+ Open data
Open data
- Basic information
Basic information
| Entry |  | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Title | SSU processome maturation and disassembly, State O | |||||||||
|  Map data | ||||||||||
|  Sample | 
 | |||||||||
|  Keywords | SSU processome / ribosome assembly / RNA folding / RNA-protein interactions / RIBOSOME | |||||||||
| Function / homology |  Function and homology information 18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase / 18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase activity / rRNA small subunit pseudouridine methyltransferase Nep1 / Noc4p-Nop14p complex / nuclear microtubule / Mpp10 complex / rRNA (pseudouridine) methyltransferase activity / rRNA modification / regulation of rRNA processing / rRNA (adenine-N6,N6-)-dimethyltransferase activity ...18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase / 18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase activity / rRNA small subunit pseudouridine methyltransferase Nep1 / Noc4p-Nop14p complex / nuclear microtubule / Mpp10 complex / rRNA (pseudouridine) methyltransferase activity / rRNA modification / regulation of rRNA processing / rRNA (adenine-N6,N6-)-dimethyltransferase activity / RNA folding chaperone / endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / endonucleolytic cleavage of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / single-stranded telomeric DNA binding / rRNA primary transcript binding / sno(s)RNA-containing ribonucleoprotein complex / Negative regulators of DDX58/IFIH1 signaling / rRNA base methylation / mTORC1-mediated signalling / rRNA methylation / Protein hydroxylation / U3 snoRNA binding / positive regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / poly(A)+ mRNA export from nucleus / Formation of the ternary complex, and subsequently, the 43S complex / Translation initiation complex formation / Ribosomal scanning and start codon recognition / snoRNA binding / preribosome, small subunit precursor / Major pathway of rRNA processing in the nucleolus and cytosol / SRP-dependent cotranslational protein targeting to membrane / GTP hydrolysis and joining of the 60S ribosomal subunit / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Formation of a pool of free 40S subunits / L13a-mediated translational silencing of Ceruloplasmin expression / 90S preribosome / Ub-specific processing proteases / proteasome assembly / ribosomal subunit export from nucleus / regulation of translational fidelity / 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) / ribosomal small subunit export from nucleus / RNA endonuclease activity / nuclear periphery / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / ribosome assembly / maturation of SSU-rRNA / small-subunit processome / translational initiation / enzyme activator activity / helicase activity / maintenance of translational fidelity / rRNA processing / unfolded protein binding / ribosome biogenesis / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / small ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / cytoplasmic translation / RNA helicase activity / rRNA binding / structural constituent of ribosome / RNA helicase / ribosome / translation / GTPase activity / mRNA binding / GTP binding / nucleolus / ATP hydrolysis activity / mitochondrion / RNA binding / zinc ion binding / nucleoplasm / ATP binding / identical protein binding / nucleus / cytoplasm / cytosol Similarity search - Function | |||||||||
| Biological species |   Saccharomyces cerevisiae (brewer's yeast) /   Saccharomyces cerevisiae S288C (yeast) | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.25 Å | |||||||||
|  Authors | Buzovetsky O / Klinge S | |||||||||
| Funding support |  United States, 2 items 
 | |||||||||
|  Citation |  Journal: To Be Published Title: Mechanism of helicase-mediated SSU processome maturation and disassembly Authors: Buzovetsky O / Klinge S | |||||||||
| History | 
 | 
- Structure visualization
Structure visualization
| Supplemental images | 
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- Downloads & links
Downloads & links
-EMDB archive
| Map data |  emd_49091.map.gz | 239.6 MB |  EMDB map data format | |
|---|---|---|---|---|
| Header (meta data) |  emd-49091-v30.xml  emd-49091.xml | 57.4 KB 57.4 KB | Display Display |  EMDB header | 
| Images |  emd_49091.png | 137.5 KB | ||
| Filedesc metadata |  emd-49091.cif.gz | 15.4 KB | ||
| Archive directory |  http://ftp.pdbj.org/pub/emdb/structures/EMD-49091  ftp://ftp.pdbj.org/pub/emdb/structures/EMD-49091 | HTTPS FTP | 
-Validation report
| Summary document |  emd_49091_validation.pdf.gz | 571.7 KB | Display |  EMDB validaton report | 
|---|---|---|---|---|
| Full document |  emd_49091_full_validation.pdf.gz | 571.2 KB | Display | |
| Data in XML |  emd_49091_validation.xml.gz | 7.9 KB | Display | |
| Data in CIF |  emd_49091_validation.cif.gz | 9.3 KB | Display | |
| Arichive directory |  https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-49091  ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-49091 | HTTPS FTP | 
-Related structure data
| Related structure data |  9n7bMC  9n73C  9n74C  49034  49035  49036  49037  49058 M: atomic model generated by this map C: citing same article ( | 
|---|---|
| Similar structure data | Similarity search - Function & homology  F&H Search | 
- Links
Links
| EMDB pages |  EMDB (EBI/PDBe) /  EMDataResource | 
|---|---|
| Related items in Molecule of the Month | 
- Map
Map
| File |  Download / File: emd_49091.map.gz / Format: CCP4 / Size: 488.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Projections & slices | Image control
 
 Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 1.063 Å | ||||||||||||||||||||||||||||||||||||
| Density | 
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML: 
 | 
-Supplemental data
- Sample components
Sample components
+Entire : SSU processome maturation and disassembly, State O
+Supramolecule #1: SSU processome maturation and disassembly, State O
+Macromolecule #1: 18S rRNA
+Macromolecule #2: U3 snoRNA
+Macromolecule #15: U3snoRNA segment
+Macromolecule #3: 40S ribosomal protein S18-A
+Macromolecule #4: 40S ribosomal protein S4-A
+Macromolecule #5: 40S ribosomal protein S5
+Macromolecule #6: 40S ribosomal protein S6-A
+Macromolecule #7: 40S ribosomal protein S7-A
+Macromolecule #8: 40S ribosomal protein S8-A
+Macromolecule #9: 40S ribosomal protein S9-A
+Macromolecule #10: 40S ribosomal protein S16-A
+Macromolecule #11: 40S ribosomal protein S11-A
+Macromolecule #12: 40S ribosomal protein S22-A
+Macromolecule #13: 40S ribosomal protein S24-A
+Macromolecule #14: 40S ribosomal protein S28-A
+Macromolecule #16: U3 small nucleolar RNA-associated protein MPP10
+Macromolecule #17: Something about silencing protein 10
+Macromolecule #18: 40S ribosomal protein S13
+Macromolecule #19: 40S ribosomal protein S14-A
+Macromolecule #20: Dimethyladenosine transferase
+Macromolecule #21: Small ribosomal subunit protein eS1A
+Macromolecule #22: 40S ribosomal protein S19-A
+Macromolecule #23: 40S ribosomal protein S27-A
+Macromolecule #24: Probable ATP-dependent RNA helicase DHR1
+Macromolecule #25: 40S ribosomal protein S25-A
+Macromolecule #26: RNA 3'-terminal phosphate cyclase-like protein
+Macromolecule #27: Ribosome biogenesis protein BMS1
+Macromolecule #28: Ribosomal RNA small subunit methyltransferase NEP1
+Macromolecule #29: rRNA-processing protein FCF1
+Macromolecule #30: U3 small nucleolar ribonucleoprotein protein IMP4
+Macromolecule #31: 40S ribosomal protein S23-A
+Macromolecule #32: U3 small nucleolar RNA-associated protein 14
+Macromolecule #33: Nucleolar complex protein 14
+Macromolecule #34: Nucleolar complex protein 4
+Macromolecule #35: Pre-rRNA-processing protein PNO1
+Macromolecule #36: Essential nuclear protein 1
+Macromolecule #37: MAGNESIUM ION
+Macromolecule #38: ZINC ION
+Macromolecule #39: GUANOSINE-5'-TRIPHOSPHATE
-Experimental details
-Structure determination
| Method | cryo EM | 
|---|---|
|  Processing | single particle reconstruction | 
| Aggregation state | particle | 
- Sample preparation
Sample preparation
| Buffer | pH: 7.5 Component: 
 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vitrification | Cryogen name: ETHANE | 
- Electron microscopy
Electron microscopy
| Microscope | TFS KRIOS | 
|---|---|
| Image recording | Film or detector model: GATAN K3 (6k x 4k) / Average electron dose: 61.6 e/Å2 | 
| Electron beam | Acceleration voltage: 300 kV / Electron source:  FIELD EMISSION GUN | 
| Electron optics | Illumination mode: OTHER / Imaging mode: BRIGHT FIELD / Nominal defocus max: 25.0 µm / Nominal defocus min: 1.0 µm | 
| Experimental equipment |  Model: Titan Krios / Image courtesy: FEI Company | 
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