Human immunodeficiency virus type 1 2-LTR circles reside in a nucleoprotein complex which is different from the preintegration complex

M. Bukrinsky, N. Sharova, Mario Stevenson

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

The preintegration complex of human immunodeficiency virus type 1 (HIV-1) is a large nucleoprotein complex containing viral nucleic acids in association with products of the viral gag and pol genes. One of these proteins, integrase, is absolutely required for the integration and formation of the provirus. Although HIV-1-specific 2-LTR circles from nuclei of HIV-1- infected cells were found to be associated within a high-molecular-weight nucleoprotein complex, antibodies to HIV-1 integrase failed to precipitate this form of viral DNA. This result indicates that circular forms of HIV-1 DNA are not associated with integrase. These viral DNA forms seem to exist in a context of a nucleoprotein complex that is different from a preintegration complex of HIV-1.

Original languageEnglish
Pages (from-to)6863-6865
Number of pages3
JournalJournal of Virology
Volume67
Issue number11
StatePublished - Jan 1 1993
Externally publishedYes

Fingerprint

nucleoproteins
HIV-2
Nucleoproteins
Human immunodeficiency virus 1
HIV-1
Integrases
Viral DNA
DNA
pol Gene Products
Virus Integration
proviruses
gag Gene Products
Viral Proteins
Nucleic Acids
nucleic acids
Molecular Weight
molecular weight
antibodies
Antibodies
Proteins

ASJC Scopus subject areas

  • Immunology

Cite this

Human immunodeficiency virus type 1 2-LTR circles reside in a nucleoprotein complex which is different from the preintegration complex. / Bukrinsky, M.; Sharova, N.; Stevenson, Mario.

In: Journal of Virology, Vol. 67, No. 11, 01.01.1993, p. 6863-6865.

Research output: Contribution to journalArticle

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