Zincin-like Metallopeptidase frequently found in polyvalent proteins of phages and conjugative elements. The active site is comprised of a HEXXH motif and a C-terminal glutamate [1].

1: Polyvalent Proteins, a Pervasive Theme in the Intergenomic Biological Conflicts of Bacteriophages and Conjugative Elements. Iyer LM, Burroughs AM, Anand S, de Souza RF, Aravind L; J Bacteriol. 2017; [Epub ahead of print] PMID:28559295