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M9630099.TXT
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1996-02-27
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Document 0099
DOCN M9630099
TI Specific binding of human immunodeficiency virus type 1 (HIV-1)
Gag-derived proteins to a 5' HIV-1 genomic RNA sequence.
DT 9603
AU Geigenmuller U; Linial ML; Division of Basic Sciences, Fred Hutchinson
Cancer Research; Center, Seattle, Washington 98104, USA.
SO J Virol. 1996 Jan;70(1):667-71. Unique Identifier : AIDSLINE
MED/96099490
AB We developed an in vitro binding assay to study the specific interaction
between human immunodeficiency virus type 1 (HIV-1) RNA and the Gag
polyprotein. Binding of the in vitro-expressed protein to in
vitro-transcribed RNA was determined by altered migration of the protein
in polyacrylamide gels. We found that a Gag precursor lacking the matrix
domain bound specifically to HIV-1 RNA, while deletion of both matrix
and capsid domains diminished the specificity of binding. Among several
regions of HIV-1 RNA tested, strongest binding was seen with the 5'-most
261 nucleotides, while antisense RNA from the same region did not bind.
DE Animal Gene Deletion Gene Products, gag/GENETICS/*METABOLISM Genome,
Viral Human HIV-1/GENETICS/*METABOLISM Protein Binding RNA,
Viral/*METABOLISM Structure-Activity Relationship Support, U.S. Gov't,
P.H.S. JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).