methylated Release Factor 1, and P-site 2'-deoxy-A76-fMEAAAKC-peptidyl-tRNAcys 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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 Thermus thermophilus HB8 23S Ribosomal RNA Thermus thermophilus HB8 0.948007562 1 GUCAAGAUGGUAAGGGCCCACGGUGGAUGCCUCGGCACCCGAGCCGAUGAAGGACGUGGCUACCUGCGAUAAGCCAGGGG GAGCCGGUAGCGGGCGUGGAUCCCUGGAUGUCCGAAUGGGGGAACCCGGCCGGCGGGAACGCCGGUCACCGCGCUUUUGC GCGGGGGGAACCUGGGGAACUGAAACAUCUCAGUACCCAGAGGAGAGGAAAGAGAAAUCGACUCCCUGAGUAGCGGCGAG CGAAAGGGGACCAGCCUAAACCGUCCGGCUUGUCCGGGCGGGGUCGUGGGGCCCUCGGACACCGAAUCCCCAGCCUAGCC GAAGCUGUUGGGAAGCAGCGCCAGAGAGGGUGAAAGCCCCGUAGGCGAAAGGUGGGGGGAUAGGUGAGGGUACCCGAGUA CCCCGUGGUUCGUGGAGCCAUGGGGGAAUCUGGGCGGACCACCGCCUAAGGCUAAGUACUCCGGGUGACCGAUAGCGCAC CAGUACCGUGAGGGAAAGGUGAAAAGAACCCCGGGAGGGGAGUGAAAUAGAGCCUGAAACCGUGGGCUUACAAGCAGUCA CGGCCCCGCAAGGGGUUGUGGCGUGCCUAUUGAAGCAUGAGCCGGCGACUCACGGUCGUGGGCGAGCUUAAGCCGUUGAG GCGGAGGCGUAGGGAAACCGAGUCCGAACAGGGCGCAAGCGGGCCGCACGCGGCCCGCAAAGUCCGCGGCCGUGGACCCG AAACCGGGCGAGCUAGCCCUGGCCAGGGUGAAGCUGGGGUGAGACCCAGUGGAGGCCCGAACCGGUGGGGGAUGCAAACC CCUCGGAUGAGCUGGGGCUAGGAGUGAAAAGCUAACCGAGCCCGGAGAUAGCUGGUUCUCCCCGAAAUGACUUUAGGGUC AGCCUCAGGCGCUGACUGGGGCCUGUAGAGCACUGAUAGGGCUAGGGGGCCCACCAGCCUACCAAACCCUGUCAAACUCC GAAGGGUCCCAGGUGGAGCCUGGGAGUGAGGGCGCGAGCGAUAACGUCCGCGUCCGAGCGCGGGAACAACCGAGACCGCC AGCUAAGGCCCCCAAGUCUGGGCUAAGUGGUAAAGGAUGUGGCGCCGCGAAGACAGCCAGGAGGUUGGCUUAGAAGCAGC CAUCCUUUAAAGAGUGCGUAAUAGCUCACUGGUCGAGUGGCGCCGCGCCGAAAAUGAUCGGGGCUUAAGCCCAGCGCCGA AGCUGCGGGUCUGGGGGAUGACCCCAGGCGGUAGGGGAGCGUUCCCGAUGCCGAUGAAGGCCGACCCGCGAGGGCGGCUG GAGGUAAGGGAAGUGCGAAUGCCGGCAUGAGUAACGAUAAAGAGGGUGAGAAUCCCUCUCGCCGUAAGCCCAAGGGUUCC UACGCAAUGGUCGUCAGCGUAGGGUUAGGCGGGACCUAAGGUGAAGCCGAAAGGCGUAGCCGAAGGGCAGCCGGUUAAUA UUCCGGCCCUUCCCGCAGGUGCGAUGGGGGGACGCUCUAGGCUAGGGGGACCGGAGCCAUGGACGAGCCCGGCCAGAAGC GCAGGGUGGGAGGUAGGCAAAUCCGCCUCCCAACAAGCUCUGCGUGGUGGGGAAGCCCGUACGGGUGACAACCCCCCGAA GCCAGGGAGCCAAGAAAAGCCUCUAAGCACAACCUGCGGGAACCCGUACCGCAAACCGACACAGGUGGGCGGGUGCAAGA GCACUCAGGCGCGCGGGAGAACCCUCGCCAAGGAACUCUGCAAGUUGGCCCCGUAACUUCGGGAGAAGGGGUGCUCCCUG GGGUGAUGAGCCCCGGGGAGCCGCAGUGAACAGGCUCUGGCGACUGUUUACCAAAAACACAGCUCUCUGCGAACUCGUAA GAGGAGGUAUAGGGAGCGACGCUUGCCCGGUGCCGGAAGGUCAAGGGGAGGGGUGCAAGCCCCGAACCGAAGCCCCGGUG AACGGCGGCCG(PSU)AAC(5MU)A(PSU)AA(OMC)GGUCCUAAGGUAGCGAAA(5MU)UC(5MC)UUGUCGGGUAAGU UCCGAC(5MC)UGCACGAAAAGCGUAACGACCGGAGCGCUGUCUCGGCGAGGGACCCGGUGAAAUUGAACUGGCCGUGAA GAUGCGGCCUACCCGUGGCAGGACGAAAAGACCCCGUGGAGCUUUACUGCAGCCUGGUGUUGGCUCUUGGUCGCGCCUGC GUAGGAUAGGUGGGAGCCUGUGAACCCCCGCCUCCGGGUGGGGGGGAGGCGCCGGUGAAAUACCACCCUGGCGCGGCUGG GGGCCUAACCCUCGGAUGGGGGGACAGCGCUUGGCGGGCAGUUUGACUG(OMG)GGCGGUCGCCUCCUAAAAGGUAACGG AGGCGCCCAAAGGUCCCCUCAGGCGGGACGGAAAUCCGCCGGAGAGCGCAAGGGUAGAAGGGGGCCUGACUGCGAGGCCU GCAAGCCGAGCAGGGGCGAAAGCCGGGCCUAGUGAACCGGUGGUCCCGUGUGGAAGGGCCAUCGAUCAACGGAUAAAAGU UACCCCGGGGAUAACAGGCUGAUCUCCCCCGAGCGUCCACAGCGGCGGGGAGGUUUGGCACCUCG(2MA)UGUCGGCUCG UCGCAUCCUGGGGCUGAAGAAGGUCCCAAGGGUUGGGC(OMU)GUUCGCCCAUUAAAGCGGCACGCGAGCUGGGUUCAGA ACGUCGUGAGACAGU(PSU)CGGUCUCUAUCCGCCACGGGCGCAGGAGGCUUGAGGGGGGCUCUUCCUAGUACGAGAGGA CCGGAAGGGACGCACCUCUGGUUUCCCAGCUGUCCCUCCAGGGGCAUAAGCUGGGUAGCCAUGUGCGGAAGGGAUAACCG CUGAAAGCAUCUAAGCGGGAAGCCCGCCCCAAGAUGAGGCCUCCCACGGCGUCAAGCCGGUAAGGACCCGGGAAGACCAC CCGGUGGAUGGGCCGGGGGUGUAAGCGCCGCGAGGCGUUGAGCCGACCGGUCCCAAUCGUCCGAGGUCUUGACCCCUCC AP008226.1 5S Ribosomal RNA Thermus thermophilus HB8 0.039188371 1 UCCCCCGUGCCCAUAGCGGCGUGGAACCACCCGUUCCCAUUCCGAACACGGAAGUGAAACGCGCCAGCGCCGAUGGUACU GGGCGGGCGACCGCCUGGGAGAGUAGGUCGGUGCGGGGGAU AP008226.1 50S ribosomal protein L2 Thermus thermophilus HB8 0.030532550999999998 1 LEVO MAVKKFKPYTPSRRFMTVADFSEITKTEPEKSLVKPLKKTGGRNNQGRITVRFRGGGHKRLYRIIDFKRWDKVGIPAKVA AIEYDPNRSARIALLHYVDGEKRYIIAPDGLQVGQQVVAGPDAPIQVGNALPLRFIPVGTVVHAVELEPKKGAKLARAAG TSAQIQGREGDYVILRLPSGELRKVHGECYATVGAVGNADHKNIVLGKAGRSRWLGRRPHVRGAAMNPVDHPHGGGEGRA PRGRPPASPWGWQTKGLKTRKRRKPSSRFIIARRKK P60405 50S ribosomal protein L3 Thermus thermophilus HB8 0.022450213 1 LEVO MKGILGVKVGMTRIFRDDRAVPVTVILAGPCPVVQRRTPEKDGYTAVQLGFLPQNPKRVNRPLKGHFAKAGVEPVRILRE IRDFNPEGDTVTVEIFKPGERVDVTGTSKGRGFAGVMKRWNFAGGPDSHGAHKIHRHPGSIGNRKTPGRVYKGKKMAGHY GAERVTVMNLEVVDVIPEENLLLVKGAVPGPNGGLVIVRETKKAAK Q5SHN8 50S ribosomal protein L4 Thermus thermophilus HB8 0.023271914 1 LEVO MKEVAVYQIPVLSPSGRRELAADLPAEINPHLLWEVVRWQLAKRRRGTASTKTRGEVAYSGRKIWPQKHTGRARHGDIGA PIFVGGGVVFGPKPRDYSYTLPKKVRKKGLAMAVADRAREGKLLLVEAFAGVNGKTKEFLAWAKEAGLDGSESVLLVTGN ELVRRAARNLPWVVTLAPEGLNVYDIVRTERLVMDLDAWEVFQNRIGGEA Q5SHN9 50S ribosomal protein L5 Thermus thermophilus HB8 0.021061596000000002 1 LEVO MPLDVALKRKYYEEVRPELIRRFGYQNVWEVPRLEKVVINQGLGEAKEDARILEKAAQELALITGQKPAVTRAKKSISNF KLRKGMPIGLRVTLRRDRMWIFLEKLLNVALPRIRDFRGLNPNSFDGRGNYNLGLREQLIFPEITYDMVDALRGMDIAVV TTAETDEEARALLELLGFPFRK Q5SHQ0 50S ribosomal protein L6 Thermus thermophilus HB8 0.019568925999999997 1 LEVO MSRIGRLPIPVPKGVSVEVAPGRVKVKGPKGELEVPVSPEMRVVVEEGVVRVERPSDERRHKSLHGLTRTLIANAVKGVS EGYSKELLIKGIGYRARLVGRALELTVGFSHPVVVEPPEGITFEVPEPTRVRVSGIDKQKVGQVAANIRAIRKPSAYHEK GIYYAGEPVRLKPGKAGAKK P0DOY8 50S ribosomal protein L9 Thermus thermophilus HB8 0.016422179999999998 1 LEVO MKVILLEPLENLGDVGQVVDVKPGYARNYLLPRGLAVLATESNLKALEARIRAQAKRLAERKAEAERLKEILENLTLTIP VRAGETKIYGSVTAKDIAEALSRQHGVTIDPKRLALEKPIKELGEYVLTYKPHPEVPIQLKVSVVAQE Q5SLQ1 50S ribosomal protein L13 Thermus thermophilus HB8 0.015927903 1 LEVO MKTYVPKQVEPRWVLIDAEGKTLGRLATKIATLLRGKHRPDWTPNVAMGDFVVVVNADKIRVTGKKLEQKIYTRYSGYPG GLKKIPLEKMLATHPERVLEHAVKGMLPKGPLGRRLFKRLKVYAGPDHPHQAQRPEKLEV P60488 50S ribosomal protein L14 Thermus thermophilus HB8 0.013323611999999999 1 LEVO MIQPQTYLEVADNTGARKIMCIRVLKGSNAKYATVGDVIVASVKEAIPRGAVKEGDVVKAVVVRTKKEIKRPDGSAIRFD DNAAVIINNQLEPRGTRVFGPVARELREKGFMKIVSLAPEVL Q5SHP8 50S ribosomal protein L15 Thermus thermophilus HB8 0.016319142 1 LEVO MKLSDLRPNPGANKRRKRVGRGPGSGHGKTATRGHKGQKSRSGGLKDPRRFEGGRSTTLMRLPKRGMQGQVPGEIKRPRY QGVNLKDLARFEGEVTPELLVRAGLLKKGYRLKILGEGEAKPLKVVAHAFSKSALEKLKAAGGEPVLLEA Q5SHQ7 50S ribosomal protein L16 Thermus thermophilus HB8 0.015993909 1 LEVO MLMPRRMKYRKQQRGRLKGATKGGDYVAFGDYGLVALEPAWITAQQIEAARVAMVRHFRRGGKIFIRIFPDKPYTKKPLE VRMGKGKGNVEGYVAVVKPGRVMFEVAGVTEEQAMEALRIAGHKLPIKTKIVRRDAYDEAQ P60489 50S ribosomal protein L17 Thermus thermophilus HB8 0.013750147999999998 1 LEVO MRHLKSGRKLNRHSSHRLALYRNQAKSLLTHGRITTTVPKAKELRGFVDHLIHLAKRGDLHARRLVLRDLQDVKLVRKLF DEIAPRYRDRQGGYTRVLKLAERRRGDGAPLALVELVE Q9Z9H5 50S ribosomal protein L18 Thermus thermophilus HB8 0.012639844999999999 1 LEVO MARLTAYERRKFRVRNRIKRTGRLRLSVFRSLKHIYAQIIDDEKGVTLVSASSLALKLKGNKTEVARQVGRALAEKALAL GIKQVAFDRGPYKYHGRVKALAEGAREGGLEF Q5SHQ4 50S ribosomal protein L19 Thermus thermophilus HB8 0.017188830000000002 1 LEVO MNRGALIKLVESRYVRTDLPEFRPGDTVRVSYKVKEGNRTRIQDFEGIVIRIRRNGFNTTFTVRKVSYGVGVERIFPLHS PLIQKIDIVQRGRARRAKLYFIRNLSDREIRRKLRADRKRIDQDRAAERAAKEEAQKAQEPKASQE P60490 50S ribosomal protein L20 Thermus thermophilus HB8 0.013779274999999999 1 LEVO MPRAKTGVVRRRKHKKILKLAKGYWGLRSKSFRKARETLFAAGNYAYAHRKRRKRDFRRLWIVRINAACRQHGLNYSTFI HGLKKAGIEVDRKNLADLAVREPQVFAELVERAKAAQG P60491 50S ribosomal protein L21 Thermus thermophilus HB8 0.011069153 1 LEVO MFAIVKTGGKQYRVEPGLKLRVEKLDAEPGATVELPVLLLGGEKTVVGTPVVEGASVVAEVLGHGRGKKILVSKFKAKVQ YRRKKGHRQPYTELLIKEIRG P60492 50S ribosomal protein L22 Thermus thermophilus HB8 0.012808055 1 LEVO MEAKAIARYVRISPRKVRLVVDLIRGKSLEEARNILRYTNKRGAYFVAKVLESAAANAVNNHDMLEDRLYVKAAYVDEGP ALKRVLPRARGRADIIKKRTSHITVILGEKHGK Q5SHP3 50S ribosomal protein L23 Thermus thermophilus HB8 0.010759808000000001 1 LEVO MKTAYDVILAPVLSEKAYAGFAEGKYTFWVHPKATKTEIKNAVETAFKVKVVKVNTLHVRGKKKRLGRYLGKRPDRKKAI VQVAPGQKIEALEGLI Q5SHP0 50S ribosomal protein L24 Thermus thermophilus HB8 0.012085611 1 LEVO MRVKMHVKKGDTVLVASGKYKGRVGKVKEVLPKKYAVIVEGVNIVKKAVRVSPKYPQGGFIEKEAPLHASKVRPICPACG KPTRVRKKFLENGKKIRVCAKCGGALDTEE Q5SHP9 50S ribosomal protein L25 Thermus thermophilus HB8 0.023238572 1 LEVO MEYRLKAYYREGEKPSALRRAGKLPGVMYNRHLNRKVYVDLVEFDKVFRQASIHHVIVLELPDGQSLPTLVRQVNLDKRR RRPEHVDFFVLSDEPVEMYVPLRFVGTPAGVRAGGVLQEIHRDILVKVSPRNIPEFIEVDVSGLEIGDSLHASDLKLPPG VELAVSPEETIAAVVPPEDVEKLAEEAAAEVAEPEVIKKGKEEEEE Q5SHZ1 50S ribosomal protein L27 Thermus thermophilus HB8 0.009529074 1 LEVO MAHKKGLGSTRNGRDSQAKRLGVKRYEGQVVRAGNILVRQRGTRFKPGKNVGMGRDFTLFALVDGVVEFQDRGRLGRYVH VRPLA P60493 50S ribosomal protein L28 Thermus thermophilus HB8 0.011004159999999999 1 LEVO MSKVCEISGKRPIVANSIQRRGKAKREGGVGKKTTGISKRRQYPNLQKVRVRVAGQEITFRVAASHIPKVYELVERAKGL KLEGLSPKEIKKELLKLL P60494 50S ribosomal protein L29 Thermus thermophilus HB8 0.008670258 1 LEVO MKLSEVRKQLEEARKLSPVELEKLVREKKRELMELRFQASIGQLSQNHKIRDLKRQIARLLTVLNEKRRQNA Q5SHP6 50S ribosomal protein L30 Thermus thermophilus HB8 0.006799126 1 LEVO MPRLKVKLVKSPIGYPKDQKAALKALGLRRLQQERVLEDTPAIRGNVEKVAHLVRVEVVE Q5SHQ6 50S ribosomal protein L31 Thermus thermophilus HB8 0.008300542999999999 1 LEVO MKEGIHPKLVPARIICGCGNVIETYSTKPEIYVEVCSKCHPFYTGQQRFVDTEGRVERFQRRYGDSYRKGR Q5SJE1 50S ribosomal protein L32 Thermus thermophilus HB8 0.00672205 1 LEVO MAKHPVPKKKTSKARRDARRSHHALTPPTLVPCPECKAMKPPHTVCPECGYYAGRKVLEV P80339 50S ribosomal protein L33 Thermus thermophilus HB8 0.006632895999999999 1 LEVO MASEVRIKLLLECTECKRRNYATEKNKRNTPNKLELRKYCPWCRKHTVHREVKI P35871 50S ribosomal protein L34 Thermus thermophilus HB8 0.006132448999999999 1 LEVO MKRTWQPNRRKRAKTHGFRARMRTPGGRKVLKRRRQKGRWRLTPAVRKR P80340 50S ribosomal protein L35 Thermus thermophilus HB8 0.007506178 1 LEVO MPKMKTHKGAKKRVKITASGKVVAMKTGKRHLNWQKSGKEIRQKGRKFVLAKPEAERIKLLLPYE Q5SKU1 50S ribosomal protein L36 Thermus thermophilus HB8 0.004435411 1 LEVO MKVRASVKRICDKCKVIRRHGRVYVICENPKHKQRQG Q5SHR2 16S Ribosomal RNA Thermus thermophilus HB8 0.493863625 1 UUGUUGGAGAGUUUGAUCCUGGCUCAGGGUGAACGCUGGCGGCGUGCCUAAGACAUGCAAGUCGUGCGGGCCGCGGGGUU UUACUCCGUGGUCAGCGGCGGACGGGUGAGUAACGCGUGGGUGACCUACCCGGAAGAGGGGGACAACCCGGGGAAACUCG GGCUAAUCCCCCAUGUGGACCCGCCCCUUGGGGUGUGUCCAAAGGGCUUUGCCCGCUUCCGGAUGGGCCCGCGUCCCAUC AGCUAGUUGGUGGGGUAAUGGCCCACCAAGGCGACGACGGGUAGCCGGUCUGAGAGGAUGGCCGGCCACAGGGGCACUGA GACACGGGCCCCACUCCUACGGGAGGCAGCAGUUAGGAAUCUUCCGCAAUGGGCGCAAGCCUGACGGAGCGACGCCGCUU GGAGGAAGAAGCCCUUCGGGGUGUAAACUCCUGAACCCGGGACGAAACCCCCGACGAGGGGACUGACGGUACCGGGGUAA UAGCGCCGGCCAACUCCG(PSU)GCCAGCAGCC(G7M)CGGUAAUACGGAGGGCGCGAGCGUUACCCGGAUUCACUGGGC GUAAAGGGCGUGUAGGCGGCCUGGGGCGUCCCAUGUGAAAGACCACGGCUCAACCGUGGGGGAGCGUGGGAUACGCUCAG GCUAGACGGUGGGAGAGGGUGGUGGAAUUCCCGGAGUAGCGGUGAAAUGCGCAGAUACCGGGAGGAACGCCGAUGGCGAA GGCAGCCACCUGGUCCACCCGUGACGCUGAGGCGCGAAAGCGUGGGGAGCAAACCGGAUUAGAUACCCGGGUAGUCCACG CCCUAAACGAUGCGCGCUAGGUCUCUGGGUCUCCUGGGGGCCGAAGCUAACGCGUUAAGCGCGCCGCCUGGGGAGUACGG CCGCAAGGCUGAAACUCAAAGGAAUUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAUUCGAA(M2G)(5MC) AACGCGAAGAACCUUACCAGGCCUUGACAUGCUAGGGAACCCGGGUGAAAGCCUGGGGUGCCCCGCGAGGGGAGCCCUAG CACAGGUGCUGCAUGGCCGUCGUCAGCUCGUGCCGUGAGGUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCCCGCCGUU AGUUGCCAGCGGUUCGGCCGGGCACUCUAACGGGACUGCCCGCGAAAGCGGGAGGAAGGAGGGGACGACGUCUGGUCAGC AUG(2MG)CCCUUACGGCCUGGGCGACACACGUGCUACAAUGCCCACUACAAAGCGAUGCCACCCGGCAACGGGGAGCUA AUCGCAAAAAGGUGGGCCCAGUUCGGAUUGGGGUCUGCAACCCGACCCCAUGAAGCCGGAAUCGCUAGUAAUCGCGGAUC AGCCAUGCCGCGGUGAAUACGUUCCCGGGCCUUGUACACAC(5MC)G(4OC)C(5MC)GU(5MC)ACGCCAUGGGAGCGG GCUCUACCCGAAGUCGCCGGGAGCCUACGGGCAGGCGCCGAGGGUAGGGCCCGUGACUGGGGCGAAGUCG(UR3)AACAA GGUAGCUGUACCGG(MA6)(MA6)GGUGCGGCUGGAUCACCUCCUUUCU AP008226.1 30S ribosomal protein S2 Thermus thermophilus HB8 0.029317703 1 LEVO MPVEITVKELLEAGVHFGHERKRWNPKFARYIYAERNGIHIIDLQKTMEELERTFRFIEDLAMRGGTILFVGTKKQAQDI VRMEAERAGMPYVNQRWLGGMLTNFKTISQRVHRLEELEALFASPEIEERPKKEQVRLKHELERLQKYLSGFRLLKRLPD AIFVVDPTKEAIAVREARKLFIPVIALADTDSDPDLVDYIIPGNDDAIRSIQLILSRAVDLIIQARGGVVEPSPSYALVQ EAEATETPEGESEVEA P80371 30S ribosomal protein S3 Thermus thermophilus HB8 0.026751076 1 LEVO MGNKIHPIGFRLGITRDWESRWYAGKKQYRHLLLEDQRIRGLLEKELYSAGLARVDIERAADNVAVTVHVAKPGVVIGRG GERIRVLREELAKLTGKNVALNVQEVQNPNLSAPLVAQRVAEQIERRFAVRRAIKQAVQRVMESGAKGAKVIVSGRIGGA EQARTEWAAQGRVPLHTLRANIDYGFALARTTYGVLGVKAYIFLGEVIGGQKPKARPELPKAEERPRRRRPAVRVKKEE P80372 30S ribosomal protein S4 Thermus thermophilus HB8 0.024373447 1 LEVO MGRYIGPVCRLCRREGVKLYLKGERCYSPKCAMERRPYPPGQHGQKRARRPSDYAVRLREKQKLRRIYGISERQFRNLFE EASKKKGVTGSVFLGLLESRLDNVVYRLGFAVSRRQARQLVRHGHITVNGRRVDLPSYRVRPGDEIAVAEKSRNLELIRQ NLEAMKGRKVGPWLSLDVEGMKGKFLRLPDREDLALPVNEQLVIEFYSR P80373 30S ribosomal protein S5 Thermus thermophilus HB8 0.017583416 1 LEVO MPETDFEEKMILIRRTARMQAGGRRFRFGALVVVGDRQGRVGLGFGKAPEVPLAVQKAGYYARRNMVEVPLQNGTIPHEI EVEFGASKIVLKPAAPGTGVIAGAVPRAILELAGVTDILTKELGSRNPINIAYATMEALRQLRTKADVERLRKGEAHAQA QG Q5SHQ5 30S ribosomal protein S6 Thermus thermophilus HB8 0.011988753 1 LEVO MRRYEVNIVLNPNLDQSQLALEKEIIQRALENYGARVEKVEELGLRRLAYPIAKDPQGYFLWYQVEMPEDRVNDLARELR IRDNVRRVMVVKSQEPFLANA Q5SLP8 30S ribosomal protein S7 Thermus thermophilus HB8 0.018050973 1 LEVO MARRRRAEVRQLQPDLVYGDVLVTAFINKIMRDGKKNLAARIFYDACKIIQEKTGQEPLKVFKQAVENVKPRMEVRSRRV GGANYQVPMEVSPRRQQSLALRWLVQAANQRPERRAAVRIAHELMDAAEGKGGAVKKKEDVERMAEANRAYAHYRW P17291 30S ribosomal protein S8 Thermus thermophilus HB8 0.01586857 1 LEVO MLTDPIADMLTRIRNATRVYKESTDVPASRFKEEILRILAREGFIKGYERVDVDGKPYLRVYLKYGPRRQGPDPRPEQVI HHIRRISKPGRRVYVGVKEIPRVRRGLGIAILSTSKGVLTDREARKLGVGGELICEVW P0DOY9 30S ribosomal protein S9 Thermus thermophilus HB8 0.014410613999999999 1 LEVO MEQYYGTGRRKEAVARVFLRPGNGKVTVNGQDFNEYFQGLVRAVAALEPLRAVDALGHFDAYITVRGGGKSGQIDAIKLG IARALVQYNPDYRAKLKPLGFLTRDARVVERKKYGKHKARRAPQYSKR P80374 30S ribosomal protein S10 Thermus thermophilus HB8 0.011954968 1 LEVO MPKIRIKLRGFDHKTLDASAQKIVEAARRSGAQVSGPIPLPTRVRRFTVIRGPFKHKDSREHFELRTHNRLVDIINPNRK TIEQLMTLDLPTGVEIEIKTVGGGR Q5SHN7 30S ribosomal protein S11 Thermus thermophilus HB8 0.013737868 1 LEVO MAKKPSKKKVKRQVASGRAYIHASYNNTIVTITDPDGNPITWSSGGVIGYKGSRKGTPYAAQLAALDAAKKAMAYGMQSV DVIVRGTGAGREQAIRALQASGLQVKSIVDDTPVPHNGCRPKKKFRKAS P80376 30S ribosomal protein S12 Thermus thermophilus HB8 0.014683475999999999 1 LEVO MPTINQLVRKGREKVRKKSKVPALKGAPFRRGVCTVVRTVTPKKPNSALRKVAKVRLTSGYEVTAYIPGEGHNLQEHSVV LIRGGRVK(0TD)LPGVRYHIVRGVYDAAGVKDRKKSRSKYGTKKPKEAAKTAAKK Q5SHN3 30S ribosomal protein S13 Thermus thermophilus HB8 0.014338861 1 LEVO MARIAGVEIPRNKRVDVALTYIYGIGKARAKEALEKTGINPATRVKDLTEAEVVRLREYVENTWKLEGELRAEVAANIKR LMDIGCYRGLRHRRGLPVRGQRTRTNARTRKGPRKTVAGKKKAPRK P80377 30S ribosomal protein S14 type Z Thermus thermophilus HB8 0.007158725 1 LEVO MARKALIEKAKRTPKFKVRAYTRCVRCGRARSVYRFFGLCRICLRELAHKGQLPGVRKASW P0DOY6 30S ribosomal protein S15 Thermus thermophilus HB8 0.010578406999999998 1 LEVO MPITKEEKQKVIQEFARFPGDTGSTEVQVALLTLRINRLSEHLKVHKKDHHSHRGLLMMVGQRRRLLRYLQREDPERYRA LIEKLGIRG Q5SJ76 30S ribosomal protein S16 Thermus thermophilus HB8 0.010409983 1 LEVO MVKIRLARFGSKHNPHYRIVVTDARRKRDGKYIEKIGYYDPRKTTPDWLKVDVERARYWLSVGAQPTDTARRLLRQAGVF RQEAREGA Q5SJH3 30S ribosomal protein S17 Thermus thermophilus HB8 0.012325655 1 LEVO MPKKVLTGVVVSDKMQKTVTVLVERQFPHPLYGKVIKRSKKYLAHDPEEKYKLGDVVEIIESRPISKRKRFRVLRLVESG RMDLVEKYLIRRQNYESLSKRGGKA P0DOY7 30S ribosomal protein S18 Thermus thermophilus HB8 0.010258299 1 LEVO MSTKNAKPKKEAQRRPSRKAKVKATLGEFDLRDYRNVEVLKRFLSETGKILPRRRTGLSAKEQRILAKTIKRARILGLLP FTEKLVRK Q5SLQ0 30S ribosomal protein S19 Thermus thermophilus HB8 0.010605464 1 LEVO MPRSLKKGVFVDDHLLEKVLELNAKGEKRLIKTWSRRSTIVPEMVGHTIAVYNGKQHVPVYITENMVGHKLGEFAPTRTY RGHGKEAKATKKK Q5SHP2 30S ribosomal protein S20 Thermus thermophilus HB8 0.011736143 1 LEVO MAQKKPKRNLSALKRHRQSLKRRLRNKAKKSAIKTLSKKAIQLAQEGKAEEALKIMRKAESLIDKAAKGSTLHKNAAARR KSRLMRKVRQLLEAAGAPLIGGGLSA P80380 30S ribosomal protein Thx Thermus thermophilus HB8 0.00335003 1 LEVO MGKGDRRTRRGKIWRGTYGKYRPRKKK Q5SIH3 CYS-Stop mRNA Thermus thermophilus HB8 0.007827774999999999 1 GGCAAGGAGGUAAAAUGCUAAUAA Peptide chain release factor 1 Thermus thermophilus HB8 0.040167559 1 LEVO MLDKLDRLEEEYRELEALLSDPEVLKDKGRYQSLSRRYAEMGEVIGLIREYRKVLEDLEQAESLLDDPELKEMAKAEREA LLARKEALEKELERHLLPKDPMDERDAIVEIRAGTGGEEAALFARDLFNMYLRFAEEMGFETEVLDSHPTDLGGFSKVVF EVRGPGAYGTFKYESGVHRVQRVPVTETQGRIHTSTATVAVLPKAEEEDFALNMDEIRIDVMRASGPGG(MEQ)GVNTTD SAVRVVHLPTGIMVTCQDSRSQIKNREKALMILRSRLLEMKRAEEAERLRKTRLAQIGTGERSEKIRTYNFPQSRVTDHR IGFTTHDLEGVLSGHLTPILEALKRADQERQLAALAEG P96077 P-site Peptidyl-tRNA fMEAAAKC-tRNAcys RNA-part Thermus thermophilus HB8 0.023927458999999998 1 GGCGCGU(4SU)AACAAAGCGG(H2U)(H2U)AUGUAGCGGA(PSU)UGCA(MIA)A(PSU)CCGUCUAGUCCGG(5MU) (PSU)CGACUCCGGAACGCGCCUCCA P-site Peptidyl-tRNA fMEAAAKC-tRNAcys Peptide-part Thermus thermophilus HB8 0.000751891 1 LEVO (FME)EAAAKC MAGNESIUM ION 2.4305e-05 1685 MG POTASSIUM ION 3.9098e-05 52 K ZINC ION 6.5409e-05 6 ZN IRON/SULFUR CLUSTER 0.00035163999999999996 1 SF4 water 1.8015e-05 4759 HOH singleParticle particle 0.375 7.6

5 mM HEPES-KOH, 50 mM KCl, 10 mM NH4Cl, 10 mM Mg(CH3COO)2

Quantifoil R2/1 COPPER 200 CARBON HOLEY GLOW DISCHARGE 15 0.024 ETHANE 85 295 LEICA EM GP TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 100.0 2.7 0.5 1.8 105000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN GIF Bioquantum 20 GATAN K3 BIOQUANTUM (6k x 4k) COUNTING 1 25104 1.1984 39.7153 1 cryoSPARC 4.6.1 PHASE FLIPPING AND AMPLITUDE CORRECTION C1 2.13 FSC 0.143 CUT-OFF cryoSPARC 4.6.1 617938 RANDOM ASSIGNMENT cryoSPARC 4.6.1 MAXIMUM LIKELIHOOD cryoSPARC 4.6.1 cryoSPARC 4.6.1 9MTP PDB experimental model RIGID BODY FIT REAL emd_49594_msk_1.map emd_49594_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 431.2576 431.2576 431.2576 90.0 90.0 90.0 X Y Z -0.7091568 1.558079 0.00015218285 0.03241648 0.8423 0.8423 0.8423 AUTHOR ::::EMDATABANK.org::::EMD-49594:::: Sharpened map of Thermus thermophilus 70S ribosome with 2'deoxy-A76-peptidyl-tRNA and release factor 1 emd_49594_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 431.2576 431.2576 431.2576 90.0 90.0 90.0 X Y Z -0.13870391 0.50693256 0.0005028606 0.0197026 0.8423 0.8423 0.8423 AUTHOR ::::EMDATABANK.org::::EMD-49594:::: Half map of Thermus thermophilus 70S ribosome with 2'deoxy-A76-peptidyl-tRNA and release factor 1 emd_49594_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 431.2576 431.2576 431.2576 90.0 90.0 90.0 X Y Z -0.14278618 0.49908584 0.0005019019 0.019699583 0.8423 0.8423 0.8423 AUTHOR ::::EMDATABANK.org::::EMD-49594:::: Half map of Thermus thermophilus 70S ribosome with 2'deoxy-A76-peptidyl-tRNA and release factor 1