is a family of enzymes which damage bacterial cell
walls by hydrolyzing the glycosidic bonds (1,4-beta
-linkages) between N-acetylmuramic acid and
N-acetyl-D-glucosamine in peptidoglycans.
An enzyme found in egg whites & human
tears with 129 aa's
and 8 CYS residues,
which form 4 S-S bonds; it hydrolyses peptidoglycans
in bacterial cell walls thus functioning as a
bactericidal agent.
MW =
14,600.
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