1VHR

HUMAN VH1-RELATED DUAL-SPECIFICITY PHOSPHATASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.254 
  • R-Value Work: 0.176 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Crystal structure of the dual specificity protein phosphatase VHR.

Yuvaniyama, J.Denu, J.M.Dixon, J.E.Saper, M.A.

(1996) Science 272: 1328-1331


  • PubMed Abstract: 
  • Dual specificity protein phosphatases (DSPs) regulate mitogenic signal transduction and control the cell cycle. Here, the crystal structure of a human DSP, vaccinia H1-related phosphatase (or VHR), was determined at 2.1 angstrom resolution. A shallow ...

    Dual specificity protein phosphatases (DSPs) regulate mitogenic signal transduction and control the cell cycle. Here, the crystal structure of a human DSP, vaccinia H1-related phosphatase (or VHR), was determined at 2.1 angstrom resolution. A shallow active site pocket in VHR allows for the hydrolysis of phosphorylated serine, threonine, or tyrosine protein residues, whereas the deeper active site of protein tyrosine phosphatases (PTPs) restricts substrate specificity to only phosphotyrosine. Positively charged crevices near the active site may explain the enzyme's preference for substrates with two phosphorylated residues. The VHR structure defines a conserved structural scaffold for both DSPs and PTPs. A "recognition region," connecting helix alpha1 to strand beta1, may determine differences in substrate specificity between VHR, the PTPs, and other DSPs.


    Related Citations: 
    • The Catalytic Role of Cys124 in the Dual Specificity Phosphatase Vhr
      Zhou, G.,Denu, J.M.,Wu, L.,Dixon, J.E.
      (1994) J.Biol.Chem. 269: 28084
    • Expression Cloning of a Human Dual-Specificity Phosphatase
      Ishibashi, T.,Bottaro, D.P.,Chan, A.,Miki, T.,Aaronson, S.A.
      (1992) Proc.Natl.Acad.Sci.USA 89: 12170
    • The Purification and Characterization of a Human Dual-Specific Protein Tyrosine Phosphatase
      Denu, J.M.,Zhou, G.,Wu, L.,Zhao, R.,Yuvaniyama, J.,Saper, M.A.,Dixon, J.E.
      (1995) J.Biol.Chem. 270: 3796


    Organizational Affiliation

    Biophysics Research Division and Department of Biological Chemistry, University of Michigan, Ann Arbor 48109-1055, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
HUMAN VH1-RELATED DUAL-SPECIFICITY PHOSPHATASE VHR
A, B
184Homo sapiensGene Names: DUSP3 (VHR)
EC: 3.1.3.48, 3.1.3.16
Find proteins for P51452 (Homo sapiens)
Go to Gene View: DUSP3
Go to UniProtKB:  P51452
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
EPE
Query on EPE

Download SDF File 
Download CCD File 
A
4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
HEPES
C8 H18 N2 O4 S
JKMHFZQWWAIEOD-UHFFFAOYSA-N
 Ligand Interaction
SO4
Query on SO4

Download SDF File 
Download CCD File 
B
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.254 
  • R-Value Work: 0.176 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 61.148α = 90.00
b = 60.040β = 98.35
c = 52.016γ = 90.00
Software Package:
Software NamePurpose
X-PLORphasing
X-PLORrefinement
X-PLORmodel building
XDSdata reduction
MADNESdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1996-06-20
    Type: Initial release
  • Version 1.1: 2008-03-24
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance