8G7P: Escherichia coli 70S ribosome

Structure of the Escherichia coli 70S ribosome in complex with EF-Tu and Ile-tRNAIle(LAU) bound to the cognate AUA codon (Structure I). Determined by electron microscopy at 2.9 Å resolution. Released 6 Mar 2024.

Method
Electron microscopy
Resolution
2.9 Å
Organisms
Escherichia coli, Escherichia phage T4
Chains
58
Atoms
151,823
Mol. weight
2301.45 kDa
Ligands
MG, ILE, GCP, ZN
Released
6 Mar 2024

Explore 8G7P in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8G7P contains 230 α-helices and 325 β-strands across 51 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain 1: 2 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix11-3222
α-helix41-5919
Chain 2: 3 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand4-9698
α-helix18-2710
β-strand35-39598
α-helix42-487
α-helix49-546
β-strand55-58498
Chain 3: 2 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand10-1671
β-strand21-2661
β-strand32-3431
α-helix42-454
α-helix56-638
Chain 4: 3 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix7-93
α-helix10-167
α-helix17-193
β-strand29-3024
β-strand37-3824
β-strand48-4925
β-strand52-5325
Chain 5: 0 helices, 4 β-strands
ElementResiduesLengthSheet
β-strand7-13717
β-strand20-25617
β-strand35-40617
β-strand45-52817
Chain 6: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix9-168
α-helix18-214
α-helix28-3710
Chain 7: 2 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand15-16228
β-strand22-24328
α-helix38-425
β-strand48-49228
α-helix55-617
Chain 8: 1 helix, 4 β-strands
ElementResiduesLengthSheet
β-strand2-4333
β-strand14-18533
β-strand23-27533
α-helix31-333
β-strand35-37333

43 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
16S Ribosomal RNAaRNA1542Escherichia coli
30S ribosomal protein S2bprotein241Escherichia coliP0A7V0 (AlphaFold model)
30S ribosomal protein S3cprotein233Escherichia coliP0A7V3 (AlphaFold model)
30S ribosomal protein S4dprotein206Escherichia coliP0A7V8 (AlphaFold model)
30S ribosomal protein S5eprotein167Escherichia coliP0A7W1 (AlphaFold model)
30S ribosomal protein S6fprotein131Escherichia coliP02358
30S ribosomal protein S7gprotein156Escherichia coliP02359
30S ribosomal protein S8hprotein130Escherichia coliP0A7W7
30S ribosomal protein S9iprotein130Escherichia coliP0A7X3
30S ribosomal protein S10jprotein103Escherichia coliP0A7R5
30S ribosomal protein S11kprotein129Escherichia coliP0A7R9
30S ribosomal protein S12lprotein124Escherichia coliP0A7S3

45 more molecules are not listed.

Sequence of entity 1 (a), FASTA
>8G7P_1 16S Ribosomal RNA (chains a)
AAAUUGAAGAGUUUGAUCAUGGCUCAGAUUGAACGCUGGCGGCAGGCCUAACACAUGCAA
GUCGAACGGUAACAGGAAGAAGCUUGCUUCUUUGCUGACGAGUGGCGGACGGGUGAGUAA
UGUCUGGGAAACUGCCUGAUGGAGGGGGAUAACUACUGGAAACGGUAGCUAAUACCGCAU
AACGUCGCAAGACCAAAGAGGGGGACCUUCGGGCCUCUUGCCAUCGGAUGUGCCCAGAUG
GGAUUAGCUAGUAGGUGGGGUAACGGCUCACCUAGGCGACGAUCCCUAGCUGGUCUGAGA
GGAUGACCAGCCACACUGGAACUGAGACACGGUCCAGACUCCUACGGGAGGCAGCAGUGG
GGAAUAUUGCACAAUGGGCGCAAGCCUGAUGCAGCCAUGCCGCGUGUAUGAAGAAGGCCU
UCGGGUUGUAAAGUACUUUCAGCGGGGAGGAAGGGAGUAAAGUUAAUACCUUUGCUCAUU
GACGUUACCCGCAGAAGAAGCACCGGCUAACUCCGUGCCAGCAGCCGCGGUAAUACGGAG
GGUGCAAGCGUUAAUCGGAAUUACUGGGCGUAAAGCGCACGCAGGCGGUUUGUUAAGUCA
GAUGUGAAAUCCCCGGGCUCAACCUGGGAACUGCAUCUGAUACUGGCAAGCUUGAGUCUC
GUAGAGGGGGGUAGAAUUCCAGGUGUAGCGGUGAAAUGCGUAGAGAUCUGGAGGAAUACC
GGUGGCGAAGGCGGCCCCCUGGACGAAGACUGACGCUCAGGUGCGAAAGCGUGGGGAGCA
AACAGGAUUAGAUACCCUGGUAGUCCACGCCGUAAACGAUGUCGACUUGGAGGUUGUGCC
CUUGAGGCGUGGCUUCCGGAGCUAACGCGUUAAGUCGACCGCCUGGGGAGUACGGCCGCA
AGGUUAAAACUCAAAUGAAUUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAU
UCGAUGCAACGCGAAGAACCUUACCUGGUCUUGACAUCCACGGAAGUUUUCAGAGAUGAG
AAUGUGCCUUCGGGAACCGUGAGACAGGUGCUGCAUGGCUGUCGUCAGCUCGUGUUGUGA
AAUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCUUAUCCUUUGUUGCCAGCGGUCCGGC
CGGGAACUCAAAGGAGACUGCCAGUGAUAAACUGGAGGAAGGUGGGGAUGACGUCAAGUC
AUCAUGGCCCUUACGACCAGGGCUACACACGUGCUACAAUGGCGCAUACAAAGAGAAGCG
ACCUCGCGAGAGCAAGCGGACCUCAUAAAGUGCGUCGUAGUCCGGAUUGGAGUCUGCAAC
UCGACUCCAUGAAGUCGGAAUCGCUAGUAAUCGUGGAUCAGAAUGCCACGGUGAAUACGU
UCCCGGGCCUUGUACACACCGCCCGUCACACCAUGGGAGUGGGUUGCAAAAGAAGUAGGU
AGCUUAACCUUCGGGAGGGCGCUUACCACUUUGUGAUUCAUGACUGGGGUGAAGUCGUAA
CAAGGUAACCGUAGGGGAACCUGCGGUUGGAUCACCUCCUUA
Sequence of entity 2 (b), FASTA
>8G7P_2 30S ribosomal protein S2 (chains b)
MATVSMRDMLKAGVHFGHQTRYWNPKMKPFIFGARNKVHIINLEKTVPMFNEALAELNKI
ASRKGKILFVGTKRAASEAVKDAALSCDQFFVNHRWLGGMLTNWKTVRQSIKRLKDLETQ
SQDGTFEKLTKKEALMRTRELEKLENSLGGIKDMGGLPDALFVIDADHEHIAIKEANNLG
IPVFAIVDTNSDPDGVDFVIPGNDDAIRAVTLYLGAVAATVREGRSQDLASQAEESFVEA
E
Sequence of entity 3 (c), FASTA
>8G7P_3 30S ribosomal protein S3 (chains c)
MGQKVHPNGIRLGIVKPWNSTWFANTKEFADNLDSDFKVRQYLTKELAKASVSRIVIERP
AKSIRVTIHTARPGIVIGKKGEDVEKLRKVVADIAGVPAQINIAEVRKPELDAKLVADSI
TSQLERRVMFRRAMKRAVQNAMRLGAKGIKVEVSGRLGGAEIARTEWYREGRVPLHTLRA
DIDYNTSEAHTTYGVIGVKVWIFKGEILGGMAAVEQPEKPAAQPKKQQRKGRK
Sequence of entity 4 (d), FASTA
>8G7P_4 30S ribosomal protein S4 (chains d)
MARYLGPKLKLSRREGTDLFLKSGVRAIDTKCKIEQAPGQHGARKPRLSDYGVQLREKQK
VRRIYGVLERQFRNYYKEAARLKGNTGENLLALLEGRLDNVVYRMGFGATRAEARQLVSH
KAIMVNGRVVNIASYQVSPNDVVSIREKAKKQSRVKAALELAEQREKPTWLEVDAGKMEG
TFKRKPERSDLSADINEHLIVELYSK
Sequence of entity 5 (e), FASTA
>8G7P_5 30S ribosomal protein S5 (chains e)
MAHIEKQAGELQEKLIAVNRVSKTVKGGRIFSFTALTVVGDGNGRVGFGYGKAREVPAAI
QKAMEKARRNMINVALNNGTLQHPVKGVHTGSRVFMQPASEGTGIIAGGAMRAVLEVAGV
HNVLAKAYGSTNPINVVRATIDGLENMNSPEMVAAKRGKSVEEILGK
Sequence of entity 6 (f), FASTA
>8G7P_6 30S ribosomal protein S6 (chains f)
MRHYEIVFMVHPDQSEQVPGMIERYTAAITGAEGKIHRLEDWGRRQLAYPINKLHKAHYV
LMNVEAPQEVIDELETTFRFNDAVIRSMVMRTKHAVTEASPMVKAKDERRERRDDFANET
ADDAEAGDSEE
Sequence of entity 7 (g), FASTA
>8G7P_7 30S ribosomal protein S7 (chains g)
MPRRRVIGQRKILPDPKFGSELLAKFVNILMVDGKKSTAESIVYSALETLAQRSGKSELE
AFEVALENVRPTVEVKSRRVGGSTYQVPVEVRPVRRNALAMRWIVEAARKRGDKSMALRL
ANELSDAAENKGTAVKKREDVHRMAEANKAFAHYRW
Sequence of entity 8 (h), FASTA
>8G7P_8 30S ribosomal protein S8 (chains h)
MSMQDPIADMLTRIRNGQAANKAAVTMPSSKLKVAIANVLKEEGFIEDFKVEGDTKPELE
LTLKYFQGKAVVESIQRVSRPGLRIYKRKDELPKVMAGLGIAVVSTSKGVMTDRAARQAG
LGGEIICYVA
Sequence of entity 9 (i), FASTA
>8G7P_9 30S ribosomal protein S9 (chains i)
MAENQYYGTGRRKSSAARVFIKPGNGKIVINQRSLEQYFGRETARMVVRQPLELVDMVEK
LDLYITVKGGGISGQAGAIRHGITRALMEYDESLRSELRKAGFVTRDARQVERKKVGLRK
ARRRPQFSKR
Sequence of entity 10 (j), FASTA
>8G7P_10 30S ribosomal protein S10 (chains j)
MQNQRIRIRLKAFDHRLIDQATAEIVETAKRTGAQVRGPIPLPTRKERFTVLISPHVNKD
ARDQYEIRTHLRLVDIVEPTEKTVDALMRLDLAAGVDVQISLG
Sequence of entity 11 (k), FASTA
>8G7P_11 30S ribosomal protein S11 (chains k)
MAKAPIRARKRVRKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTP
FAAQVAAERCADAVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHDG
CRPPKKRRV
Sequence of entity 12 (l), FASTA
>8G7P_12 30S ribosomal protein S12 (chains l)
MATVNQLVRKPRARKVAKSNVPALEACPQKRGVCTRVYTTTPKKPNSALRKVCRVRLTNG
FEVTSYIGGEGHNLQEHSVILIRGGRVKXLPGVRYHTVRGALDCSGVKDRKQARSKYGVK
RPKA

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg876
ILEIsoleucineC6 H13 N O22
GCPPhosphomethylphosphonic acid guanylate esterC11 H18 N5 O13 P31
ZNZinc ionZn2

Water and common crystallization additives (K) are not listed.

Primary citation

Structures of the ribosome bound to EF-Tu-isoleucine tRNA elucidate the mechanism of AUG avoidance. Rybak, M.Y., Gagnon, M.G. Nat Struct Mol Biol (2024) 31:810-816. DOI 10.1038/s41594-024-01236-3 · PubMed

Other PDB entries of the same protein (UniProt P0A7V0 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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