6ENU: 30S ribosomal protein S2
Polyproline-stalled ribosome in the presence of elongation-factor P (EF-P). Determined by electron microscopy at 3.1 Å resolution. Released 22 Nov 2017.
- Method
- Electron microscopy
- Resolution
- 3.1 Å
- Organism
- Escherichia coli
- Chains
- 56
- Atoms
- 146,475
- Mol. weight
- 2183.67 kDa
- Ligands
- PRO
- Released
- 22 Nov 2017
Explore 6ENU in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
6ENU contains 231 α-helices and 347 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 0: 1 helix, 5 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 9-15 | 7 | |
| β-strand | 28-29 | 2 | 95 |
| β-strand | 36-37 | 2 | 95 |
| β-strand | 41 | 1 | 55 |
| β-strand | 47 | 1 | 96 |
| β-strand | 52 | 1 | 96 |
Chain 1: 2 helices, 7 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 6-12 | 7 | 97 |
| β-strand | 19-24 | 6 | 97 |
| α-helix | 32-33 | 2 | |
| β-strand | 36 | 1 | 98 |
| β-strand | 39 | 1 | 99 |
| β-strand | 44 | 1 | 99 |
| α-helix | 46 | 1 | |
| β-strand | 47 | 1 | 98 |
| β-strand | 48-51 | 4 | 97 |
Chain 2: 3 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 9-16 | 8 | |
| α-helix | 18-21 | 4 | |
| α-helix | 25-37 | 13 | |
Chain 3: 5 helices, 3 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 2-5 | 4 | |
| α-helix | 7-10 | 4 | |
| β-strand | 14-15 | 2 | 109 |
| β-strand | 21-24 | 4 | 109 |
| α-helix | 32-34 | 3 | |
| α-helix | 39-42 | 4 | |
| β-strand | 46-48 | 3 | 109 |
| α-helix | 55-59 | 5 | |
Chain 4: 1 helix, 4 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 2 | 1 | 113 |
| β-strand | 14-19 | 6 | 113 |
| β-strand | 22-27 | 6 | 113 |
| α-helix | 31-33 | 3 | |
| β-strand | 35 | 1 | 113 |
Chain 6: 3 helices, 2 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 7-8 | 2 | |
| β-strand | 11-14 | 4 | 3 |
| β-strand | 22-25 | 4 | 3 |
| α-helix | 48-51 | 4 | |
| α-helix | 57-60 | 4 | |
Chain 7: 9 helices, 10 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 9-13 | 5 | |
| α-helix | 20-21 | 2 | |
| β-strand | 41-47 | 7 | 13 |
| β-strand | 48 | 1 | 14 |
| α-helix | 55-57 | 3 | |
| β-strand | 64 | 1 | 15 |
| β-strand | 75-78 | 4 | 16 |
| α-helix | 83-86 | 4 | |
| α-helix | 99-106 | 8 | |
| β-strand | 113-116 | 4 | 16 |
| α-helix | 120-122 | 3 | |
| α-helix | 150-157 | 8 | |
| β-strand | 161 | 1 | 15 |
| β-strand | 171-178 | 8 | 13 |
| α-helix | 183-189 | 7 | |
| α-helix | 194-197 | 4 | |
| β-strand | 210 | 1 | 14 |
| β-strand | 214 | 1 | 17 |
| β-strand | 224 | 1 | 17 |
Chain b: 8 helices, 8 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 16-17 | 2 | 4 |
| α-helix | 24-29 | 6 | |
| β-strand | 30-33 | 4 | 4 |
| β-strand | 37-40 | 4 | 4 |
| α-helix | 42-44 | 3 | |
| α-helix | 46-60 | 15 | |
| β-strand | 66-69 | 4 | 5 |
| α-helix | 78-85 | 8 | |
| β-strand | 89-91 | 3 | 5 |
| α-helix | 103-121 | 19 | |
| α-helix | 130-147 | 18 | |
| β-strand | 159-162 | 4 | 5 |
| α-helix | 169-177 | 9 | |
| β-strand | 184-186 | 3 | 5 |
| β-strand | 198-200 | 3 | 5 |
| α-helix | 206-223 | 18 | |
43 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.
Molecules and chains
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|
| 16S ribosomal RNA | a | RNA | 1539 | Escherichia coli | |
| 30S ribosomal protein S2 | b | protein | 218 | Escherichia coli | P0A7V0 (AlphaFold model) |
| 30S ribosomal protein S3 | c | protein | 206 | Escherichia coli | P0A7V3 (AlphaFold model) |
| 30S ribosomal protein S4 | d | protein | 205 | Escherichia coli | P0A7V8 (AlphaFold model) |
| 30S ribosomal protein S5 | e | protein | 157 | Escherichia coli | P0A7W1 (AlphaFold model) |
| 30S ribosomal protein S6 | f | protein | 100 | Escherichia coli | P02358 |
| 30S ribosomal protein S7 | g | protein | 151 | Escherichia coli | P02359 |
| 30S ribosomal protein S8 | h | protein | 129 | Escherichia coli | P0A7W7 |
| 30S ribosomal protein S9 | i | protein | 127 | Escherichia coli | P0A7X3 |
| 30S ribosomal protein S10 | j | protein | 98 | Escherichia coli | P0A7R5 |
| 30S ribosomal protein S11 | k | protein | 116 | Escherichia coli | P0A7R9 |
| 30S ribosomal protein S12 | l | protein | 123 | Escherichia coli | P0A7S3 |
44 more molecules are not listed.
Sequence of entity 1 (a), FASTA
>6ENU_1 16S ribosomal RNA (chains a)
AAUUGAAGAGUUUGAUCAUGGCUCAGAUUGAACGCUGGCGGCAGGCCUAACACAUGCAAG
UCGAACGGUAACAGGAAGAAGCUUGCUUCUUUGCUGACGAGUGGCGGACGGGUGAGUAAU
GUCUGGGAAACUGCCUGAUGGAGGGGGAUAACUACUGGAAACGGUAGCUAAUACCGCAUA
ACGUCGCAAGACCAAAGAGGGGGACCUUCGGGCCUCUUGCCAUCGGAUGUGCCCAGAUGG
GAUUAGCUAGUAGGUGGGGUAACGGCUCACCUAGGCGACGAUCCCUAGCUGGUCUGAGAG
GAUGACCAGCCACACUGGAACUGAGACACGGUCCAGACUCCUACGGGAGGCAGCAGUGGG
GAAUAUUGCACAAUGGGCGCAAGCCUGAUGCAGCCAUGCCGCGUGUAUGAAGAAGGCCUU
CGGGUUGUAAAGUACUUUCAGCGGGGAGGAAGGGAGUAAAGUUAAUACCUUUGCUCAUUG
ACGUUACCCGCAGAAGAAGCACCGGCUAACUCCGUGCCAGCAGCCGCGGUAAUACGGAGG
GUGCAAGCGUUAAUCGGAAUUACUGGGCGUAAAGCGCACGCAGGCGGUUUGUUAAGUCAG
AUGUGAAAUCCCCGGGCUCAACCUGGGAACUGCAUCUGAUACUGGCAAGCUUGAGUCUCG
UAGAGGGGGGUAGAAUUCCAGGUGUAGCGGUGAAAUGCGUAGAGAUCUGGAGGAAUACCG
GUGGCGAAGGCGGCCCCCUGGACGAAGACUGACGCUCAGGUGCGAAAGCGUGGGGAGCAA
ACAGGAUUAGAUACCCUGGUAGUCCACGCCGUAAACGAUGUCGACUUGGAGGUUGUGCCC
UUGAGGCGUGGCUUCCGGAGCUAACGCGUUAAGUCGACCGCCUGGGGAGUACGGCCGCAA
GGUUAAAACUCAAAUGAAUUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGUUUAAUU
CGAUGCAACGCGAAGAACCUUACCUGGUCUUGACAUCCACGGAAGUUUUCAGAGAUGAGA
AUGUGCCUUCGGGAACCGUGAGACAGGUGCUGCAUGGCUGUCGUCAGCUCGUGUUGUGAA
AUGUUGGGUUAAGUCCCGCAACGAGCGCAACCCUUAUCCUUUGUUGCCAGCGGUCCGGCC
GGGAACUCAAAGGAGACUGCCAGUGAUAAACUGGAGGAAGGUGGGGAUGACGUCAAGUCA
UCAUGGCCCUUACGACCAGGGCUACACACGUGCUACAAUGGCGCAUACAAAGAGAAGCGA
CCUCGCGAGAGCAAGCGGACCUCAUAAAGUGCGUCGUAGUCCGGAUUGGAGUCUGCAACU
CGACUCCAUGAAGUCGGAAUCGCUAGUAAUCGUGGAUCAGAAUGCCACGGUGAAUACGUU
CCCGGGCCUUGUACACACCGCCCGUCACACCAUGGGAGUGGGUUGCAAAAGAAGUAGGUA
GCUUAACCUUCGGGAGGGCGCUUACCACUUUGUGAUUCAUGACUGGGGUGAAGUCGUAAC
AAGGUAACCGUAGGGGAACCUGCGGUUGGAUCACCUCCU
Sequence of entity 2 (b), FASTA
>6ENU_2 30S ribosomal protein S2 (chains b)
MLKAGVHFGHQTRYWNPKMKPFIFGARNKVHIINLEKTVPMFNEALAELNKIASRKGKIL
FVGTKRAASEAVKDAALSCDQFFVNHRWLGGMLTNWKTVRQSIKRLKDLETQSQDGTFDK
LTKKEALMRTRELEKLENSLGGIKDMGGLPDALFVIDADHEHIAIKEANNLGIPVFAIVD
TNSDPDGVDFVIPGNDDAIRAVTLYLGAVAATVREGRS
Sequence of entity 3 (c), FASTA
>6ENU_3 30S ribosomal protein S3 (chains c)
GQKVHPNGIRLGIVKPWNSTWFANTKEFADNLDSDFKVRQYLTKELAKASVSRIVIERPA
KSIRVTIHTARPGIVIGKKGEDVEKLRKVVADIAGVPAQINIAEVRKPELDAKLVADSIT
SQLERRVMFRRAMKRAVQNAMRLGAKGIKVEVSGRLGGAEIARTEWYREGRVPLHTLRAD
IDYNTSEAHTTYGVIGVKVWIFKGEI
Sequence of entity 4 (d), FASTA
>6ENU_4 30S ribosomal protein S4 (chains d)
ARYLGPKLKLSRREGTDLFLKSGVRAIDTKCKIEQAPGQHGARKPRLSDYGVQLREKQKV
RRIYGVLERQFRNYYKEAARLKGNTGENLLALLEGRLDNVVYRMGFGATRAEARQLVSHK
AIMVNGRVVNIASYQVSPNDVVSIREKAKKQSRVKAALELAEQREKPTWLEVDAGKMEGT
FKRKPERSDLSADINEHLIVELYSK
Sequence of entity 5 (e), FASTA
>6ENU_5 30S ribosomal protein S5 (chains e)
ELQEKLIAVNRVSKTVKGGRIFSFTALTVVGDGNGRVGFGYGKAREVPAAIQKAMEKARR
NMINVALNNGTLQHPVKGVHTGSRVFMQPASEGTGIIAGGAMRAVLEVAGVHNVLAKAYG
STNPINVVRATIDGLENMNSPEMVAAKRGKSVEEILG
Sequence of entity 6 (f), FASTA
>6ENU_6 30S ribosomal protein S6 (chains f)
MRHYEIVFMVHPDQSEQVPGMIERYTAAITGAEGKIHRLEDWGRRQLAYPINKLHKAHYV
LMNVEAPQEVIDELETTFRFNDAVIRSMVMRTKHAVTEAS
Sequence of entity 7 (g), FASTA
>6ENU_7 30S ribosomal protein S7 (chains g)
PRRRVIGQRKILPDPKFGSELLAKFVNILMVDGKKSTAESIVYSALETLAQRSGKSELEA
FEVALENVRPTVEVKSRRVGGSTYQVPVEVRPVRRNALAMRWIVEAARKRGDKSMALRLA
NELSDAAENKGTAVKKREDVHRMAEANKAFA
Sequence of entity 8 (h), FASTA
>6ENU_8 30S ribosomal protein S8 (chains h)
SMQDPIADMLTRIRNGQAANKAAVTMPSSKLKVAIANVLKEEGFIEDFKVEGDTKPELEL
TLKYFQGKAVVESIQRVSRPGLRIYKRKDELPKVMAGLGIAVVSTSKGVMTDRAARQAGL
GGEIICYVA
Sequence of entity 9 (i), FASTA
>6ENU_9 30S ribosomal protein S9 (chains i)
NQYYGTGRRKSSAARVFIKPGNGKIVINQRSLEQYFGRETARMVVRQPLELVDMVEKLDL
YITVKGGGISGQAGAIRHGITRALMEYDESLRSELRKAGFVTRDARQVERKKVGLRKARR
RPQFSKR
Sequence of entity 10 (j), FASTA
>6ENU_10 30S ribosomal protein S10 (chains j)
RIRIRLKAFDHRLIDQATAEIVETAKRTGAQVRGPIPLPTRKERFTVLISPHVNKDARDQ
YEIRTHLRLVDIVEPTEKTVDALMRLDLAAGVDVQISL
Sequence of entity 11 (k), FASTA
>6ENU_11 30S ribosomal protein S11 (chains k)
RKQVSDGVAHIHASFNNTIVTITDRQGNALGWATAGGSGFRGSRKSTPFAAQVAAERCAD
AVKEYGIKNLEVMVKGPGPGRESTIRALNAAGFRITNITDVTPIPHNGCRPPKKRR
Sequence of entity 12 (l), FASTA
>6ENU_12 30S ribosomal protein S12 (chains l)
ATVNQLVRKPRARKVAKSNVPALEACPQKRGVCTRVYTTTPKKPNSALRKVCRVRLTNGF
EVTSYIGGEGHNLQEHSVILIRGGRVKDLPGVRYHTVRGALDCSGVKDRKQARSKYGVKR
PKA
Ligands and cofactors
| ID | Name | Formula | Copies |
|---|
| PRO | Proline | C5 H9 N O2 | 2 |
Primary citation
Structural Basis for Polyproline-Mediated Ribosome Stalling and Rescue by the Translation Elongation Factor EF-P. Huter, P., Arenz, S., Bock, L.V. et al. Mol Cell (2017) 68:515-527.e6. DOI 10.1016/j.molcel.2017.10.014 · PubMed
Other PDB entries of the same protein (UniProt P0A7V0 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 8B0X 1.55 Å, Translating 70S ribosome in the unrotated state (P and E, tRNAs)
- 9Q87 1.55 Å, Principles of ion binding to RNA inferred from the analysis of a 1.55 Angstrom…
- 4ODN 1.6 Å, Structure of SlyD from Thermus thermophilus in complex with S2-plus peptide
- 7OXH 1.7 Å, ttSlyD with pseudo-wild-type S2 peptide
- 4ODP 1.75 Å, Structure of SlyD delta-IF from Thermus thermophilus in complex with S2-W23A peptide
- 4ODM 1.75 Å, Structure of SlyD from Thermus thermophilus in complex with S2-W23A peptide
- 8CGJ 1.79 Å, Streptomycin bound to the 30S body
- 8CF1 1.82 Å, Tetracycline bound to the 30S head
- 7OXJ 1.85 Å, ttSlyD with M8A pseudo-wild-type S2 peptide
- 8FTO 1.85 Å, E. coli 70S ribosome with an improved MS2 tag inserted in H98
- 9GHE 1.87 Å, Staphylococcus aureus FusB bound to the small subunit of the Escherichia coli 70S…
- 9T0Y 1.87 Å, E. coli 70S ribosome from delta-9 strain
Browse structure collections
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