| 1 | 8B0X|1|A (rep) | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli B | Bacteria | RF00177 | Translating 70S ribosome in the unrotated state (P and E, tRNAs) | Electron microscopy | 1.55 | 1500 | 2022-11-30 |
| 2 | 9Q87|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli B | Bacteria | RF00177 | Principles of ion binding to RNA inferred from the analysis of a 1.55 Angstrom resolution bacterial ribosome structure - Part I: Mg2+ | Electron microscopy | 1.55 | 1533 | 2025-05-14 |
| 3 | 9GHE|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Staphylococcus aureus FusB bound to the small subunit of the Escherichia coli 70S ribosome (FusB-70S:SSU) | Electron microscopy | 1.87 | 1514 | 2025-03-26 |
| 4 | 8FTO|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome with an improved MS2 tag inserted in H98 | Electron microscopy | 1.85 | 1519 | 2023-08-02 |
| 5 | 8BIM|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Initiation complex of the E. coli 70S ribosome with mRNA containing AAm6A codon in the A-site | Electron microscopy | 2.04 | 1534 | 2023-08-16 |
| 6 | 8BIL|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Initiation complex of the E. coli 70S ribosome with mRNA containing AAA codon in the A-site. | Electron microscopy | 2.04 | 1534 | 2023-08-16 |
| 7 | 9QQQ|1|A | Small subunit ribosomal RNA | E. coli 16S rRNA | Escherichia coli B | Bacteria | RF00177 | Cryo-EM structure of SKM-70S ribosomal stalled complex in the major state (vacant A-site, canon) | Electron microscopy | 2.26 | 1502 | 2026-02-18 |
| 8 | 8CGU|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Gentamicin bound to the 30S body | Electron microscopy | 1.89 | 1047 | 2023-07-26 |
| 9 | 8BGE|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating E. coli 70S ribosome containing acylated tRNA(iMet) in the P-site and AAm6A mRNA codon in the A-site after uncompleted di-peptide formation | Electron microscopy | 2.11 | 1534 | 2023-08-16 |
| 10 | 8CEP|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Round2 30S head (no antibiotic) | Electron microscopy | 2.04 | 1046 | 2023-07-19 |
| 11 | 9GHD|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Escherichia coli 70S ribosome in complex with Staphylococcus aureus FusB-EF-G (FusB-EF-G-70S*) | Electron microscopy | 2.41 | 1514 | 2025-03-26 |
| 12 | 8CGJ|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Streptomycin bound to the 30S body | Electron microscopy | 1.79 | 1130 | 2023-07-26 |
| 13 | 7K00|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the Bacterial Ribosome at 2 Angstrom Resolution | Electron microscopy | 1.98 | 1519 | 2020-09-23 |
| 14 | 9N2B|1|16 | Small subunit ribosomal RNA | 16S ribosomal RNA (rRNA) from the rrnB operon | Escherichia coli K-12 | Bacteria | RF00177 | Impacts of ribosomal RNA sequence variation on gene expression and phenotype: Cryo-EM structure of the rrsB ribosome (BBB-70S) | Electron microscopy | 2.2 | 1542 | 2025-03-19 |
| 15 | 9GHF|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Staphylococcus aureus FusB bound to the large subunit of the Escherichia coli 70S ribosome (FusB-70S:LSU) | Electron microscopy | 2.4 | 1514 | 2025-03-26 |
| 16 | 9GHB|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Fusidic acid-locked Escherichia coli 70S ribosome with Staphylococcus aureus EF-G in post-translocational state (POST) | Electron microscopy | 2.21 | 1514 | 2025-03-26 |
| 17 | 9QSJ|1|A | Small subunit ribosomal RNA | E. coli 16S rRNA | Escherichia coli B | Bacteria | RF00177 | Cryo-EM structure of SKM-70S ribosomal stalled complex in the A-tRNA positioned (Body open) state. | Electron microscopy | 2.62 | 1502 | 2026-02-18 |
| 18 | 8CGR|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Apramycin bound to the 30S body | Electron microscopy | 2.12 | 1060 | 2023-07-26 |
| 19 | 8BHL|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating E. coli 70S ribosome containing acylated tRNA(iMet) in the P-site and Am6AA mRNA codon in the A-site after uncompleted di-peptide formation | Electron microscopy | 2.21 | 1534 | 2023-08-16 |
| 20 | 8EIU|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome with A-loop mutations U2554C and U2555C | Electron microscopy | 2.24 | 1519 | 2023-02-01 |
| 21 | 8BHP|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating E. coli 70S ribosome containing acylated tRNA(iMet) in the P-site and m6AAA mRNA codon in the A-site after uncompleted di-peptide formation | Electron microscopy | 2.37 | 1534 | 2023-08-16 |
| 22 | 9N2C|1|16 | Small subunit ribosomal RNA | 16S ribosomal RNA (rRNA) from the rrnH operon | Escherichia coli K-12 | Bacteria | RF00177 | Impacts of ribosomal RNA sequence variation on gene expression and phenotype: Cryo-EM structure of the rrsH ribosome (HBB-70S) | Electron microscopy | 2.4 | 1542 | 2025-03-19 |
| 23 | 8CAI|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Streptomycin and Hygromycin B bound to the 30S body | Electron microscopy | 2.08 | 1114 | 2023-07-26 |
| 24 | 7N1P|1|16 | Small subunit ribosomal RNA | 16S rRNA, mRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating 70S ribosome complex in a classical pre-translocation (PRE-C) conformation | Electron microscopy | 2.33 | 1542 | 2021-07-14 |
| 25 | 9B4Z|1|AA | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complex (N1-methylated 16S A1408 + arbekacin) | Electron microscopy | 2.2 | 1539 | 2025-08-27 |
| 26 | 8BF7|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating E. coli 70S ribosome containing deacylated tRNA(iMet) in the P-site and AAA mRNA codon with cognate dipeptidyl-tRNA(Lys) in the A-site | Electron microscopy | 2.33 | 1534 | 2023-08-16 |
| 27 | 8HSP|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complexed with tRNA_Ile2 bearing L34 and t6A37 in classical state | Electron microscopy | 2.32 | 1519 | 2024-04-03 |
| 28 | 9GHA|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Fusidic acid-locked Escherichia coli 70S ribosome with Staphylococcus aureus EF-G and a tRNA in pe/E chimeric state (CHI) | Electron microscopy | 2.24 | 1526 | 2025-03-26 |
| 29 | 9B51|1|AA | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complex (N1-methylated 16S A1408 + G418) | Electron microscopy | 2.4 | 1539 | 2025-08-27 |
| 30 | 8EMM|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Composite 70S ribosome structure for "Atomistic simulations of the E. coli ribosome provide selection criteria for translationally active substrates | Electron microscopy | 2.1 | 1519 | 2023-05-31 |
| 31 | 9GUU|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli K-12 | Bacteria | RF00177 | 30S mRNA delivery complex (consensus) | Electron microscopy | 2.5 | 1539 | 2024-11-20 |
| 32 | 7S1I|1|C | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Wild-type Escherichia coli stalled ribosome with antibiotic radezolid | Electron microscopy | 2.48 | 1540 | 2022-03-02 |
| 33 | 8HTZ|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complexed with H. marismortui tRNA_Ile2 bearing agm2C34 in classical state | Electron microscopy | 2.4 | 1519 | 2024-04-03 |
| 34 | 7N2V|1|16 | Small subunit ribosomal RNA | 16S rRNA, mRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating 70S ribosome complex in a spectinomycin-stalled intermediate state of translocation bound to EF-G in an active, GTP conformation (INT1) | Electron microscopy | 2.54 | 1534 | 2021-07-14 |
| 35 | 7S1G|1|C | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | wild-type Escherichia coli stalled ribosome with antibiotic linezolid | Electron microscopy | 2.48 | 1540 | 2021-11-17 |
| 36 | 9CG5|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 70S initiation complex (tRNA-fMet M1 + UUG start codon) | Electron microscopy | 2.59 | 1519 | 2024-09-18 |
| 37 | 9CG6|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 70S initiation complex (tRNA-fMet M1 + GUG start codon) | Electron microscopy | 2.61 | 1519 | 2024-09-18 |
| 38 | 9SRO|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of SKM-70S ribosomal stalled complex in the rotated state with hybrid tRNAs | Electron microscopy | 2.6 | 1501 | 2026-02-18 |
| 39 | 9GUT|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli K-12 | Bacteria | RF00177 | 30S mRNA delivery complex (bS1 resolved) | Electron microscopy | 2.8 | 1539 | 2024-11-20 |
| 40 | 9H0L|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | 70S ribosome with cognate tRNASer3 bound to A-site AGC codon | Electron microscopy | 2.49 | 1529 | 2025-05-28 |
| 41 | 9FDA|1|B | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of E. coli 30S-IF1-IF3-mRNA-Edeine complex | Electron microscopy | 2 | 1051 | 2025-03-19 |
| 42 | 9GUV|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli K-12 | Bacteria | RF00177 | 30S mRNA delivery complex (closed-head) | Electron microscopy | 3 | 1539 | 2024-11-20 |
| 43 | 9GXX|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | 70S ribosome with doublet-decoding tRNASer3 bound to A-site GCA codon | Electron microscopy | 2.61 | 1520 | 2025-05-28 |
| 44 | 7S1H|1|C | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Wild-type Escherichia coli ribosome with antibiotic linezolid | Electron microscopy | 2.35 | 1540 | 2021-11-17 |
| 45 | 8YUO|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complexed with P. putida tRNAIle2 at the A-site and P-site | Electron microscopy | 2.25 | 1519 | 2024-11-06 |
| 46 | 7S1K|1|C | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Cfr-modified Escherichia coli stalled ribosome with antibiotic radezolid | Electron microscopy | 2.42 | 1540 | 2022-01-19 |
| 47 | 9AX7|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 70S initiation complex (tRNA-fMet M1 + CUG start codon) | Electron microscopy | 2.63 | 1519 | 2024-09-18 |
| 48 | 8ZFG|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Structure of the Bacterial Ribosome with hypoxia-induced rRNA modifications | Electron microscopy | 2.68 | 1512 | 2025-11-12 |
| 49 | 9H8G|1|A | Small subunit ribosomal RNA | 16S rRNA fragment (1078-MER) | Escherichia coli | Bacteria | RF00177 | Complex 5 30S-GE81112 | Electron microscopy | 2.09 | 1078 | 2025-08-06 |
| 50 | 8G7P|1|a | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Structure of the Escherichia coli 70S ribosome in complex with EF-Tu and Ile-tRNAIle(LAU) bound to the cognate AUA codon (Structure I) | Electron microscopy | 2.9 | 1529 | 2024-03-06 |
| 51 | 8IFB|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Dibekacin-bound E.coli 70S ribosome in the PURE system | Electron microscopy | 2.43 | 1519 | 2024-02-14 |
| 52 | 5J7L|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the 70S E coli ribosome with the U1052G mutation in the 16S rRNA bound to tetracycline | X-ray diffraction | 3 | 1534 | 2016-07-27 |
| 53 | 8YUQ|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complexed with P. putida tRNAIle2 and dA4 mRNA | Electron microscopy | 2.41 | 1519 | 2024-11-06 |
| 54 | 5MDV|1|2 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Structure of ArfA and RF2 bound to the 70S ribosome (accommodated state) | Electron microscopy | 2.97 | 1534 | 2016-12-14 |
| 55 | 8EKC|1|a | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Escherichia coli 70S ribosome bound to thermorubin, deacylated P-site tRNAfMet and aminoacylated A-site Phe-tRNA | Electron microscopy | 2.7 | 1528 | 2022-12-07 |
| 56 | 8YUP|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complexed with P. putida tRNAIle2 and A4 mRNA | Electron microscopy | 2.39 | 1519 | 2024-11-06 |
| 57 | 9R3A|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of Stalled Beta-Galactosidase 70S Ribosome Nascent Chain | Electron microscopy | 2.86 | 1513 | 2026-01-28 |
| 58 | 9AX8|1|a | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 70S initiation complex (tRNA-fMet M1, initiation factor 2 + CUG start codon) | Electron microscopy | 2.6 | 1539 | 2024-09-18 |
| 59 | 8ZTU|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | 70S ribosome arrested by PepNL | Electron microscopy | 2.9 | 1507 | 2025-03-19 |
| 60 | 7ST2|1|3 | Small subunit ribosomal RNA | 16S rRNA, mRNA | Escherichia coli K-12 | Bacteria | RF00177 | Post translocation, non-rotated 70S ribosome with EF-G dissociated (Structure VII) | Electron microscopy | 2.9 | 1539 | 2022-02-23 |
| 61 | 8YUS|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complexed with P.putida tRNAIle2 and A(F)4 mRNA | Electron microscopy | 2.43 | 1519 | 2024-11-06 |
| 62 | 9WNQ|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Structure of E.coli ribosome in complex with an engineered arrest peptide | Electron microscopy | 2.59 | 1533 | 2025-10-22 |
| 63 | 8ZTV|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | 70S ribosome arrested by PepNL with RF2 | Electron microscopy | 2.9 | 1507 | 2025-03-19 |
| 64 | 8FZH|1|a | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of an E. coli non-rotated ribosome termination complex bound with RF1, P- and E-site tRNAPhe (State II-D) | Electron microscopy | 2.9 | 1528 | 2024-07-17 |
| 65 | 7N31|1|16 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating 70S ribosome complex in a post-translocation (POST) conformation | Electron microscopy | 2.69 | 1533 | 2021-07-14 |
| 66 | 8CF1|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Tetracycline bound to the 30S head | Electron microscopy | 1.82 | 485 | 2023-07-26 |
| 67 | 7N2U|1|16 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating 70S ribosome complex in a hybrid-H1 pre-translocation (PRE-H1) conformation | Electron microscopy | 2.53 | 1534 | 2021-07-14 |
| 68 | 9GUP|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli K-12 | Bacteria | RF00177 | 30S mRNA delivery complex (open head) | Electron microscopy | 2.8 | 1539 | 2024-11-20 |
| 69 | 7UG7|1|16 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | 70S ribosome complex in an intermediate state of translocation bound to EF-G(GDP) stalled by Argyrin B | Electron microscopy | 2.58 | 1514 | 2022-05-18 |
| 70 | 9GHC|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Pre-release fusidic acid-locked Escherichia coli 70S ribosome with Staphylococus aureus EF-G and FusB (FusB-EF-G-70S) | Electron microscopy | 2.79 | 1514 | 2025-03-26 |
| 71 | 8G7R|1|a | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Structure of the Escherichia coli 70S ribosome in complex with A-site tRNAIle(LAU) bound to the cognate AUA codon (Structure III) | Electron microscopy | 2.8 | 1528 | 2024-03-06 |
| 72 | 9CG7|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 70S initiation complex (tRNA-fMet M1 + AUG start codon) | Electron microscopy | 2.75 | 1519 | 2024-09-18 |
| 73 | 4YBB|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | High-resolution structure of the Escherichia coli ribosome | X-ray diffraction | 2.1 | 1534 | 2015-03-18 |
| 74 | 8CGI|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Pentacycline TP038 bound to the 30S head | Electron microscopy | 1.89 | 460 | 2023-07-26 |
| 75 | 9SS6|1|D1 | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 70S ribosome from RimM-KO | Electron microscopy | 2.6 | 1539 | 2026-02-04 |
| 76 | 5NWY|1|0 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | 2.9 A cryo-EM structure of VemP-stalled ribosome-nascent chain complex | Electron microscopy | 2.9 | 1539 | 2017-07-19 |
| 77 | 8SYL|1|a | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of the Escherichia coli 70S ribosome in complex with amikacin, mRNA, and A-, P-, and E-site tRNAs | Electron microscopy | 2.9 | 1528 | 2023-08-09 |
| 78 | 9B50|1|AA | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complex (unmethylated 16S A1408 + arbekacin) | Electron microscopy | 2.7 | 1539 | 2025-08-27 |
| 79 | 8HU1|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complexed with tRNA_Ile2 bearing L34 and ct6A37 in classical state | Electron microscopy | 2.69 | 1519 | 2024-04-03 |
| 80 | 7ZTA|1|16S1 | Small subunit ribosomal RNA | 16S ribosomal RNA, mRNA | Escherichia coli K-12 | Bacteria | RF00177 | Structure of an Escherichia coli 70S ribosome stalled by Tetracenomycin X during translation of an MAAAPQK(C) peptide | Electron microscopy | 2.7 | 1534 | 2023-04-12 |
| 81 | 8ZEJ|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of E.coli ribosome in complex with an engineered arrest peptide | Electron microscopy | 2.69 | 1533 | 2025-06-18 |
| 82 | 8FZE|1|a | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of an E. coli non-rotated ribosome termination complex bound with RF1, P- and E-site tRNAPhe (State I-A) | Electron microscopy | 3 | 1528 | 2024-07-17 |
| 83 | 7OTC|1|a | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli BL21(DE3) | Bacteria | RF00177 | Cryo-EM structure of an Escherichia coli 70S ribosome in complex with elongation factor G and the antibiotic Argyrin B | Electron microscopy | 2.9 | 1533 | 2022-05-11 |
| 84 | 9FCO|1|B | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of E. coli 30S-IF1-IF3-mRNA-Kasugamycin complex | Electron microscopy | 2.4 | 1046 | 2025-03-19 |
| 85 | 7P3K|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Cryo-EM structure of 70S ribosome stalled with TnaC peptide (control) | Electron microscopy | 2.9 | 1519 | 2021-10-27 |
| 86 | 8CAZ|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | empty 30S head | Electron microscopy | 2.11 | 460 | 2023-07-26 |
| 87 | 8CF8|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Eravacycline bound to the 30S head | Electron microscopy | 2.2 | 460 | 2023-08-02 |
| 88 | 8YUR|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome complexed with P. putida tRNAIle2 and Am4 mRNA | Electron microscopy | 2.47 | 1519 | 2024-11-06 |
| 89 | 5WDT|1|a | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | 70S ribosome-EF-Tu H84A complex with GppNHp | Electron microscopy | 3 | 1540 | 2018-04-25 |
| 90 | 8G6W|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of WT E.coli 70S ribosome complexed with mRNA, P-site fMet-NH-tRNAfMet and A-site ortho-aminobenzoic acid charged NH-tRNAPhe | Electron microscopy | 2.02 | 1519 | 2023-04-05 |
| 91 | 7Y7F|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the Bacterial Ribosome with human tRNA Asp(ManQ34) and mRNA(GAC) | Electron microscopy | 2.43 | 1520 | 2023-10-25 |
| 92 | 8BGH|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating E. coli 70S ribosome containing acylated tRNA(iMet) in the P-site and AAA mRNA codon in the A-site after uncompleted di-peptide formation | Electron microscopy | 2.88 | 1534 | 2023-08-16 |
| 93 | 9IOT|1|a | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of Escherichia coli hibernating ribosome with RNase I mutant | Electron microscopy | 2.7 | 1534 | 2025-07-30 |
| 94 | 5WFS|1|a | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | 70S ribosome-EF-Tu H84A complex with GTP and near-cognate tRNA (Complex C4) | Electron microscopy | 3 | 1540 | 2018-05-02 |
| 95 | 9FIB|1|B | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of 30S-IF1-IF3-mRNA-GE81112A complex | Electron microscopy | 2.3 | 1045 | 2025-03-19 |
| 96 | 8CA7|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Omadacycline and spectinomycin bound to the 30S ribosomal subunit head | Electron microscopy | 2.06 | 502 | 2023-08-02 |
| 97 | 6ORE|1|2 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Release complex 70S | Electron microscopy | 2.9 | 1534 | 2019-06-19 |
| 98 | 7Y7G|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the Bacterial Ribosome with human tRNA Tyr(GalQ34) and mRNA(UAU) | Electron microscopy | 2.34 | 1520 | 2023-10-25 |
| 99 | 7NSO|1|a | Small subunit ribosomal RNA | 16S rRNA (1540-MER) | Escherichia coli | Bacteria | RF00177 | Structure of ErmDL-Erythromycin-stalled 70S E. coli ribosomal complex with P-tRNA | Electron microscopy | 2.9 | 1540 | 2021-07-14 |
| 100 | 5J7L|1|BA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the 70S E coli ribosome with the U1052G mutation in the 16S rRNA bound to tetracycline | X-ray diffraction | 3 | 1533 | 2016-07-27 |
| 101 | 7Y7E|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the Bacterial Ribosome with human tRNA Asp(ManQ34) and mRNA(GAU) | Electron microscopy | 2.41 | 1520 | 2023-10-25 |
| 102 | 9G06|1|B | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Structure of 30S-IF1-IF3-mRNA-fMet-tRNA-GE81112A complex | Electron microscopy | 2.85 | 1504 | 2025-03-19 |
| 103 | 8BH4|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating E. coli 70S ribosome containing deacylated tRNA(iMet) in the P-site and AAm6A mRNA codon with cognate dipeptidyl-tRNA(Lys) in the A-site | Electron microscopy | 2.62 | 1534 | 2023-08-16 |
| 104 | 9SS2|1|D1 | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 30S ribosomal subunit RimM-KO with IF1 and IF3 (State III) | Electron microscopy | 2.9 | 1539 | 2026-02-04 |
| 105 | 9NL5|1|R3 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli pre-elongation complex without an A-site tRNA with EQ2-EttA in Hydrolytic 1 conformation | Electron microscopy | 3 | 1531 | 2025-04-02 |
| 106 | 8FZJ|1|a | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of an E. coli rotated ribosome bound with RF3-GDPCP and p/E-tRNAPhe (Composite state II-C) | Electron microscopy | 3 | 1528 | 2024-07-17 |
| 107 | 7ST6|1|3 | Small subunit ribosomal RNA | 16S rRNA, mRNA | Escherichia coli K-12 | Bacteria | RF00177 | Pre translocation, non-rotated 70S ribosome (Structure I) | Electron microscopy | 3 | 1539 | 2022-02-23 |
| 108 | 4WOI|1|DA | Small subunit ribosomal RNA | 16S ribosomal RNA, Messenger RNA | Escherichia coli | Bacteria | RF00177 | 4,5-linked aminoglycoside antibiotics regulate the bacterial ribosome by targeting dynamic conformational processes within intersubunit bridge B2 | X-ray diffraction | 3 | 1539 | 2015-08-05 |
| 109 | 4WOI|1|AA | Small subunit ribosomal RNA | 16S ribosomal RNA, Messenger RNA | Escherichia coli | Bacteria | RF00177 | 4,5-linked aminoglycoside antibiotics regulate the bacterial ribosome by targeting dynamic conformational processes within intersubunit bridge B2 | X-ray diffraction | 3 | 1538 | 2015-08-05 |
| 110 | 7N2C|1|16 | Small subunit ribosomal RNA | 16S rRNA, Chains: mR | Escherichia coli K-12 | Bacteria | RF00177 | Elongating 70S ribosome complex in a fusidic acid-stalled intermediate state of translocation bound to EF-G(GDP) (INT2) | Electron microscopy | 2.72 | 1534 | 2021-07-14 |
| 111 | 6WD0|1|3 | Small subunit ribosomal RNA | 16S ribosomal RNA, mRNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure I-A) | Electron microscopy | 3 | 1539 | 2020-07-01 |
| 112 | 7OIZ|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Cryo-EM structure of 70S ribosome stalled with TnaC peptide | Electron microscopy | 2.9 | 1519 | 2021-09-15 |
| 113 | 5J91|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the Wild-type 70S E coli ribosome bound to Tigecycline | X-ray diffraction | 2.96 | 1534 | 2016-07-06 |
| 114 | 7BOD|1|A | Small subunit ribosomal RNA | 16S rRNA (body domain of 30S subunit) | Escherichia coli K-12 | Bacteria | RF00177 | Bacterial 30S ribosomal subunit assembly complex state M (body domain) | Electron microscopy | 2.88 | 1078 | 2021-07-07 |
| 115 | 8IFC|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Arbekacin-bound E.coli 70S ribosome in the PURE system | Electron microscopy | 2.9 | 1519 | 2024-02-14 |
| 116 | 4V9P|1|FA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Control of ribosomal subunit rotation by elongation factor G | X-ray diffraction | 2.9 | 1533 | 2014-07-09 |
| 117 | 7Y7C|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the Bacterial Ribosome with human tRNA Asp(G34) and mRNA(GAU) | Electron microscopy | 2.51 | 1520 | 2023-10-25 |
| 118 | 6WDE|1|3 | Small subunit ribosomal RNA | 16S ribosomal RNA, mRNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM of elongating ribosome with EF-Tu*GTP elucidates tRNA proofreading (Cognate Structure V-B) | Electron microscopy | 3 | 1539 | 2020-07-01 |
| 119 | 7NAR|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Complete Bacterial 30S ribosomal subunit assembly complex state F (+RsgA)(Consensus Refinement) | Electron microscopy | 3 | 1534 | 2021-12-08 |
| 120 | 9WNR|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of E.coli ribosome in complex with an engineered arrest peptide and trigger factor | Electron microscopy | 2.76 | 1533 | 2025-10-22 |
| 121 | 9RTU|1|a | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli K-12 | Bacteria | RF00177 | Structure of the 70S-EF-G(P610L)-GDP-Pi ribosome complex with tRNAs in hybrid state 1 (H1-EF-G(P610L)-GDP-Pi) | Electron microscopy | 3 | 1540 | 2025-10-01 |
| 122 | 4V9O|1|BA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Control of ribosomal subunit rotation by elongation factor G | X-ray diffraction | 2.9 | 1533 | 2014-07-09 |
| 123 | 8BHN|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating E. coli 70S ribosome containing deacylated tRNA(iMet) in the P-site and m6AAA mRNA codon with cognate dipeptidyl-tRNA(Lys) in the A-site | Electron microscopy | 2.85 | 1534 | 2023-08-16 |
| 124 | 4V9P|1|HA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Control of ribosomal subunit rotation by elongation factor G | X-ray diffraction | 2.9 | 1533 | 2014-07-09 |
| 125 | 8URM|1|2 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome with unmodified tRNAPro(GGG) bound to slippery P-site CCC-C codon and tRNAVal(UAC) in the A site | Electron microscopy | 3 | 1540 | 2025-07-09 |
| 126 | 7N30|1|16 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating 70S ribosome complex in a hybrid-H2* pre-translocation (PRE-H2*) conformation | Electron microscopy | 2.66 | 1526 | 2021-07-14 |
| 127 | 7Y7H|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the Bacterial Ribosome with human tRNA Tyr(GalQ34) and mRNA(UAC) | Electron microscopy | 2.51 | 1520 | 2023-10-25 |
| 128 | 9SS1|1|D1 | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 30S ribosomal subunit RimM-KO with IF1 and IF3 (State II) | Electron microscopy | 2.9 | 1525 | 2026-02-04 |
| 129 | 7Q4K|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Erythromycin-stalled Escherichia coli 70S ribosome with streptococcal MsrDL nascent chain | Electron microscopy | 3 | 1534 | 2022-11-16 |
| 130 | 4V9P|1|DA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Control of ribosomal subunit rotation by elongation factor G | X-ray diffraction | 2.9 | 1533 | 2014-07-09 |
| 131 | 7M5D|1|2 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of a non-rotated E.coli 70S ribosome in complex with RF3-GTP, RF1 and P-tRNA (state I) | Electron microscopy | 2.8 | 1534 | 2022-10-19 |
| 132 | 6H4N|1|a | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Structure of a hibernating 100S ribosome reveals an inactive conformation of the ribosomal protein S1 - 70S Hibernating E. coli Ribosome | Electron microscopy | 3 | 1534 | 2018-09-05 |
| 133 | 4V9O|1|FA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Control of ribosomal subunit rotation by elongation factor G | X-ray diffraction | 2.9 | 1533 | 2014-07-09 |
| 134 | 4V9P|1|BA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Control of ribosomal subunit rotation by elongation factor G | X-ray diffraction | 2.9 | 1533 | 2014-07-09 |
| 135 | 7BOF|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Bacterial 30S ribosomal subunit assembly complex state I (body domain) | Electron microscopy | 2.92 | 1070 | 2021-07-07 |
| 136 | 8BHJ|1|2 | Small subunit ribosomal RNA | 16S rRNA RRSB-RRNA | Escherichia coli K-12 | Bacteria | RF00177 | Elongating E. coli 70S ribosome containing deacylated tRNA(iMet) in the P-site and Am6AA mRNA codon with cognate dipeptidyl-tRNA(Lys) in the A-site | Electron microscopy | 2.81 | 1534 | 2023-08-16 |
| 137 | 7BOH|1|A | Small subunit ribosomal RNA | RNA (1527-MER) | Escherichia coli K-12 | Bacteria | RF00177 | Complete Bacterial 30S ribosomal subunit assembly complex state E (+RbfA)(Consensus Refinement) | Electron microscopy | 2.82 | 1527 | 2021-12-08 |
| 138 | 4YBB|1|BA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | High-resolution structure of the Escherichia coli ribosome | X-ray diffraction | 2.1 | 1533 | 2015-03-18 |
| 139 | 9PZG|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Bacterial ribosomal 2'-O-methyltransferase RsmI in complex with the small ribosomal subunit | Electron microscopy | 2.42 | 1532 | 2025-09-24 |
| 140 | 6XZB|1|A1 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | E. coli 70S ribosome in complex with dirithromycin, fMet-Phe-tRNA(Phe) and deacylated tRNA(iMet) (focused classification). | Electron microscopy | 2.54 | 1523 | 2020-11-04 |
| 141 | 4V9O|1|DA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Control of ribosomal subunit rotation by elongation factor G | X-ray diffraction | 2.9 | 1533 | 2014-07-09 |
| 142 | 8EYT|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | 30S_delta_ksgA+KsgA complex | Electron microscopy | 2.8 | 1415 | 2023-09-06 |
| 143 | 7BOI|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Bacterial 30S ribosomal subunit assembly complex state F (multibody refinement for body domain of 30S ribosome) | Electron microscopy | 2.98 | 1078 | 2021-07-07 |
| 144 | 7Y7D|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the Bacterial Ribosome with human tRNA Asp(Q34) and mRNA(GAU) | Electron microscopy | 2.58 | 1520 | 2023-10-25 |
| 145 | 9SS0|1|D1 | Small subunit ribosomal RNA | 16S Ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 30S ribosomal subunit RimM-KO with IF1 and IF3 (State I) | Electron microscopy | 3 | 1475 | 2026-02-04 |
| 146 | 6I7V|1|AA | Small subunit ribosomal RNA | 16S ribosmal RNA | Escherichia coli | Bacteria | RF00177 | Ribosomal protein paralogs bL31 and bL36 | X-ray diffraction | 2.9 | 1533 | 2018-12-05 |
| 147 | 7AF8|1|1 | Small subunit ribosomal RNA | 16SrRNA (head domain of the 30S ribosome | Escherichia coli | Bacteria | RF00177 | Bacterial 30S ribosomal subunit assembly complex state E (head domain) | Electron microscopy | 2.75 | 456 | 2021-07-07 |
| 148 | 7OE0|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | E. coli pre-30S delta rbfA ribosomal subunit class F | Electron microscopy | 2.69 | 1510 | 2021-07-14 |
| 149 | 8ZFI|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of E.coli ribosome in complex with an engineered arrest peptide and trigger factor | Electron microscopy | 2.9 | 1533 | 2025-06-18 |
| 150 | 4U1U|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to quinupristin. | X-ray diffraction | 2.95 | 1538 | 2014-07-30 |
| 151 | 6Y69|1|a | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of an Escherichia coli 70S ribosome in complex with antibiotic TetracenomycinX | Electron microscopy | 2.86 | 1539 | 2020-07-01 |
| 152 | 9DUL|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of mutant 30S subunit with extended helix 26, version 4 | Electron microscopy | 2.56 | 1517 | 2025-02-05 |
| 153 | 7AF3|1|1 | Small subunit ribosomal RNA | 16S rRNA (head) | Escherichia coli | Bacteria | RF00177 | Bacterial 30S ribosomal subunit assembly complex state M (head domain) | Electron microscopy | 2.82 | 456 | 2021-07-07 |
| 154 | 5IQR|1|2 | Small subunit ribosomal RNA | SSU rRNA | Escherichia coli | Bacteria | RF00177 | Structure of RelA bound to the 70S ribosome | Electron microscopy | 3 | 1533 | 2016-05-04 |
| 155 | 7AF5|1|1 | Small subunit ribosomal RNA | 16SrRNA (head domain of the 30S ribosome) | Escherichia coli | Bacteria | RF00177 | Bacterial 30S ribosomal subunit assembly complex state I (head domain) | Electron microscopy | 2.96 | 456 | 2021-07-07 |
| 156 | 6XZA|1|A1 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | E. coli 70S ribosome in complex with dirithromycin, and deacylated tRNA(iMet) (focused classification). | Electron microscopy | 2.66 | 1523 | 2020-11-04 |
| 157 | 5J91|1|BA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the Wild-type 70S E coli ribosome bound to Tigecycline | X-ray diffraction | 2.96 | 1533 | 2016-07-06 |
| 158 | 8GHU|1|a | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Methyltransferase RmtC bound to the 30S ribosomal subunit | Electron microscopy | 3 | 1532 | 2023-04-12 |
| 159 | 7BOE|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Bacterial 30S ribosomal subunit assembly complex state M (Consensus refinement) | Electron microscopy | 2.9 | 1534 | 2021-12-08 |
| 160 | 8UXB|1|2 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome with unmodified P/E-tRNAPro(GGG) bound to slippery P-site CCC-C codon | Electron microscopy | 2.9 | 1539 | 2025-07-09 |
| 161 | 9MQ4|1|2 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Damaged 70S ribosome with PrfH bound | Electron microscopy | 2.78 | 1534 | 2025-02-05 |
| 162 | 7B5K|1|a | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | E. coli 70S containing suppressor tRNA in the A-site stabilized by a Negamycin analogue and P-site tRNA-nascent chain. | Electron microscopy | 2.9 | 1533 | 2021-05-26 |
| 163 | 4U27|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to flopristin and linopristin. | X-ray diffraction | 2.8 | 1538 | 2014-07-30 |
| 164 | 7NAX|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Complete Bacterial 30S ribosomal subunit assembly complex state I (Consensus Refinement) | Electron microscopy | 2.96 | 1526 | 2021-12-08 |
| 165 | 7OI0|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | E.coli delta rbfA pre-30S ribosomal subunit class D | Electron microscopy | 2.76 | 963 | 2021-07-14 |
| 166 | 4V9O|1|HA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Control of ribosomal subunit rotation by elongation factor G | X-ray diffraction | 2.9 | 1533 | 2014-07-09 |
| 167 | 6I7V|1|BA | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Ribosomal protein paralogs bL31 and bL36 | X-ray diffraction | 2.9 | 1533 | 2018-12-05 |
| 168 | 4U26|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to dalfopristin and quinupristin. | X-ray diffraction | 2.8 | 1538 | 2014-07-30 |
| 169 | 4U1U|1|CA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to quinupristin. | X-ray diffraction | 2.95 | 1539 | 2014-07-30 |
| 170 | 7AFA|1|1 | Small subunit ribosomal RNA | 16SrRNA (head domain of the 30S ribosome) | Escherichia coli | Bacteria | RF00177 | Bacterial 30S ribosomal subunit assembly complex state F (head domain) | Electron microscopy | 2.95 | 456 | 2021-07-07 |
| 171 | 4U24|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to dalfopristin. | X-ray diffraction | 2.9 | 1538 | 2014-07-30 |
| 172 | 4U27|1|CA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to flopristin and linopristin. | X-ray diffraction | 2.8 | 1539 | 2014-07-30 |
| 173 | 4U25|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to virginiamycin M1. | X-ray diffraction | 2.9 | 1538 | 2014-07-30 |
| 174 | 9MOR|1|2 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Damaged 70S ribosome with PrfH bound | Electron microscopy | 2.65 | 1534 | 2025-02-05 |
| 175 | 4V9D|1|AA | Small subunit ribosomal RNA | 16S rRNA, messenger RNA | Escherichia coli | Bacteria | RF00177 | Structures of the bacterial ribosome in classical and hybrid states of tRNA binding | X-ray diffraction | 3 | 1538 | 2014-07-09 |
| 176 | 9DUK|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of mutant 30S subunit with extended helix 26, version 3 | Electron microscopy | 2.56 | 1518 | 2025-02-05 |
| 177 | 4U25|1|CA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to virginiamycin M1. | X-ray diffraction | 2.9 | 1539 | 2014-07-30 |
| 178 | 4V9D|1|BA | Small subunit ribosomal RNA | 16S rRNA, messenger RNA | Escherichia coli | Bacteria | RF00177 | Structures of the bacterial ribosome in classical and hybrid states of tRNA binding | X-ray diffraction | 3 | 1539 | 2014-07-09 |
| 179 | 4U20|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to flopristin. | X-ray diffraction | 2.9 | 1538 | 2014-07-30 |
| 180 | 4U26|1|CA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to dalfopristin and quinupristin. | X-ray diffraction | 2.8 | 1539 | 2014-07-30 |
| 181 | 4U1V|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to linopristin. | X-ray diffraction | 3 | 1538 | 2014-07-30 |
| 182 | 4U24|1|CA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to dalfopristin. | X-ray diffraction | 2.9 | 1539 | 2014-07-30 |
| 183 | 4U1V|1|CA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to linopristin. | X-ray diffraction | 3 | 1539 | 2014-07-30 |
| 184 | 4U20|1|CA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Crystal structure of the E. coli ribosome bound to flopristin. | X-ray diffraction | 2.9 | 1539 | 2014-07-30 |
| 185 | 8G2U|1|v | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Time-resolved cryo-EM study of the 70S recycling by the HflX:control-apo-70S at 900ms | Electron microscopy | 3 | 1539 | 2023-12-06 |
| 186 | 5J5B|1|AA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the WT E coli ribosome bound to tetracycline | X-ray diffraction | 2.8 | 1534 | 2016-07-27 |
| 187 | 5J5B|1|BA | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Structure of the WT E coli ribosome bound to tetracycline | X-ray diffraction | 2.8 | 1533 | 2016-07-27 |
| 188 | 7TOS|1|16S | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosomes bound with the ALS/FTD-associated dipeptide repeat protein PR20 | Electron microscopy | 2.9 | 1532 | 2022-05-25 |
| 189 | 8AYE|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S ribosome bound to thermorubin and fMet-tRNA | Electron microscopy | 1.96 | 1519 | 2023-03-01 |
| 190 | 8QOA|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Structure of SecM-stalled Escherichia coli 70S ribosome | Electron microscopy | 2 | 1513 | 2024-03-20 |
| 191 | 8QBT|1|i | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | E. coli ApdP-stalled ribosomal complex | Electron microscopy | 2.2 | 1539 | 2024-03-20 |
| 192 | 8R6C|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli BW25113 | Bacteria | RF00177 | 70S Escherichia coli ribosome with Paenilamicin B2 bound with A- and P-site tRNA. | Electron microscopy | 2.2 | 1519 | 2024-07-24 |
| 193 | 8AKN|1|B | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli BW25113 | Bacteria | RF00177 | Cryo-EM structure of the proline-rich antimicrobial peptide drosocin bound to the terminating ribosome | Electron microscopy | 2.3 | 1519 | 2023-03-08 |
| 194 | 9FBV|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli BW25113 | Bacteria | RF00177 | 70S Escherichia coli ribosome with P-site initiatior tRNA. | Electron microscopy | 2.4 | 1519 | 2024-06-26 |
| 195 | 8R8M|1|A | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli BW25113 | Bacteria | RF00177 | 70S Escherichia coli ribosome with Paenilamicin B2 bound with hybrid A/P- and hybrid P/E-tRNA. | Electron microscopy | 2.4 | 1519 | 2024-07-24 |
| 196 | 7S1J|1|C | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Wild-type Escherichia coli ribosome with antibiotic radezolid | Electron microscopy | 2.47 | 1540 | 2022-03-02 |
| 197 | 7O1A|1|AA | Small subunit ribosomal RNA | Ribosomal RNA 16S | Escherichia coli K-12 | Bacteria | RF00177 | Cryo-EM structure of an Escherichia coli TnaC(R23F)-ribosome complex stalled in response to L-tryptophan | Electron microscopy | 2.4 | 1534 | 2021-09-01 |
| 198 | 7SA4|1|2 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Damaged 70S ribosome with PrfH bound | Electron microscopy | 2.55 | 1534 | 2022-08-03 |
| 199 | 6YSS|1|a | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Structure of the P+9 ArfB-ribosome complex in the post-hydrolysis state | Electron microscopy | 2.6 | 1540 | 2020-08-19 |
| 200 | 7NWT|1|2 | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Initiated 70S ribosome in complex with 2A protein from encephalomyocarditis virus (EMCV) | Electron microscopy | 2.66 | 1534 | 2021-12-15 |
| 201 | 6TC3|1|16S1 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of an Escherichia coli ribosome-SpeFL complex stalled in response to L-ornithine (Replicate 1) | Electron microscopy | 2.7 | 1534 | 2020-01-01 |
| 202 | 6TBV|1|16S1 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | Cryo-EM structure of an Escherichia coli ribosome-SpeFL complex stalled in response to L-ornithine (Replicate 2) | Electron microscopy | 2.7 | 1534 | 2020-01-01 |
| 203 | 8QK7|1|2 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | E167K RF2 on E. coli 70S release complex with UAA | Electron microscopy | 2.77 | 1536 | 2024-09-25 |
| 204 | 8P16|1|2 | Small subunit ribosomal RNA | 16S rRNA, mRNA | Escherichia coli | Bacteria | RF00177 | E167K RF2 on E. coli 70S release complex with UGG (Structure I) | Electron microscopy | 2.77 | 1536 | 2024-05-22 |
| 205 | 8P18|1|2 | Small subunit ribosomal RNA | 16S rRNA, mRNA | Escherichia coli | Bacteria | RF00177 | E167K RF2 on E. coli 70S release complex with UGG (Structure III) | Electron microscopy | 2.77 | 1536 | 2024-05-22 |
| 206 | 8P17|1|2 | Small subunit ribosomal RNA | 16S RNA, mRNA | Escherichia coli | Bacteria | RF00177 | E167K RF2 on E. coli 70S release complex with UGG (Structure II) | Electron microscopy | 2.78 | 1536 | 2024-05-22 |
| 207 | 8ZFF|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli BW25113 | Bacteria | RF00177 | Structure of the Bacterial Ribosome without hypoxia-induced rRNA modifications | Electron microscopy | 2.59 | 1512 | 2025-11-12 |
| 208 | 8AM9|1|B | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli BW25113 | Bacteria | RF00177 | Cryo-EM structure of the proline-rich antimicrobial peptide drosocin bound to the elongating ribosome | Electron microscopy | 2.8 | 1519 | 2023-03-08 |
| 209 | 5AFI|1|a | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | 2.9A Structure of E. coli ribosome-EF-TU complex by cs-corrected cryo-EM | Electron microscopy | 2.9 | 1539 | 2015-03-11 |
| 210 | 7OT5|1|2 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | CspA-70 cotranslational folding intermediate 1 | Electron microscopy | 2.9 | 1534 | 2022-01-19 |
| 211 | 7O1C|1|AA | Small subunit ribosomal RNA | Ribosomal RNA 16S | Escherichia coli K-12 | Bacteria | RF00177 | Cryo-EM structure of an Escherichia coli TnaC(R23F)-ribosome-RF2 complex stalled in response to L-tryptophan | Electron microscopy | 2.6 | 1534 | 2021-09-01 |
| 212 | 7OIF|1|2 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | CspA-27 cotranslational folding intermediate 2 | Electron microscopy | 3 | 1534 | 2022-01-19 |
| 213 | 7OII|1|2 | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli | Bacteria | RF00177 | CspA-70 cotranslational folding intermediate 2 | Electron microscopy | 3 | 1534 | 2022-01-19 |
| 214 | 8B7Y|1|C | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli K-12 | Bacteria | RF00177 | Cryo-EM structure of the E.coli 70S ribosome in complex with the antibiotic Myxovalargin B. | Electron microscopy | 3 | 1519 | 2023-01-25 |
| 215 | 7O19|1|AA | Small subunit ribosomal RNA | Ribosomal RNA 16S | Escherichia coli K-12 | Bacteria | RF00177 | Cryo-EM structure of an Escherichia coli TnaC-ribosome complex stalled in response to L-tryptophan | Electron microscopy | 2.9 | 1534 | 2021-09-01 |
| 216 | 6ZTP|1|AA | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S-RNAP expressome complex in uncoupled state 6 | Electron microscopy | 3 | 1533 | 2020-09-16 |
| 217 | 6ZTO|1|AA | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S-RNAP expressome complex in uncoupled state 1 | Electron microscopy | 3 | 1533 | 2020-09-23 |
| 218 | 6ZU1|1|AA | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | E. coli 70S-RNAP expressome complex in uncoupled state 2 | Electron microscopy | 3 | 1533 | 2020-09-16 |
| 219 | 7BOG|1|A | Small subunit ribosomal RNA | 16S rRNA | Escherichia coli K-12 | Bacteria | RF00177 | Bacterial 30S ribosomal subunit assembly complex state E (body domain) | Electron microscopy | 2.75 | 1071 | 2021-07-07 |
| 220 | 7PJS|1|a | Small subunit ribosomal RNA | 16S ribosomal RNA | Escherichia coli | Bacteria | RF00177 | Structure of the 70S ribosome with tRNAs in the classical pre-translocation state and apramycin (C) | Electron microscopy | 2.35 | 662 | 2021-10-20 |