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- EMDB-13233: Cryo-Em structure of the hexameric RUVBL1-RUVBL2 in complex with ... -

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Basic information

Entry
Database: EMDB / ID: EMD-13233
TitleCryo-Em structure of the hexameric RUVBL1-RUVBL2 in complex with ZNHIT2
Map dataRUVBL1-RUVBL2 AAA ring map
Sample
  • Complex: Hexameric RUVBL1-RUVBL2 AAA ring in complex with ZNHIT2
    • Protein or peptide: RuvB-like 1
    • Protein or peptide: RuvB-like 2
  • Ligand: ADENOSINE-5'-DIPHOSPHATE
KeywordsU5 assembly / protein complex assembly / R2TP / cochaperone / Spliceosome / SPLICING
Function / homology
Function and homology information


promoter-enhancer loop anchoring activity / telomerase RNA localization to Cajal body / regulation of DNA strand elongation / positive regulation of telomere maintenance in response to DNA damage / establishment of protein localization to chromatin / dynein axonemal particle / R2TP complex / RPAP3/R2TP/prefoldin-like complex / Swr1 complex / regulation of double-strand break repair ...promoter-enhancer loop anchoring activity / telomerase RNA localization to Cajal body / regulation of DNA strand elongation / positive regulation of telomere maintenance in response to DNA damage / establishment of protein localization to chromatin / dynein axonemal particle / R2TP complex / RPAP3/R2TP/prefoldin-like complex / Swr1 complex / regulation of double-strand break repair / Ino80 complex / protein folding chaperone complex / box C/D snoRNP assembly / regulation of chromosome organization / NuA4 histone acetyltransferase complex / regulation of DNA replication / TFIID-class transcription factor complex binding / regulation of embryonic development / MLL1 complex / Telomere Extension By Telomerase / RNA polymerase II core promoter sequence-specific DNA binding / positive regulation of double-strand break repair via homologous recombination / regulation of DNA repair / Deposition of new CENPA-containing nucleosomes at the centromere / TBP-class protein binding / telomere maintenance / DNA helicase activity / positive regulation of DNA repair / cellular response to estradiol stimulus / Formation of the beta-catenin:TCF transactivating complex / negative regulation of canonical Wnt signaling pathway / DNA Damage Recognition in GG-NER / euchromatin / beta-catenin binding / ADP binding / chromatin DNA binding / nuclear matrix / transcription corepressor activity / cellular response to UV / UCH proteinases / unfolded protein binding / positive regulation of canonical Wnt signaling pathway / nucleosome / protein folding / HATs acetylate histones / ATPase binding / regulation of apoptotic process / DNA helicase / spermatogenesis / DNA recombination / transcription coactivator activity / regulation of cell cycle / protein stabilization / Ub-specific processing proteases / cadherin binding / chromatin remodeling / ribonucleoprotein complex / RNA polymerase II cis-regulatory region sequence-specific DNA binding / cell division / DNA repair / centrosome / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / positive regulation of DNA-templated transcription / protein homodimerization activity / positive regulation of transcription by RNA polymerase II / ATP hydrolysis activity / extracellular exosome / nucleoplasm / ATP binding / identical protein binding / nucleus / membrane / cytosol / cytoplasm
Similarity search - Function
RuvB-like / RuvB-like, AAA-lid domain / RuvBL1/2, DNA/RNA binding domain / TIP49 P-loop domain / TIP49 AAA-lid domain / TIP49, P-loop domain / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
RuvB-like 2 / RuvB-like 1
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 4.1 Å
AuthorsLlorca O / Serna M
Funding support Spain, 3 items
OrganizationGrant numberCountry
Spanish Ministry of Science, Innovation, and UniversitiesSAF2017-82632-P Spain
Other governmentY2018/BIO4747 Spain
Other governmentP2018/NMT4443 Spain
CitationJournal: Nucleic Acids Res / Year: 2022
Title: CryoEM of RUVBL1-RUVBL2-ZNHIT2, a complex that interacts with pre-mRNA-processing-splicing factor 8.
Authors: Marina Serna / Ana González-Corpas / Sofía Cabezudo / Andrés López-Perrote / Gianluca Degliesposti / Eduardo Zarzuela / J Mark Skehel / Javier Muñoz / Oscar Llorca /
Abstract: Biogenesis of the U5 small nuclear ribonucleoprotein (snRNP) is an essential and highly regulated process. In particular, PRPF8, one of U5 snRNP main components, requires HSP90 working in concert ...Biogenesis of the U5 small nuclear ribonucleoprotein (snRNP) is an essential and highly regulated process. In particular, PRPF8, one of U5 snRNP main components, requires HSP90 working in concert with R2TP, a cochaperone complex containing RUVBL1 and RUVBL2 AAA-ATPases, and additional factors that are still poorly characterized. Here, we use biochemistry, interaction mapping, mass spectrometry and cryoEM to study the role of ZNHIT2 in the regulation of the R2TP chaperone during the biogenesis of PRPF8. ZNHIT2 forms a complex with R2TP which depends exclusively on the direct interaction of ZNHIT2 with the RUVBL1-RUVBL2 ATPases. The cryoEM analysis of this complex reveals that ZNHIT2 alters the conformation and nucleotide state of RUVBL1-RUVBL2, affecting its ATPase activity. We characterized the interactions between R2TP, PRPF8, ZNHIT2, ECD and AAR2 proteins. Interestingly, PRPF8 makes a direct interaction with R2TP and this complex can incorporate ZNHIT2 and other proteins involved in the biogenesis of PRPF8 such as ECD and AAR2. Together, these results show that ZNHIT2 participates in the assembly of the U5 snRNP as part of a network of contacts between assembly factors required for PRPF8 biogenesis and the R2TP-HSP90 chaperone, while concomitantly regulating the structure and nucleotide state of R2TP.
History
DepositionJul 18, 2021-
Header (metadata) releaseDec 15, 2021-
Map releaseDec 15, 2021-
UpdateJul 17, 2024-
Current statusJul 17, 2024Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.25
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.25
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7p6x
  • Surface level: 0.3
  • Imaged by UCSF Chimera
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  • Simplified surface model + fitted atomic model
  • Atomic modelsPDB-7p6x
  • Imaged by Jmol
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_13233.png

Downloads & links

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Map

FileDownload / File: emd_13233.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationRUVBL1-RUVBL2 AAA ring map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.07 Å/pix.
x 360 pix.
= 383.4 Å		1.07 Å/pix.
x 360 pix.
= 383.4 Å		1.07 Å/pix.
x 360 pix.
= 383.4 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.065 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.2 / Movie #1: 0.25
Minimum - Maximum-0.44306412 - 1.142094
Average (Standard dev.)0.0008139581 (±0.03409489)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 383.40002 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.0651.0651.065
M x/y/z360360360
origin x/y/z0.0000.0000.000
length x/y/z383.400383.400383.400
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS360360360
D min/max/mean-0.4431.1420.001

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Supplemental data

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Additional map: RUVBL1-RUVBL2 AAA ring sharpened map

Fileemd_13233_additional_1.map
AnnotationRUVBL1-RUVBL2 AAA ring sharpened map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
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Histogram

Histogram (log scale)

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Additional map: RUVBL1-RUVBL2-ZNHIT2 consensus map

Fileemd_13233_additional_2.map
AnnotationRUVBL1-RUVBL2-ZNHIT2 consensus map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: RUVBL-1RUVBL2-ZNHIT2 consensus half map 1

Fileemd_13233_additional_3.map
AnnotationRUVBL-1RUVBL2-ZNHIT2 consensus half map 1
Projections & Slices
AxesZYX

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Histogram

Histogram (log scale)

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Additional map: RUVBL-1RUVBL2-ZNHIT2 consensus half map 2

Fileemd_13233_additional_4.map
AnnotationRUVBL-1RUVBL2-ZNHIT2 consensus half map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: #1

Fileemd_13233_additional_5.map
Projections & Slices
AxesZYX

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Half map: RUVBL1-RUVBL2 AAA ring half map 1

Fileemd_13233_half_map_1.map
AnnotationRUVBL1-RUVBL2 AAA ring half map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: RUVBL1-RUVBL2 AAA ring half map 2

Fileemd_13233_half_map_2.map
AnnotationRUVBL1-RUVBL2 AAA ring half map 2
Projections & Slices
AxesZYX

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Sample components

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Entire : Hexameric RUVBL1-RUVBL2 AAA ring in complex with ZNHIT2

EntireName: Hexameric RUVBL1-RUVBL2 AAA ring in complex with ZNHIT2
Components
  • Complex: Hexameric RUVBL1-RUVBL2 AAA ring in complex with ZNHIT2
    • Protein or peptide: RuvB-like 1
    • Protein or peptide: RuvB-like 2
  • Ligand: ADENOSINE-5'-DIPHOSPHATE

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Supramolecule #1: Hexameric RUVBL1-RUVBL2 AAA ring in complex with ZNHIT2

SupramoleculeName: Hexameric RUVBL1-RUVBL2 AAA ring in complex with ZNHIT2
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: RuvB-like 1

MacromoleculeName: RuvB-like 1 / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO / EC number: DNA helicase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 50.296914 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MKIEEVKSTT KTQRIASHSH VKGLGLDESG LAKQAASGLV GQENAREACG VIVELIKSKK MAGRAVLLAG PPGTGKTALA LAIAQELGS KVPFCPMVGS EVYSTEIKKT EVLMENFRRA IGLRIKETKE VYEGEVTELT PCETENPMGG YGKTISHVII G LKTAKGTK ...String:
MKIEEVKSTT KTQRIASHSH VKGLGLDESG LAKQAASGLV GQENAREACG VIVELIKSKK MAGRAVLLAG PPGTGKTALA LAIAQELGS KVPFCPMVGS EVYSTEIKKT EVLMENFRRA IGLRIKETKE VYEGEVTELT PCETENPMGG YGKTISHVII G LKTAKGTK QLKLDPSIFE SLQKERVEAG DVIYIEANSG AVKRQGRCDT YATEFDLEAE EYVPLPKGDV HKKKEIIQDV TL HDLDVAN ARPQGGQDIL SMMGQLMKPK KTEITDKLRG EINKVVNKYI DQGIAELVPG VLFVDEVHML DIECFTYLHR ALE SSIAPI VIFASNRGNC VIRGTEDITS PHGIPLDLLD RVMIIRTMLY TPQEMKQIIK IRAQTEGINI SEEALNHLGE IGTK TTLRY SVQLLTPANL LAKINGKDSI EKEHVEEISE LFYDAKSSAK ILADQQDKYM K

UniProtKB: RuvB-like 1

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Macromolecule #2: RuvB-like 2

MacromoleculeName: RuvB-like 2 / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO / EC number: DNA helicase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 51.222465 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MATVTATTKV PEIRDVTRIE RIGAHSHIRG LGLDDALEPR QASQGMVGQL AARRAAGVVL EMIREGKIAG RAVLIAGQPG TGKTAIAMG MAQALGPDTP FTAIAGSEIF SLEMSKTEAL TQAFRRSIGV RIKEETEIIE GEVVEIQIDR PATGTGSKVG K LTLKTTEM ...String:
MATVTATTKV PEIRDVTRIE RIGAHSHIRG LGLDDALEPR QASQGMVGQL AARRAAGVVL EMIREGKIAG RAVLIAGQPG TGKTAIAMG MAQALGPDTP FTAIAGSEIF SLEMSKTEAL TQAFRRSIGV RIKEETEIIE GEVVEIQIDR PATGTGSKVG K LTLKTTEM ETIYDLGTKM IESLTKDKVQ AGDVITIDKA TGKISKLGRS FTRARDYDAM GSQTKFVQCP DGELQKRKEV VH TVSLHEI DVINSRTQGF LALFSGDTGE IKSEVREQIN AKVAEWREEG KAEIIPGVLF IDEVHMLDIE SFSFLNRALE SDM APVLIM ATNRGITRIR GTSYQSPHGI PIDLLDRLLI VSTTPYSEKD TKQILRIRCE EEDVEMSEDA YTVLTRIGLE TSLR YAIQL ITAASLVCRK RKGTEVQVDD IKRVYSLFLD ESRSTQYMKE YQDAFLFNEL KGETMDTS

UniProtKB: RuvB-like 2

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Macromolecule #3: ADENOSINE-5'-DIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-DIPHOSPHATE / type: ligand / ID: 3 / Number of copies: 3 / Formula: ADP
Molecular weightTheoretical: 427.201 Da
Chemical component information

ChemComp-ADP:
ADENOSINE-5'-DIPHOSPHATE / ADP, energy-carrying molecule*YM

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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: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 40.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE / Details: Ab initio (Cryosparc)
Final reconstructionResolution.type: BY AUTHOR / Resolution: 4.1 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 173905
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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