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M9610581.TXT
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1996-01-30
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Document 0581
DOCN M9610581
TI The DNA-binding domain of HIV-1 integrase has an SH3-like fold.
DT 9601
AU Eijkelenboom AP; Lutzke RA; Boelens R; Plasterk RH; Kaptein R; Hard K;
Bijvoet Center for Biomolecular Research, Utrecht University, The;
Netherlands.
SO Nat Struct Biol. 1995 Sep;2(9):807-10. Unique Identifier : AIDSLINE
MED/96018619
AB We have determined the solution structure of the DNA-binding domain of
HIV-1 integrase by nuclear magnetic resonance spectroscopy. In solution,
this carboxyterminal region of integrase forms a homodimer, consisting
of two structures that closely resemble Src-homology 3 (SH3) domains.
Lys 264, previously identified by mutagenesis studies to be important
for DNA binding of the integrase, as well as several adjacent basic
amino acids are solvent exposed. The identification of an SH3-like
domain in integrase provides a new potential target for drug design.
DE src Homology Domains Amino Acid Sequence Binding Sites
Chromatography, Gel DNA/*METABOLISM DNA
Nucleotidyltransferases/*CHEMISTRY/GENETICS/*METABOLISM
HIV-1/ENZYMOLOGY Molecular Sequence Data Mutation Nuclear Magnetic
Resonance Protein Conformation Protein Folding Sequence Homology,
Amino Acid Support, Non-U.S. Gov't JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).