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.
Type IIS Restriction Enzymes SapI-mediated efficient replacement strategy for 20 nt target sequence. The red dotted line portion is the SapI restriction site. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)
