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.
Histograms of the mean values of the skews calculated in intron sequences (of length l > 160 bp) as a function of the intron length l (the skews were calculated in masked intron sequences but the length l corresponded to unmasked introns); black, TA skew; red, GC skew; vertical bars, SEM; horizontal lines represent the mean skews in internal regions of all introns, STAint (black) and SGCint (red) (see Figure 1).
