A bacteriolysin able to lyse both L.monocytogenes and S.aureus. Anchored by its GW repeats to the cell surface. The C-terminus has 8 GW repeats. Decrease in lytic activity on L.monocytogenes and S.aureus (PubMed:9282740). Decreased adhesion to mammalian host cells, however no change in host invasion and host intracellular growth (PubMed:10746777). In the N-terminal section; belongs to the N-acetylmuramoyl-L-alanine amidase 2 family.