Fmoc-PEG3-Ala-Ala-Asn(Trt)-PAB is a cleavable three-unit polyethylene glycol (PEG) linker employed in the synthesis of antibody-drug conjugates (ADCs)[1].
DBCO-(PEG)3-VC-PAB-MMAE is a chemical compound where monomethyl auristatin E (MMAE), a potent tubulin inhibitor acting as a toxin payload in antibody-drug conjugates, is conjugated to a DBCO-(PEG)3-vc-PAB linker.