Human FKBP5 protein

  • Classification: ISOMERASE
  • Organism(s): Homo sapiens
  • Expression System: Escherichia coli
  • Mutation(s): No 

  • Deposited: 2017-08-01 Released: 2017-11-08 
  • Deposition Author(s): Kumar, R., Moche, M., Winblad, B., Pavlov, P.
  • Funding Organization(s): Swedish Research Council, Stiftelsen For Gamla Tjanarinnor, Gun och Bertil Stohnes stiftelse, Gunvor och Josef Aners stiftelse, Tore Nilsons stiftelse for medicinsk forskning, Foundation for Geriatric Diseases at Karolinska Institutet

Experimental Data Snapshot

  • Resolution: 1.88 Å
  • R-Value Free: 0.247 
  • R-Value Work: 0.198 
  • R-Value Observed: 0.200 

wwPDB Validation   3D Report Full Report

This is version 1.2 of the entry. See complete history


Combined x-ray crystallography and computational modeling approach to investigate the Hsp90 C-terminal peptide binding to FKBP51.

Kumar, R.Moche, M.Winblad, B.Pavlov, P.F.

(2017) Sci Rep 7: 14288-14288

  • DOI: https://doi.org/10.1038/s41598-017-14731-z
  • Primary Citation of Related Structures:  
    5NJX, 5OMP

  • PubMed Abstract: 

    FK506 binding protein of 51 kDa (FKBP51) is a heat shock protein 90 (Hsp90) co-chaperone involved in the regulation of steroid hormone receptors activity. It is known for its role in various regulatory pathways implicated in mood and stress-related disorders, cancer, obesity, Alzheimer's disease and corticosteroid resistant asthma. It consists of two FKBP12 like active peptidyl prolyl isomerase (PPIase) domains (an active FK1 and inactive FK2 domain) and one tetratricopeptide repeat (TPR) domain that mediates interaction with Hsp90 via its C-terminal MEEVD peptide. Here, we report a combined x-ray crystallography and molecular dynamics study to reveal the binding mechanism of Hsp90 MEEVD peptide to the TPR domain of FKBP51. The results demonstrated that the Hsp90 C-terminal peptide binds to the TPR domain of FKBP51 with the help of di-carboxylate clamp involving Lys272, Glu273, Lys352, Asn322, and Lys329 which are conserved throughout several di-carboxylate clamp TPR proteins. Interestingly, the results from molecular dynamics study are also in agreement to the complex structure where all the contacts between these two partners were consistent throughout the simulation period. In a nutshell, our findings provide new opportunity to engage this important protein-protein interaction target by small molecules designed by structure based drug design strategy.

  • Organizational Affiliation

    Department of Neurobiology, Care Sciences and Society, Center for Alzheimer Research, Division of Neurogeriatrics, Karolinska Institutet, Huddinge, Sweden.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Peptidyl-prolyl cis-trans isomerase FKBP5462Homo sapiensMutation(s): 0 
Gene Names: FKBP5AIG6FKBP51
UniProt & NIH Common Fund Data Resources
Find proteins for Q13451 (Homo sapiens)
Explore Q13451 
Go to UniProtKB:  Q13451
PHAROS:  Q13451
GTEx:  ENSG00000096060 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ13451
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 1.88 Å
  • R-Value Free: 0.247 
  • R-Value Work: 0.198 
  • R-Value Observed: 0.200 
  • Space Group: P 32 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 90.732α = 90
b = 90.732β = 90
c = 133.596γ = 120
Software Package:
Software NamePurpose
XDSdata reduction
STARANISOdata scaling

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
Swedish Research CouncilSweden2015-02774
Stiftelsen For Gamla TjanarinnorSweden2016-00302
Gun och Bertil Stohnes stiftelseSweden4-2919/2016
Gunvor och Josef Aners stiftelseSwedenFB16-0111
Tore Nilsons stiftelse for medicinsk forskningSweden2016-00304
Foundation for Geriatric Diseases at Karolinska InstitutetSweden2016alde51194

Revision History  (Full details and data files)

  • Version 1.0: 2017-11-08
    Type: Initial release
  • Version 1.1: 2017-11-22
    Changes: Database references
  • Version 1.2: 2024-01-17
    Changes: Data collection, Database references, Refinement description