MOLEKUUL / SCIENCE PHOTO LIBRARY MOLEKUUL / SCIENCE PHOTO LIBRARY
CRISPR-CAS9 gene editing complex from Streptococcus pyogenes. The Cas9 nuclease protein (blue) uses a guide RNA (purple) sequence to cut DNA (green) at a complementary site. Used in genome engineering and gene therapy. Atoms are shown as colour coded spheres. Illustration.
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