1ihv
From Proteopedia
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'''SOLUTION STRUCTURE OF THE DNA BINDING DOMAIN OF HIV-1 INTEGRASE, NMR, MINIMIZED AVERAGE STRUCTURE''' | '''SOLUTION STRUCTURE OF THE DNA BINDING DOMAIN OF HIV-1 INTEGRASE, NMR, MINIMIZED AVERAGE STRUCTURE''' | ||
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[[Category: Gronenborn, A M.]] | [[Category: Gronenborn, A M.]] | ||
[[Category: Lodi, P J.]] | [[Category: Lodi, P J.]] | ||
| - | [[Category: | + | [[Category: Aid]] |
| - | [[Category: | + | [[Category: Dna-binding protein]] |
| - | [[Category: | + | [[Category: Polyprotein]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 20:01:13 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 17:01, 2 May 2008
SOLUTION STRUCTURE OF THE DNA BINDING DOMAIN OF HIV-1 INTEGRASE, NMR, MINIMIZED AVERAGE STRUCTURE
Overview
The solution structure of the DNA binding domain of HIV-1 integrase (residues 220-270) has been determined by multidimensional NMR spectroscopy. The protein is a dimer in solution, and each subunit is composed of a five-stranded beta-barrel with a topology very similar to that of the SH3 domain. The dimer is formed by a stacked beta-interface comprising strands 2, 3, and 4, with the two triple-stranded antiparallel beta-sheets, one from each subunit, oriented antiparallel to each other. One surface of the dimer, bounded by the loop between strands beta 1 and beta 2, forms a saddle-shaped groove with dimensions of approximately 24 x 23 x 12 A in cross section. Lys264, which has been shown from mutational data to be involved in DNA binding, protrudes from this surface, implicating the saddle-shaped groove as the potential DNA binding site.
About this Structure
1IHV is a Single protein structure of sequence from Human immunodeficiency virus. Full crystallographic information is available from OCA.
Reference
Solution structure of the DNA binding domain of HIV-1 integrase., Lodi PJ, Ernst JA, Kuszewski J, Hickman AB, Engelman A, Craigie R, Clore GM, Gronenborn AM, Biochemistry. 1995 Aug 8;34(31):9826-33. PMID:7632683 Page seeded by OCA on Fri May 2 20:01:13 2008
