Figure 1.
Structure of DS119 (Protein Data Bank identification code: 2KI0). Special design features are shown in sticks, including the tryptophan (Trp) pair (W9 and W34) and the negatively designed residues (R6 and K21).
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.