+Open data
-Basic information
Entry | Database: PDB / ID: 7bhp | |||||||||
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Title | Cryo-EM structure of the human Ebp1 - 80S ribosome | |||||||||
Components |
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Keywords | RIBOSOME / EBP1 / PAG2G4 / MetAP2 / metalloprotease / ES27 / ribosomal tunnel exit | |||||||||
Function / homology | Function and homology information eukaryotic 80S initiation complex / negative regulation of protein neddylation / translation at presynapse / axial mesoderm development / negative regulation of formation of translation preinitiation complex / 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 / exit from mitosis / 90S preribosome assembly / positive regulation of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator ...eukaryotic 80S initiation complex / negative regulation of protein neddylation / translation at presynapse / axial mesoderm development / negative regulation of formation of translation preinitiation complex / 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 / exit from mitosis / 90S preribosome assembly / positive regulation of DNA damage response, signal transduction by p53 class mediator resulting in transcription of p21 class mediator / optic nerve development / TORC2 complex binding / GAIT complex / retinal ganglion cell axon guidance / middle ear morphogenesis / cytoplasmic side of rough endoplasmic reticulum membrane / A band / positive regulation of signal transduction by p53 class mediator / ubiquitin ligase inhibitor activity / alpha-beta T cell differentiation / negative regulation of ubiquitin protein ligase activity / response to aldosterone / homeostatic process / lung morphogenesis / macrophage chemotaxis / Protein hydroxylation / male meiosis I / Peptide chain elongation / Selenocysteine synthesis / protein-RNA complex assembly / Formation of a pool of free 40S subunits / Eukaryotic Translation Termination / blastocyst development / Response of EIF2AK4 (GCN2) to amino acid deficiency / SRP-dependent cotranslational protein targeting to membrane / Viral mRNA Translation / protein localization to nucleus / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / GTP hydrolysis and joining of the 60S ribosomal subunit / negative regulation of proteasomal ubiquitin-dependent protein catabolic process / L13a-mediated translational silencing of Ceruloplasmin expression / Major pathway of rRNA processing in the nucleolus and cytosol / protein targeting / rough endoplasmic reticulum / MDM2/MDM4 family protein binding / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of LSU-rRNA / Maturation of protein E / negative regulation of ubiquitin-dependent protein catabolic process / Maturation of protein E / ER Quality Control Compartment (ERQC) / ribosomal large subunit biogenesis / embryo implantation / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / Prevention of phagosomal-lysosomal fusion / IRAK2 mediated activation of TAK1 complex / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Membrane binding and targetting of GAG proteins / Constitutive Signaling by NOTCH1 HD Domain Mutants / Endosomal Sorting Complex Required For Transport (ESCRT) / NOTCH2 Activation and Transmission of Signal to the Nucleus / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Negative regulation of FLT3 / Regulation of FZD by ubiquitination / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / APC/C:Cdc20 mediated degradation of Cyclin B / Downregulation of ERBB4 signaling / p75NTR recruits signalling complexes / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / APC-Cdc20 mediated degradation of Nek2A / PINK1-PRKN Mediated Mitophagy / TRAF6-mediated induction of TAK1 complex within TLR4 complex / InlA-mediated entry of Listeria monocytogenes into host cells / Pexophagy / Regulation of innate immune responses to cytosolic DNA / VLDLR internalisation and degradation / cellular response to interleukin-4 / Downregulation of ERBB2:ERBB3 signaling / NRIF signals cell death from the nucleus / Activated NOTCH1 Transmits Signal to the Nucleus / Translesion synthesis by REV1 / NF-kB is activated and signals survival / Regulation of PTEN localization / Translesion synthesis by POLK / Regulation of BACH1 activity / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / Translesion synthesis by POLI / ossification / Gap-filling DNA repair synthesis and ligation in GG-NER / MAP3K8 (TPL2)-dependent MAPK1/3 activation / TICAM1, RIP1-mediated IKK complex recruitment / cytosolic ribosome Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) | |||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.3 Å | |||||||||
Authors | Desogus, J. / Bhaskar, V. / Chao, J.A. | |||||||||
Funding support | Switzerland, 2items
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Citation | Journal: RNA / Year: 2021 Title: Dynamic association of human Ebp1 with the ribosome. Authors: Varun Bhaskar / Jessica Desogus / Alexandra Graff-Meyer / Andreas D Schenk / Simone Cavadini / Jeffrey A Chao / Abstract: Ribosomes are the macromolecular machines at the heart of protein synthesis; however, their function can be modulated by a variety of additional protein factors that directly interact with them. ...Ribosomes are the macromolecular machines at the heart of protein synthesis; however, their function can be modulated by a variety of additional protein factors that directly interact with them. Here, we report the cryo-EM structure of human Ebp1 (p48 isoform) bound to the human 80S ribosome at 3.3 Å resolution. Ebp1 binds in the vicinity of the peptide exit tunnel on the 80S ribosome, and this binding is enhanced upon puromycin-mediated translational inhibition. The association of Ebp1 with the 80S ribosome centers around its interaction with ribosomal proteins eL19 and uL23 and the 28S rRNA. Further analysis of the Ebp1-ribosome complex suggests that Ebp1 can rotate around its insert domain, which may enable it to assume a wide range of conformations while maintaining its interaction with the ribosome. Structurally, Ebp1 shares homology with the methionine aminopeptidase 2 family of enzymes; therefore, this inherent flexibility may also be conserved. | |||||||||
History |
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-Structure visualization
Movie |
Movie viewer |
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Structure viewer | Molecule: MolmilJmol/JSmol |
-Downloads & links
-Download
PDBx/mmCIF format | 7bhp.cif.gz | 3.1 MB | Display | PDBx/mmCIF format |
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PDB format | pdb7bhp.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 7bhp.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/bh/7bhp ftp://data.pdbj.org/pub/pdb/validation_reports/bh/7bhp | HTTPS FTP |
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-Related structure data
Related structure data | 12189MC M: map data used to model this data C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
-RNA chain , 4 types, 4 molecules L5L7L8B
#1: RNA chain | Mass: 1640182.000 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 86475748 |
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#2: RNA chain | Mass: 38691.914 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 23898 |
#3: RNA chain | Mass: 50143.648 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: GenBank: 555853 |
#45: RNA chain | Mass: 11662.016 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) |
+60S ribosomal protein ... , 39 types, 39 molecules LALBLCLDLELFLGLHLILJLLLMLNLOLPLQLRLSLTLULWLXLYLZLaLbLcLdLeLf...
-Protein , 2 types, 2 molecules LmA
#40: Protein | Mass: 14758.394 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62987 |
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#44: Protein | Mass: 43851.879 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9UQ80 |
-Non-polymers , 3 types, 55 molecules
#46: Chemical | ChemComp-MG / #47: Chemical | ChemComp-ZN / #48: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | N |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component | Name: Complex of human EBP1 and 80S ribosome / Type: RIBOSOME / Entity ID: #1-#45 / Source: NATURAL |
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Source (natural) | Organism: Homo sapiens (human) |
Buffer solution | pH: 7.5 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: SPOT SCAN |
Electron lens | Mode: BRIGHT FIELDBright-field microscopy |
Image recording | Electron dose: 40 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
-Processing
Software |
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EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3D reconstruction | Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 44556 / Symmetry type: POINT | ||||||||||||||||||||||||
Atomic model building | Protocol: RIGID BODY FIT | ||||||||||||||||||||||||
Atomic model building |
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Refinement | Cross valid method: NONE Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2 | ||||||||||||||||||||||||
Displacement parameters | Biso mean: 113.98 Å2 | ||||||||||||||||||||||||
Refine LS restraints |
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