CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) and associated Cas proteins comprise a system for heritable host defense by prokaryotic cells against phage and other foreign DNA; Predicted transcriptional regulator of CRISPR/Cas system; contains DNA binding HTH domain; also known as Csa5 family
Jiyao W et al.(2023). "The conserved domain database in 2023.",