2ITG

CATALYTIC DOMAIN OF HIV-1 INTEGRASE: ORDERED ACTIVE SITE IN THE F185H CONSTRUCT


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Work: 0.200 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

The catalytic domain of human immunodeficiency virus integrase: ordered active site in the F185H mutant.

Bujacz, G.Alexandratos, J.Qing, Z.L.Clement-Mella, C.Wlodawer, A.

(1996) FEBS Lett 398: 175-178

  • DOI: 10.1016/s0014-5793(96)01236-7
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • We solved the structure and traced the complete active site of the catalytic domain of the human immunodeficiency virus type 1 integrase (HIV-1 IN) with the F185H mutation. The only previously available crystal structure, the F185K mutant of this dom ...

    We solved the structure and traced the complete active site of the catalytic domain of the human immunodeficiency virus type 1 integrase (HIV-1 IN) with the F185H mutation. The only previously available crystal structure, the F185K mutant of this domain, lacks one of the catalytically important residues, E152, located in a stretch of 12 disordered residues [Dyda et al. (1994) Science 266, 1981-1986]. It is clear, however, that the active site of HIV-1 IN observed in either structure cannot correspond to that of the functional enzyme, since the cluster of three conserved carboxylic acids does not create a proper metal-binding site. The conformation of the loop was compared with two different conformations found in the catalytic domain of the related avian sarcoma virus integrase [Bujacz et al. (1995) J. Mol. Biol. 253, 333-346]. Flexibility of the active site region of integrases may be required in order for the enzyme to assume a functional conformation in the presence of substrate and/or cofactors.


    Related Citations: 
    • High-Resolution Structure of the Catalytic Domain of Avian Sarcoma Virus Integrase
      Bujacz, G., Jaskolski, M., Alexandratos, J., Wlodawer, A., Merkel, G., Katz, R.A., Skalka, A.M.
      (1995) J Mol Biol 253: 333
    • Crystal Structure of the Catalytic Domain of HIV-1 Integrase: Similarity to Other Polynucleotidyl Transferases
      Dyda, F., Hickman, A.B., Jenkins, T.M., Engelman, A., Craigie, R., Davies, D.R.
      (1994) Science 266: 1981

    Organizational Affiliation

    Macromolecular Structure Laboratory, NCI-Frederick Cancer Research and Development Center, Frederick, MD 21702, USA.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
HUMAN IMMUNODEFICIENCY VIRUS-1 INTEGRASE
A
163Human immunodeficiency virus 1Mutation(s): 1 
EC: 3.4.23.16 (UniProt), 2.7.7.49 (UniProt), 2.7.7.7 (UniProt), 3.1.26.13 (UniProt), 3.1.13.2 (UniProt), 2.7.7 (UniProt), 3.1 (UniProt)
Find proteins for P12497 (Human immunodeficiency virus type 1 group M subtype B (isolate NY5))
Go to UniProtKB:  P12497
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Work: 0.200 
  • Space Group: P 31 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 72.4α = 90
b = 72.4β = 90
c = 65.56γ = 120
Software Package:
Software NamePurpose
PROLSQrefinement
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1997-03-12
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Derived calculations, Version format compliance