Endo-beta-N-acetylglucosaminidase (Engase) (Engase)

Endo-beta-N-acetylglucosaminidase (Engase) from Staphylococcus aureus is a critical enzyme involved in the maintenance and remodeling of the bacterial cell wall (UniProt P06442). It functions by cleaving the beta-1,4-glycosidic bond between N-acetylglucosamine and N-acetylmuramic acid within the peptidoglycan polymer, a step that is essential for the separation of daughter cells during cell division (PubMed: 25153861). Engase is typically produced as part of the bifunctional autolysin Atl, which is the primary autolytic enzyme in S. aureus and is also implicated in biofilm formation and host cell attachment (PubMed: 30305474). Given its essential role in bacterial growth and its accessibility on the cell surface, Engase is a significant target for the development of novel antibacterial agents. Inhibition of this enzyme leads to the formation of large cell clusters and eventual bacterial death, providing a pathway for treating multidrug-resistant staphylococcal infections (PubMed: 22493498). Research into small molecule inhibitors and monoclonal antibodies targeting this domain is ongoing to address the challenge of antibiotic resistance. The enzyme's specificity for bacterial peptidoglycan makes it an attractive target with potentially low cross-reactivity with human glycosidases.

Other names

Endo-beta-N-acetylglucosaminidaseAtl-EngaseN-acetylglucosaminidaseBifunctional autolysin Engase domainGlycosyl hydrolase family 73AtlG

Inhibition of the hydrolysis of the beta-1,4-glycosidic bond in peptidoglycan, preventing bacterial cell separation and leading to growth inhibition.