Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Typical peptidoglycan structure of Gram-positive bacteria, showing lysin cleavage sites. The cleavage sites are indicated: (1) N-acetylmuramidases; (2) N-acetyl-β-D-glucosaminidases; (3) N-acetylmuramoyl-L-alanine amidases; (4) L-alanoyl-D-glutamate endopeptidases and interpeptide bridge-specific endopeptidases. Abbreviations: GlcNAc (N-acetyl glucosamine), MurNAc (N-acetyl muramic acid).
