2C8F

Structure of the ARTT motif E214N mutant C3bot1 Exoenzyme (NAD-bound state, crystal form III)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.316 
  • R-Value Work: 0.232 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structural Basis for the Nad-Hydrolysis Mechanism and the Artt-Loop Plasticity of C3 Exoenzymes.

Menetrey, J.Flatau, G.Boquet, P.Menez, A.Stura, E.A.

(2008) Protein Sci. 17: 878

  • DOI: 10.1110/ps.073398508
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • C3-like exoenzymes are ADP-ribosyltransferases that specifically modify some Rho GTPase proteins, leading to their sequestration in the cytoplasm, and thus inhibiting their regulatory activity on the actin cytoskeleton. This modification process goes ...

    C3-like exoenzymes are ADP-ribosyltransferases that specifically modify some Rho GTPase proteins, leading to their sequestration in the cytoplasm, and thus inhibiting their regulatory activity on the actin cytoskeleton. This modification process goes through three sequential steps involving NAD-hydrolysis, Rho recognition, and binding, leading to Rho ADP-ribosylation. Independently, three distinct residues within the ARTT loop of the C3 exoenzymes are critical for each of these steps. Supporting the critical role of the ARTT loop, we have shown previously that it adopts a distinct conformation upon NAD binding. Here, we present seven wild-type and ARTT loop-mutant structures of C3 exoenzyme of Clostridium botulinum free and bound to its true substrate, NAD, and to its NAD-hydrolysis product, nicotinamide. Altogether, these structures expand our understanding of the conformational diversity of the C3 exoenzyme, mainly within the ARTT loop.


    Related Citations: 
    • Nad Binding Induces Conformational Changes in Rho Adp-Ribosylating Clostridium Botulinum C3 Exoenzyme.
      Menetrey, J.,Flatau, G.,Stura, E.A.,Charbonnier, J.B.,Gas, F.,Teulon, J.M.,Ledu, M.H.,Boquet, P.,Menez, A.
      (2002) J.Biol.Chem. 277: 30950


    Organizational Affiliation

    Institut Curie, Centre de Recherche, Paris F-75248, France. julie.Menetrey@curie.fr




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
MONO-ADP-RIBOSYLTRANSFERASE C3
E, F, G
211Clostridium botulinumMutation(s): 1 
Find proteins for Q7M0L1 (Clostridium botulinum)
Go to UniProtKB:  Q7M0L1
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NAD
Query on NAD

Download SDF File 
Download CCD File 
E
NICOTINAMIDE-ADENINE-DINUCLEOTIDE
C21 H27 N7 O14 P2
BAWFJGJZGIEFAR-NNYOXOHSSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.316 
  • R-Value Work: 0.232 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 44.837α = 90.00
b = 70.381β = 97.28
c = 114.688γ = 90.00
Software Package:
Software NamePurpose
REFMACrefinement
AMoREphasing
SCALEPACKdata scaling
DENZOdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2007-02-27
    Type: Initial release
  • Version 1.1: 2011-06-02
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance