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. 2023 Apr 26;30:29. doi: 10.1186/s12929-023-00919-1

Fig. 2.

Fig. 2

The typical modular structures of different types of endolysins derived from phages targeting G+ bacteria. 24 types of endolysins are proposed according to their molecule structures. CHAP cysteine- and histidine-dependent aminopeptidase/hydrolase, SH3 bacterial Src homology 3 domain, responsible for cell-wall peptidoglycan recognition and binding, ChBD choline-binding domain, PSA_CBD cell wall-binding domain, ZoocinA_TRD a target recognition domain, Cpl-7 Cpl-7-like cell wall-binding domain, LysM a small domain involved in binding peptidoglycan