Mal-PEG4-Val-Cit-PAB-PNP is a cleavable ADC linker. The Val-Cit linkers can be cleaved by Cathepsin B. Maleimide (Mal) group is reactive toward thiol groups. PEG space improve compound's aqueous solubility. PNP is a good leaving group. Please contact us for GMP-grade inquiries.
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