1BI4

CATALYTIC DOMAIN OF HIV-1 INTEGRASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.271 
  • R-Value Work: 0.232 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Crystal structures of the catalytic domain of HIV-1 integrase free and complexed with its metal cofactor: high level of similarity of the active site with other viral integrases.

Maignan, S.Guilloteau, J.P.Zhou-Liu, Q.Clement-Mella, C.Mikol, V.

(1998) J.Mol.Biol. 282: 359-368

  • DOI: 10.1006/jmbi.1998.2002
  • Primary Citation of Related Structures:  1BHL, 1BL3

  • PubMed Abstract: 
  • Human immunodeficiency virus (HIV) integrase is the enzyme responsible for insertion of a DNA copy of the viral genome into host DNA, an essential step in the replication cycle of HIV. HIV-1 integrase comprises three functional and structural domains ...

    Human immunodeficiency virus (HIV) integrase is the enzyme responsible for insertion of a DNA copy of the viral genome into host DNA, an essential step in the replication cycle of HIV. HIV-1 integrase comprises three functional and structural domains: an N-terminal zinc-binding domain, a catalytic core domain and a C-terminal DNA-binding domain. The catalytic core domain with the F185H mutation has been crystallized without sodium cacodylate in a new crystal form, free and complexed with the catalytic metal Mg2+. The structures have been determined and refined to about 2.2 A. Unlike the previously reported structures, the three active-site carboxylate residues (D,D-35-E motif) are well ordered and both aspartate residues delineate a proper metal-binding site. Comparison of the active binding site of this domain with that of other members from the polynucleotidyl transferases superfamily shows a high level of similarity, providing a confident template for the design of antiviral agents.


    Related Citations: 
    • 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

    Rhône-Poulenc Rorer, 13, Quai J. Guesde, Vitry/Seine, F-94403, France.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
INTEGRASE
A, C
160Human immunodeficiency virus type 1 group M subtype BGene Names: gag-pol
EC: 3.4.23.16, 3.1.-.-, 2.7.7.49, 2.7.7.7, 3.1.26.13, 2.7.7.-, 3.1.13.2
Find proteins for P12497 (Human immunodeficiency virus type 1 group M subtype B)
Go to UniProtKB:  P12497
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
INTEGRASE
B
160Human immunodeficiency virus type 1 group M subtype BGene Names: gag-pol
EC: 3.4.23.16, 3.1.-.-, 2.7.7.49, 2.7.7.7, 3.1.26.13, 2.7.7.-, 3.1.13.2
Find proteins for P12497 (Human immunodeficiency virus type 1 group M subtype B)
Go to UniProtKB:  P12497
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.271 
  • R-Value Work: 0.232 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 99.100α = 90.00
b = 72.500β = 108.00
c = 79.400γ = 90.00
Software Package:
Software NamePurpose
X-PLORmodel building
DENZOdata reduction
X-PLORphasing
SCALEPACKdata scaling
X-PLORrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1998-11-04
    Type: Initial release
  • Version 1.1: 2008-03-24
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance