dbco-peg-4-vc-pab-mmae

DBCO-PEG4-VC-PAB-MMAE is a drug-linker complex consisting of an ADC linker (DBCO-PEG4-VC-PAB) and the tubulin polymerization inhibitor MMAE. It is a key building block utilized for the synthesis of antibody-drug conjugates (ADCs). MMAE, a synthetic derivative of dolastatin 10, functions as a potent mitotic inhibitor by blocking tubulin polymerization. The reagent features a DBCO group, enabling strain-promoted alkyne-azide cycloaddition (SPAAC) with azide-containing molecules via click chemistry. The VC-PAB (Valine-Citrulline-p-aminobenzylcarbamate) moiety is a Cathepsin B-cleavable linker, ensuring site-specific drug release within the lysosomal environment of target cells.