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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-23214 | |||||||||
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Title | Cryo-EM structure of Hsp90:p23 closed-state complex | |||||||||
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Function / homology | ![]() lung saccule development / ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | ![]() ![]() | |||||||||
![]() | Lee K / Thwin AC | |||||||||
Funding support | ![]()
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![]() | ![]() Title: The structure of an Hsp90-immunophilin complex reveals cochaperone recognition of the client maturation state. Authors: Kanghyun Lee / Aye C Thwin / Cory M Nadel / Eric Tse / Stephanie N Gates / Jason E Gestwicki / Daniel R Southworth / ![]() Abstract: The Hsp90 chaperone promotes folding and activation of hundreds of client proteins in the cell through an ATP-dependent conformational cycle guided by distinct cochaperone regulators. The FKBP51 ...The Hsp90 chaperone promotes folding and activation of hundreds of client proteins in the cell through an ATP-dependent conformational cycle guided by distinct cochaperone regulators. The FKBP51 immunophilin binds Hsp90 with its tetratricopeptide repeat (TPR) domain and catalyzes peptidyl-prolyl isomerase (PPIase) activity during folding of kinases, nuclear receptors, and tau. Here we determined the cryoelectron microscopy (cryo-EM) structure of the human Hsp90:FKBP51:p23 complex to 3.3 Å, which, together with mutagenesis and crosslinking analyses, reveals the basis for cochaperone binding to Hsp90 during client maturation. A helix extension in the TPR functions as a key recognition element, interacting across the Hsp90 C-terminal dimer interface presented in the closed, ATP conformation. The PPIase domain is positioned along the middle domain, adjacent to Hsp90 client binding sites, whereas a single p23 makes stabilizing interactions with the N-terminal dimer. With this architecture, FKBP51 is positioned to act on specific client residues presented during Hsp90-catalyzed remodeling. | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 179.4 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 12.7 KB 12.7 KB | Display Display | ![]() |
Images | ![]() | 27 KB | ||
Filedesc metadata | ![]() | 5.6 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7l7jMC ![]() 7l7iC C: citing same article ( M: atomic model generated by this map |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Voxel size | X=Y=Z: 0.814 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
-Entire : Hsp90:p23 closed-state complex
Entire | Name: Hsp90:p23 closed-state complex |
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Components |
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-Supramolecule #1: Hsp90:p23 closed-state complex
Supramolecule | Name: Hsp90:p23 closed-state complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2 |
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Source (natural) | Organism: ![]() ![]() |
-Macromolecule #1: Prostaglandin E synthase 3
Macromolecule | Name: Prostaglandin E synthase 3 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO / EC number: ![]() |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 18.720395 KDa |
Recombinant expression | Organism: ![]() ![]() ![]() |
Sequence | String: MQPASAKWYD RRDYVFIEFC VEDSKDVNVN FEKSKLTFSC LGGSDNFKHL NEIDLFHCID PNDSKHKRTD RSILCCLRKG ESGQSWPRL TKERAKLNWL SVDFNNWKDW EDDSDEDMSN FDRFSEMMNN MGGDEDVDLP EVDGADDDSQ DSDDEKMPDL E UniProtKB: ![]() |
-Macromolecule #2: Heat shock protein HSP 90-alpha
Macromolecule | Name: Heat shock protein HSP 90-alpha / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() ![]() |
Molecular weight | Theoretical: 84.781727 KDa |
Recombinant expression | Organism: ![]() ![]() ![]() |
Sequence | String: MPEETQTQDQ PMEEEEVETF AFQAEIAQLM SLIINTFYSN KEIFLRELIS NSSDALDKIR YESLTDPSKL DSGKELHINL IPNKQDRTL TIVDTGIGMT KADLINNLGT IAKSGTKAFM EALQAGADIS MIGQFGVGFY SAYLVAEKVT VITKHNDDEQ Y AWESSAGG ...String: MPEETQTQDQ PMEEEEVETF AFQAEIAQLM SLIINTFYSN KEIFLRELIS NSSDALDKIR YESLTDPSKL DSGKELHINL IPNKQDRTL TIVDTGIGMT KADLINNLGT IAKSGTKAFM EALQAGADIS MIGQFGVGFY SAYLVAEKVT VITKHNDDEQ Y AWESSAGG SFTVRTDTGE PMGRGTKVIL HLKEDQTEYL EERRIKEIVK KHSQFIGYPI TLFVEKERDK EVSDDEAEEK ED KEEEKEK EEKESEDKPE IEDVGSDEEE EKKDGDKKKK KKIKEKYIDQ EELNKTKPIW TRNPDDITNE EYGEFYKSLT NDW EDHLAV KHFSVEGQLE FRALLFVPRR APFDLFENRK KKNNIKLYVR RVFIMDNCEE LIPEYLNFIR GVVDSEDLPL NISR EMLQQ SKILKVIRKN LVKKCLELFT ELAEDKENYK KFYEQFSKNI KLGIHEDSQN RKKLSELLRY YTSASGDEMV SLKDY CTRM KENQKHIYYI TGETKDQVAN SAFVERLRKH GLEVIYMIEP IDEYCVQQLK EFEGKTLVSV TKEGLELPED EEEKKK QEE KKTKFENLCK IMKDILEKKV EKVVVSNRLV TSPCCIVTST YGWTANMERI MKAQALRDNS TMGYMAAKKH LEINPDH SI IETLRQKAEA DKNDKSVKDL VILLYETALL SSGFSLEDPQ THANRIYRMI KLGLGIDEDD PTADDTSAAV TEEMPPLE G DDDTSRMEEV D UniProtKB: ![]() |
-Macromolecule #3: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER
Macromolecule | Name: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER / type: ligand / ID: 3 / Number of copies: 2 / Formula: ANP |
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Molecular weight | Theoretical: 506.196 Da |
Chemical component information | ![]() ChemComp-ANP: |
-Experimental details
-Structure determination
Method | ![]() |
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Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.5 |
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Vitrification | Cryogen name: ETHANE |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD![]() |
Image recording | #0 - Image recording ID: 1 / #0 - Film or detector model: GATAN K2 SUMMIT (4k x 4k) / #0 - Average electron dose: 70.0 e/Å2 / #1 - Image recording ID: 2 / #1 - Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / #1 - Average electron dose: 66.0 e/Å2 |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
Particle selection | Number selected: 576169 |
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Startup model | #0 - Type of model: PDB ENTRY #0 - PDB model - PDB ID: #1 - Type of model: PDB ENTRY #1 - PDB model - PDB ID: |
Initial angle assignment | Type: PROJECTION MATCHING |
Final angle assignment | Type: PROJECTION MATCHING |
Final reconstruction | Applied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 2) / Number images used: 239079 |
Image recording ID | 1 |