Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic of the HIV-1 Long Terminal Repeat (LTR) promoter showing the main transcription regulatory sites. NRE, Negative Regulatory Region, NFKB, SpI sites, TATA box and TAR. EcoRV (-119), BstNI (-83), HaeIII (-69) and MnlI (-31) refer to the positions of the restriction enzyme site used to cleave the Wt full length LTR.
