8UU4 image
Deposition Date 2023-10-31
Release Date 2024-02-28
Last Version Date 2024-05-01
Entry Detail
PDB ID:
8UU4
Keywords:
Title:
Cryo-EM structure of the Listeria innocua 70S ribosome in complex with HPF (structure I-A)
Biological Source:
Source Organism:
Method Details:
Experimental Method:
Resolution:
3.00 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL29
Gene (Uniprot):rpmC
Chain IDs:QA (auth: 1)
Chain Length:63
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL30
Gene (Uniprot):rpmD
Chain IDs:RA (auth: 2)
Chain Length:59
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL31B
Gene (Uniprot):rpsU
Chain IDs:SA (auth: 3)
Chain Length:81
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL32
Gene (Uniprot):rpmF
Chain IDs:TA (auth: 4)
Chain Length:57
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL33
Gene (Uniprot):rpmG
Chain IDs:UA (auth: 5)
Chain Length:49
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL34
Gene (Uniprot):rpmH
Chain IDs:VA (auth: 6)
Chain Length:44
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL35
Gene (Uniprot):rpmI
Chain IDs:WA (auth: 7)
Chain Length:66
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL36
Gene (Uniprot):rpmJ
Chain IDs:XA (auth: 8)
Chain Length:37
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polyribonucleotide
Molecule:23S Ribosomal RNA
Chain IDs:V (auth: A)
Chain Length:2932
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polyribonucleotide
Molecule:5S Ribosomal RNA
Chain IDs:W (auth: B)
Chain Length:116
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL2
Gene (Uniprot):rplB
Chain IDs:X (auth: C)
Chain Length:277
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL3
Gene (Uniprot):rplC
Chain IDs:Y (auth: D)
Chain Length:200
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL4
Gene (Uniprot):rplD
Chain IDs:Z (auth: E)
Chain Length:207
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL5
Gene (Uniprot):rplE
Chain IDs:AA (auth: F)
Chain Length:179
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL6
Gene (Uniprot):rplF
Chain IDs:BA (auth: G)
Chain Length:178
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL13
Gene (Uniprot):rplM
Chain IDs:CA (auth: L)
Chain Length:137
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL14
Gene (Uniprot):rplN
Chain IDs:DA (auth: M)
Chain Length:122
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL15
Gene (Uniprot):rplO
Chain IDs:EA (auth: N)
Chain Length:61
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL16
Gene (Uniprot):rplP
Chain IDs:FA (auth: O)
Chain Length:144
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL17
Gene (Uniprot):rplQ
Chain IDs:GA (auth: P)
Chain Length:90
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL18
Gene (Uniprot):rplR
Chain IDs:HA (auth: Q)
Chain Length:119
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL19
Gene (Uniprot):rplS
Chain IDs:IA (auth: R)
Chain Length:114
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL20
Gene (Uniprot):rplT
Chain IDs:JA (auth: S)
Chain Length:92
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL21
Gene (Uniprot):rplU
Chain IDs:KA (auth: T)
Chain Length:84
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL22
Gene (Uniprot):rplV
Chain IDs:LA (auth: U)
Chain Length:118
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL23
Gene (Uniprot):rplW
Chain IDs:MA (auth: V)
Chain Length:94
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein uL24
Gene (Uniprot):rplX
Chain IDs:NA (auth: W)
Chain Length:187
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL27
Gene (Uniprot):rpmA
Chain IDs:OA (auth: Y)
Chain Length:96
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit protein bL28
Gene (Uniprot):rpmB
Chain IDs:PA (auth: Z)
Chain Length:62
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polyribonucleotide
Molecule:16S Ribosomal RNA
Chain IDs:A (auth: a)
Chain Length:2932
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS2
Chain IDs:B (auth: b)
Chain Length:116
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS3
Gene (Uniprot):rpsC
Chain IDs:C (auth: c)
Chain Length:277
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS4
Chain IDs:D (auth: d)
Chain Length:200
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS5
Gene (Uniprot):rpsE
Chain IDs:E (auth: e)
Chain Length:207
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein bS6
Gene (Uniprot):rpsF
Chain IDs:F (auth: f)
Chain Length:179
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS7
Gene (Uniprot):rpsG
Chain IDs:G (auth: g)
Chain Length:178
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS8
Gene (Uniprot):rpsH
Chain IDs:H (auth: h)
Chain Length:132
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS9
Gene (Uniprot):rpsI
Chain IDs:I (auth: i)
Chain Length:130
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS10
Gene (Uniprot):rpsJ
Chain IDs:J (auth: j)
Chain Length:102
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS11
Gene (Uniprot):rpsK
Chain IDs:K (auth: k)
Chain Length:129
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS12
Gene (Uniprot):rpsL
Chain IDs:L (auth: l)
Chain Length:137
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS13
Gene (Uniprot):rpsM
Chain IDs:M (auth: m)
Chain Length:122
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS14
Gene (Uniprot):rpsN
Chain IDs:N (auth: n)
Chain Length:61
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS15
Gene (Uniprot):rpsO
Chain IDs:O (auth: o)
Chain Length:144
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein bS16
Gene (Uniprot):rpsP
Chain IDs:P (auth: p)
Chain Length:90
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS17
Gene (Uniprot):rpsQ
Chain IDs:Q (auth: q)
Chain Length:119
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein bS18
Gene (Uniprot):rpsR
Chain IDs:R (auth: r)
Chain Length:114
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein uS19
Gene (Uniprot):rpsS
Chain IDs:S (auth: s)
Chain Length:92
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit protein bS20
Gene (Uniprot):rpsT
Chain IDs:T (auth: t)
Chain Length:84
Number of Molecules:1
Biological Source:Listeria innocua
Polymer Type:polypeptide(L)
Molecule:Ribosome hibernation promoting factor
Gene (Uniprot):raiA
Chain IDs:U (auth: w)
Chain Length:187
Number of Molecules:1
Biological Source:Listeria innocua
Primary Citation
Mechanistic insights into the alternative ribosome recycling by HflXr.
Nucleic Acids Res. 52 4053 4066 (2024)
PMID: 38407413 DOI: 10.1093/nar/gkae128

Abstact

During stress conditions such as heat shock and antibiotic exposure, ribosomes stall on messenger RNAs, leading to inhibition of protein synthesis. To remobilize ribosomes, bacteria use rescue factors such as HflXr, a homolog of the conserved housekeeping GTPase HflX that catalyzes the dissociation of translationally inactive ribosomes into individual subunits. Here we use time-resolved cryo-electron microscopy to elucidate the mechanism of ribosome recycling by Listeria monocytogenes HflXr. Within the 70S ribosome, HflXr displaces helix H69 of the 50S subunit and induces long-range movements of the platform domain of the 30S subunit, disrupting inter-subunit bridges B2b, B2c, B4, B7a and B7b. Our findings unveil a unique ribosome recycling strategy by HflXr which is distinct from that mediated by RRF and EF-G. The resemblance between HflXr and housekeeping HflX suggests that the alternative ribosome recycling mechanism reported here is universal in the prokaryotic kingdom.

Legend

Protein

Chemical

Disease

Primary Citation of related structures