Product Description: DBCO-PEG4-MMAF is a agent-linker conjugate for ADC with potent antitumor activity by using the tubulin polymerization inhibitor, MMAF, linked via the cleavable linker DBCO-PEG4. DBCO-PEG4-MMAF is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups.