ISDA: 6Q97

Deposition Date 2018-12-17

Release Date 2019-03-13

Last Version Date 2025-10-01

Entry Detail

PDB ID:

6Q97

Keywords:

RIBOSOME

Title:

Structure of tmRNA SmpB bound in A site of E. coli 70S ribosome

Biological Source:

Source Organism:

Escherichia coli (Taxon ID: 562)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.90 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Polymer Type:polyribonucleotide
Molecule:23S ribosomal RNA
Chain IDs:A (auth: 1)
Chain Length:2903
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polyribonucleotide
Molecule:16S ribosomal RNA
Chain IDs:B (auth: 2)
Chain Length:1534
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polyribonucleotide
Molecule:5S ribosomal RNA
Chain IDs:C (auth: 3)
Chain Length:120
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polyribonucleotide
Molecule:transfer-messenger RNA (tmRNA)
Chain IDs:GB (auth: 4)
Chain Length:363
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:SsrA-binding protein
Gene (Uniprot):smpB
Chain IDs:D (auth: 5)
Chain Length:145
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A832 Pfam ID:PF01668

Polymer Type:polypeptide(L)
Molecule:Nascent peptide
Chain IDs:E (auth: 6)
Chain Length:28
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polyribonucleotide
Molecule:tRNA-Val
Chain IDs:HB (auth: 7)
Chain Length:77
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polyribonucleotide
Molecule:tRNA-Met
Chain IDs:F (auth: 8)
Chain Length:77
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polyribonucleotide
Molecule:mRNA
Chain IDs:G (auth: 9)
Chain Length:6
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L2
Chain IDs:H (auth: B)
Chain Length:54
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L3
Gene (Uniprot):rplC
Chain IDs:I (auth: C)
Chain Length:209
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P60438 Pfam ID:PF00297

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L4
Gene (Uniprot):rplD
Chain IDs:J (auth: D)
Chain Length:201
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P60723 Pfam ID:PF00573

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L5
Gene (Uniprot):rplE
Chain IDs:K (auth: E)
Chain Length:177
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P62399 Pfam ID:PF00281, PF00673

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L6
Gene (Uniprot):rplF
Chain IDs:L (auth: F)
Chain Length:37
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG55 Pfam ID:PF00347

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L9
Gene (Uniprot):rplI
Chain IDs:M (auth: G)
Chain Length:225
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7R1 Pfam ID:PF01281, PF03948

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L10
Gene (Uniprot):rplJ
Chain IDs:N (auth: H)
Chain Length:130
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7J3 Pfam ID:PF00466

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L11
Gene (Uniprot):rplK
Chain IDs:O (auth: I)
Chain Length:135
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7J7 Pfam ID:PF03946, PF00298

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L13
Gene (Uniprot):rplM
Chain IDs:P (auth: J)
Chain Length:141
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:A0A379XJZ2 Pfam ID:PF00572

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L14
Gene (Uniprot):rplN
Chain IDs:Q (auth: K)
Chain Length:104
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ADY3 Pfam ID:PF00238

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L15
Gene (Uniprot):rplO
Chain IDs:R (auth: L)
Chain Length:144
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P02413 Pfam ID:PF00828

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L16
Gene (Uniprot):rplP
Chain IDs:S (auth: M)
Chain Length:136
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ADY7 Pfam ID:PF00252

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L17
Gene (Uniprot):rplQ
Chain IDs:T (auth: N)
Chain Length:126
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG44 Pfam ID:PF01196

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L18
Gene (Uniprot):rplR
Chain IDs:U (auth: O)
Chain Length:115
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0C018 Pfam ID:PF00861

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L19
Gene (Uniprot):rplS
Chain IDs:V (auth: P)
Chain Length:117
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7K6 Pfam ID:PF01245

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L20
Gene (Uniprot):rplT
Chain IDs:W (auth: Q)
Chain Length:117
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7L3 Pfam ID:PF00453

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L21
Gene (Uniprot):rplU
Chain IDs:X (auth: R)
Chain Length:115
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG48 Pfam ID:PF00829

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L22
Chain IDs:Y (auth: S)
Chain Length:100
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L23
Gene (Uniprot):rplW
Chain IDs:Z (auth: T)
Chain Length:94
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ADZ0 Pfam ID:PF00276

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L24
Gene (Uniprot):rplX
Chain IDs:AA (auth: U)
Chain Length:81
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P60624 Pfam ID:PF00467, PF17136

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L25
Gene (Uniprot):rplY
Chain IDs:BA (auth: V)
Chain Length:80
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P68919 Pfam ID:PF01386

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L27
Gene (Uniprot):rpmA
Chain IDs:CA (auth: W)
Chain Length:65
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7L8 Pfam ID:PF01016

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L28
Gene (Uniprot):rpmB
Chain IDs:DA (auth: X)
Chain Length:82
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7M2 Pfam ID:PF00830

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L29
Chain IDs:EA (auth: Y)
Chain Length:85
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L30
Gene (Uniprot):rpmD
Chain IDs:FA (auth: Z)
Chain Length:56
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:A0A0E0XV41 Pfam ID:PF00327

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L31
Gene (Uniprot):rpmE
Chain IDs:GA (auth: a)
Chain Length:66
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7M9 Pfam ID:PF01197

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L32
Chain IDs:HA (auth: b)
Chain Length:54
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L33
Gene (Uniprot):rpmG
Chain IDs:IA (auth: c)
Chain Length:209
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7N9 Pfam ID:PF00471

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L34
Gene (Uniprot):rpmH
Chain IDs:JA (auth: d)
Chain Length:201
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7P5 Pfam ID:PF00468

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L35
Gene (Uniprot):rpmI
Chain IDs:KA (auth: e)
Chain Length:177
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7Q1 Pfam ID:PF01632

Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L36
Chain IDs:LA (auth: f)
Chain Length:37
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S2
Gene (Uniprot):rpsB
Chain IDs:MA (auth: g)
Chain Length:225
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7V0 Pfam ID:PF00318

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S3
Gene (Uniprot):rpsC
Chain IDs:NA (auth: h)
Chain Length:130
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7V3 Pfam ID:PF07650, PF00189

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S4
Gene (Uniprot):rpsD
Chain IDs:OA (auth: i)
Chain Length:135
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7V8 Pfam ID:PF00163, PF01479

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S5
Gene (Uniprot):rpsE
Chain IDs:PA (auth: j)
Chain Length:141
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7W1 Pfam ID:PF00333, PF03719

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S6
Gene (Uniprot):rpsF
Chain IDs:QA (auth: k)
Chain Length:104
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P02358 Pfam ID:PF01250

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S7
Gene (Uniprot):rpsG
Chain IDs:RA (auth: l)
Chain Length:144
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P02359 Pfam ID:PF00177

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S8
Gene (Uniprot):rpsH
Chain IDs:SA (auth: m)
Chain Length:136
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7W7 Pfam ID:PF00410

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S9
Chain IDs:TA (auth: n)
Chain Length:126
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S10
Gene (Uniprot):rpsJ
Chain IDs:UA (auth: o)
Chain Length:115
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7R5 Pfam ID:PF00338

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S11
Gene (Uniprot):rpsK
Chain IDs:VA (auth: p)
Chain Length:117
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7R9 Pfam ID:PF00411

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S12
Chain IDs:WA (auth: q)
Chain Length:117
Number of Molecules:1
Biological Source:Escherichia coli

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S13
Chain IDs:XA (auth: r)
Chain Length:115
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S14
Gene (Uniprot):rpsN
Chain IDs:YA (auth: s)
Chain Length:100
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG59 Pfam ID:PF00253

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S15
Gene (Uniprot):rpsO
Chain IDs:ZA (auth: t)
Chain Length:94
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0ADZ4 Pfam ID:PF00312

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S16
Chain IDs:AB (auth: u)
Chain Length:81
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S17
Gene (Uniprot):rpsQ
Chain IDs:BB (auth: v)
Chain Length:80
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0AG63 Pfam ID:PF00366

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S18
Gene (Uniprot):rpsR
Chain IDs:CB (auth: w)
Chain Length:65
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7T7 Pfam ID:PF01084

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S19
Chain IDs:DB (auth: x)
Chain Length:82
Number of Molecules:1
Biological Source:Escherichia coli

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S20
Gene (Uniprot):rpsT
Chain IDs:EB (auth: y)
Chain Length:85
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P0A7U7 Pfam ID:PF01649

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S21
Gene (Uniprot):rpsU
Chain IDs:FB (auth: z)
Chain Length:56
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:P68679 Pfam ID:PF01165

Modified Residue

Compound ID	Chain ID	Parent Comp ID	Details	2D Image
0TD	WA	ASP	modified residue

Ligand Molecules

Primary Citation

How a circularized tmRNA moves through the ribosome.

Rae, C.D, Gordiyenko, Y, Ramakrishnan, V.Show

Science 363 740 744 (2019)

PMID: 30765567 DOI: 10.1126/science.aav9370

Abstact

During trans-translation, transfer-messenger RNA (tmRNA) and small protein B (SmpB) together rescue ribosomes stalled on a truncated mRNA and tag the nascent polypeptide for degradation. We used cryo-electron microscopy to determine the structures of three key states of the tmRNA-SmpB-ribosome complex during trans translation at resolutions of 3.7 to 4.4 angstroms. The results show how tmRNA and SmpB act specifically on stalled ribosomes and how the circularized complex moves through the ribosome, enabling translation to switch from the old defective message to the reading frame on tmRNA.

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Protein

Chemical

Disease

Primary Citation of related structures