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- EMDB-17697: Structure of human 48S translation initiation complex in AUG reco... -
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Open data
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Basic information
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Title | Structure of human 48S translation initiation complex in AUG recognition state after eIF5-induced GTP hydrolysis by eIF2 (48S-2) | |||||||||
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![]() | RIBOSOME / TRANSLATION / initiation / 48S / eIF / human / eukaryotic / factor / codon / scanning / closed | |||||||||
Function / homology | ![]() eukaryotic initiation factor eIF2 binding / positive regulation of mRNA binding / regulation of translation in response to endoplasmic reticulum stress / translation initiation ternary complex / glial limiting end-foot / response to kainic acid / HRI-mediated signaling / Cellular response to mitochondrial stress / viral translational termination-reinitiation / response to manganese-induced endoplasmic reticulum stress ...eukaryotic initiation factor eIF2 binding / positive regulation of mRNA binding / regulation of translation in response to endoplasmic reticulum stress / translation initiation ternary complex / glial limiting end-foot / response to kainic acid / HRI-mediated signaling / Cellular response to mitochondrial stress / viral translational termination-reinitiation / response to manganese-induced endoplasmic reticulum stress / positive regulation of type B pancreatic cell apoptotic process / methionyl-initiator methionine tRNA binding / eukaryotic translation initiation factor 3 complex, eIF3e / negative regulation of translational initiation in response to stress / Response of EIF2AK1 (HRI) to heme deficiency / cap-dependent translational initiation / eukaryotic translation initiation factor 3 complex, eIF3m / Recycling of eIF2:GDP / PERK-mediated unfolded protein response / translation reinitiation / selenocysteine metabolic process / PERK regulates gene expression / eukaryotic translation initiation factor 2 complex / IRES-dependent viral translational initiation / regulation of translational initiation in response to stress / multi-eIF complex / formation of cytoplasmic translation initiation complex / eukaryotic translation initiation factor 3 complex / selenocysteine incorporation / selenocysteine insertion sequence binding / protein-synthesizing GTPase / eukaryotic 43S preinitiation complex / cytoplasmic translational initiation / translation factor activity, RNA binding / mRNA cap binding / formation of translation preinitiation complex / positive regulation of cysteine-type endopeptidase activity involved in execution phase of apoptosis / negative regulation of endoplasmic reticulum unfolded protein response / oxidized pyrimidine DNA binding / response to TNF agonist / positive regulation of base-excision repair / eukaryotic 48S preinitiation complex / protein tyrosine kinase inhibitor activity / positive regulation of respiratory burst involved in inflammatory response / regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage / positive regulation of gastrulation / nucleolus organization / IRE1-RACK1-PP2A complex / : / positive regulation of endodeoxyribonuclease activity / 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 / negative regulation of intrinsic apoptotic signaling pathway in response to hydrogen peroxide / oxidized purine DNA binding / supercoiled DNA binding / neural crest cell differentiation / NF-kappaB complex / GDP-dissociation inhibitor activity / ubiquitin-like protein conjugating enzyme binding / regulation of translational initiation / regulation of establishment of cell polarity / negative regulation of phagocytosis / positive regulation of ubiquitin-protein transferase activity / rRNA modification in the nucleus and cytosol / Formation of the ternary complex, and subsequently, the 43S complex / erythrocyte homeostasis / cytoplasmic side of rough endoplasmic reticulum membrane / laminin receptor activity / nuclear-transcribed mRNA catabolic process, nonsense-mediated decay / protein kinase A binding / negative regulation of ubiquitin protein ligase activity / Ribosomal scanning and start codon recognition / ion channel inhibitor activity / Translation initiation complex formation / pigmentation / mammalian oogenesis stage / positive regulation of mitochondrial depolarization / activation-induced cell death of T cells / positive regulation of T cell receptor signaling pathway / negative regulation of Wnt signaling pathway / fibroblast growth factor binding / positive regulation of activated T cell proliferation / iron-sulfur cluster binding / regulation of cell division / Protein hydroxylation / negative regulation of peptidyl-serine phosphorylation / BH3 domain binding / mTORC1-mediated signalling / SARS-CoV-1 modulates host translation machinery / monocyte chemotaxis / Peptide chain elongation / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / cysteine-type endopeptidase activator activity involved in apoptotic process / Selenocysteine synthesis / positive regulation of signal transduction by p53 class mediator / Formation of a pool of free 40S subunits Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.4 Å | |||||||||
![]() | Petrychenko V / Yi S-H / Liedtke D / Peng BZ / Rodnina MV / Fischer N | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural basis for translational control by the human 48S initiation complex from codon scanning toward subunit joining Authors: Petrychenko V / Yi S-H / Liedtke D / Peng BZ / Rodnina MV / Fischer N | |||||||||
History |
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Structure visualization
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Downloads & links
-EMDB archive
Map data | ![]() | 275.5 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 92.9 KB 92.9 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 12.7 KB | Display | ![]() |
Images | ![]() | 185.2 KB | ||
Masks | ![]() | 178 MB | ![]() | |
Filedesc metadata | ![]() | 18.9 KB | ||
Others | ![]() ![]() ![]() ![]() ![]() ![]() | 164.5 MB 163.8 MB 162.8 MB 140.7 MB 141 MB 141.1 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8pj2MC ![]() 17696 ![]() 17698 ![]() 17699 ![]() 17700 ![]() 17701 ![]() 19128 ![]() 8pj1C ![]() 8pj3C ![]() 8pj4C ![]() 8pj5C ![]() 8pj6C ![]() 8rg0C M: atomic model generated by this map C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
File | ![]() | ||||||||||||||||||||
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Voxel size | X=Y=Z: 0.967 Å | ||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
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Sample components
+Entire : Human 48S initiation complex 40S-eIF1A-eIF2-eIF3-eIF5-tRNA-Met-mRNA
+Supramolecule #1: Human 48S initiation complex 40S-eIF1A-eIF2-eIF3-eIF5-tRNA-Met-mRNA
+Supramolecule #2: Human 48S initiation complex
+Supramolecule #3: mRNA, 18S rRNA, Eukaryotic translation initiation factor 1A, X-ch...
+Macromolecule #1: Eukaryotic translation initiation factor 3 subunit B
+Macromolecule #2: Eukaryotic translation initiation factor 3 subunit I
+Macromolecule #3: Eukaryotic translation initiation factor 3 subunit K
+Macromolecule #4: Eukaryotic translation initiation factor 3 subunit F
+Macromolecule #5: Eukaryotic translation initiation factor 3 subunit L
+Macromolecule #6: Eukaryotic translation initiation factor 3 subunit M
+Macromolecule #8: Eukaryotic translation initiation factor 3 subunit H
+Macromolecule #9: 60S ribosomal protein L41
+Macromolecule #11: 40S ribosomal protein S11
+Macromolecule #12: 40S ribosomal protein S4, X isoform
+Macromolecule #13: 40S ribosomal protein S9
+Macromolecule #14: 40S ribosomal protein S23
+Macromolecule #15: 40S ribosomal protein S30
+Macromolecule #16: 40S ribosomal protein S7
+Macromolecule #17: 40S ribosomal protein S27
+Macromolecule #18: 40S ribosomal protein S13
+Macromolecule #19: 40S ribosomal protein S15a
+Macromolecule #20: 40S ribosomal protein S21
+Macromolecule #21: 40S ribosomal protein S2
+Macromolecule #22: 40S ribosomal protein S17
+Macromolecule #23: 40S ribosomal protein SA
+Macromolecule #24: 40S ribosomal protein S3a
+Macromolecule #25: 40S ribosomal protein S14
+Macromolecule #26: 40S ribosomal protein S26
+Macromolecule #27: 40S ribosomal protein S8
+Macromolecule #28: 40S ribosomal protein S6
+Macromolecule #29: 40S ribosomal protein S24
+Macromolecule #30: 40S ribosomal protein S5
+Macromolecule #31: 40S ribosomal protein S16
+Macromolecule #32: 40S ribosomal protein S3
+Macromolecule #33: 40S ribosomal protein S10
+Macromolecule #34: 40S ribosomal protein S15
+Macromolecule #35: Receptor of activated protein C kinase 1
+Macromolecule #36: 40S ribosomal protein S19
+Macromolecule #37: 40S ribosomal protein S25
+Macromolecule #38: 40S ribosomal protein S18
+Macromolecule #39: 40S ribosomal protein S20
+Macromolecule #40: 40S ribosomal protein S29
+Macromolecule #41: Ubiquitin
+Macromolecule #42: 40S ribosomal protein S12
+Macromolecule #43: 40S ribosomal protein S28
+Macromolecule #44: Eukaryotic translation initiation factor 3 subunit G
+Macromolecule #45: Eukaryotic translation initiation factor 1A, X-chromosomal
+Macromolecule #46: Eukaryotic translation initiation factor 2 subunit 1
+Macromolecule #47: Eukaryotic translation initiation factor 2 subunit 3
+Macromolecule #48: Eukaryotic translation initiation factor 3 subunit A
+Macromolecule #49: Eukaryotic translation initiation factor 3 subunit E
+Macromolecule #51: Eukaryotic translation initiation factor 3 subunit D
+Macromolecule #52: Eukaryotic translation initiation factor 3 subunit C
+Macromolecule #53: Eukaryotic translation initiation factor 5
+Macromolecule #7: mRNA
+Macromolecule #10: 18S rRNA
+Macromolecule #50: Initiator Met-tRNA-i
+Macromolecule #54: MAGNESIUM ION
+Macromolecule #55: ZINC ION
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.5 Component:
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Vitrification | Cryogen name: ETHANE / Instrument: HOMEMADE PLUNGER / Details: Manual blotting & plunge-freezing. |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Details | Electron-optical aberrations were corrected using a CETCOR Cs-corrector (CEOS, Heidelberg) aligned with the CETCORPLUS 4.6.9 software package (CEOS, Heidelberg). |
Image recording | Film or detector model: FEI FALCON III (4k x 4k) / Average exposure time: 1.5 sec. / Average electron dose: 45.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: SPOT SCAN / Imaging mode: BRIGHT FIELD / Cs: 0.01 mm / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.2 µm / Nominal magnification: 59000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
Startup model | Type of model: OTHER Details: Low resolution cryo-EM map of vacant human 40S subunit. |
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Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 4.0) / Number images used: 61742 |
Initial angle assignment | Type: PROJECTION MATCHING / Software - Name: RELION (ver. 4.0) |
Final angle assignment | Type: PROJECTION MATCHING / Software - Name: RELION (ver. 4.0) |