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Yorodumi- PDB-5wyj: Cryo-EM structure of the 90S small subunit pre-ribosome (Dhr1-dep... -
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Basic information
| Entry | Database: PDB / ID: 5wyj | ||||||||||||||||||||||||||||||||||||
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| Title | Cryo-EM structure of the 90S small subunit pre-ribosome (Dhr1-depleted, Enp1-TAP, state 1) | ||||||||||||||||||||||||||||||||||||
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Keywords | RIBOSOME / 90S / pre-ribosome / protein-RNA complex | ||||||||||||||||||||||||||||||||||||
| Function / homology | Function and homology informationregulation of ribosomal protein gene transcription by RNA polymerase II / 90S preribosome assembly / box H/ACA snoRNA binding / RNA fragment catabolic process / rRNA small subunit pseudouridine methyltransferase Nep1 / CURI complex / UTP-C complex / endonucleolytic cleavage in ITS1 upstream of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / t-UTP complex / nuclear microtubule ...regulation of ribosomal protein gene transcription by RNA polymerase II / 90S preribosome assembly / box H/ACA snoRNA binding / RNA fragment catabolic process / rRNA small subunit pseudouridine methyltransferase Nep1 / CURI complex / UTP-C complex / endonucleolytic cleavage in ITS1 upstream of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / t-UTP complex / nuclear microtubule / Pwp2p-containing subcomplex of 90S preribosome / box C/D sno(s)RNA binding / Mpp10 complex / rRNA modification / rRNA (pseudouridine) methyltransferase activity / snoRNA guided rRNA 2'-O-methylation / septum digestion after cytokinesis / histone H2AQ104 methyltransferase activity / snRNA binding / rRNA 2'-O-methylation / box C/D sno(s)RNA 3'-end processing / regulation of rRNA processing / rRNA methyltransferase activity / endonucleolytic cleavage in 5'-ETS of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, LSU-rRNA,5S) / endonucleolytic cleavage of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / regulation of transcription by RNA polymerase I / endonucleolytic cleavage to generate mature 5'-end of SSU-rRNA from (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / RNA folding chaperone / rDNA heterochromatin / SUMOylation of RNA binding proteins / box C/D methylation guide snoRNP complex / tRNA export from nucleus / single-stranded telomeric DNA binding / : / translational readthrough / rRNA primary transcript binding / sno(s)RNA-containing ribonucleoprotein complex / O-methyltransferase activity / rRNA base methylation / protein localization to nucleolus / rRNA methylation / mTORC1-mediated signalling / U4 snRNA binding / Protein hydroxylation / U3 snoRNA binding / Formation of the ternary complex, and subsequently, the 43S complex / poly(U) RNA binding / Translation initiation complex formation / positive regulation of nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / Ribosomal scanning and start codon recognition / poly(A)+ mRNA export from nucleus / precatalytic spliceosome / snoRNA binding / preribosome, small subunit precursor / establishment of cell polarity / 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 / positive regulation of transcription by RNA polymerase I / Formation of a pool of free 40S subunits / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / spliceosomal complex assembly / L13a-mediated translational silencing of Ceruloplasmin expression / Ub-specific processing proteases / nucleolar large rRNA transcription by RNA polymerase I / 90S preribosome / ribosomal subunit export from nucleus / U4/U6 x U5 tri-snRNP complex / proteasome assembly / 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) / RNA endonuclease activity / ribosomal small subunit export from nucleus / nuclear periphery / Transferases; Transferring one-carbon groups; Methyltransferases / ribosome assembly / maturation of SSU-rRNA / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / small-subunit processome / translational initiation / mRNA splicing, via spliceosome / maintenance of translational fidelity / modification-dependent protein catabolic process / enzyme activator activity / cytoplasmic stress granule / protein tag activity / rRNA processing / : / ribosomal small subunit assembly / ribosome biogenesis / ribosomal small subunit biogenesis / 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 / rRNA binding / protein ubiquitination / structural constituent of ribosome Similarity search - Function | ||||||||||||||||||||||||||||||||||||
| Biological species | ![]() | ||||||||||||||||||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 8.7 Å | ||||||||||||||||||||||||||||||||||||
Authors | Ye, K. / Zhu, X. / Sun, Q. | ||||||||||||||||||||||||||||||||||||
Citation | Journal: Elife / Year: 2017Title: Molecular architecture of the 90S small subunit pre-ribosome. Authors: Qi Sun / Xing Zhu / Jia Qi / Weidong An / Pengfei Lan / Dan Tan / Rongchang Chen / Bing Wang / Sanduo Zheng / Cheng Zhang / Xining Chen / Wei Zhang / Jing Chen / Meng-Qiu Dong / Keqiong Ye / ![]() Abstract: Eukaryotic small ribosomal subunits are first assembled into 90S pre-ribosomes. The complete 90S is a gigantic complex with a molecular mass of approximately five megadaltons. Here, we report the ...Eukaryotic small ribosomal subunits are first assembled into 90S pre-ribosomes. The complete 90S is a gigantic complex with a molecular mass of approximately five megadaltons. Here, we report the nearly complete architecture of 90S determined from three cryo-electron microscopy single particle reconstructions at 4.5 to 8.7 angstrom resolution. The majority of the density maps were modeled and assigned to specific RNA and protein components. The nascent ribosome is assembled into isolated native-like substructures that are stabilized by abundant assembly factors. The 5' external transcribed spacer and U3 snoRNA nucleate a large subcomplex that scaffolds the nascent ribosome. U3 binds four sites of pre-rRNA, including a novel site on helix 27 but not the 3' side of the central pseudoknot, and crucially organizes the 90S structure. The 90S model provides significant insight into the principle of small subunit assembly and the function of assembly factors. | ||||||||||||||||||||||||||||||||||||
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Structure visualization
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| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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| PDBx/mmCIF format | 5wyj.cif.gz | 3.9 MB | Display | PDBx/mmCIF format |
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| PDB format | pdb5wyj.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 5wyj.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/wy/5wyj ftp://data.pdbj.org/pub/pdb/validation_reports/wy/5wyj | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 6695MC ![]() 6696C ![]() 6697C ![]() 5wwnC ![]() 5wwoC ![]() 5wxlC ![]() 5wxmC ![]() 5wy3C ![]() 5wykC ![]() 5wylC M: map data used to model this data C: citing same article ( |
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| Similar structure data |
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Assembly
| Deposited unit | ![]()
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Components
-RNA chain , 3 types, 3 molecules 3A5ASA
| #1: RNA chain | Mass: 106503.258 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c |
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| #7: RNA chain | Mass: 225543.094 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: GenBank: 1262303 |
| #34: RNA chain | Mass: 583636.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: GenBank: 874346701 |
+Protein , 24 types, 27 molecules 3B3C3G3HAAABACADAFAGBAE1E2E3E4K1MCP1R1R2S1SgU1U2U3U4UC
-Nucleolar protein ... , 2 types, 2 molecules 3D3E
| #3: Protein | Mass: 56961.152 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: Q12460 |
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| #4: Protein | Mass: 57060.344 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: Q12499 |
-Ribosomal RNA-processing protein ... , 2 types, 2 molecules 3FCA
| #5: Protein | Mass: 65146.969 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: Q06506 |
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| #21: Protein | Mass: 34526.441 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P25368 |
-U3 small nucleolar RNA-associated protein ... , 6 types, 6 molecules AEBBBCBDBECB
| #12: Protein | Mass: 173592.375 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P42945 |
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| #17: Protein | Mass: 106481.133 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: Q12220 |
| #18: Protein | Mass: 91132.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: Q05946 |
| #19: Protein | Mass: 66494.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P40362 |
| #20: Protein | Mass: 104927.844 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: Q06078 |
| #22: Protein | Mass: 140660.141 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P53254 |
-Ribosome biogenesis protein ... , 2 types, 2 molecules B1U5
| #15: Protein | Mass: 135792.281 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: Q08965 |
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| #58: Protein | Mass: 31668.939 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P36144 |
-U3 small nucleolar ribonucleoprotein protein ... , 2 types, 2 molecules MAMB
| #27: Protein | Mass: 21928.529 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P32899 |
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| #28: Protein | Mass: 33536.168 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P53941 |
-40S ribosomal protein ... , 18 types, 18 molecules SCSFSGSHSISJSKSMSNSOSPSRSXSYSZScSdSf
| #35: Protein | Mass: 28798.467 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P33442 |
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| #36: Protein | Mass: 29469.330 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P0CX35 |
| #37: Protein | Mass: 25072.600 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P26783 |
| #38: Protein | Mass: 27054.486 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P0CX37 |
| #39: Protein | Mass: 21658.209 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P26786 |
| #40: Protein | Mass: 22537.803 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P0CX39 |
| #41: Protein | Mass: 22487.893 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: O13516 |
| #42: Protein | Mass: 17785.934 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P0CX47 |
| #43: Protein | Mass: 15488.631 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P48589 |
| #44: Protein | Mass: 17059.945 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P05756 |
| #45: Protein | Mass: 14562.655 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P06367 |
| #46: Protein | Mass: 15877.490 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P0CX51 |
| #47: Protein | Mass: 14650.062 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P0C0W1 |
| #48: Protein | Mass: 16073.896 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P0CX29 |
| #49: Protein | Mass: 15362.848 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P0CX31 |
| #50: Protein | Mass: 8893.391 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P35997 |
| #51: Protein | Mass: 7605.847 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: Q3E7X9 |
| #52: Protein | Mass: 7137.541 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c / References: UniProt: P0CX33 |
-Helical domain ... , 2 types, 2 molecules UAUB
| #59: Protein | Mass: 137462.422 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c |
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| #60: Protein | Mass: 84015.695 Da / Num. of mol.: 1 / Source method: isolated from a natural source Source: (natural) ![]() Strain: ATCC 204508 / S288c |
-Details
| Has protein modification | Y |
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| Sequence details | (1) For chains AA, AB, AC, AD, AF, AG, E4, S1, U1, U2 and U3, The authors know the sequences, but ...(1) For chains AA, AB, AC, AD, AF, AG, E4, S1, U1, U2 and U3, The authors know the sequences, but they was unable to assign the sequences to the coordinates. The correct sequences are as follows. chain AA (UNP Q06679 1-776) MSSSLLSVLK |
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