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.
The NMR-based fold-back model of the UCCA end in the M.pneumoniae microhelixCys, which shows the bases of C71, C72, U73, C74, C75, A76, G1 and G2 as planes and 2′-OH groups as large balls. The 2′-OH group of U73 is colored orange whereas those of all others are in black.
