HPG protein modifiers or p-hydroxyphenyl glyoxal react with arginine residues, producing an absorbance increase at about 340 nm, and are therefore a good choice for amino acid side chain modification.
MC-Val-Cit-PAB-Auristatin E is an antibody-drug conjugate (ADC) linker compound featuring Auristatin E, a potent cytotoxic tubulin modifier, connected through the MC-Val-Cit-PAB linker, exhibiting significant antitumor activity.