6IP8 image
Deposition Date 2018-11-02
Release Date 2019-05-29
Last Version Date 2024-10-30
Entry Detail
PDB ID:
6IP8
Keywords:
Title:
Cryo-EM structure of the HCV IRES dependently initiated CMV-stalled 80S ribosome (Structure iv)
Biological Source:
Source Organism:
Homo sapiens (Taxon ID: 9606)
Method Details:
Experimental Method:
Resolution:
3.90 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
Macromolecular Entities
Polymer Type:polyribonucleotide
Molecule:28S ribosomal RNA
Chain IDs:A (auth: 1A)
Chain Length:5070
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:5S ribosomal RNA
Chain IDs:B (auth: 1B)
Chain Length:121
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:5.8S ribosomal RNA
Chain IDs:C (auth: 1C)
Chain Length:157
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L8
Gene (Uniprot):RPL8
Chain IDs:D (auth: 1D)
Chain Length:257
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L3
Gene (Uniprot):RPL3
Chain IDs:E (auth: 1E)
Chain Length:403
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L4
Gene (Uniprot):RPL4
Chain IDs:F (auth: 1F)
Chain Length:427
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L5
Gene (Uniprot):RPL5
Chain IDs:G (auth: 1G)
Chain Length:297
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L6
Gene (Uniprot):RPL6
Chain IDs:H (auth: 1H)
Chain Length:288
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S19
Gene (Uniprot):RPS19
Chain IDs:HB (auth: 20)
Chain Length:145
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S20
Gene (Uniprot):RPS20
Chain IDs:IB (auth: 21)
Chain Length:119
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L7
Gene (Uniprot):RPL7
Chain IDs:I (auth: 2A)
Chain Length:117
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L7a
Gene (Uniprot):RPL7A
Chain IDs:J (auth: 2B)
Chain Length:266
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L9
Gene (Uniprot):RPL9, RPL9P7, RPL9P8, RPL9P9
Chain IDs:K (auth: 2C)
Chain Length:105
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L10-like
Gene (Uniprot):RPL10L
Chain IDs:L (auth: 2D)
Chain Length:214
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L11
Gene (Uniprot):RPL11
Chain IDs:M (auth: 2E)
Chain Length:178
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L13
Gene (Uniprot):RPL13
Chain IDs:N (auth: 2F)
Chain Length:51
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L14
Gene (Uniprot):RPL14
Chain IDs:O (auth: 2G)
Chain Length:215
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L15
Gene (Uniprot):RPL15
Chain IDs:P (auth: 2H)
Chain Length:25
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L13a
Gene (Uniprot):RPL13A
Chain IDs:Q (auth: 2I)
Chain Length:106
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L17
Gene (Uniprot):RPL17
Chain IDs:R (auth: 2J)
Chain Length:184
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L18
Gene (Uniprot):RPL18
Chain IDs:S (auth: 2K)
Chain Length:188
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L19
Gene (Uniprot):RPL19
Chain IDs:T (auth: 2L)
Chain Length:196
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L18a
Gene (Uniprot):RPL18A
Chain IDs:U (auth: 2M)
Chain Length:1869
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L21
Gene (Uniprot):RPL21
Chain IDs:V (auth: 2N)
Chain Length:295
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L22
Gene (Uniprot):RPL22
Chain IDs:W (auth: 2O)
Chain Length:128
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L23
Gene (Uniprot):RPL23
Chain IDs:X (auth: 2P)
Chain Length:243
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L24
Gene (Uniprot):RPL24
Chain IDs:Y (auth: 2Q)
Chain Length:157
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L23a
Gene (Uniprot):RPL23A
Chain IDs:Z (auth: 2R)
Chain Length:156
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L26
Gene (Uniprot):RPL26
Chain IDs:AA (auth: 2S)
Chain Length:145
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L27
Gene (Uniprot):RPL27
Chain IDs:BA (auth: 2T)
Chain Length:208
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L27a
Gene (Uniprot):RPL27A
Chain IDs:CA (auth: 2U)
Chain Length:148
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L29
Gene (Uniprot):RPL29
Chain IDs:DA (auth: 2V)
Chain Length:159
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L30
Gene (Uniprot):RPL30
Chain IDs:EA (auth: 2W)
Chain Length:115
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L31
Gene (Uniprot):RPL31
Chain IDs:FA (auth: 2X)
Chain Length:146
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L32
Gene (Uniprot):RPL32
Chain IDs:GA (auth: 2Y)
Chain Length:135
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L35a
Gene (Uniprot):RPL35A
Chain IDs:HA (auth: 2Z)
Chain Length:110
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L34
Gene (Uniprot):RPL34
Chain IDs:IA (auth: 2a)
Chain Length:117
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L35
Gene (Uniprot):RPL35
Chain IDs:JA (auth: 2b)
Chain Length:266
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L36
Gene (Uniprot):RPL36
Chain IDs:KA (auth: 2c)
Chain Length:105
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L37
Gene (Uniprot):RPL37
Chain IDs:LA (auth: 2d)
Chain Length:214
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L38
Gene (Uniprot):RPL38
Chain IDs:MA (auth: 2e)
Chain Length:178
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L39
Gene (Uniprot):RPL39
Chain IDs:NA (auth: 2f)
Chain Length:51
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Ubiquitin-60S ribosomal protein L40
Gene (Uniprot):UBA52
Chain IDs:OA (auth: 2g)
Chain Length:215
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L41
Gene (Uniprot):RPL41
Chain IDs:PA (auth: 2h)
Chain Length:25
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L36a
Gene (Uniprot):RPL36A
Chain IDs:QA (auth: 2i)
Chain Length:106
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L37a
Gene (Uniprot):RPL37A
Chain IDs:RA (auth: 2j)
Chain Length:184
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L28
Gene (Uniprot):RPL28
Chain IDs:SA (auth: 2k)
Chain Length:188
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:18S ribosomal RNA
Chain IDs:TA (auth: 2m)
Chain Length:1869
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein SA
Gene (Uniprot):RPSA
Chain IDs:UA (auth: 2n)
Chain Length:295
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S3a
Gene (Uniprot):RPS3A
Chain IDs:VA (auth: 2o)
Chain Length:128
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S3
Gene (Uniprot):RPS3
Chain IDs:WA (auth: 2p)
Chain Length:243
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S4, X isoform
Gene (Uniprot):RPS4X
Chain IDs:XA (auth: 2q)
Chain Length:157
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S5
Gene (Uniprot):RPS5
Chain IDs:YA (auth: 2r)
Chain Length:156
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S7
Gene (Uniprot):RPS7
Chain IDs:ZA (auth: 2s)
Chain Length:145
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S8
Gene (Uniprot):RPS8
Chain IDs:AB (auth: 2t)
Chain Length:208
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S10
Gene (Uniprot):RPS10
Chain IDs:BB (auth: 2u)
Chain Length:148
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S11
Gene (Uniprot):RPS11
Chain IDs:CB (auth: 2v)
Chain Length:159
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S15
Gene (Uniprot):RPS15
Chain IDs:DB (auth: 2w)
Chain Length:115
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S16
Gene (Uniprot):RPS16
Chain IDs:EB (auth: 2x)
Chain Length:146
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S17
Gene (Uniprot):RPS17
Chain IDs:FB (auth: 2y)
Chain Length:135
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S18
Gene (Uniprot):RPS18
Chain IDs:GB (auth: 2z)
Chain Length:110
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S21
Gene (Uniprot):RPS21
Chain IDs:JB (auth: 3A)
Chain Length:83
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S23
Gene (Uniprot):RPS23
Chain IDs:KB (auth: 3B)
Chain Length:143
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S26
Gene (Uniprot):RPS26
Chain IDs:LB (auth: 3C)
Chain Length:115
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S28
Gene (Uniprot):RPS28
Chain IDs:MB (auth: 3D)
Chain Length:69
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S29
Gene (Uniprot):RPS29
Chain IDs:NB (auth: 3E)
Chain Length:56
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Receptor of activated protein C kinase 1
Gene (Uniprot):RACK1
Chain IDs:OB (auth: 3F)
Chain Length:317
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S2
Gene (Uniprot):RPS2
Chain IDs:PB (auth: 3G)
Chain Length:293
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S6
Gene (Uniprot):RPS6
Chain IDs:QB (auth: 3H)
Chain Length:249
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S9
Gene (Uniprot):RPS9
Chain IDs:RB (auth: 3I)
Chain Length:194
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S12
Gene (Uniprot):RPS12
Chain IDs:SB (auth: 3J)
Chain Length:132
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S13
Gene (Uniprot):RPS13
Chain IDs:TB (auth: 3K)
Chain Length:151
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S14
Gene (Uniprot):RPS14
Chain IDs:UB (auth: 3L)
Chain Length:151
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S15a
Gene (Uniprot):RPS15A
Chain IDs:VB (auth: 3M)
Chain Length:130
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S24
Gene (Uniprot):RPS24
Chain IDs:WB (auth: 3N)
Chain Length:133
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S25
Gene (Uniprot):RPS25
Chain IDs:XB (auth: 3O)
Chain Length:125
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S27
Gene (Uniprot):RPS27
Chain IDs:YB (auth: 3P)
Chain Length:84
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S30
Gene (Uniprot):FAU
Chain IDs:ZB (auth: 3Q)
Chain Length:59
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Ubiquitin-40S ribosomal protein S27a
Gene (Uniprot):RPS27A
Chain IDs:AC (auth: 3R)
Chain Length:156
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:mRNA
Chain IDs:BC (auth: zv)
Chain Length:12
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Eukaryotic peptide chain release factor subunit 1
Gene (Uniprot):ETF1
Chain IDs:CC (auth: zw)
Chain Length:431
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:nascent peptide
Chain IDs:DC (auth: zx)
Chain Length:17
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:P-site tRNA
Chain IDs:EC (auth: zy)
Chain Length:75
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:HCV-IRES RNA
Chain IDs:FC (auth: zz)
Chain Length:290
Number of Molecules:1
Biological Source:Homo sapiens
Ligand Molecules
Primary Citation
HCV IRES Captures an Actively Translating 80S Ribosome.
Mol.Cell 74 1205 1214.e8 (2019)
PMID: 31080011 DOI: 10.1016/j.molcel.2019.04.022

Abstact

Translation initiation of hepatitis C virus (HCV) genomic RNA is induced by an internal ribosome entry site (IRES). Our cryoelectron microscopy (cryo-EM) analysis revealed that the HCV IRES binds to the solvent side of the 40S platform of the cap-dependently translating 80S ribosome. Furthermore, we obtained the cryo-EM structures of the HCV IRES capturing the 40S subunit of the IRES-dependently translating 80S ribosome. In the elucidated structures, the HCV IRES "body," consisting of domain III except for subdomain IIIb, binds to the 40S subunit, while the "long arm," consisting of domain II, remains flexible and does not impede the ongoing translation. Biochemical experiments revealed that the cap-dependently translating ribosome becomes a better substrate for the HCV IRES than the free ribosome. Therefore, the HCV IRES is likely to efficiently induce the translation initiation of its downstream mRNA with the captured translating ribosome as soon as the ongoing translation terminates.

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Protein

Chemical

Disease

Primary Citation of related structures