7PJW image
Deposition Date 2021-08-24
Release Date 2021-10-20
Last Version Date 2025-03-12
Entry Detail
PDB ID:
7PJW
Keywords:
Title:
Structure of the 70S-EF-G-GDP-Pi ribosome complex with tRNAs in hybrid state 2 (H2-EF-G-GDP-Pi)
Biological Source:
Source Organism:
Escherichia coli (Taxon ID: 562)
Method Details:
Experimental Method:
Resolution:
4.00 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L32
Gene (Uniprot):rpmF
Chain IDs:A (auth: 0)
Chain Length:57
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L33
Gene (Uniprot):rpmG
Chain IDs:B (auth: 1)
Chain Length:55
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L34
Gene (Uniprot):rpmH
Chain IDs:C (auth: 2)
Chain Length:46
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L35
Gene (Uniprot):rpmI
Chain IDs:D (auth: 3)
Chain Length:65
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L36
Gene (Uniprot):rpmJ
Chain IDs:E (auth: 4)
Chain Length:38
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L10
Chain IDs:F (auth: 5)
Chain Length:165
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L31
Chain IDs:G (auth: 6)
Chain Length:70
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:23S ribosomal RNA
Chain IDs:H (auth: A)
Chain Length:2903
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:5S ribosomal RNA
Chain IDs:I (auth: B)
Chain Length:120
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L2
Gene (Uniprot):rplB
Chain IDs:J (auth: C)
Chain Length:233
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L3
Gene (Uniprot):rplC
Chain IDs:K (auth: D)
Chain Length:206
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L4
Gene (Uniprot):rplD
Chain IDs:L (auth: E)
Chain Length:167
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L5
Gene (Uniprot):rplE
Chain IDs:M (auth: F)
Chain Length:135
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L6
Gene (Uniprot):rplF
Chain IDs:N (auth: G)
Chain Length:177
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L9
Gene (Uniprot):rplI
Chain IDs:O (auth: H)
Chain Length:130
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L11
Gene (Uniprot):rplK
Chain IDs:P (auth: I)
Chain Length:130
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L13
Gene (Uniprot):rplM
Chain IDs:Q (auth: J)
Chain Length:103
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L14
Gene (Uniprot):rplN
Chain IDs:R (auth: K)
Chain Length:129
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L15
Gene (Uniprot):rplO
Chain IDs:S (auth: L)
Chain Length:144
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L16
Gene (Uniprot):rplP
Chain IDs:T (auth: M)
Chain Length:136
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L17
Gene (Uniprot):rplQ
Chain IDs:U (auth: N)
Chain Length:102
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L18
Gene (Uniprot):rplR
Chain IDs:V (auth: O)
Chain Length:89
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L19
Gene (Uniprot):rplS
Chain IDs:W (auth: P)
Chain Length:115
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L20
Gene (Uniprot):rplT
Chain IDs:X (auth: Q)
Chain Length:118
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L21
Gene (Uniprot):rplU
Chain IDs:Y (auth: R)
Chain Length:75
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L22
Gene (Uniprot):rplV
Chain IDs:Z (auth: S)
Chain Length:92
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L23
Gene (Uniprot):rplW
Chain IDs:AA (auth: T)
Chain Length:87
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L24
Gene (Uniprot):rplX
Chain IDs:BA (auth: U)
Chain Length:71
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L25
Gene (Uniprot):rplY
Chain IDs:CA (auth: V)
Chain Length:94
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L27
Gene (Uniprot):rpmA
Chain IDs:DA (auth: W)
Chain Length:85
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L28
Gene (Uniprot):rpmB
Chain IDs:EA (auth: X)
Chain Length:704
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L29
Gene (Uniprot):rpmC
Chain IDs:FA (auth: Y)
Chain Length:2
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L30
Gene (Uniprot):rpmD
Chain IDs:GA (auth: Z)
Chain Length:33
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:16S ribosomal RNA
Chain IDs:HA (auth: a)
Chain Length:2903
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S2
Gene (Uniprot):rpsB
Chain IDs:IA (auth: b)
Chain Length:120
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S3
Gene (Uniprot):rpsC
Chain IDs:JA (auth: c)
Chain Length:233
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S4
Gene (Uniprot):rpsD
Chain IDs:KA (auth: d)
Chain Length:206
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S5
Gene (Uniprot):rpsE
Chain IDs:LA (auth: e)
Chain Length:167
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S6
Gene (Uniprot):rpsF
Chain IDs:MA (auth: f)
Chain Length:135
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S7
Gene (Uniprot):rpsG
Chain IDs:NA (auth: g)
Chain Length:177
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S8
Gene (Uniprot):rpsH
Chain IDs:OA (auth: h)
Chain Length:130
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S9
Gene (Uniprot):rpsI
Chain IDs:PA (auth: i)
Chain Length:130
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S10
Gene (Uniprot):rpsJ
Chain IDs:QA (auth: j)
Chain Length:103
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S11
Gene (Uniprot):rpsK
Chain IDs:RA (auth: k)
Chain Length:129
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S12
Gene (Uniprot):rpsL
Chain IDs:SA (auth: l)
Chain Length:144
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S13
Gene (Uniprot):rpsM
Chain IDs:TA (auth: m)
Chain Length:136
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S14
Gene (Uniprot):rpsN
Chain IDs:UA (auth: n)
Chain Length:102
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S15
Gene (Uniprot):rpsO
Chain IDs:VA (auth: o)
Chain Length:89
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S16
Gene (Uniprot):rpsP
Chain IDs:WA (auth: p)
Chain Length:115
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S17
Gene (Uniprot):rpsQ
Chain IDs:XA (auth: q)
Chain Length:118
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S18
Gene (Uniprot):rpsR
Chain IDs:YA (auth: r)
Chain Length:75
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S19
Gene (Uniprot):rpsS
Chain IDs:ZA (auth: s)
Chain Length:92
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S20
Gene (Uniprot):rpsT
Chain IDs:AB (auth: t)
Chain Length:87
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:30S ribosomal protein S21
Gene (Uniprot):rpsU
Chain IDs:BB (auth: u)
Chain Length:71
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:P-site tRNA(fMet)
Chain IDs:CB (auth: v)
Chain Length:94
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:P-site fMet-Phe-tRNA(Phe)
Chain IDs:DB (auth: w)
Chain Length:85
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:Elongation factor G
Chain IDs:EB (auth: x)
Chain Length:704
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polypeptide(L)
Molecule:Dipeptide (FME-PHE)
Chain IDs:FB (auth: y)
Chain Length:2
Number of Molecules:1
Biological Source:Escherichia coli
Polymer Type:polyribonucleotide
Molecule:mRNA
Chain IDs:GB (auth: z)
Chain Length:33
Number of Molecules:1
Biological Source:Escherichia coli
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
4SU CB U modified residue
5MU CB U modified residue
H2U CB U modified residue
PSU CB U modified residue
Primary Citation
Structural mechanism of GTPase-powered ribosome-tRNA movement.
Nat Commun 12 5933 5933 (2021)
PMID: 34635670 DOI: 10.1038/s41467-021-26133-x

Abstact

GTPases are regulators of cell signaling acting as molecular switches. The translational GTPase EF-G stands out, as it uses GTP hydrolysis to generate force and promote the movement of the ribosome along the mRNA. The key unresolved question is how GTP hydrolysis drives molecular movement. Here, we visualize the GTPase-powered step of ongoing translocation by time-resolved cryo-EM. EF-G in the active GDP-Pi form stabilizes the rotated conformation of ribosomal subunits and induces twisting of the sarcin-ricin loop of the 23 S rRNA. Refolding of the GTPase switch regions upon Pi release initiates a large-scale rigid-body rotation of EF-G pivoting around the sarcin-ricin loop that facilitates back rotation of the ribosomal subunits and forward swiveling of the head domain of the small subunit, ultimately driving tRNA forward movement. The findings demonstrate how a GTPase orchestrates spontaneous thermal fluctuations of a large RNA-protein complex into force-generating molecular movement.

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Primary Citation of related structures