- EMDB-7834: Mammalian 80S ribosome with a double translocated CrPV-IRES, P-si... -
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Basic information
Entry
Database: EMDB / ID: EMD-7834
Title
Mammalian 80S ribosome with a double translocated CrPV-IRES, P-site tRNA and eRF1.
Map data
post-processed map with B-factor -30 and low pass filter to 4.8A
Sample
Complex: Mammalian 80S ribosome in complex with a double translocated CrPV IRES, P-site tRNA and eRF1
Protein or peptide: x 79 types
RNA: x 6 types
Function / homology
Function and homology information
translation termination factor activity / translation release factor complex / cytoplasmic translational termination / translation release factor activity / regulation of translational termination / translation release factor activity, codon specific / protein methylation / sequence-specific mRNA binding / aminoacyl-tRNA hydrolase activity / regulation of G1 to G0 transition ...translation termination factor activity / translation release factor complex / cytoplasmic translational termination / translation release factor activity / regulation of translational termination / translation release factor activity, codon specific / protein methylation / sequence-specific mRNA binding / aminoacyl-tRNA hydrolase activity / regulation of G1 to G0 transition / laminin receptor activity / exit from mitosis / nuclear-transcribed mRNA catabolic process, nonsense-mediated decay / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / regulation of translation involved in cellular response to UV / protein-DNA complex disassembly / positive regulation of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator / optic nerve development / retinal ganglion cell axon guidance / mammalian oogenesis stage / G1 to G0 transition / activation-induced cell death of T cells / Protein hydroxylation / positive regulation of signal transduction by p53 class mediator / Eukaryotic Translation Termination / phagocytic cup / ubiquitin ligase inhibitor activity / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / TOR signaling / endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / 90S preribosome / T cell proliferation involved in immune response / protein-RNA complex assembly / erythrocyte development / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / negative regulation of ubiquitin-dependent protein catabolic process / translation regulator activity / cellular response to actinomycin D / ribosomal small subunit export from nucleus / translational termination / cytosolic ribosome / laminin binding / endonucleolytic cleavage in ITS1 to separate SSU-rRNA from 5.8S rRNA and LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / rough endoplasmic reticulum / gastrulation / MDM2/MDM4 family protein binding / DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest / maturation of LSU-rRNA / class I DNA-(apurinic or apyrimidinic site) endonuclease activity / DNA-(apurinic or apyrimidinic site) lyase / rescue of stalled ribosome / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / positive regulation of apoptotic signaling pathway / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosomal large subunit biogenesis / cellular response to leukemia inhibitory factor / maturation of SSU-rRNA / placenta development / small-subunit processome / positive regulation of translation / protein kinase C binding / positive regulation of protein-containing complex assembly / G1/S transition of mitotic cell cycle / cellular response to gamma radiation / transcription coactivator binding / mRNA 5'-UTR binding / Regulation of expression of SLITs and ROBOs / modification-dependent protein catabolic process / spindle / cytoplasmic ribonucleoprotein granule / positive regulation of canonical Wnt signaling pathway / rhythmic process / rRNA processing / protein tag activity / antimicrobial humoral immune response mediated by antimicrobial peptide / glucose homeostasis / virus receptor activity / ribosome biogenesis / ribosome binding / retina development in camera-type eye / regulation of translation / heparin binding / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / small ribosomal subunit rRNA binding / cell body / T cell differentiation in thymus / 5S rRNA binding / large ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / perikaryon / defense response to Gram-negative bacterium / cytosolic large ribosomal subunit / killing of cells of another organism / cytoplasmic translation / cell differentiation / tRNA binding / postsynaptic density / protein stabilization Similarity search - Function
Peptide chain release factor eRF1/aRF1 / eRF1, domain 1 / eRF1 domain 2 / eRF1 domain 2 / eRF1 domain 1 / eRF1 domain 1/Pelota-like / eRF1 domain 3 / eRF1, domain 2 superfamily / eRF1 domain 3 / eRF1_1 ...Peptide chain release factor eRF1/aRF1 / eRF1, domain 1 / eRF1 domain 2 / eRF1 domain 2 / eRF1 domain 1 / eRF1 domain 1/Pelota-like / eRF1 domain 3 / eRF1, domain 2 superfamily / eRF1 domain 3 / eRF1_1 / 60S acidic ribosomal protein P0 / 40S ribosomal protein SA / 40S ribosomal protein SA, C-terminal domain / 40S ribosomal protein SA C-terminus / Ribosomal protein L6, N-terminal / Ribosomal protein L6, N-terminal domain / Ubiquitin-like protein FUBI / Ribosomal protein L30e / Ribosomal protein L2, archaeal-type / Ribosomal protein L28e / Ribosomal L15/L27a, N-terminal / Ribosomal protein L23 / Ribosomal L28e/Mak16 / Ribosomal L28e protein family / 60S ribosomal protein L10P, insertion domain / Insertion domain in 60S ribosomal protein L10P / : / Ribosomal protein S26e signature. / : / Ribosomal protein S26e / Ribosomal protein S26e superfamily / Ribosomal protein S26e / Ribosomal protein S21e, conserved site / Ribosomal protein S21e signature. / metallochaperone-like domain / Ribosomal protein S12e signature. / TRASH domain / Ribosomal protein S12e / Ribosomal protein S5, eukaryotic/archaeal / Ribosomal protein S19e, conserved site / Ribosomal protein S19e signature. / Small (40S) ribosomal subunit Asc1/RACK1 / Ribosomal protein L29e / Ribosomal L29e protein family / Ribosomal protein S21e / Ribosomal protein S2, eukaryotic / Ribosomal protein S21e superfamily / Ribosomal protein S21e / Ribosomal protein L1, conserved site / S27a-like superfamily / Ribosomal protein L1 signature. / 40S Ribosomal protein S10 / Ribosomal protein S10, eukaryotic/archaeal / Ribosomal protein L1 / Ribosomal protein L22e / Ribosomal protein L22e superfamily / Ribosomal L22e protein family / Ribosomal protein L38e / Ribosomal protein L38e superfamily / Ribosomal L38e protein family / Plectin/S10, N-terminal / Plectin/S10 domain / Ribosomal protein S25 / S25 ribosomal protein / Ribosomal protein S27a / Ribosomal protein S2, eukaryotic/archaeal / : / : / Ribosomal protein S27a / Ribosomal protein S27a / Ribosomal protein L27e, conserved site / Ribosomal protein L27e signature. / Ribosomal protein S17e, conserved site / Ribosomal protein S17e signature. / Ribosomal protein L44e signature. / Ribosomal protein S8e subdomain, eukaryotes / Ribosomal protein L10e, conserved site / Ribosomal protein L10e signature. / Ribosomal protein S30 / Ribosomal protein S30 / Ribosomal protein L10e / 40S ribosomal protein S29/30S ribosomal protein S14 type Z / Ribosomal protein S7e signature. / Ribosomal protein L19, eukaryotic / Ribosomal protein S3, eukaryotic/archaeal / 60S ribosomal protein L18a/ L20, eukaryotes / : / : / Ribosomal protein S19e / Ribosomal protein S3Ae, conserved site / Ribosomal protein S19e / Ribosomal protein S3Ae signature. / Ribosomal_S19e / Ribosomal protein S27e signature. / Ribosomal protein L24e, conserved site / Ribosomal protein L24e signature. / Ribosomal protein L44e / Ribosomal protein S4e, N-terminal, conserved site / Ribosomal protein L19/L19e conserved site / Ribosomal protein L44 Similarity search - Domain/homology
Large ribosomal subunit protein uL16 / Small ribosomal subunit protein uS4 / Large ribosomal subunit protein eL24 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein eL33 / Small ribosomal subunit protein eS12 / Large ribosomal subunit protein eL29 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein eL31 / Large ribosomal subunit protein eL21 ...Large ribosomal subunit protein uL16 / Small ribosomal subunit protein uS4 / Large ribosomal subunit protein eL24 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein eL33 / Small ribosomal subunit protein eS12 / Large ribosomal subunit protein eL29 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein eL31 / Large ribosomal subunit protein eL21 / Large ribosomal subunit protein uL29 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein RACK1 / Ubiquitin-ribosomal protein eS31 fusion protein / Large ribosomal subunit protein eL6 / Large ribosomal subunit protein uL1 / Large ribosomal subunit protein uL11 / Large ribosomal subunit protein uL15 / Small ribosomal subunit protein uS15 / Large ribosomal subunit protein uL24 / Small ribosomal subunit protein eS1 / Large ribosomal subunit protein eL8 / Large ribosomal subunit protein uL30 / Small ribosomal subunit protein eS7 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL6 / Small ribosomal subunit protein uS5 / Large ribosomal subunit protein eL43 / Large ribosomal subunit protein uL18 / Small ribosomal subunit protein uS12 / Large ribosomal subunit protein eL15 / 40S ribosomal protein S24 / Large ribosomal subunit protein uL14 / Ubiquitin-like FUBI-ribosomal protein eS30 fusion protein / Small ribosomal subunit protein eS25 / Large ribosomal subunit protein eL30 / Small ribosomal subunit protein eS26 / Small ribosomal subunit protein uS7 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein eS28 / Ribosomal protein L19 / Small ribosomal subunit protein eS8 / Small ribosomal subunit protein eS4 / Large ribosomal subunit protein uL3 / Small ribosomal subunit protein eS6 / Small ribosomal subunit protein eS21 / Small ribosomal subunit protein eS19 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein eS10 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein eL22 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein eL39 / Large ribosomal subunit protein eL36 / Large ribosomal subunit protein eL20 / Small ribosomal subunit protein eS17 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein uL22 / Small ribosomal subunit protein uS2 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein uL15/eL18 domain-containing protein / Large ribosomal subunit protein eL27 / Small ribosomal subunit protein eS27 / Large ribosomal subunit protein eL38 / Small ribosomal subunit protein uS19 / Large ribosomal subunit protein eL42 / 60S ribosomal protein L38 / Large ribosomal subunit protein eL32 / Small ribosomal subunit protein uS11 / 60S acidic ribosomal protein P0 / Large ribosomal subunit protein eL28 / Small ribosomal subunit protein uS14 / Large ribosomal subunit protein eL34 / Eukaryotic peptide chain release factor subunit 1 / Large ribosomal subunit protein eL14 / Large ribosomal subunit protein eL37 Similarity search - Component
Biological species
Oryctolagus cuniculus (rabbit) / Rabbit (rabbit) / Homo sapiens (human) / Escherichia coli (E. coli) / Cricket paralysis virus
Method
single particle reconstruction / cryo EM / Resolution: 3.2 Å
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)
GM097014
United States
Citation
Journal: Elife / Year: 2018 Title: Dual tRNA mimicry in the Cricket Paralysis Virus IRES uncovers an unexpected similarity with the Hepatitis C Virus IRES. Authors: Vera P Pisareva / Andrey V Pisarev / Israel S Fernández / Abstract: Co-opting the cellular machinery for protein production is a compulsory requirement for viruses. The Cricket Paralysis Virus employs an Internal Ribosomal Entry Site (CrPV-IRES) to express its ...Co-opting the cellular machinery for protein production is a compulsory requirement for viruses. The Cricket Paralysis Virus employs an Internal Ribosomal Entry Site (CrPV-IRES) to express its structural genes in the late stage of infection. Ribosome hijacking is achieved by a sophisticated use of molecular mimicry to tRNA and mRNA, employed to manipulate intrinsically dynamic components of the ribosome. Binding and translocation through the ribosome is required for this IRES to initiate translation. We report two structures, solved by single particle electron cryo-microscopy (cryoEM), of a double translocated CrPV-IRES with aminoacyl-tRNA in the peptidyl site (P site) of the ribosome. CrPV-IRES adopts a previously unseen conformation, mimicking the acceptor stem of a canonical E site tRNA. The structures suggest a mechanism for the positioning of the first aminoacyl-tRNA shared with the distantly related Hepatitis C Virus IRES.
History
Deposition
Apr 27, 2018
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Header (metadata) release
Jun 6, 2018
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Map release
Jun 6, 2018
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Update
Dec 18, 2019
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Current status
Dec 18, 2019
Processing site: RCSB / Status: Released
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Structure visualization
Movie
Surface view with section colored by density value
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