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- PDB-7zr0: CryoEM structure of HSP90-CDC37-BRAF(V600E) complex. -

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Basic information

Entry
Database: PDB / ID: 7zr0
TitleCryoEM structure of HSP90-CDC37-BRAF(V600E) complex.
Components
  • Heat shock protein HSP 90-beta
  • Hsp90 co-chaperone Cdc37
  • Serine/threonine-protein kinase B-raf
KeywordsCHAPERONE / Complex / PROTEIN BINDING
Function / homology
Function and homology information


regulation of type II interferon-mediated signaling pathway / HSP90-CDC37 chaperone complex / negative regulation of proteasomal protein catabolic process / Aryl hydrocarbon receptor signalling / aryl hydrocarbon receptor complex / CD4-positive, alpha-beta T cell differentiation / positive regulation of axon regeneration / histone methyltransferase binding / dynein axonemal particle / CD4-positive or CD8-positive, alpha-beta T cell lineage commitment ...regulation of type II interferon-mediated signaling pathway / HSP90-CDC37 chaperone complex / negative regulation of proteasomal protein catabolic process / Aryl hydrocarbon receptor signalling / aryl hydrocarbon receptor complex / CD4-positive, alpha-beta T cell differentiation / positive regulation of axon regeneration / histone methyltransferase binding / dynein axonemal particle / CD4-positive or CD8-positive, alpha-beta T cell lineage commitment / negative regulation of synaptic vesicle exocytosis / Signalling to p38 via RIT and RIN / receptor ligand inhibitor activity / head morphogenesis / positive regulation of type 2 mitophagy / ARMS-mediated activation / myeloid progenitor cell differentiation / endothelial cell apoptotic process / SHOC2 M1731 mutant abolishes MRAS complex function / Gain-of-function MRAS complexes activate RAF signaling / protein kinase regulator activity / negative regulation of fibroblast migration / positive regulation of D-glucose transmembrane transport / positive regulation of protein localization to cell surface / regulation of cyclin-dependent protein serine/threonine kinase activity / establishment of protein localization to membrane / ATP-dependent protein binding / regulation of T cell differentiation / positive regulation of axonogenesis / Negative feedback regulation of MAPK pathway / post-transcriptional regulation of gene expression / Frs2-mediated activation / Respiratory syncytial virus genome replication / telomerase holoenzyme complex assembly / stress fiber assembly / Uptake and function of diphtheria toxin / Drug-mediated inhibition of ERBB2 signaling / Resistance of ERBB2 KD mutants to trastuzumab / Resistance of ERBB2 KD mutants to sapitinib / Resistance of ERBB2 KD mutants to tesevatinib / Resistance of ERBB2 KD mutants to neratinib / Resistance of ERBB2 KD mutants to osimertinib / Resistance of ERBB2 KD mutants to afatinib / Resistance of ERBB2 KD mutants to AEE788 / Resistance of ERBB2 KD mutants to lapatinib / Drug resistance in ERBB2 TMD/JMD mutants / positive regulation of transforming growth factor beta receptor signaling pathway / regulation of type I interferon-mediated signaling pathway / TPR domain binding / dendritic growth cone / face development / Assembly and release of respiratory syncytial virus (RSV) virions / MAP kinase kinase activity / thyroid gland development / somatic stem cell population maintenance / The NLRP3 inflammasome / Sema3A PAK dependent Axon repulsion / protein phosphatase activator activity / regulation of protein ubiquitination / synaptic vesicle exocytosis / positive regulation of peptidyl-serine phosphorylation / HSF1-dependent transactivation / protein folding chaperone complex / MAP kinase kinase kinase activity / response to unfolded protein / HSF1 activation / Attenuation phase / negative regulation of endothelial cell apoptotic process / chaperone-mediated protein complex assembly / RHOBTB2 GTPase cycle / telomere maintenance via telomerase / axonal growth cone / postsynaptic modulation of chemical synaptic transmission / protein targeting / Purinergic signaling in leishmaniasis infection / ERK1 and ERK2 cascade / positive regulation of stress fiber assembly / supramolecular fiber organization / Signaling by ERBB2 / DNA polymerase binding / heat shock protein binding / peptide binding / positive regulation of substrate adhesion-dependent cell spreading / substrate adhesion-dependent cell spreading / negative regulation of proteasomal ubiquitin-dependent protein catabolic process / protein folding chaperone / ESR-mediated signaling / cellular response to interleukin-4 / cellular response to calcium ion / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / Constitutive Signaling by Overexpressed ERBB2 / placenta development / nitric-oxide synthase regulator activity / thymus development / animal organ morphogenesis / positive regulation of cell differentiation / sperm end piece / ATP-dependent protein folding chaperone / Signaling by ERBB2 TMD/JMD mutants / RAF activation
Similarity search - Function
Cdc37, Hsp90 binding domain / Cdc37, C-terminal / Cdc37, Hsp90 binding / Cdc37, Hsp90-binding domain superfamily / Cdc37 C terminal domain / Cdc37 Hsp90 binding domain / Cdc37 C terminal domain / Cdc37 Hsp90 binding domain / Cdc37 N terminal kinase binding / Cdc37 ...Cdc37, Hsp90 binding domain / Cdc37, C-terminal / Cdc37, Hsp90 binding / Cdc37, Hsp90-binding domain superfamily / Cdc37 C terminal domain / Cdc37 Hsp90 binding domain / Cdc37 C terminal domain / Cdc37 Hsp90 binding domain / Cdc37 N terminal kinase binding / Cdc37 / Cdc37, N-terminal domain / Cdc37 N terminal kinase binding / Raf-like Ras-binding domain / Raf-like Ras-binding / Ras-binding domain (RBD) profile. / Raf-like Ras-binding domain / Diacylglycerol/phorbol-ester binding / : / Phorbol esters/diacylglycerol binding domain (C1 domain) / Zinc finger phorbol-ester/DAG-type signature. / Zinc finger phorbol-ester/DAG-type profile. / Protein kinase C conserved region 1 (C1) domains (Cysteine-rich domains) / Protein kinase C-like, phorbol ester/diacylglycerol-binding domain / C1-like domain superfamily / Heat shock protein Hsp90, conserved site / Heat shock hsp90 proteins family signature. / HSP90, C-terminal domain / Heat shock protein Hsp90, N-terminal / Heat shock protein Hsp90 family / Hsp90 protein / Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase / Methane Monooxygenase Hydroxylase; Chain G, domain 1 / Histidine kinase-like ATPases / Histidine kinase/HSP90-like ATPase / Histidine kinase/HSP90-like ATPase superfamily / Protein tyrosine and serine/threonine kinase / Serine-threonine/tyrosine-protein kinase, catalytic domain / Ubiquitin-like domain superfamily / Ribosomal protein S5 domain 2-type fold / Serine/threonine-protein kinase, active site / Serine/Threonine protein kinases active-site signature. / Serine/Threonine protein kinases, catalytic domain / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
ADENOSINE-5'-TRIPHOSPHATE / Heat shock protein HSP 90-beta / Serine/threonine-protein kinase B-raf / Hsp90 co-chaperone Cdc37
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsOberoi, J. / Pearl, L.H.
Funding support United Kingdom, 1items
OrganizationGrant numberCountry
Wellcome Trust United Kingdom
CitationJournal: Nat Commun / Year: 2022
Title: HSP90-CDC37-PP5 forms a structural platform for kinase dephosphorylation.
Authors: Jasmeen Oberoi / Xavi Aran Guiu / Emily A Outwin / Pascale Schellenberger / Theodoros I Roumeliotis / Jyoti S Choudhary / Laurence H Pearl /
Abstract: Activation of client protein kinases by the HSP90 molecular chaperone system is affected by phosphorylation at multiple sites on HSP90, the kinase-specific co-chaperone CDC37, and the kinase client ...Activation of client protein kinases by the HSP90 molecular chaperone system is affected by phosphorylation at multiple sites on HSP90, the kinase-specific co-chaperone CDC37, and the kinase client itself. Removal of regulatory phosphorylation from client kinases and their release from the HSP90-CDC37 system depends on the Ser/Thr phosphatase PP5, which associates with HSP90 via its N-terminal TPR domain. Here, we present the cryoEM structure of the oncogenic protein kinase client BRAF bound to HSP90-CDC37, showing how the V600E mutation favours BRAF association with HSP90-CDC37. Structures of HSP90-CDC37-BRAF complexes with PP5 in autoinhibited and activated conformations, together with proteomic analysis of its phosphatase activity on BRAF and CRAF, reveal how PP5 is activated by recruitment to HSP90 complexes. PP5 comprehensively dephosphorylates client proteins, removing interaction sites for regulatory partners such as 14-3-3 proteins and thus performing a 'factory reset' of the kinase prior to release.
History
DepositionMay 3, 2022Deposition site: PDBE / Processing site: PDBE
Revision 1.0Dec 14, 2022Provider: repository / Type: Initial release
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Revision 1.0Dec 14, 2022Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
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Revision 1.0Dec 14, 2022Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.1Jan 11, 2023Group: Structure summary / Category: struct / Item: _struct.title
Revision 1.2Oct 23, 2024Group: Data collection / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification
Revision 1.3Jul 9, 2025Group: Data collection / Category: em_admin / em_software / Item: _em_admin.last_update / _em_software.name
Revision 1.1Jul 9, 2025Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Data processing / Experimental summary / Data content type: EM metadata / EM metadata / Category: em_admin / em_software / Data content type: EM metadata / EM metadata / Item: _em_admin.last_update / _em_software.name

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Heat shock protein HSP 90-beta
B: Heat shock protein HSP 90-beta
C: Hsp90 co-chaperone Cdc37
K: Serine/threonine-protein kinase B-raf
hetero molecules


Theoretical massNumber of molelcules
Total (without water)311,2506
Polymers310,2354
Non-polymers1,0142
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Heat shock protein HSP 90-beta / HSP 90 / Heat shock 84 kDa / HSP 84 / HSP84


Mass: 86223.469 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HSP90AB1, HSP90B, HSPC2, HSPCB / Production host: Spodoptera (butterflies/moths) / References: UniProt: P08238
#2: Protein Hsp90 co-chaperone Cdc37 / Hsp90 chaperone protein kinase-targeting subunit / p50Cdc37


Mass: 46853.816 Da / Num. of mol.: 1 / Mutation: V600E
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CDC37, CDC37A / Production host: Spodoptera (butterflies/moths) / References: UniProt: Q16543
#3: Protein Serine/threonine-protein kinase B-raf / Proto-oncogene B-Raf / p94 / v-Raf murine sarcoma viral oncogene homolog B1


Mass: 90934.508 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: BRAF, BRAF1, RAFB1 / Production host: Spodoptera (butterflies/moths)
References: UniProt: P15056, non-specific serine/threonine protein kinase
#4: Chemical ChemComp-ATP / ADENOSINE-5'-TRIPHOSPHATE


Mass: 507.181 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H16N5O13P3 / Comment: ATP, energy-carrying molecule*YM
Has ligand of interestY
Has protein modificationY

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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: HSP90-CDC37-BRAF(V600E) complex / Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera (butterflies/moths)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen 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 / Nominal defocus max: 2500 nm / Nominal defocus min: 1300 nm
Image recordingElectron dose: 45 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.20.1_4487: / Classification: refinement
EM software
IDNameCategory
4cryoSPARCCTF correction
8PHENIXmodel refinement
12RELIONclassification
13RELION3D reconstruction
CTF correctionType: NONE
3D reconstructionResolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 400624 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00714293
ELECTRON MICROSCOPYf_angle_d0.9619216
ELECTRON MICROSCOPYf_dihedral_angle_d5.6871870
ELECTRON MICROSCOPYf_chiral_restr0.0462108
ELECTRON MICROSCOPYf_plane_restr0.0062455

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