PNU-EDA-Gly5 is an oligo-glycine linker-payload for ADC synthesis, composed of a DNA topoisomerase I inhibitor PNU-159682 and a linker EDA-Gly5[1].
References
[1] Quintieri L, et al. Formation and antitumor activity of PNU-159682, a major metabolite of nemorubicin in human liver microsomes. Clin Cancer Res. 2005 Feb 15;11(4):1608-17. DOI:10.1158/1078-0432.CCR-04-1845