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.
Overview of cas gene cassettes of the single adaptation and 3 interference CRISPR-Cas modules of S. islandicus REY15A. CRISPR loci 1 (115 repeat-spacer units) and 2 (93 units) are indicated and the genomic locations are given. Antitoxin-toxin vapBC gene pairs are shown together with mobile element-related genes (chequered).
