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.
G domain and the three-way junction scaffold organized into four nucleobase stacking columns (A, B, C and D) and four stacking layers (1–4)
| Nucleobase stacking column | ||||
|---|---|---|---|---|
| Stacking layer | A | B | C | D |
| 1 | G20 | C50 | ||
| 2 | G19 | C49 | ||
| 3 | A23 | G22 | U65 | C51 |
| 4 | U24 | A26 | U52 | |
