Mal-PEG4-Val-Cit-PAB-OH is a cleavable peptide linker. The Val-Cit was designed to be cleaved by Cathepsin B. The maleimide group is reactive toward thiol groups between pH 6.5 to 7.5. PEG4 arm increases the aqueous solubility of the compound. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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