Mal-PEG8-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 spacer improves the compound's aqueous solubility. PNP is a good leaving group.
Usually ships within 24 hours.