CL2A is a pH-sensitive, cleavable PEG8- and triazole-containing PABC-peptide-mc linker, characterized by its ability to induce a bystander effect. It forms a disulfide bond with an antibody at a cysteine residue. Labetuzumab govitecan utilizes this linker for its drug conjugation[1].
Bac2A TFA is an antimicrobial and immunomodulatory peptide derived from bactenecin. Notably, Bac2A TFA exhibits high efficacy in combating fungal pathogens.