1OJQ

The crystal structure of C3stau2 from S. aureus


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.68 Å
  • R-Value Free: 0.237 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The Crystal Structure of C3Stau2 from Staphylococcus Aureus and its Complex with Nad

Evans, H.R.Sutton, J.M.Holloway, D.E.Ayriss, J.Shone, C.C.Acharya, K.R.

(2003) J.Biol.Chem. 278: 45924

  • DOI: 10.1074/jbc.M307719200
  • Primary Citation of Related Structures:  1OJZ

  • PubMed Abstract: 
  • The C3stau2 exoenzyme from Staphylococcus aureus is a C3-like ADP-ribosyltransferase that ADP-ribosylates not only RhoA-C but also RhoE/Rnd3. In this study we have crystallized and determined the structure of C3stau2 in both its native form and in co ...

    The C3stau2 exoenzyme from Staphylococcus aureus is a C3-like ADP-ribosyltransferase that ADP-ribosylates not only RhoA-C but also RhoE/Rnd3. In this study we have crystallized and determined the structure of C3stau2 in both its native form and in complex with NAD at 1.68- and 2.02-A resolutions, respectively. The topology of C3stau2 is similar to that of C3bot1 from Clostridium botulinum (with which it shares 35% amino acid sequence identity) with the addition of two extra helices after strand beta1. The native structure also features a novel orientation of the catalytic ARTT loop, which approximates the conformation seen for the "NAD bound" form of C3bot1. C3stau2 orients NAD similarly to C3bot1, and on binding NAD, C3stau2 undergoes a clasping motion and a rearrangement of the phosphate-nicotinamide binding loop, enclosing the NAD in the binding site. Comparison of these structures with those of C3bot1 and related toxins reveals a degree of divergence in the interactions with the adenine moiety among the ADP-ribosylating toxins that contrasts with the more conserved interactions with the nicotinamide. Comparison with C3bot1 gives some insight into the different protein substrate specificities of these enzymes.


    Organizational Affiliation

    Department of Biology and Biochemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
ADP-RIBOSYLTRANSFERASE
A
212Staphylococcus aureusN/A
Find proteins for Q9ADS9 (Staphylococcus aureus)
Go to UniProtKB:  Q9ADS9
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.68 Å
  • R-Value Free: 0.237 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 39.616α = 90.00
b = 64.525β = 90.00
c = 74.984γ = 90.00
Software Package:
Software NamePurpose
SHELXL-97refinement
SHELXphasing
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2003-08-28
    Type: Initial release
  • Version 1.1: 2011-05-08
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance