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.
Transcriptional activity of the 3× multimers compared to that of Δ226, the 5′ deletion construct that contains a single 72-bp repeat unit. Two versions of Δ226 were tested, one with the SL3 core I element and the other with a substitution of the Akv core. Abbreviations and color schemes are described in the legend to Fig. 2. Activity is shown compared to that of the SL3 LTR, which was set at 100%.
