Fmoc-PEG3-Ala-Ala-Asn (Trt) -PAB-PNP

Fmoc-PEG3-Ala-Ala-Asn (Trt) -PAB-PNP is a peptide reagent for ADC conjugation featuring a cleavable peptide sequence and a hydrophilic PEG spacer to enhance solubility in aqueous media.

C(NC(C[C@@H](C(NC1=CC=C(COC(OC2=CC=C(N(=O)=O)C=C2)=O)C=C1)=O)NC([C@@H](NC([C@@H](NC(CCOCCOCCOCCNC(OCC3C=4C(C=5C3=CC=CC5)=CC=CC4)=O)=O)C)=O)C)=O)=O)(C6=CC=CC=C6)(C7=CC=CC=C7)C8=CC=CC=C8