EG01377 has antiangiogenic, antimigratory, and antitumor effects.EG01377 is a neuropilin-1 (NRP1) antagonist, with a Kd of 1.32 μM for NRP1-b1, and IC50s of both 609 nM for NRP1-a1 and NRP1-b1, but shows no effect on NRP2.
Rebeccamycin is an antitumor antibiotic+ inhibits DNA topoisomerase I. Rebeccamycin appears to exert its primary antineoplastic effect by poisoning topoisomerase I. It also has a negligible effect on protein kinase C and topoisomerase II.