Gly-Gly-L-Phe-N-[(carboxymethoxy)methyl]Glycinamide (also known as "Gly-Gly-Phe-Gly-NH-CH?-O-CH?COOH") is a protease-cleavable ADC linker featuring the GGFG (Gly-Gly-Phe-Gly) sequence. It can be used in the synthesis of antibody-drug conjugates (ADCs) by attaching to payloads and antibodies.
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