The Atomic Structure of Adeno-Associated Virus (AAV-2), a Vector for Human Gene Therapy

Experimental Data Snapshot

  • Resolution: 3.00 Å
  • R-Value Free: 0.342 
  • R-Value Work: 0.338 
  • R-Value Observed: 0.338 

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The atomic structure of adeno-associated virus (AAV-2), a vector for human gene therapy.

Xie, Q.Bu, W.Bhatia, S.Hare, J.Somasundaram, T.Azzi, A.Chapman, M.S.

(2002) Proc Natl Acad Sci U S A 99: 10405-10410

  • DOI: https://doi.org/10.1073/pnas.162250899
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    The structure of the adeno-associated virus (AAV-2) has been determined to 3-A resolution by x-ray crystallography. AAV is being developed as a vector for gene therapy to treat diseases including hemophilia, cancer, and cystic fibrosis. As in the distantly related autonomous parvoviruses, the capsid protein has a beta-barrel fold, but long loops between the beta-strands share little structural homology with other parvoviruses, leading to unique surface features. Most prominent are groups of threefold-related peaks, each an intimate association of loops from two neighboring subunits. Mutations affecting cell entry and receptor binding are clustered near the positively charged side of each peak, implicating the region in attachment to the cellular receptor, heparan sulfate proteoglycan. Amino acids involved in antibody binding are in the same general vicinity. The structure will guide rational engineering of vector capsids to tailor cellular targeting and to avoid immediate neutralization by an immune system sensitized by prior exposure to AAV.

  • Organizational Affiliation

    Department of Chemistry and Biochemistry, and Institute of Molecular Biophysics, Kasha Laboratory, Florida State University, Tallahassee, FL 32306-4380, USA.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
AAV-2 capsid protein519adeno-associated virus 2Mutation(s): 0 
Find proteins for P03135 (Adeno-associated virus 2 (isolate Srivastava/1982))
Explore P03135 
Go to UniProtKB:  P03135
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP03135
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 3.00 Å
  • R-Value Free: 0.342 
  • R-Value Work: 0.338 
  • R-Value Observed: 0.338 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 249.69α = 90
b = 249.69β = 101.16
c = 644.76γ = 120
Software Package:
Software NamePurpose
RAVEmodel building
CCP4model building
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2002-08-07
    Type: Initial release
  • Version 1.1: 2008-04-28
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2012-01-18
    Changes: Other
  • Version 1.4: 2023-08-16
    Changes: Data collection, Database references, Derived calculations, Refinement description