[English] 日本語
Yorodumi- EMDB-62453: Structure of the human 40S ribosome complexed with HCV IRES, eIF1... -
+
Open data
-
Basic information
| Entry | ![]() | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Title | Structure of the human 40S ribosome complexed with HCV IRES, eIF1A and eIF3 | |||||||||
Map data | The map generated by 3DFlex refinement in cryoSPARC, deposited as an additional map, was utilized for modeling. | |||||||||
Sample |
| |||||||||
Keywords | HCV IRES / RIBOSOME | |||||||||
| Function / homology | Function and homology informationpositive regulation of mRNA binding / viral translational termination-reinitiation / eukaryotic translation initiation factor 3 complex, eIF3e / cap-dependent translational initiation / eukaryotic translation initiation factor 3 complex, eIF3m / IRES-dependent viral translational initiation / translation reinitiation / formation of cytoplasmic translation initiation complex / eukaryotic translation initiation factor 3 complex / multi-eIF complex ...positive regulation of mRNA binding / viral translational termination-reinitiation / eukaryotic translation initiation factor 3 complex, eIF3e / cap-dependent translational initiation / eukaryotic translation initiation factor 3 complex, eIF3m / IRES-dependent viral translational initiation / translation reinitiation / formation of cytoplasmic translation initiation complex / eukaryotic translation initiation factor 3 complex / multi-eIF complex / cytoplasmic translational initiation / translation factor activity, RNA binding / eukaryotic 43S preinitiation complex / mRNA cap binding / eukaryotic 48S preinitiation complex / negative regulation of endoplasmic reticulum unfolded protein response / oxidized pyrimidine DNA binding / response to TNF agonist / positive regulation of base-excision repair / positive regulation of respiratory burst involved in inflammatory response / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage / positive regulation of gastrulation / protein tyrosine kinase inhibitor activity / positive regulation of endodeoxyribonuclease activity / IRE1-RACK1-PP2A complex / nucleolus organization / positive regulation of Golgi to plasma membrane protein transport / TNFR1-mediated ceramide production / negative regulation of DNA repair / negative regulation of RNA splicing / metal-dependent deubiquitinase activity / nuclear-transcribed mRNA catabolic process, nonsense-mediated decay / supercoiled DNA binding / neural crest cell differentiation / regulation of translational initiation / NF-kappaB complex / cysteine-type endopeptidase activator activity involved in apoptotic process / oxidized purine DNA binding / positive regulation of ubiquitin-protein transferase activity / negative regulation of intrinsic apoptotic signaling pathway in response to hydrogen peroxide / regulation of establishment of cell polarity / negative regulation of bicellular tight junction assembly / ubiquitin-like protein conjugating enzyme binding / negative regulation of phagocytosis / rRNA modification in the nucleus and cytosol / erythrocyte homeostasis / Formation of the ternary complex, and subsequently, the 43S complex / cytoplasmic side of rough endoplasmic reticulum membrane / laminin receptor activity / negative regulation of ubiquitin protein ligase activity / protein kinase A binding / ion channel inhibitor activity / Ribosomal scanning and start codon recognition / pigmentation / Translation initiation complex formation / positive regulation of mitochondrial depolarization / positive regulation of T cell receptor signaling pathway / fibroblast growth factor binding / negative regulation of Wnt signaling pathway / monocyte chemotaxis / positive regulation of activated T cell proliferation / negative regulation of translational frameshifting / TOR signaling / Protein hydroxylation / BH3 domain binding / SARS-CoV-1 modulates host translation machinery / iron-sulfur cluster binding / regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway / regulation of cell division / cellular response to ethanol / mTORC1-mediated signalling / Peptide chain elongation / Selenocysteine synthesis / Formation of a pool of free 40S subunits / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / endonucleolytic cleavage to generate mature 3'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / Eukaryotic Translation Termination / ubiquitin ligase inhibitor activity / positive regulation of GTPase activity / SRP-dependent cotranslational protein targeting to membrane / Response of EIF2AK4 (GCN2) to amino acid deficiency / protein serine/threonine kinase inhibitor activity / negative regulation of ubiquitin-dependent protein catabolic process / positive regulation of signal transduction by p53 class mediator / Viral mRNA Translation / negative regulation of respiratory burst involved in inflammatory response / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / GTP hydrolysis and joining of the 60S ribosomal subunit / L13a-mediated translational silencing of Ceruloplasmin expression / Major pathway of rRNA processing in the nucleolus and cytosol / phagocytic cup / regulation of translational fidelity / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / negative regulation of protein binding / Protein methylation / positive regulation of intrinsic apoptotic signaling pathway / Nuclear events stimulated by ALK signaling in cancer / spindle assembly / laminin binding / rough endoplasmic reticulum Similarity search - Function | |||||||||
| Biological species | Homo sapiens (human) / Hepacivirus hominis | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.2 Å | |||||||||
Authors | Iwasaki W / Kashiwagi K / Sakamoto A / Nishimoto M / Takahashi M / Machida K / Imataka H / Matsumoto A / Shichino Y / Iwasaki S ...Iwasaki W / Kashiwagi K / Sakamoto A / Nishimoto M / Takahashi M / Machida K / Imataka H / Matsumoto A / Shichino Y / Iwasaki S / Imami K / Ito T | |||||||||
| Funding support | Japan, 2 items
| |||||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2025Title: Structural Insights into the Role of eIF3 in Translation Mediated by the HCV IRES Authors: Iwasaki W / Kashiwagi K / Sakamoto A / Nishimoto M / Takahashi M / Machida K / Imataka H / Matsumoto A / Shichino Y / Iwasaki S / Imami K / Ito T | |||||||||
| History |
|
-
Structure visualization
| Supplemental images |
|---|
-
Downloads & links
-EMDB archive
| Map data | emd_62453.map.gz | 244.1 MB | EMDB map data format | |
|---|---|---|---|---|
| Header (meta data) | emd-62453-v30.xml emd-62453.xml | 76.8 KB 76.8 KB | Display Display | EMDB header |
| Images | emd_62453.png | 67.6 KB | ||
| Filedesc metadata | emd-62453.cif.gz | 16.2 KB | ||
| Others | emd_62453_additional_1.map.gz emd_62453_half_map_1.map.gz emd_62453_half_map_2.map.gz | 302.3 MB 383.9 MB 383.2 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-62453 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-62453 | HTTPS FTP |
-Validation report
| Summary document | emd_62453_validation.pdf.gz | 935.8 KB | Display | EMDB validaton report |
|---|---|---|---|---|
| Full document | emd_62453_full_validation.pdf.gz | 935.3 KB | Display | |
| Data in XML | emd_62453_validation.xml.gz | 18.6 KB | Display | |
| Data in CIF | emd_62453_validation.cif.gz | 22.3 KB | Display | |
| Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-62453 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-62453 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9kn5MC ![]() 9kkfC ![]() 9kn6C ![]() 9krpC ![]() 9kzuC ![]() 9kzxC M: atomic model generated by this map C: citing same article ( |
|---|---|
| Similar structure data | Similarity search - Function & homology F&H Search |
-
Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
|---|---|
| Related items in Molecule of the Month |
-
Map
| File | Download / File: emd_62453.map.gz / Format: CCP4 / Size: 476.8 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annotation | The map generated by 3DFlex refinement in cryoSPARC, deposited as an additional map, was utilized for modeling. | ||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 1.272 Å | ||||||||||||||||||||||||||||||||||||
| Density |
| ||||||||||||||||||||||||||||||||||||
| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
|
-Supplemental data
-Additional map: This map was generated using refinement in RELION...
| File | emd_62453_additional_1.map | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Annotation | This map was generated using refinement in RELION followed by 3DFlex refinement in cryoSPARC. | ||||||||||||
| Projections & Slices |
| ||||||||||||
| Density Histograms |
-Half map: #2
| File | emd_62453_half_map_1.map | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Projections & Slices |
| ||||||||||||
| Density Histograms |
-Half map: #1
| File | emd_62453_half_map_2.map | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Projections & Slices |
| ||||||||||||
| Density Histograms |
-
Sample components
+Entire : Human translational initiation complex with HCV IRES, eIF1A and eIF3
+Supramolecule #1: Human translational initiation complex with HCV IRES, eIF1A and eIF3
+Supramolecule #2: Eukaryotic translation initiation factors 1A and 3
+Supramolecule #3: ribosome
+Supramolecule #4: HCV IRES
+Macromolecule #1: Eukaryotic translation initiation factor 1A, X-chromosomal
+Macromolecule #2: Small ribosomal subunit protein uS2
+Macromolecule #3: 40S ribosomal protein S3a
+Macromolecule #4: 40S ribosomal protein S2
+Macromolecule #5: 40S ribosomal protein S3
+Macromolecule #6: 40S ribosomal protein S4, X isoform
+Macromolecule #7: 40S ribosomal protein S5
+Macromolecule #8: 40S ribosomal protein S6
+Macromolecule #9: 40S ribosomal protein S7
+Macromolecule #10: 40S ribosomal protein S8
+Macromolecule #11: 40S ribosomal protein S9
+Macromolecule #12: 40S ribosomal protein S10
+Macromolecule #13: 40S ribosomal protein S11
+Macromolecule #14: 40S ribosomal protein S12
+Macromolecule #15: 40S ribosomal protein S13
+Macromolecule #16: 40S ribosomal protein S14
+Macromolecule #17: 40S ribosomal protein S15
+Macromolecule #18: 40S ribosomal protein S16
+Macromolecule #19: 40S ribosomal protein S17
+Macromolecule #20: 40S ribosomal protein S18
+Macromolecule #21: 40S ribosomal protein S19
+Macromolecule #22: 40S ribosomal protein S20
+Macromolecule #23: 40S ribosomal protein S21
+Macromolecule #24: 40S ribosomal protein S15a
+Macromolecule #25: 40S ribosomal protein S23
+Macromolecule #26: 40S ribosomal protein S24
+Macromolecule #27: 40S ribosomal protein S25
+Macromolecule #28: 40S ribosomal protein S26
+Macromolecule #29: 40S ribosomal protein S27
+Macromolecule #30: 40S ribosomal protein S28
+Macromolecule #31: 40S ribosomal protein S29
+Macromolecule #32: 40S ribosomal protein S30
+Macromolecule #33: Ubiquitin-40S ribosomal protein S27a
+Macromolecule #34: Receptor of activated protein C kinase 1
+Macromolecule #35: 60S ribosomal protein L41
+Macromolecule #38: Eukaryotic translation initiation factor 3 subunit M
+Macromolecule #39: Eukaryotic translation initiation factor 3 subunit F
+Macromolecule #40: Eukaryotic translation initiation factor 3 subunit A
+Macromolecule #41: Eukaryotic translation initiation factor 3 subunit E
+Macromolecule #42: Eukaryotic translation initiation factor 3 subunit C
+Macromolecule #43: Eukaryotic translation initiation factor 3 subunit H
+Macromolecule #44: Eukaryotic translation initiation factor 3 subunit D
+Macromolecule #45: Eukaryotic translation initiation factor 3 subunit K
+Macromolecule #46: Eukaryotic translation initiation factor 3 subunit L
+Macromolecule #36: Chains: S2
+Macromolecule #37: Chains: zz
+Macromolecule #47: ZINC ION
+Macromolecule #48: MAGNESIUM ION
-Experimental details
-Structure determination
| Method | cryo EM |
|---|---|
Processing | single particle reconstruction |
| Aggregation state | particle |
-
Sample preparation
| Buffer | pH: 7.5 |
|---|---|
| Vitrification | Cryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV |
-
Electron microscopy
| Microscope | TFS KRIOS |
|---|---|
| Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 56.2 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.0 µm / Nominal defocus min: 1.5 µm |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
Movie
Controller
About Yorodumi



Keywords
Homo sapiens (human)
Hepacivirus hominis
Authors
Japan, 2 items
Citation










































Z (Sec.)
Y (Row.)
X (Col.)













































Processing
FIELD EMISSION GUN

