![Image of red PAM sequences on DNAs targeted by Cas9](https://innovativegenomics.org/wp-content/uploads/2024/06/PAM-1.png)
Glossary
Protospacer adjacent motif (PAM)
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A short sequence that must be present next to a DNA target sequence for Cas9 to bind and cut. Prevents cleavage of host CRISPR array, where PAM is not present.
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