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- EMDB-24422: Ytm1 associated nascent 60S in fkbp39 deletion cells class 2 -

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Basic information

Entry
Database: EMDB / ID: EMD-24422
TitleYtm1 associated nascent 60S in fkbp39 deletion cells class 2
Map dataYtm1 associated nascent 60S in fkbp39 deletion cells class 2
Sample
  • Complex: nascent 60S
Function / homology
Function and homology information


Antigen processing: Ubiquitination & Proteasome degradation / Noc1p-Noc2p complex / L13a-mediated translational silencing of Ceruloplasmin expression / Formation of a pool of free 40S subunits / GTP hydrolysis and joining of the 60S ribosomal subunit / SRP-dependent cotranslational protein targeting to membrane / Major pathway of rRNA processing in the nucleolus and cytosol / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Noc2p-Noc3p complex ...Antigen processing: Ubiquitination & Proteasome degradation / Noc1p-Noc2p complex / L13a-mediated translational silencing of Ceruloplasmin expression / Formation of a pool of free 40S subunits / GTP hydrolysis and joining of the 60S ribosomal subunit / SRP-dependent cotranslational protein targeting to membrane / Major pathway of rRNA processing in the nucleolus and cytosol / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Noc2p-Noc3p complex / rRNA (guanosine-2'-O-)-methyltransferase activity / rRNA (uridine-2'-O-)-methyltransferase activity / rRNA (guanine) methyltransferase activity / rRNA (cytosine-C5-)-methyltransferase activity / PeBoW complex / RNA methylation / rRNA base methylation / maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / rRNA methylation / nuclear-transcribed mRNA catabolic process / maturation of 5.8S rRNA / cell division site / ribosomal subunit export from nucleus / ribosomal large subunit binding / protein-RNA complex assembly / 90S preribosome / preribosome, large subunit precursor / DNA replication initiation / ribonucleoprotein complex binding / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of SSU-rRNA / ribosomal large subunit biogenesis / maturation of LSU-rRNA / translation initiation factor activity / ribosome assembly / nuclear periphery / Transferases; Transferring one-carbon groups; Methyltransferases / assembly of large subunit precursor of preribosome / cytosolic ribosome assembly / mitotic spindle / rRNA processing / protein transport / ribosome biogenesis / large ribosomal subunit rRNA binding / cytoplasmic translation / cytosolic large ribosomal subunit / negative regulation of translation / RNA helicase activity / rRNA binding / ribosome / structural constituent of ribosome / RNA helicase / translation / mRNA binding / GTPase activity / chromatin binding / chromatin / nucleolus / GTP binding / ATP hydrolysis activity / RNA binding / zinc ion binding / nucleoplasm / ATP binding / nucleus / cytosol / cytoplasm
Similarity search - Function
Nucleolar complex protein 2 / Noc2p family / Nucleolar complex-associated protein 3, N-terminal / Nucleolar complex-associated protein 3 / Nucleolar complex-associated protein / WD repeat WDR12/Ytm1 / Ribosome biogenesis factor, NIP7 / RNA (C5-cytosine) methyltransferase, NOP2 / UPF0113, pre-PUA domain / UPF0113 Pre-PUA domain ...Nucleolar complex protein 2 / Noc2p family / Nucleolar complex-associated protein 3, N-terminal / Nucleolar complex-associated protein 3 / Nucleolar complex-associated protein / WD repeat WDR12/Ytm1 / Ribosome biogenesis factor, NIP7 / RNA (C5-cytosine) methyltransferase, NOP2 / UPF0113, pre-PUA domain / UPF0113 Pre-PUA domain / UPF0113, PUA domain / UPF0113 PUA domain / Ribosomal RNA small subunit methyltransferase F, N-terminal / N-terminal domain of 16S rRNA methyltransferase RsmF / Nop2p / Bacterial Fmu (Sun)/eukaryotic nucleolar NOL1/Nop2p, conserved site / NOL1/NOP2/sun family signature. / Ribosomal RNA methyltransferase, SPB1-like, C-terminal / Ribosomal RNA methyltransferase Spb1, domain of unknown function DUF3381 / AdoMet-dependent rRNA methyltransferase SPB1-like / Spb1 C-terminal domain / Ribosomal RNA methyltransferase Spb1, DUF3381 / Eukaryotic rRNA processing / Eukaryotic rRNA processing protein EBP2 / Ribosomal RNA large subunit methyltransferase E / Ribosome biogenesis protein BRX1 / CCAAT-binding factor / DDX18/Has1, DEAD-box helicase domain / CBF/Mak21 family / Ribosome biogenesis protein Nop16 / Ribosome biogenesis protein Nop16 / Domain of unknown function DUF4217 / Domain of unknown function (DUF4217) / DUF4217 / Domain of unknown function DUF2423 / Protein of unknown function (DUF2423) / BOP1, N-terminal domain / WD repeat BOP1/Erb1 / BOP1NT (NUC169) domain / BOP1NT (NUC169) domain / NLE / NLE (NUC135) domain / SAM-dependent methyltransferase RsmB/NOP2-type / RNA (C5-cytosine) methyltransferase / 16S rRNA methyltransferase RsmB/F / SAM-dependent MTase RsmB/NOP-type domain profile. / Putative RNA-binding Domain in PseudoUridine synthase and Archaeosine transglycosylase / PUA domain / PUA domain profile. / PUA domain superfamily / Guanine nucleotide-binding protein-like 3, N-terminal domain / GNL3L/Grn1 putative GTPase / Pescadillo / Pescadillo N-terminus / GTP-binding protein, orthogonal bundle domain superfamily / Ribosomal biogenesis NSA2 family / Ribosome assembly factor Mrt4 / NOG, C-terminal / Nucleolar GTP-binding protein 1 / NOGCT (NUC087) domain / Nucleolar GTP-binding protein 1, Rossman-fold domain / NOG1, N-terminal helical domain / Nucleolar GTP-binding protein 1 (NOG1) / NOG1 N-terminal helical domain / Brix domain / Brix domain / Brix domain profile. / Brix / Circularly permuted (CP)-type guanine nucleotide-binding (G) domain / Circularly permuted (CP)-type guanine nucleotide-binding (G) domain profile. / OBG-type guanine nucleotide-binding (G) domain / OBG-type guanine nucleotide-binding (G) domain profile. / Translation initiation factor IF6 / eIF-6 family / translation initiation factor 6 / 50S ribosome-binding GTPase / DEAD-box subfamily ATP-dependent helicases signature. / ATP-dependent RNA helicase DEAD-box, conserved site / RNA helicase, DEAD-box type, Q motif / DEAD-box RNA helicase Q motif profile. / GTP binding domain / PUA-like superfamily / 50S ribosomal protein L10, insertion domain superfamily / 60S ribosomal protein L10P, insertion domain / Insertion domain in 60S ribosomal protein L10P / metallochaperone-like domain / TRASH domain / Ribosomal protein L27e, conserved site / : / Ribosomal protein L24e, conserved site / Ribosomal protein L34e, conserved site / Eukaryotic Ribosomal Protein L27, KOW domain / Ribosomal protein L38e / Ribosomal protein L38e superfamily / Ribosomal protein L27e / Ribosomal protein L27e superfamily / breast cancer carboxy-terminal domain / Ribosomal protein L22e / Ribosomal protein L22e superfamily / Ribosomal protein L23/L25, N-terminal
Similarity search - Domain/homology
Large ribosomal subunit protein eL8 / Probable rRNA-processing protein ebp2 / Large ribosomal subunit protein uL22A / Large ribosomal subunit protein eL27A / AdoMet-dependent rRNA methyltransferase spb1 / Large ribosomal subunit protein eL34A / Large ribosomal subunit protein uL13B / Pescadillo homolog / Large ribosomal subunit protein eL13 / Ribosome biogenesis protein erb1 ...Large ribosomal subunit protein eL8 / Probable rRNA-processing protein ebp2 / Large ribosomal subunit protein uL22A / Large ribosomal subunit protein eL27A / AdoMet-dependent rRNA methyltransferase spb1 / Large ribosomal subunit protein eL34A / Large ribosomal subunit protein uL13B / Pescadillo homolog / Large ribosomal subunit protein eL13 / Ribosome biogenesis protein erb1 / GTPase grn1 / Large ribosomal subunit protein eL15A / Large ribosomal subunit protein uL29 / Uncharacterized RNA-binding protein C1827.05c / Large ribosomal subunit protein eL14 / 25S rRNA (cytosine-C(5))-methyltransferase nop2 / Nucleolar complex-associated protein 3 / Eukaryotic translation initiation factor 6 / Large ribosomal subunit protein eL36B / Probable nucleolar GTP-binding protein 1 / Large ribosomal subunit protein eL37B / Large ribosomal subunit protein eL19A / Large ribosomal subunit protein eL39 / Large ribosomal subunit protein uL14A / Large ribosomal subunit protein eL20A / Large ribosomal subunit protein uL30A / Large ribosomal subunit protein uL30B / Large ribosomal subunit protein uL15A / Large ribosomal subunit protein uL3A / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein eL32A / Large ribosomal subunit protein eL6 / Large ribosomal subunit protein eL22 / ATP-dependent RNA helicase has1 / Large ribosomal subunit protein eL18A / Large ribosomal subunit protein uL6A / Large ribosomal subunit protein uL23A / Ribosome biogenesis protein rlp24 / 60S ribosome subunit biogenesis protein nip7 / UPF0642 protein C32H8.05 / Ribosome biogenesis protein brx1 / Large ribosomal subunit protein uL4B / Uncharacterized NOC2 family protein C1142.04 / Large ribosomal subunit protein eL31 / Ribosome biogenesis protein ytm1 / Large ribosomal subunit protein eL33B / Large ribosomal subunit protein eL38A / Ribosome assembly factor mrt4 / Putative ribosome biogenesis protein C8F11.04 / Large ribosomal subunit protein eL30B / Ribosome biogenesis protein nsa2 / Large ribosomal subunit protein eL21A / Nucleolar protein 16
Similarity search - Component
Biological speciesSchizosaccharomyces pombe (fission yeast)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsBilokapic S / Halic M
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM141694 United States
CitationJournal: Mol Cell / Year: 2022
Title: Chromatin localization of nucleophosmin organizes ribosome biogenesis.
Authors: Ilaria Ugolini / Silvija Bilokapic / Mylene Ferrolino / Josiah Teague / Yinxia Yan / Xuelin Zhou / Ashish Deshmukh / Michael White / Richard W Kriwacki / Mario Halic /
Abstract: Ribosome biogenesis takes place in the nucleolus, a nuclear membrane-less organelle. Although well studied, it remains unknown how nascent ribosomal subunits separate from the central chromatin ...Ribosome biogenesis takes place in the nucleolus, a nuclear membrane-less organelle. Although well studied, it remains unknown how nascent ribosomal subunits separate from the central chromatin compartment and move to the outer granular component, where maturation occurs. We find that the Schizosaccharomyces pombe nucleophosmin-like protein Fkbp39 localizes to rDNA sites encoding the 60S subunit rRNA, and this localization contributes to its specific association with nascent 60S subunits. Fkbp39 dissociates from chromatin to bind nascent 60S subunits, causing the latter to partition away from chromatin and from nascent 40S subunits through liquid-liquid phase separation. In vivo, Fkbp39 binding directs the translocation of nascent 60S subunits toward the nucleophosmin-rich granular component. This process increases the efficiency of 60S subunit assembly, facilitating the incorporation of 60S RNA domain III. Thus, chromatin localization determines the specificity of nucleophosmin in sorting nascent ribosomal subunits and coordinates their movement into specialized assembly compartments within the nucleolus.
History
DepositionJul 9, 2021-
Header (metadata) releaseNov 23, 2022-
Map releaseNov 23, 2022-
UpdateMar 29, 2023-
Current statusMar 29, 2023Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_24422.png

Downloads & links

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Map

FileDownload / File: emd_24422.map.gz / Format: CCP4 / Size: 512 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationYtm1 associated nascent 60S in fkbp39 deletion cells class 2
Voxel sizeX=Y=Z: 1.06 Å
Density
Contour LevelBy AUTHOR: 0.05
Minimum - Maximum-0.21533726 - 0.5679696
Average (Standard dev.)0.0008121722 (±0.009404802)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions512512512
Spacing512512512
CellA=B=C: 542.72 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : nascent 60S

EntireName: nascent 60S
Components
  • Complex: nascent 60S

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Supramolecule #1: nascent 60S

SupramoleculeName: nascent 60S / type: complex / ID: 1 / Parent: 0
Source (natural)Organism: Schizosaccharomyces pombe (fission yeast)

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.2
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 80.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Initial angle assignmentType: PROJECTION MATCHING
Final angle assignmentType: PROJECTION MATCHING
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 109000

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