Azido-PEG3-Val-Cit-PAB-PNP is a cleavable peptide ADC linker. The Val-Cit will specifically be cleaved by Cathepsin B. PNP groupg is a good leaving group when treating with aminebearing payload. Azido group will react with DBCO, BCN or other Alkyne group through click chemistry, PEG spacer increases aqueous solubility. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
Usually ships within 24 hours.