- EMDB-10181: Rabbit 80S ribosome stalled on a poly(A) tail -
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Basic information
Entry
Database: EMDB / ID: EMD-10181
Title
Rabbit 80S ribosome stalled on a poly(A) tail
Map data
Structure of rabbit 80S stalled on a polyA tail
Sample
Complex: Rabbit 80S ribosome stalled on polyA mRNA
Complex: ribosome
RNA: x 5 types
Protein or peptide: x 79 types
Complex: polyA mRNA
RNA: x 1 types
Ligand: x 3 types
Function / homology
Function and homology information
ribosomal subunit / exit from mitosis / optic nerve development / retinal ganglion cell axon guidance / positive regulation of signal transduction by p53 class mediator / ubiquitin ligase inhibitor activity / phagocytic cup / 90S preribosome / protein-RNA complex assembly / ribosomal small subunit export from nucleus ...ribosomal subunit / exit from mitosis / optic nerve development / retinal ganglion cell axon guidance / positive regulation of signal transduction by p53 class mediator / ubiquitin ligase inhibitor activity / phagocytic cup / 90S preribosome / protein-RNA complex assembly / ribosomal small subunit export from nucleus / rough endoplasmic reticulum / translation regulator activity / gastrulation / MDM2/MDM4 family protein binding / cytosolic ribosome / class I DNA-(apurinic or apyrimidinic site) endonuclease activity / DNA-(apurinic or apyrimidinic site) lyase / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosomal large subunit biogenesis / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / positive regulation of apoptotic signaling pathway / maturation of SSU-rRNA / small-subunit processome / spindle / mRNA 5'-UTR binding / antimicrobial humoral immune response mediated by antimicrobial peptide / rRNA processing / rhythmic process / positive regulation of canonical Wnt signaling pathway / regulation of translation / large ribosomal subunit / ribosome binding / ribosomal small subunit biogenesis / ribosomal small subunit assembly / retina development in camera-type eye / small ribosomal subunit / 5S rRNA binding / ribosomal large subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / small ribosomal subunit rRNA binding / defense response to Gram-negative bacterium / killing of cells of another organism / perikaryon / cytosolic large ribosomal subunit / cytoplasmic translation / cell differentiation / tRNA binding / mitochondrial inner membrane / postsynaptic density / rRNA binding / ribosome / structural constituent of ribosome / translation / ribonucleoprotein complex / cell division / DNA repair / mRNA binding / apoptotic process / synapse / centrosome / dendrite / negative regulation of apoptotic process / nucleolus / perinuclear region of cytoplasm / endoplasmic reticulum / Golgi apparatus / DNA binding / RNA binding / zinc ion binding / nucleus / membrane / cytosol / cytoplasm Similarity search - Function
Ribosomal protein L6, N-terminal / Ribosomal protein L6, N-terminal domain / Ubiquitin-like protein FUBI / Ribosomal protein L30e / Ribosomal protein L2, archaeal-type / Ribosomal L15/L27a, N-terminal / Ribosomal protein L28e / Ribosomal protein L23 / Ribosomal L28e/Mak16 / Ribosomal L28e protein family ...Ribosomal protein L6, N-terminal / Ribosomal protein L6, N-terminal domain / Ubiquitin-like protein FUBI / Ribosomal protein L30e / Ribosomal protein L2, archaeal-type / Ribosomal L15/L27a, N-terminal / Ribosomal protein L28e / Ribosomal protein L23 / Ribosomal L28e/Mak16 / Ribosomal L28e protein family / metallochaperone-like domain / TRASH domain / Ribosomal protein L41 / Ribosomal protein L41 / Ribosomal protein L1, conserved site / Ribosomal protein L1 signature. / : / Ribosomal protein S12e signature. / Ribosomal protein L1 / Ribosomal protein S12e / Ribosomal protein S19e, conserved site / Ribosomal protein S19e signature. / Small (40S) ribosomal subunit Asc1/RACK1 / S27a-like superfamily / Ribosomal protein L10e, conserved site / Ribosomal protein L10e signature. / Ribosomal protein L27e, conserved site / Ribosomal protein L27e signature. / Ribosomal protein L10e / 40S Ribosomal protein S10 / Ribosomal protein L38e / Ribosomal protein L38e superfamily / Ribosomal L38e protein family / : / Ribosomal protein S7e signature. / Ribosomal protein L44e signature. / : / Ribosomal protein L1, 3-layer alpha/beta-sandwich / Plectin/S10, N-terminal / Plectin/S10 domain / Ribosomal protein L24e, conserved site / Ribosomal protein L24e signature. / : / Ribosomal protein S10, eukaryotic/archaeal / Ribosomal protein S8e subdomain, eukaryotes / Ribosomal protein L6e signature. / Ribosomal protein S25 / S25 ribosomal protein / Ribosomal protein S27a / Ribosomal protein S17e, conserved site / : / Ribosomal protein S27a / Ribosomal protein S17e signature. / Ribosomal protein S27a / Ribosomal protein S3Ae, conserved site / Ribosomal protein S3Ae signature. / Ribosomal protein L44e / Ribosomal protein S30 / Ribosomal protein L44 / Ribosomal protein S30 / Ribosomal protein L34e, conserved site / Ribosomal protein L34e signature. / Ribosomal protein L5 eukaryotic, C-terminal / Ribosomal L18 C-terminal region / Ribosomal protein L30e signature 1. / 40S ribosomal protein S29/30S ribosomal protein S14 type Z / 40S ribosomal protein S4, C-terminal domain / 40S ribosomal protein S4 C-terminus / Ribosomal protein S27e signature. / Ribosomal protein S4e, N-terminal, conserved site / Ribosomal protein S4e signature. / Ribosomal protein L23/L25, N-terminal / Ribosomal protein L23, N-terminal domain / Ribosomal protein S3, eukaryotic/archaeal / Eukaryotic Ribosomal Protein L27, KOW domain / Ribosomal Protein L6, KOW domain / Ribosomal protein S8e, conserved site / Ribosomal protein S8e signature. / Ribosomal protein S6, eukaryotic / Ribosomal protein L30e signature 2. / Ribosomal protein L27e / Ribosomal protein S19e / Ribosomal protein L27e superfamily / Ribosomal protein S19e / Ribosomal L27e protein family / Ribosomal protein L36e signature. / Ribosomal_S19e / Ribosomal protein L35Ae, conserved site / Ribosomal protein L30e, conserved site / Ribosomal protein L35Ae signature. / Ribosomal protein L1-like / Ribosomal protein L1/ribosomal biogenesis protein / Ribosomal protein L1p/L10e family / Ribosomal protein S7e / Ribosomal protein S7e / Ribosomal protein L39e, conserved site / Ribosomal protein L39e signature. / 40S ribosomal protein S1/3, eukaryotes / Ribosomal protein S19A/S15e / : Similarity search - Domain/homology
Small ribosomal subunit protein eS32 / 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 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein eL31 / Large ribosomal subunit protein eL21 ...Small ribosomal subunit protein eS32 / 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 / 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 / Small ribosomal subunit protein eS7 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein eL43 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein eL14 / Large ribosomal subunit protein eL15 / 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 uS7 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein eS28 / Small ribosomal subunit protein eS8 / Small ribosomal subunit protein eS4 / Large ribosomal subunit protein uL3 / Small ribosomal subunit protein eS6 / 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 uL2 / Large ribosomal subunit protein eL39 / Large ribosomal subunit protein eL36 / Small ribosomal subunit protein eS17 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL6 / 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 / Large ribosomal subunit protein eL32 / Large ribosomal subunit protein eL28 / Small ribosomal subunit protein uS14 / Large ribosomal subunit protein eL34 / Large ribosomal subunit protein eL37 Similarity search - Component
Biological species
Oryctolagus cuniculus (rabbit) / Homo sapiens (human) / Rabbit (rabbit)
Method
single particle reconstruction / cryo EM / Resolution: 2.8 Å
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)
GM51266
United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)
GM113078
United States
Citation
Journal: Nat Struct Mol Biol / Year: 2019 Title: Mechanism of ribosome stalling during translation of a poly(A) tail. Authors: Viswanathan Chandrasekaran / Szymon Juszkiewicz / Junhong Choi / Joseph D Puglisi / Alan Brown / Sichen Shao / V Ramakrishnan / Ramanujan S Hegde / Abstract: Faulty or damaged messenger RNAs are detected by the cell when translating ribosomes stall during elongation and trigger pathways of mRNA decay, nascent protein degradation and ribosome recycling. ...Faulty or damaged messenger RNAs are detected by the cell when translating ribosomes stall during elongation and trigger pathways of mRNA decay, nascent protein degradation and ribosome recycling. The most common mRNA defect in eukaryotes is probably inappropriate polyadenylation at near-cognate sites within the coding region. How ribosomes stall selectively when they encounter poly(A) is unclear. Here, we use biochemical and structural approaches in mammalian systems to show that poly-lysine, encoded by poly(A), favors a peptidyl-transfer RNA conformation suboptimal for peptide bond formation. This conformation partially slows elongation, permitting poly(A) mRNA in the ribosome's decoding center to adopt a ribosomal RNA-stabilized single-stranded helix. The reconfigured decoding center clashes with incoming aminoacyl-tRNA, thereby precluding elongation. Thus, coincidence detection of poly-lysine in the exit tunnel and poly(A) in the decoding center allows ribosomes to detect aberrant mRNAs selectively, stall elongation and trigger downstream quality control pathways essential for cellular homeostasis.
History
Deposition
Aug 3, 2019
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Header (metadata) release
Dec 4, 2019
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Map release
Dec 4, 2019
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Update
Mar 30, 2022
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Current status
Mar 30, 2022
Processing site: PDBe / Status: Released
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Structure visualization
Movie
Surface view with section colored by density value
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