This entry represents a domain that is found in in the CapR proteins of PLE phage satellites [1]. Proteins in this family are DNA-binding proteins.

1: A phage satellite tunes inducing phage gene expression using a domesticated endonuclease to balance inhibition and virion hijacking. Netter Z, Boyd CM, Silvas TV, Seed KD; Nucleic Acids Res. 2021;49:4386-4401. PMID:33823541