1U0J

Crystal Structure of AAV2 Rep40-ADP complex

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.192 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history. 

Literature

Structure of adeno-associated virus type 2 Rep40-ADP complex: Insight into nucleotide recognition and catalysis by superfamily 3 helicases

James, J.A., Aggarwal, A.K., Linden, R.M., Escalante, C.R.

(2004) Proc.Natl.Acad.Sci.USA 101: 12455-12460

  • DOI: 10.1073/pnas.0403454101

  • PubMed Abstract: 

    • We have determined the structure of adeno-associated virus type 2 (AAV2) Rep40 to 2.1-A resolution with ADP bound at the active site. The complex crystallizes as a monomer with one ADP molecule positioned in an unexpectedly open binding site. The nuc ...

    We have determined the structure of adeno-associated virus type 2 (AAV2) Rep40 to 2.1-A resolution with ADP bound at the active site. The complex crystallizes as a monomer with one ADP molecule positioned in an unexpectedly open binding site. The nucleotide-binding pocket consists of the P-loop residues interacting with the phosphates and a loop (nucleoside-binding loop) that emanates from the last strand of the central beta-sheet and interacts with the sugar and base. As a result of the open nature of the binding site, one face of the adenine ring is completely exposed to the solvent, and consequently the number of protein-nucleotide contacts is scarce as compared with other P-loop nucleotide phosphohydrolases. The conformation of the ADP molecule in its binding site bears a resemblance to those found in only three other families of P-loop ATPases: the ATP-binding cassette transporter family, the bacterial RecA proteins, and the type II topoisomerase family. In all these cases, oligomerization is required to attain a competent nucleotide-binding pocket. We propose that this characteristic is native to superfamily 3 helicases and allows for an additional mechanism of regulation by these multifunctional proteins. Furthermore, it explains the strong tendency by members of this family such as simian virus 40 TAg to oligomerize after binding ATP.

    Organizational Affiliation: 

    Structural Biology Program, Department of Physiology and Biophysics, and Departments of Gene and Cell Medicine and Microbiology, Mount Sinai School of Medicine, 1 Gustave L. Levy Place, New York, NY 10029, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
DNA replication protein
A
267Adeno-associated virus 2 (isolate Srivastava/1982)Mutation(s): 0 
Gene Names: Rep68
EC: 3.6.4.12
Find proteins for P03132 (Adeno-associated virus 2 (isolate Srivastava/1982))
Go to UniProtKB:  P03132
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ADP
Query on ADP
Download SDF File 
Download CCD File 
A
ADENOSINE-5'-DIPHOSPHATE
C10 H15 N5 O10 P2
XTWYTFMLZFPYCI-KQYNXXCUSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.192 
  • Space Group: P 65
Unit Cell:
Length (Å)Angle (°)
a = 71.000α = 90.00
b = 71.000β = 90.00
c = 95.396γ = 120.00
Software Package:
Software NamePurpose
CNSphasing
CNSrefinement
HKL-2000data reduction
NOVEL_Rdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2004-08-24
    Type: Initial release
  • Version 1.1: 2008-04-30
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance
  • Version 1.3: 2018-01-31
    Type: Experimental preparation