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- PDB-6fo1: Human R2TP subcomplex containing 1 RUVBL1-RUVBL2 hexamer bound to... -

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Basic information

Entry
Database: PDB / ID: 6fo1
TitleHuman R2TP subcomplex containing 1 RUVBL1-RUVBL2 hexamer bound to 1 RBD domain from RPAP3.
Components
  • RNA polymerase II-associated protein 3
  • RuvB-like 1
  • RuvB-like 2
KeywordsCHAPERONE / R2TP / HSP90 co-chaperone / PIH1D1 / RPAP3 / RUVBL1-RUVBL2
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 / R2TP complex / dynein axonemal particle / RPAP3/R2TP/prefoldin-like complex / Swr1 complex / Ino80 complex ...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 / R2TP complex / dynein axonemal particle / RPAP3/R2TP/prefoldin-like complex / Swr1 complex / Ino80 complex / regulation of double-strand break repair / box C/D snoRNP assembly / protein folding chaperone complex / regulation of chromosome organization / NuA4 histone acetyltransferase complex / TFIID-class transcription factor complex binding / regulation of DNA replication / MLL1 complex / regulation of embryonic development / Telomere Extension By Telomerase / RNA polymerase II core promoter sequence-specific DNA binding / regulation of DNA repair / positive regulation of double-strand break repair via homologous recombination / Deposition of new CENPA-containing nucleosomes at the centromere / telomere maintenance / DNA helicase activity / TBP-class protein binding / positive regulation of DNA repair / cellular response to estradiol stimulus / euchromatin / negative regulation of canonical Wnt signaling pathway / Formation of the beta-catenin:TCF transactivating complex / ADP binding / beta-catenin binding / DNA Damage Recognition in GG-NER / chromatin DNA binding / nuclear matrix / cellular response to UV / UCH proteinases / transcription corepressor activity / unfolded protein binding / positive regulation of canonical Wnt signaling pathway / protein folding / nucleosome / HATs acetylate histones / ATPase binding / spermatogenesis / regulation of apoptotic process / DNA recombination / DNA helicase / transcription coactivator activity / regulation of cell cycle / Ub-specific processing proteases / protein stabilization / nuclear speck / cilium / ciliary basal body / cadherin binding / RNA polymerase II cis-regulatory region sequence-specific DNA binding / chromatin remodeling / ribonucleoprotein complex / 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 / cytoplasm / cytosol
Similarity search - Function
: / RNA-polymerase II-associated protein 3-like, C-terminal domain / Potential Monad-binding region of RPAP3 / Tetratricopeptide repeat / 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 ...: / RNA-polymerase II-associated protein 3-like, C-terminal domain / Potential Monad-binding region of RPAP3 / Tetratricopeptide repeat / 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 / Tetratricopeptide repeat / Tetratricopeptide repeat / Tetratricopeptide repeat / TPR repeat region circular profile. / TPR repeat profile. / Tetratricopeptide repeats / Tetratricopeptide repeat / Tetratricopeptide-like helical domain superfamily / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / RNA polymerase II-associated protein 3 / RuvB-like 2 / RuvB-like 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.57 Å
AuthorsMartino, F. / Munoz-Hernandez, H. / Rodriguez, C.F. / Pearl, L.H. / Llorca, O.
Funding support Spain, 3items
OrganizationGrant numberCountry
Spanish Ministry of Economy and CompetitivenessSAF2014-52301-R Spain
Spanish Ministry of Economy and CompetitivenessSAF2017-82632-P Spain
Spanish Ministry of Economy and CompetitivenessSAF2014-59993-JIN Spain
CitationJournal: Nat Commun / Year: 2018
Title: RPAP3 provides a flexible scaffold for coupling HSP90 to the human R2TP co-chaperone complex.
Authors: Fabrizio Martino / Mohinder Pal / Hugo Muñoz-Hernández / Carlos F Rodríguez / Rafael Núñez-Ramírez / David Gil-Carton / Gianluca Degliesposti / J Mark Skehel / S Mark Roe / ...Authors: Fabrizio Martino / Mohinder Pal / Hugo Muñoz-Hernández / Carlos F Rodríguez / Rafael Núñez-Ramírez / David Gil-Carton / Gianluca Degliesposti / J Mark Skehel / S Mark Roe / Chrisostomos Prodromou / Laurence H Pearl / Oscar Llorca /
Abstract: The R2TP/Prefoldin-like co-chaperone, in concert with HSP90, facilitates assembly and cellular stability of RNA polymerase II, and complexes of PI3-kinase-like kinases such as mTOR. However, the ...The R2TP/Prefoldin-like co-chaperone, in concert with HSP90, facilitates assembly and cellular stability of RNA polymerase II, and complexes of PI3-kinase-like kinases such as mTOR. However, the mechanism by which this occurs is poorly understood. Here we use cryo-EM and biochemical studies on the human R2TP core (RUVBL1-RUVBL2-RPAP3-PIH1D1) which reveal the distinctive role of RPAP3, distinguishing metazoan R2TP from the smaller yeast equivalent. RPAP3 spans both faces of a single RUVBL ring, providing an extended scaffold that recruits clients and provides a flexible tether for HSP90. A 3.6 Å cryo-EM structure reveals direct interaction of a C-terminal domain of RPAP3 and the ATPase domain of RUVBL2, necessary for human R2TP assembly but absent from yeast. The mobile TPR domains of RPAP3 map to the opposite face of the ring, associating with PIH1D1, which mediates client protein recruitment. Thus, RPAP3 provides a flexible platform for bringing HSP90 into proximity with diverse client proteins.
History
DepositionFeb 5, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 4, 2018Provider: repository / Type: Initial release
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Revision 1.0Apr 4, 2018Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.0Apr 4, 2018Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Apr 4, 2018Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
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Revision 1.1Apr 11, 2018Group: Data collection / Structure summary / Category: struct / Item: _struct.title
Revision 1.2Apr 25, 2018Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation_author.name
Revision 1.3May 30, 2018Group: Author supporting evidence / Data collection / Category: pdbx_audit_support
Revision 1.4Dec 11, 2019Group: Other / Category: atom_sites
Item: _atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][2] / _atom_sites.fract_transf_matrix[3][3]
Revision 1.5Apr 9, 2025Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_admin / pdbx_entry_details
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_admin.last_update
Revision 1.1Apr 9, 2025Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Database references / Experimental summary / Data content type: EM metadata / EM metadata / Category: database_2 / em_admin / Data content type: EM metadata / EM metadata / EM metadata
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Structure visualization

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Assembly

Deposited unit
A: RuvB-like 1
B: RuvB-like 1
C: RuvB-like 1
D: RuvB-like 2
E: RuvB-like 2
F: RuvB-like 2
G: RNA polymerase II-associated protein 3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)382,95213
Polymers380,3897
Non-polymers2,5636
Water00
1


  • Idetical with deposited unit
  • defined by software
  • Evidence: gel filtration, mass spectrometry, native gel electrophoresis, microscopy
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area28400 Å2
ΔGint-168 kcal/mol
Surface area86390 Å2
MethodPISA

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Components

#1: Protein RuvB-like 1 / 49 kDa TATA box-binding protein-interacting protein / 49 kDa TBP-interacting protein / 54 kDa ...49 kDa TATA box-binding protein-interacting protein / 49 kDa TBP-interacting protein / 54 kDa erythrocyte cytosolic protein / ECP-54 / INO80 complex subunit H / Nuclear matrix protein 238 / NMP 238 / Pontin 52 / TIP49a / TIP60-associated protein 54-alpha / TAP54-alpha


Mass: 50296.914 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: RUVBL1, INO80H, NMP238, TIP49, TIP49A / Production host: Escherichia coli (E. coli) / References: UniProt: Q9Y265, DNA helicase
#2: Protein RuvB-like 2 / 48 kDa TATA box-binding protein-interacting protein / 48 kDa TBP-interacting protein / 51 kDa ...48 kDa TATA box-binding protein-interacting protein / 48 kDa TBP-interacting protein / 51 kDa erythrocyte cytosolic protein / ECP-51 / INO80 complex subunit J / Repressing pontin 52 / Reptin 52 / TIP49b / TIP60-associated protein 54-beta / TAP54-beta


Mass: 51222.465 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: RUVBL2, INO80J, TIP48, TIP49B, CGI-46 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9Y230, DNA helicase
#3: Protein RNA polymerase II-associated protein 3


Mass: 75830.547 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: MTSANKAIELQLQVKQNAEELQDFMRDLENWEKDIKQKDMELRRQNGVPEENLPPIRNGN FRKKKKGKAKESSKKTREENTKNRIKSYDYEAWAKLDVDRILDELDKDDSTHESLSQESE SEEDGIHVDSQKALVLKEKGNKYFKQGKYDEAIDCYTKGMDADPYNPVLPTNRASAYFRL ...Details: MTSANKAIELQLQVKQNAEELQDFMRDLENWEKDIKQKDMELRRQNGVPEENLPPIRNGN FRKKKKGKAKESSKKTREENTKNRIKSYDYEAWAKLDVDRILDELDKDDSTHESLSQESE SEEDGIHVDSQKALVLKEKGNKYFKQGKYDEAIDCYTKGMDADPYNPVLPTNRASAYFRL KKFAVAESDCNLAVALNRSYTKAYSRRGAARFALQKLEEAKKDYERVLELEPNNFEATNE LRKISQALASKENSYPKEADIVIKSTEGERKQIEAQQNKQQAISEKDRGNGFFKEGKYER AIECYTRGIAADGANALLPANRAMAYLKIQKYEEAEKDCTQAILLDGSYSKAFARRGTAR TFLGKLNEAKQDFETVLLLEPGNKQAVTELSKIKKELIEKGHWDDVFLDSTQRQNVVKPI DNPPHPGSTKPLKKVIIEETGNLIQTIDVPDSTTAAAPENNPINLANVIAATGTTSKKNS SQDDLFPTSDTPRAKVLKIEEVSDTSSLQPQASLKQDVCQSYSEKMPIEIEQKPAQFATT VLPPIPANSFQLESDFRQLKSSPDMLYQYLKQIEPSLYPKLFQKNLDPDVFNQIVKILHD FYIEKEKPLLIFEILQRLSELKRFDMAVMFMSETEKKIARALFNHIDKSGLKDSSVEELK KRYGG
Source: (gene. exp.) Homo sapiens (human) / Gene: RPAP3 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9H6T3
#4: Chemical
ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
Has protein modificationN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: a human R2TP subcomplex containing 1 RUVBL1-RUVBL2 hexamer bound to 1 RBD domain of RPAP3
Type: COMPLEX / Entity ID: #1-#3 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.8
Buffer component
IDConc.NameFormulaBuffer-ID
125 mMHEPES1
2130 mMsodium chlorideNaCl1
310 mM2-Mercaptoethanol1
40.5 mMADP1
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingElectron dose: 52 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k)
Image scansMovie frames/image: 32

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Processing

SoftwareName: PHENIX / Version: 1.13-2998_final: / Classification: refinement
EM software
IDNameVersionCategory
1RELION2particle selection
4Gctf1.06CTF correction
7Cootmodel fitting
9RELION2initial Euler assignment
10RELION2final Euler assignment
11RELION2classification
12RELION23D reconstruction
13REFMACmodel refinement
14PHENIXmodel refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.57 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 101742 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00716868
ELECTRON MICROSCOPYf_angle_d0.85123740
ELECTRON MICROSCOPYf_dihedral_angle_d7.5969936
ELECTRON MICROSCOPYf_chiral_restr0.0442528
ELECTRON MICROSCOPYf_plane_restr0.0042838

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