Cas9 Protein

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** CRISPR (clustered regularly interspaced short palindromic repeat)-associated protein 9 (160 kDa) is encoded by the Streptococcus pyogenes CAS9 gene. This protein is involved in the adaptive immune system of Streptococcus pyogenes. It has been adapted for use in targeted base editing.

**Synonyms:** - CRISPR Associated Protein 9 - CRISPR-Associated Endonuclease Cas9 - CRISPR-Associated Endonuclease Cas9/Csn1 - Cas5 - Csn1 - Csx12