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Membrane-bound lytic murein transglycosylase D and similar proteins Lytic transglycosylases (LT) catalyze the cleavage of the beta-1,4-glycosidic bond between N-acetylmuramic acid (MurNAc) and N-acetyl-D-glucosamine (GlcNAc). Membrane-bound lytic murein transglycosylase D protein (MltD) family members may have one or more small LysM domains, which may contribute to peptidoglycan binding. Unlike the similar "goose-type" lysozymes, LTs also make a new glycosidic bond with the C6 hydroxyl group of the same muramic acid residue. Proteins similar to this family include the soluble and insoluble membrane-bound LTs in bacteria, the LTs in bacteriophage lambda, as well as the eukaryotic "goose-type" lysozymes (goose egg-white lysozyme; GEWL). |
Jiyao W et al.(2023). "The conserved domain database in 2023.",