Structure of human 48S translation initiation complex in AUG recognition state after eIF5-induced GTP hydrolysis by eIF2 (48S-2)

2026-06-24 REL PDBe INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY EXPERIMENTAL_SUMMARY em_admin struct_ref struct_ref_seq _em_admin.last_update _struct_ref.pdbx_seq_one_letter_code _struct_ref_seq.pdbx_auth_seq_align_beg _struct_ref_seq.pdbx_auth_seq_align_end STRUCTURE_SUMMARY atom_site chem_comp_atom chem_comp_bond em_admin pdbx_entry_details pdbx_modification_feature pdbx_poly_seq_scheme pdbx_struct_conn_angle pdbx_struct_sheet_hbond pdbx_unobs_or_zero_occ_atoms pdbx_unobs_or_zero_occ_residues pdbx_validate_torsion struct_conf struct_conn struct_ref struct_ref_seq struct_sheet_range _atom_site.auth_atom_id _atom_site.auth_seq_id _atom_site.label_atom_id _chem_comp_atom.atom_id _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _em_admin.last_update _pdbx_entry_details.has_protein_modification _pdbx_poly_seq_scheme.pdb_seq_num _pdbx_struct_sheet_hbond.range_1_auth_seq_id _pdbx_struct_sheet_hbond.range_2_auth_seq_id _pdbx_unobs_or_zero_occ_atoms.auth_seq_id _pdbx_unobs_or_zero_occ_residues.auth_seq_id _pdbx_validate_torsion.auth_seq_id _struct_conf.beg_auth_seq_id _struct_conf.end_auth_seq_id _struct_ref.pdbx_seq_one_letter_code _struct_ref_seq.pdbx_auth_seq_align_beg _struct_ref_seq.pdbx_auth_seq_align_end _struct_sheet_range.beg_auth_seq_id _struct_sheet_range.end_auth_seq_id PDBe PDBe 2023-06-22 2024-08-14 2024-08-14 2026-06-24 Max Planck Society Germany German Research Foundation (DFG) Leibniz-Preis Germany Structure of human 48S translation initiation complex in AUG recognition state after eIF5-induced GTP hydrolysis by eIF2 (48S-2) Petrychenko V Yi S-H Liedtke D Peng BZ Rodnina MV Fischer N RIBOSOME, TRANSLATION, initiation, 48S, eIF, human, eukaryotic, factor, codon, scanning, closed Petrychenko V Yi SH Liedtke D Peng BZ Rodnina MV Fischer N Structural basis for translational control by the human 48S initiation complex. Nat.Struct.Mol.Biol. US 2024 39289545 doi:10.1038/s41594-024-01378-4 1545-9985 8pj2 FULLOVERLAP EMDB EMD-17697 associated EM volume

Human 48S initiation complex 40S-eIF1A-eIF2-eIF3-eIF5-tRNA-Met-mRNA Human 48S initiation complex 40S-eIF1A-eIF2-eIF3-eIF5-tRNA-Met-mRNA 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 Human 48S initiation complex 1 1 2 3 4 5 6 8 9 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 46 47 48 49 51 52 Homo sapiens mRNA, 18S rRNA, Eukaryotic translation initiation factor 1A, X-chromosomal, Initiator Met-tRNA-i and Eukaryotic translation initiation factor 5 1 7 10 45 50 53 Homo sapiens Eukaryotic translation initiation factor 3 subunit B Homo sapiens 0.092593414 1 LEVO MQDAENVAVPEAAEERAEPGQQQPAAEPPPAEGLLRPAGPGAPEAAGTEASSEEVGIAEAGPESEVRTEPAAEAEAASGP SESPSPPAAEELPGSHAEPPVPAQGEAPGEQARDERSDSRAQAVSEDAGGNEGRAAEAEPRALENGDADEPSFSDPEDFV DDVSEEELLGDVLKDRPQEADGIDSVIVVDNVPQVGPDRLEKLKNVIHKIFSKFGKITNDFYPEEDGKTKGYIFLEYASP AHAVDAVKNADGYKLDKQHTFRVNLFTDFDKYMTISDEWDIPEKQPFKDLGNLRYWLEEAECRDQYSVIFESGDRTSIFW NDVKDPVSIEERARWTETYVRWSPKGTYLATFHQRGIALWGGEKFKQIQRFSHQGVQLIDFSPCERYLVTFSPLMDTQDD PQAIIIWDILTGHKKRGFHCESSAHWPIFKWSHDGKFFARMTLDTLSIYETPSMGLLDKKSLKISGIKDFSWSPGGNIIA FWVPEDKDIPARVTLMQLPTRQEIRVRNLFNVVDCKLHWQKNGDYLCVKVDRTPKGTQGVVTNFEIFRMREKQVPVDVVE MKETIIAFAWEPNGSKFAVLHGEAPRISVSFYHVKNNGKIELIKMFDKQQANTIFWSPQGQFVVLAGLRSMNGALAFVDT SDCTVMNIAEHYMASDVEWDPTGRYVVTSVSWWSHKVDNAYWLWTFQGRLLQKNNKDRFCQLLWRPRPPTLLSQEQIKQI KKDLKKYSKIFEQKDRLSQSKASKELVERRRTMMEDFRKYRKMAQELYMEQKNERLELRGGVDTDELDSNVDDWEEETIE FFVTEEIIPLGNQE P55884 Eukaryotic translation initiation factor 3 subunit I Homo sapiens 0.036543773 1 LEVO MKPILLQGHERSITQIKYNREGDLLFTVAKDPIVNVWYSVNGERLGTYMGHTGAVWCVDADWDTKHVLTGSADNSCRLWD CETGKQLALLKTNSAVRTCGFDFGGNIIMFSTDKQMGYQCFVSFFDLRDPSQIDNNEPYMKIPCNDSKITSAVWGPLGEC IIAGHESGELNQYSAKSGEVLVNVKEHSRQINDIQLSRDMTMFVTASKDNTAKLFDSTTLEHQKTFRTERPVNSAALSPN YDHVVLGGGQEAMDVTTTSTRIGKFEARFFHLAFEEEFGRVKGHFGPINSVAFHPDGKSYSSGGEDGYVRIHYFDPQYFE FEFEA Q13347 Eukaryotic translation initiation factor 3 subunit K Homo sapiens 0.025083618999999998 1 LEVO MAMFEQMRANVGKLLKGIDRYNPENLATLERYVETQAKENAYDLEANLAVLKLYQFNPAFFQTTVTAQILLKALTNLPHT DFTLCKCMIDQAHQEERPIRQILYLGDLLETCHFQAFWQALDENMDLLEGITGFEDSVRKFICHVVGITYQHIDRWLLAE MLGDLSDSQLKVWMSKYGWSADESGQIFICSQEESIKPKNIVEKIDFDSVSSIMASSQ Q9UBQ5 Eukaryotic translation initiation factor 3 subunit F Homo sapiens 0.037593644999999995 1 LEVO MATPAVPVSAPPATPTPVPAAAPASVPAPTPAPAAAPVPAAAPASSSDPAAAAAATAAPGQTPASAQAPAQTPAPALPGP ALPGPFPGGRVVRLHPVILASIVDSYERRNEGAARVIGTLLGTVDKHSVEVTNCFSVPHNESEDEVAVDMEFAKNMYELH KKVSPNELILGWYATGHDITEHSVLIHEYYSREAPNPIHLTVDTSLQNGRMSIKAYVSTLMGVPGRTMGVMFTPLTVKYA YYDTERIGVDLIMKTCFSPNRVIGLSSDLQQVGGASARIQDALSTVLQYAEDVLSGKVSADNTVGRFLMSLVNQVPKIVP DDFETMLNSNINDLLMVTYLANLTQSQIALNEKLVNL O00303 3.4.19.12 Eukaryotic translation initiation factor 3 subunit L Homo sapiens 0.06680373399999999 1 LEVO MSYPADDYESEAAYDPYAYPSDYDMHTGDPKQDLAYERQYEQQTYQVIPEVIKNFIQYFHKTVSDLIDQKVYELQASRVS SDVIDQKVYEIQDIYENSWTKLTERFFKNTPWPEAEAIAPQVGNDAVFLILYKELYYRHIYAKVSGGPSLEQRFESYYNY CNLFNYILNADGPAPLELPNQWLWDIIDEFIYQFQSFSQYRCKTAKKSEEEIDFLRSNPKIWNVHSVLNVLHSLVDKSNI NRQLEVYTSGGDPESVAGEYGRHSLYKMLGYFSLVGLLRLHSLLGDYYQAIKVLENIELNKKSMYSRVPECQVTTYYYVG FAYLMMRRYQDAIRVFANILLYIQRTKSMFQRTTYKYEMINKQNEQMHALLAIALTMYPMRIDESIHLQLREKYGDKMLR MQKGDPQVYEELFSYSCPKFLSPVVPNYDNVHPNYHKEPFLQQLKVFSDEVQQQAQLSTIRSFLKLYTTMPVAKLAGFLD LTEQEFRIQLLVFKHKMKNLVWTSGISALDGEFQSASEVDFYIDKDMIHIADTKVARRYGDFFIRQIHKFEELNRTLKKM GQRP Q9Y262 Eukaryotic translation initiation factor 3 subunit M Homo sapiens 0.042555832 1 LEVO MSVPAFIDISEEDQAAELRAYLKSKGAEISEENSEGGLHVDLAQIIEACDVCLKEDDKDVESVMNSVVSLLLILEPDKQE ALIESLCEKLVKFREGERPSLRLQLLSNLFHGMDKNTPVRYTVYCSLIKVAASCGAIQYIPTELDQVRKWISDWNLTTEK KHTLLRLLYEALVDCKKSDAASKVMVELLGSYTEDNASQARVDAHRCIVRALKDPNAFLFDHLLTLKPVKFLEGELIHDL LTIFVSAKLASYVKFYQNNKDFIDSLGLLHEQNMAKMRLLTFMGMAVENKEISFDTMQQELQIGADDVEAFVIDAVRTKM VYCKIDQTQRKVVVSHSTHRTFGKQQWQQLYDTLNAWKQNLNKVKNSLLSLSDT Q7L2H7 mRNA Homo sapiens 0.082412445 1 GGGCAACAACAACAAGCUAGCCACAACAACAACAACAACAACAACAAGUCGACCAACAACAACAACAACAACAACAACAA CUCGAGCAACAACAACAACAACAACAACAACAAGGAUCCAAAACAGACCACCAUGGUACGUUUCAAGGCUUGAGCCCUCG UCACUGCCCUGUGGGGCAAGGUGACUCUGGAAGAAGUUGGUGGUGAGGCCCUGGGCAGGCUGCAGAGUGUGAGGGAAGGU CUGGUUGUCUACCAA Eukaryotic translation initiation factor 3 subunit H Homo sapiens 0.039979277 1 LEVO MASRKEGTGSTATSSSSTAGAAGKGKGKGGSGDSAVKQVQIDGLVVLKIIKHYQEEGQGTEVVQGVLLGLVVEDRLEITN CFPFPQHTEDDADFDEVQYQMEMMRSLRHVNIDHLHVGWYQSTYYGSFVTRALLDSQFSYQHAIEESVVLIYDPIKTAQG SLSLKAYRLTPKLMEVCKEKDFSPEALKKANITFEYMFEEVPIVIKNSHLINVLMWELEKKSAVADKHELLSLASSNHLG KNLQLLMDRVDEMSQDIVKYNTYMRNTSKQQQQKHQYQQRRQQENMQRQSRGEPPLPEEDLSKLFKPPQPPARMDSLLIA GQINTYCQNIKEFTAQNLGKLFMAQALQEYNN O15372 60S ribosomal protein L41 Homo sapiens 0.003473451 1 LEVO MRAKWRKKRMRRLKRKRRKMRQRSK P62945 18S rRNA Homo sapiens 0.6032455 1 UACCUGGUUGAUCCUGCCAGUAGCAU(A2M)UGCUUGUCUCAAAGAUUAAGCCAUGCAUGUCUGAGUACGCACGGCCGGU ACAGUGAAACUGCGAAUGGCUCAUUAAAUCAGUUAUGGU(OMU)CC(PSU)U(OMU)GGUCGCUCGCUCCUCUCCUACUU GGAUAACUGUGGUA(A2M)UUCUAG(A2M)GCUAAUA(OMC)AUGCCGACGGGCGCUGACCCCCUUCGCGGGGGGGAUGC GUGCAUUUAUCAGAUCAAAACCAACCCGGUCAGCCCCUCUCCGGCCCCGGCCGGGGGGCGGGCGCCGGCGGCUUUGGUGA CUCUAGAUAACCUCGGGCCGAUCGCACGCCCCCCGUGGCGGCGACGACCCAUUCGAACGUCUGCCCUAUCAACUUUCGAU GGUAGUCGCCGUGCCUACCAUGGUGACCACGGGUGACGGGGAAUCAGGGUUCGAUUCCGGAGAGGGAGCCUGAGAAACGG CUACCACAUCCAAGGAAGGCAGCAGGCGCGC(A2M)AAUUACCCACUCCCGACCCGGGGA(OMG)GUAGUGA(OMC)GAA AAAUAACAAUACAGGACUCUUUCGAGGCCCUGUAAUUGGAAUGAGUCCACUUUAAAUCCUUUAACGAGGAUCCAUUGGAG GGCAAGUCUGG(PSU)GCCAGCAGCCGCGGUAAUUCCAGCUCCAAUA(OMG)CGUAUAUUAAAGUUGCUGCAGUU(A2M) AAAAGCUCGUAGUU(OMG)GAUCUUGGGAGCGGGCGGGCGGUCCGCCGCGAGGCGAGCCACCGCCCGUCCCCGCCCCUUG CCUCUCGGCGCCCCCUCGAUGCUCUUAGCUGAGUGUCCCGCGGGGCCCGAAGCGUUUACUUUGAAAAAA(5MU)UAGAGU G(PSU)(PSU)CAAAGCAGGCCCGAGCCGCCUGGAUACCGCAGCUAGGAAUAAUGGAAUAGGACCGCGGUUCUAUUUUGU UGGUUUUCGGAACUGAGGCCAUGAUUAAGAGGGACGGCCGGGGGCAUUCGUAUUGCGCCGCUAGAGGUGAAAUUCUUGGA CCGGCGCAAGACGGACCAGAGCGAAAGCAUUUGCCAAGAAUGUUUUCAUUAAUCAAGA(A2M)CGAAAGUCGGAGGUUCG AAGACGAUCAGAUACCGUCGUAGUUCCGACCA(PSU)AAACGAUGCCGACCGGCGAUGCGGCGGCGUUAUUCCCAUGACC CGCCGGGCAGCUUCCGGGAAACCAAAGUCUUUGGGUUCCGGGGGGAGUAUGGUUGCAAAGCUGAAACUUAAAGGAAUUGA CGGAAGGGCACCAC(JMH)AGGAGUGGAGCCUGCGGCUUAAU(PSU)UGAC(B8N)CAACACGGGAAACCUCACCCGGCC CGGACACGGACAGGAUUGACAGAUUGAUAGCUCUUUCUCGAUUCCGUGGGUGGUGGUGCAUGGCCGUUCUUAGUUGGUGG AGCGAUUUGUCUGGUUAAUUC(5MC)GAUAACGAACGAGACUCUGGCAUGCUAACUAGUUACGCGACCCCCGAGCGGUCG GCGUCCCCCAACUUCUUAGAGGGACAAGUGGCGUUCAGCCACCCGAGAUUGAGCAAUAACAGGUCUGUGAUGCCCUUAGA UGUCCGGGGCUGCACGCGCGCUACACUGACUGGCUCAGCGUGUGCCUACCCUACGCCGGCAGGCGCGGGUAACCCGUUGA ACCCCAUUCGUGAUGGGGAUCGGGGAUUGCAAUUAUUCCCCAUGAACGAGGAAUUCCCAGUAAGUGCGGGUCAUAAGCUU GCGUUGAUU(A2M)AGUCCCUGCCCUUUGUACACACCG(OMC)CCGUCGCUACUACCGAUUGGAUGGUUUAGUGAGGCCC UCGGAUCGGCCCCGCCGGGGUCGGCCCACGGCCCUGGCGGAGCGCUGAGAAGACGGUCGAACUUGACUAUCUAGAGGAAG UAAAAGUCG(UR3)A(6MZ)CAAGGUUUCCGUAGGUG(MA6)(MA6)CCUGCGGAAGGAUCAUUA NR_046235.3 40S ribosomal protein S11 Homo sapiens 0.018468826 1 LEVO MADIQTERAYQKQPTIFQNKKRVLLGETGKEKLPRYYKNIGLGFKTPKEAIEGTYIDKKCPFTGNVSIRGRILSGVVTKM KMQRTIVIRRDYLHYIRKYNRFEKRHKNMSVHLSPCFRDVQIGDIVTVGECRPLSKTVRFNVLKVTKAAGTKKQFQKF P62280 40S ribosomal protein S4, X isoform Homo sapiens 0.029654868999999997 1 LEVO MARGPKKHLKRVAAPKHWMLDKLTGVFAPRPSTGPHKLRECLPLIIFLRNRLKYALTGDEVKKICMQRFIKIDGKVRTDI TYPAGFMDVISIDKTGENFRLIYDTKGRFAVHRITPEEAKYKLCKVRKIFVGTKGIPHLVTHDARTIRYPDPLIKVNDTI QIDLETGKITDFIKFDTGNLCMVTGGANLGRIGVITNRERHPGSFDVVHVKDANGNSFATRLSNIFVIGKGNKPWISLPR GKGIRLTIAEERDKRLAAKQSSG P62701 40S ribosomal protein S9 Homo sapiens 0.022641563999999996 1 LEVO MPVARSWVCRKTYVTPRRPFEKSRLDQELKLIGEYGLRNKREVWRVKFTLAKIRKAARELLTLDEKDPRRLFEGNALLRR LVRIGVLDEGKMKLDYILGLKIEDFLERRLQTQVFKLGLAKSIHHARVLIRQRHIRVRKQVVNIPSFIVRLDSQKHIDFS LRSPYGGGRPGRVKRKNAKKGQGGAGAGDDEEED P46781 40S ribosomal protein S23 Homo sapiens 0.015844665999999997 1 LEVO MGKCRGLRTARKLRSHRRDQKWHDKQYKKAHLGTALKANPFGGASHAKGIVLEKVGVEAKQPNSAIRKCVRVQLIKNGKK ITAFVPNDGCLNFIEENDEVLVAGFGRKGHAVGDIPGVRFKVVKVANVSLLALYKGKKERPRS P62266 40S ribosomal protein S30 Homo sapiens 0.006668938 1 LEVO KVHGSLARAGKVRGQTPKVAKQEKKKKKTGRAKRRMQYNRRFVNVVPTFGKKKGPNANS P62861 40S ribosomal protein S7 Homo sapiens 0.022168914 1 LEVO MFSSSAKIVKPNGEKPDEFESGISQALLELEMNSDLKAQLRELNITAAKEIEVGGGRKAIIIFVPVPQLKSFQKIQVRLV RELEKKFSGKHVVFIAQRRILPKPTRKSRTKNKQKRPRSRTLTAVHDAILEDLVFPSEIVGKRIRVKLDGSRLIKVHLDK AQQNNVEHKVETFSGVYKKLTGKDVNFEFPEFQL P62081 40S ribosomal protein S27 Homo sapiens 0.009480186 1 LEVO MPLAKDLLHPSPEEEKRKHKKKRLVQSPNSYFMDVKCPGCYKITTVFSHAQTVVLCVGCSTVLCQPTGGKARLTEGCSFR RKQH P42677 40S ribosomal protein S13 Homo sapiens 0.017259389 1 LEVO MGRMHAPGKGLSQSALPYRRSVPTWLKLTSDDVKEQIYKLAKKGLTPSQIGVILRDSHGVAQVRFVTGNKILRILKSKGL APDLPEDLYHLIKKAVAVRKHLERNRKDKDAKFRLILIESRIHRLARYYKTKRVLPPNWKYESSTASALVA P62277 40S ribosomal protein S15a Homo sapiens 0.014865554999999999 1 LEVO MVRMNVLADALKSINNAEKRGKRQVLIRPCSKVIVRFLTVMMKHGYIGEFEIIDDHRAGKIVVNLTGRLNKCGVISPRFD VQLKDLEKWQNNLLPSRQFGFIVLTTSAGIMDHEEARRKHTGGKILGFFF P62244 40S ribosomal protein S21 Homo sapiens 0.009124388999999998 1 LEVO MQNDAGEFVDLYVPRKCSASNRIIGAKDHASIQMNVAEVDKVTGRFNGQFKTYAICGAIRRMGESDDSILRLAKADGIVS KNF P63220 40S ribosomal protein S2 Homo sapiens 0.031376516 1 LEVO MADDAGAAGGPGGPGGPGMGNRGGFRGGFGSGIRGRGRGRGRGRGRGRGARGGKAEDKEWMPVTKLGRLVKDMKIKSLEE IYLFSLPIKESEIIDFFLGASLKDEVLKIMPVQKQTRAGQRTRFKAFVAIGDYNGHVGLGVKCSKEVATAIRGAIILAKL SIVPVRRGYWGNKIGKPHTVPCKVTGRCGSVLVRLIPAPRGTGIVSAPVPKKLLMMAGIDDCYTSARGCTATLGNFAKAT FDAISKTYSYLTPDLWKETVFTKSPYQEFTDHLVKTHTRVSVQRTQAPAVATT P15880 40S ribosomal protein S17 Homo sapiens 0.015578156000000001 1 LEVO MGRVRTKTVKKAARVIIEKYYTRLGNDFHTNKRVCEEIAIIPSKKLRNKIAGYVTHLMKRIQRGPVRGISIKLQEEERER RDNYVPEVSALDQEIIEVDPDTKEMLKLLDFGSLSNLQVTQPTVGMNFKTPRGPV P08708 40S ribosomal protein SA Homo sapiens 0.032883938 1 LEVO MSGALDVLQMKEEDVLKFLAAGTHLGGTNLDFQMEQYIYKRKSDGIYIINLKRTWEKLLLAARAIVAIENPADVSVISSR NTGQRAVLKFAAATGATPIAGRFTPGTFTNQIQAAFREPRLLVVTDPRADHQPLTEASYVNLPTIALCNTDSPLRYVDIA IPCNNKGAHSVGLMWWMLAREVLRMRGTISREHPWEVMPDLYFYRDPEEIEKEEQAAAEKAVTKEEFQGEWTAPAPEFTA TQPEVADWSEGVQVPSVPIQQFPTEDWSAQPATEDWSAAPTAQATEWVGATTDWS P08865 40S ribosomal protein S3a Homo sapiens 0.030002061 1 LEVO MAVGKNKRLTKGGKKGAKKKVVDPFSKKDWYDVKAPAMFNIRNIGKTLVTRTQGTKIASDGLKGRVFEVSLADLQNDEVA FRKFKLITEDVQGKNCLTNFHGMDLTRDKMCSMVKKWQTMIEAHVDVKTTDGYLLRLFCVGFTKKRNNQIRKTSYAQHQQ VRQIRKKMMEIMTREVQTNDLKEVVNKLIPDSIGKDIEKACQSIYPLHDVFVRKVKMLKKPKFELGKLMELHGEGSSSGK ATGDETGAKVERADGYEPPVQESV P61247 40S ribosomal protein S14 Homo sapiens 0.016302772 1 LEVO MAPRKGKEKKEEQVISLGPQVAEGENVFGVCHIFASFNDTFVHVTDLSGKETICRVTGGMKVKADRDESSPYAAMLAAQD VAQRCKELGITALHIKLRATGGNRTKTPGPGAQSALRALARSGMKIGRIEDVTPIPSDSTRRKGGRRGRRL P62263 40S ribosomal protein S26 Homo sapiens 0.013047531999999999 1 LEVO MTKKRRNNGRAKKGRGHVQPIRCTNCARCVPKDKAIKKFVIRNIVEAAAVRDISEASVFDAYVLPKLYVKLHYCVSCAIH SKVVRNRSREARKDRTPPPRFRPAGAAPRPPPKPM P62854 40S ribosomal protein S8 Homo sapiens 0.024263386999999997 1 LEVO MGISRDNWHKRRKTGGKRKPYHKKRKYELGRPAANTKIGPRRIHTVRVRGGNKKYRALRLDVGNFSWGSECCTRKTRIID VVYNASNNELVRTKTLVKNCIVLIDSTPYRQWYESHYALPLGRKKGAKLTPEEEEILNKKRSKKIQKKYDERKKNAKISS LLEEQFQQGKLLACIASRPGQCGRADGYVLEGKELEFYLRKIKARKGK P62241 40S ribosomal protein S6 Homo sapiens 0.028751905999999997 1 LEVO MKLNISFPATGCQKLIEVDDERKLRTFYEKRMATEVAADALGEEWKGYVVRISGGNDKQGFPMKQGVLTHGRVRLLLSKG HSCYRPRRTGERKRKSVRGCIVDANLSVLNLVIVKKGEKDIPGLTDTTVPRRLGPKRASRIRKLFNLSKEDDVRQYVVRK PLNKEGKKPRTKAPKIQRLVTPRVLQHKRRRIALKKQRTKKNKEEAAEYAKLLAKRMKEAKEKRQEQIAKRRRLSSLRAS TSKSESSQK P62753 40S ribosomal protein S24 Homo sapiens 0.015463333 1 LEVO MNDTVTIRTRKFMTNRLLQRKQMVIDVLHPGKATVPKTEIREKLAKMYKTTPDVIFVFGFRTHFGGGKTTGFGMIYDSLD YAKKNEPKHRLARHGLYEKKKTSRKQRKERKNRMKKVRGTAKANVGAGKKPKE P62847 40S ribosomal protein S5 Homo sapiens 0.022913453 1 LEVO MTEWETAAPAVAETPDIKLFGKWSTDDVQINDISLQDYIAVKEKYAKYLPHSAGRYAAKRFRKAQCPIVERLTNSMMMHG RNNGKKLMTVRIVKHAFEIIHLLTGENPLQVLVNAIINSGPREDSTRIGRAGTVRRQAVDVSPLRRVNQAIWLLCTGARE AAFRNIKTIAECLADELINAAKGSSNSYAIKKKDELERVAKSNR P46782 40S ribosomal protein S16 Homo sapiens 0.016477377 1 LEVO MPSKGPLQSVQVFGRKKTATAVAHCKRGNGLIKVNGRPLEMIEPRTLQYKLLEPVLLLGKERFAGVDIRVRVKGGGHVAQ IYAIRQSISKALVAYYQKYVDEASKKEIKDILIQYDRTLLVADPRRCESKKFGGPGARARYQKSYR P62249 40S ribosomal protein S3 Homo sapiens 0.026729368999999996 1 LEVO MAVQISKKRKFVADGIFKAELNEFLTRELAEDGYSGVEVRVTPTRTEIIILATRTQNVLGEKGRRIRELTAVVQKRFGFP EGSVELYAEKVATRGLCAIAQAESLRYKLLGGLAVRRACYGVLRFIMESGAKGCEVVVSGKLRGQRAKSMKFVDGLMIHS GDPVNYYVDTAVRHVLLRQGVLGIKVKIMLPWDPTGKIGPKKPLPDHVSIVEPKDEILPTTPISEQKGGKPEPPAMPQPV PTA P23396 4.2.99.18 40S ribosomal protein S10 Homo sapiens 0.018933846 1 LEVO MLMPKKNRIAIYELLFKEGVMVAKKDVHMPKHPELADKNVPNLHVMKAMQSLKSRGYVKEQFAWRHFYWYLTNEGIQYLR DYLHLPPEIVPATLRRSRPETGRPRPKGLEGERPARLTRGEADRDTYRRSAVPPGADKKAEAGAGSATEFQFRGGFGRGR GQPPQ P46783 40S ribosomal protein S15 Homo sapiens 0.017076206999999996 1 LEVO MAEVEQKKKRTFRKFTYRGVDLDQLLDMSYEQLMQLYSARQRRRLNRGLRRKQHSLLKRLRKAKKEAPPMEKPEVVKTHL RDMIILPEMVGSMVGVYNGKTFNQVEIKPEMIGHYLGEFSITYKPVKHGRPGIGATHSSRFIPLK P62841 Receptor of activated protein C kinase 1 Homo sapiens 0.035115652 1 LEVO MTEQMTLRGTLKGHNGWVTQIATTPQFPDMILSASRDKTIIMWKLTRDETNYGIPQRALRGHSHFVSDVVISSDGQFALS GSWDGTLRLWDLTTGTTTRRFVGHTKDVLSVAFSSDNRQIVSGSRDKTIKLWNTLGVCKYTVQDESHSEWVSCVRFSPNS SNPIIVSCGWDKLVKVWNLANCKLKTNHIGHTGYLNTVTVSPDGSLCASGGKDGQAMLWDLNEGKHLYTLDGGDIINALC FSPNRYWLCAATGPSIKIWDLEGKIIVDELKQEVISTSSKAEPPQCTSLAWSADGQTLFAGYTDNLVRVWQVTIGTR P63244 40S ribosomal protein S19 Homo sapiens 0.016091562 1 LEVO MPGVTVKDVNQQEFVRALAAFLKKSGKLKVPEWVDTVKLAKHKELAPYDENWFYTRAASTARHLYLRGGAGVGSMTKIYG GRQRNGVMPSHFSRGSKSVARRVLQALEGLKMVEKDQDGGRKLTPQGQRDLDRIAGQVAAANKKH P39019 40S ribosomal protein S25 Homo sapiens 0.013776224 1 LEVO MPPKDDKKKKDAGKSAKKDKDPVNKSGGKAKKKKWSKGKVRDKLNNLVLFDKATYDKLCKEVPNYKLITPAVVSERLKIR GSLARAALQELLSKGLIKLVSKHRAQVIYTRNTKGGDAPAAGEDA P62851 40S ribosomal protein S18 Homo sapiens 0.017759776999999997 1 LEVO MSLVIPEKFQHILRVLNTNIDGRRKIAFAITAIKGVGRRYAHVVLRKADIDLTKRAGELTEDEVERVITIMQNPRQYKIP DWFLNRQKDVKDGKYSQVLANGLDNKLREDLERLKKIRAHRGLRHFWGLRVRGQHTKTTGRRGRTVGVSKKK P62269 40S ribosomal protein S20 Homo sapiens 0.013398763000000001 1 LEVO MAFKDTGKTPVEPEVAIHRIRITLTSRNVKSLEKVCADLIRGAKEKNLKVKGPVRMPTKTLRITTRKTPCGEGSKTWDRF QMRIHKRLIDLHSPSEIVKQITSISIEPGVEVEVTIADA P60866 40S ribosomal protein S29 Homo sapiens 0.006690821 1 LEVO MGHQQLYWSHPRKFGQGSRSCRVCSNRHGLIRKYGLNMCRQCFRQYAKDIGFIKLD P62273 Ubiquitin Homo sapiens 0.018004041000000002 1 LEVO MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGGAKKR KKKSYTTPKKNKHKRKKVKLAVLKYYKVDENGKISRLRRECPSDECGAGVFMASHFDRHYCGKCCLTYCFNKPEDK P62979 40S ribosomal protein S12 Homo sapiens 0.014538986999999998 1 LEVO MAEEGIAAGGVMDVNTALQEVLKTALIHDGLARGIREAAKALDKRQAHLCVLASNCDEPMYVKLVEALCAEHQINLIKVD DNKKLGEWVGLCKIDREGKPRKVVGCSCVVVKDYGKESQAKDVIEEYFKCKK P25398 40S ribosomal protein S28 Homo sapiens 0.007855052 1 LEVO MDTSRVQPIKLARVTKVLGRTGSQGQCTQVRVEFMDDTSRSIIRNVKGPVREGDVLTLLESEREARRLR P62857 Eukaryotic translation initiation factor 3 subunit G Homo sapiens 0.035662016000000005 1 LEVO MPTGDFDSKPSWADQVEEEGEDDKCVTSELLKGIPLATGDTSPEPELLPGAPLPPPKEVINGNIKTVTEYKIDEDGKKFK IVRTFRIETRKASKAVARRKNWKKFGNSEFDPPGPNVATTTVSDDVSMTFITSKEDLNCQEEEDPMNKLKGQKIVSCRIC KGDHWTTRCPYKDTLGPMQKELAEQLGLSTGEKEKLPGELEPVQATQNKTGKYVPPSLRDGASRRGESMQPNRRADDNAT IRVTNLSEDTRETDLQELFRPFGSISRIYLAKDKTTGQSKGFAFISFHRREDAARAIAGVSGFGYDHLILNVEWAKPSTN O75821 Eukaryotic translation initiation factor 1A, X-chromosomal Homo sapiens 0.016488449 1 Escherichia coli LEVO MPKNKGKGGKNRRRGKNENESEKRELVFKEDGQEYAQVIKMLGNGRLEAMCFDGVKRLCHIRGKLRKKVWINTSDIILVG LRDYQDNKADVILKYNADEARSLKAYGELPEHAKINETDTFGPGDDDEIQFDDIGDDDEDIDDI P47813 Eukaryotic translation initiation factor 2 subunit 1 Homo sapiens 0.03616118 1 LEVO MPGLSCRFYQHKFPEVEDVVMVNVRSIAEMGAYVSLLEYNNIEGMILLSELSRRRIRSINKLIRIGRNECVVVIRVDKEK GYIDLSKRRVSPEEAIKCEDKFTKSKTVYSILRHVAEVLEYTKDEQLESLFQRTAWVFDDKYKRPGYGAYDAFKHAVSDP SILDSLDLNEDEREVLINNINRRLTPQAVKIRADIEVACYGYEGIDAVKEALRAGLNCSTENMPIKINLIAPPRYVMTTT TLERTEGLSVLSQAMAVIKEKIEEKRGVFNVQMEPKVVTDTDETELARQMERLERENAEVDGDDDAEEMEAKAED P05198 Eukaryotic translation initiation factor 2 subunit 3 Homo sapiens 0.051178406 1 LEVO MAGGEAGVTLGQPHLSRQDLTTLDVTKLTPLSHEVISRQATINIGTIGHVAHGKSTVVKAISGVHTVRFKNELERNITIK LGYANAKIYKLDDPSCPRPECYRSCGSSTPDEFPTDIPGTKGNFKLVRHVSFVDCPGHDILMATMLNGAAVMDAALLLIA GNESCPQPQTSEHLAAIEIMKLKHILILQNKIDLVKESQAKEQYEQILAFVQGTVAEGAPIIPISAQLKYNIEVVCEYIV KKIPVPPRDFTSEPRLIVIRSFDVNKPGCEVDDLKGGVAGGSILKGVLKVGQEIEVRPGIVSKDSEGKLMCKPIFSKIVS LFAEHNDLQYAAPGGLIGVGTKIDPTLCRADRMVGQVLGAVGALPEIFTELEISYFLLRRLLGVRTEGDKKAAKVQKLSK NEVLMVNIGSLSTGGRVSAVKADLGKIVLTNPVCTEVGEKIALSRRVEKHWRLIGWGQIRRGVTIKPTVDDD P41091 3.6.5.3 Eukaryotic translation initiation factor 3 subunit A Homo sapiens 0.16690378099999997 1 LEVO MPAYFQRPENALKRANEFLEVGKKQPALDVLYDVMKSKKHRTWQKIHEPIMLKYLELCVDLRKSHLAKEGLYQYKNICQQ VNIKSLEDVVRAYLKMAEEKTEAAKEESQQMVLDIEDLDNIQTPESVLLSAVSGEDTQDRTDRLLLTPWVKFLWESYRQC LDLLRNNSRVERLYHDIAQQAFKFCLQYTRKAEFRKLCDNLRMHLSQIQRHHNQSTAINLNNPESQSMHLETRLVQLDSA ISMELWQEAFKAVEDIHGLFSLSKKPPKPQLMANYYNKVSTVFWKSGNALFHASTLHRLYHLSREMRKNLTQDEMQRMST RVLLATLSIPITPERTDIARLLDMDGIIVEKQRRLATLLGLQAPPTRIGLINDMVRFNVLQYVVPEVKDLYNWLEVEFNP LKLCERVTKVLNWVREQPEKEPELQQYVPQLQNNTILRLLQQVSQIYQSIEFSRLTSLVPFVDAFQLERAIVDAARHCDL QVRIDHTSRTLSFGSDLNYATREDAPIGPHLQSMPSEQIRNQLTAMSSVLAKALEVIKPAHILQEKEEQHQLAVTAYLKN SRKEHQRILARRQTIEERKERLESLNIQREKEELEQREAELQKVRKAEEERLRQEAKEREKERILQEHEQIKKKTVRERL EQIKKTELGAKAFKDIDIEDLEELDPDFIMAKQVEQLEKEKKELQERLKNQEKKIDYFERAKRLEEIPLIKSAYEEQRIK DMDLWEQQEEERITTMQLEREKALEHKNRMSRMLEDRDLFVMRLKAARQSVYEEKLKQFEERLAEERHNRLEERKRQRKE ERRITYYREKEEEEQRRAEEQMLKEREERERAERAKREEELREYQERVKKLEEVERKKRQRELEIEERERRREEERRLGD SSLSRKDSRWGDRDSEGTWRKGPEADSEWRRGPPEKEWRRGEGRDEDRSHRRDEERPRRLGDDEDREPSLRPDDDRVPRR GMDDDRGPRRGPEEDRFSRRGADDDRPSWRNTDDDRPPRRIADEDRGNWRHADDDRPPRRGLDEDRGSWRTADEDRGPRR GMDDDRGPRRGGADDERSSWRNADDDRGPRRGLDDDRGPRRGMDDDRGPRRGMDDDRGPRRGMDDDRGPRRGLDDDRGPW RNADDDRIPRRGAEDDRGPWRNMDDDRLSRRADDDRFPRRGDDSRPGPWRPLVKPGGWREKEKAREESWGPPRESRPSEE REWDREKERDRDNQDREENDKDPERERDRERDVDREDRFRRPRDEGGWRRGPAEESSSWRDSSRRDDRDRDDRRRERDDR RDLRERRDLRDDRDRRGPPLRSEREEVSSWRRADDRKDDRVEERDPPRRVPPPALSRDRERDRDREREGEKEKASWRAEK DRESLRRTKNETDEDGWTTVRR Q14152 Eukaryotic translation initiation factor 3 subunit E Homo sapiens 0.052281633 1 LEVO MAEYDLTTRIAHFLDRHLVFPLLEFLSVKEIYNEKELLQGKLDLLSDTNMVDFAMDVYKNLYSDDIPHALREKRTTVVAQ LKQLQAETEPIVKMFEDPETTRQMQSTRDGRMLFDYLADKHGFRQEYLDTLYRYAKFQYECGNYSGAAEYLYFFRVLVPA TDRNALSSLWGKLASEILMQNWDAAMEDLTRLKETIDNNSVSSPLQSLQQRTWLIHWSLFVFFNHPKGRDNIIDLFLYQP QYLNAIQTMCPHILRYLTTAVITNKDVRKRRQVLKDLVKVIQQESYTYKDPITEFVECLYVNFDFDGAQKKLRECESVLV NDFFLVACLEDFIENARLFIFETFCRIHQCISINMLADKLNMTPEEAERWIVNLIRNARLDAKIDSKLGHVVMGNNAVSP YQQVIEKTKSLSFRSQMLAMNIEKKLNQNSRSEAPNWATQDSGFY P60228 Initiator Met-tRNA-i Homo sapiens 0.024231509999999998 1 AGCAGAGUGGCGCAGCGGAAGCGUGCUGGGCCCAUAACCCAGAGGUCGAUGGAUCGAAACCAUCCUCUGCUACCA K00328.1 Eukaryotic translation initiation factor 3 subunit D Homo sapiens 0.064060758 1 LEVO MAKFMTPVIQDNPSGWGPCAVPEQFRDMPYQPFSKGDRLGKVADWTGATYQDKRYTNKYSSQFGGGSQYAYFHEEDESSF QLVDTARTQKTAYQRNRMRFAQRNLRRDKDRRNMLQFNLQILPKSAKQKERERIRLQKKFQKQFGVRQKWDQKSQKPRDS SVEVRSDWEVKEEMDFPQLMKMRYLEVSEPQDIECCGALEYYDKAFDRITTRSEKPLRSIKRIFHTVTTTDDPVIRKLAK TQGNVFATDAILATLMSCTRSVYSWDIVVQRVGSKLFFDKRDNSDFDLLTVSETANEPPQDEGNSFNSPRNLAMEATYIN HNFSQQCLRMGKERYNFPNPNPFVEDDMDKNEIASVAYRYRRWKLGDDIDLIVRCEHDGVMTGANGEVSFINIKTLNEWD SRHCNGVDWRQKLDSQRGAVIATELKNNSYKLARWTCCALLAGSEYLKLGYVSRYHVKDSSRHVILGTQQFKPNEFASQI NLSVENAWGILRCVIDICMKLEEGKYLILKDPNKQVIRVYSLPDGTFSSDEDEEEEEEEEEEEEEEET O15371 Eukaryotic translation initiation factor 3 subunit C Homo sapiens 0.105503945 1 LEVO MSRFFTTGSDSESESSLSGEELVTKPVGGNYGKQPLLLSEDEEDTKRVVRSAKDKRFEELTNLIRTIRNAMKIRDVTKCL EEFELLGKAYGKAKSIVDKEGVPRFYIRILADLEDYLNELWEDKEGKKKMNKNNAKALSTLRQKIRKYNRDFESHITSYK QNPEQSADEDAEKNEEDSEGSSDEDEDEDGVSAATFLKKKSEAPSGESRKFLKKMDDEDEDSEDSEDDEDWDTGSTSSDS DSEEEEGKQTALASRFLKKAPTTDEDKKAAEKKREDKAKKKHDRKSKRLDEEEEDNEGGEWERVRGGVPLVKEKPKMFAK GTEITHAVVIKKLNEILQARGKKGTDRAAQIELLQLLVQIAAENNLGEGVIVKIKFNIIASLYDYNPNLATYMKPEMWGK CLDCINELMDILFANPNIFVGENILEESENLHNADQPLRVRGCILTLVERMDEEFTKIMQNTDPHSQEYVEHLKDEAQVC AIIERVQRYLEEKGTTEEVCRIYLLRILHTYYKFDYKAHQRQLTPPEGSSKSEQDQAENEGEDSAVLMERLCKYIYAKDR TDRIRTCAILCHIYHHALHSRWYQARDLMLMSHLQDNIQHADPPVQILYNRTMVQLGICAFRQGLTKDAHNALLDIQSSG RAKELLGQGLLLRSLQERNQEQEKVERRRQVPFHLHINLELLECVYLVSAMLLEIPYMAAHESDARRRMISKQFHHQLRV GERQPLLGPPESMREHVVAASKAMKMGDWKTCHSFIINEKMNGKVWDLFPEADKVRTMLVRKIQEESLRTYLFTYSSVYD SISMETLSDMFELDLPTVHSIISKMIINEELMASLDQPTQTVVMHRTEPTAQQNLALQLAEKLGSLVENNERVFDHKQGT YGGYFRDQKDGYRKNEGYMRRGGYRQQQSQTAY Q99613 Eukaryotic translation initiation factor 5 Homo sapiens 0.049188593999999995 1 Escherichia coli LEVO MSVNVNRSVSDQFYRYKMPRLIAKVEGKGNGIKTVIVNMVDVAKALNRPPTYPTKYFGCELGAQTQFDVKNDRYIVNGSH EANKLQDMLDGFIKKFVLCPECENPETDLHVNPKKQTIGNSCKACGYRGMLDTHHKLCTFILKNPPENSDSGTGKKEKEK KNRKGKDKENGSVSSSETPPPPPPPNEINPPPHTMEEEEDDDWGEDTTEEAQRRRMDEISDHAKVLTLSDDLERTIEERV NILFDFVKKKKEEGVIDSSDKEIVAEAERLDVKAMGPLVLTEVLFNEKIREQIKKYRRHFLRFCHNNKKAQRYLLHGLEC VVAMHQAQLISKIPHILKEMYDADLLEEEVIISWSEKASKKYVSKELAKEIRVKAEPFIKWLKEAEEESSGGEEEDEDEN IEVVYSKAASVPKVETVKSDNKDDDIDIDA P55010 MAGNESIUM ION 2.4305e-05 87 MG ZINC ION 6.5409e-05 2 ZN singleParticle particle 7.5 20.0 HEPES 95.0 KOAc Potassium acetate 3.75 Mg(OAc)2 Magnesium acetate 1.0 ATP Adenosine triphosphate 0.5 GTP Guanosine triphosphate 2.0 DTT Dithiothreitol 0.25 Spermidine ETHANE HOMEMADE PLUNGER

Manual blotting & plunge-freezing.

FEI TITAN KRIOS SPOT SCAN BRIGHT FIELD FIELD EMISSION GUN 300 0.01 0.2 2.5 59000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN

Electron-optical aberrations were corrected using a CETCOR Cs-corrector (CEOS, Heidelberg) aligned with the CETCORPLUS 4.6.9 software package (CEOS, Heidelberg).

FEI FALCON III (4k x 4k) 1.5 45.0 1 Gctf 1.0.6 PHASE FLIPPING AND AMPLITUDE CORRECTION

Low resolution cryo-EM map of vacant human 40S subunit.

3.4 FSC 0.143 CUT-OFF RELION 4.0 61742 PROJECTION MATCHING RELION 4.0 PROJECTION MATCHING RELION 4.0 emd_17697.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 432 432 432 0 0 0 432 432 432 417.74402 417.74402 417.74402 90.0 90.0 90.0 Z Y X -8.712417 23.547647000000001 0.000000000000026 1.0 0.96700007 0.96700007 0.96700007 3.0 AUTHOR ::::EMDATABANK.org::::EMD-17697:::: emd_17697_msk_1.map emd_17697_additional_4.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 360 360 360 0 0 0 360 360 360 417.59998 417.59998 417.59998 90.0 90.0 90.0 X Y Z -0.014235157 0.06685142 0.0002508815 0.003996559 1.16 1.16 1.16 AUTHOR ::::EMDATABANK.org::::EMD-17697:::: Unsharpened main map from 3D refinement step emd_17697_additional_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 360 360 360 0 0 0 360 360 360 417.59998 417.59998 417.59998 90.0 90.0 90.0 X Y Z -0.013440958 0.04402778 0.00021600962 0.00381576 1.16 1.16 1.16 AUTHOR ::::EMDATABANK.org::::EMD-17697:::: eIF2-GDP substate 3 (48S-2-3) emd_17697_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 360 360 360 0 0 0 360 360 360 417.59998 417.59998 417.59998 90.0 90.0 90.0 X Y Z -0.014379842 0.044125192 0.00028620716 0.0040546614 1.16 1.16 1.16 AUTHOR ::::EMDATABANK.org::::EMD-17697:::: eIF2-GDP substate 1 (48S-2-1) emd_17697_additional_3.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 360 360 360 0 0 0 360 360 360 3.6 3.6 3.6 90.0 90.0 90.0 X Y Z -0.011663291 0.04523265 0.00024872556 0.003933234 0.01 0.01 0.01 AUTHOR ::::EMDATABANK.org::::EMD-17697:::: eIF2-GDP substate 2 (48S-2-2) emd_17697_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 360 360 360 0 0 0 360 360 360 417.59998 417.59998 417.59998 90.0 90.0 90.0 X Y Z -0.032427378 0.08722683 0.00025029143 0.005251477 1.16 1.16 1.16 AUTHOR ::::EMDATABANK.org::::EMD-17697:::: emd_17697_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 360 360 360 0 0 0 360 360 360 417.59998 417.59998 417.59998 90.0 90.0 90.0 X Y Z -0.03205923 0.08811433 0.00025141728 0.005149776 1.16 1.16 1.16 AUTHOR ::::EMDATABANK.org::::EMD-17697::::