1A17

TETRATRICOPEPTIDE REPEATS OF PROTEIN PHOSPHATASE 5


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.45 Å
  • R-Value Free: 0.298 
  • R-Value Work: 0.201 
  • R-Value Observed: 0.201 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

The structure of the tetratricopeptide repeats of protein phosphatase 5: implications for TPR-mediated protein-protein interactions.

Das, A.K.Cohen, P.W.Barford, D.

(1998) EMBO J 17: 1192-1199

  • DOI: 10.1093/emboj/17.5.1192
  • Primary Citation of Related Structures:  
    1A17

  • PubMed Abstract: 
  • The tetratricopeptide repeat (TPR) is a degenerate 34 amino acid sequence identified in a wide variety of proteins, present in tandem arrays of 3-16 motifs, which form scaffolds to mediate protein-protein interactions and often the assembly of multiprotein complexes ...

    The tetratricopeptide repeat (TPR) is a degenerate 34 amino acid sequence identified in a wide variety of proteins, present in tandem arrays of 3-16 motifs, which form scaffolds to mediate protein-protein interactions and often the assembly of multiprotein complexes. TPR-containing proteins include the anaphase promoting complex (APC) subunits cdc16, cdc23 and cdc27, the NADPH oxidase subunit p67 phox, hsp90-binding immunophilins, transcription factors, the PKR protein kinase inhibitor, and peroxisomal and mitochondrial import proteins. Here, we report the crystal structure of the TPR domain of a protein phosphatase, PP5. Each of the three TPR motifs of this domain consist of a pair of antiparallel alpha-helices of equivalent length. Adjacent TPR motifs are packed together in a parallel arrangement such that a tandem TPR motif structure is composed of a regular series of antiparallel alpha-helices. The uniform angular and spatial arrangement of neighbouring alpha-helices defines a helical structure and creates an amphipathic groove. Multiple-TPR motif proteins would fold into a right-handed super-helical structure with a continuous helical groove suitable for the recognition of target proteins, hence defining a novel mechanism for protein recognition. The spatial arrangement of alpha-helices in the PP5-TPR domain is similar to those within 14-3-3 proteins.


    Organizational Affiliation

    Laboratory of Molecular Biophysics, University of Oxford, Rex Richards Building, South Parks Road, Oxford, OX1 3QU, UK.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
SERINE/THREONINE PROTEIN PHOSPHATASE 5A166Homo sapiensMutation(s): 0 
Gene Names: PPP5PPP5C
EC: 3.1.3.16
Find proteins for P53041 (Homo sapiens)
Explore P53041 
Go to UniProtKB:  P53041
NIH Common Fund Data Resources
PHAROS:  P53041
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download Ideal Coordinates CCD File 
B [auth A], C [auth A]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.45 Å
  • R-Value Free: 0.298 
  • R-Value Work: 0.201 
  • R-Value Observed: 0.201 
  • Space Group: I 4 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 90.06α = 90
b = 90.06β = 90
c = 104.45γ = 90
Software Package:
Software NamePurpose
SHARPphasing
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1998-04-29
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Derived calculations, Version format compliance