Proliferating cell nuclear antigen (PCNA) inhibitor; inhibits PCNA/PIP-box peptide interaction (IC50 ~1 μM). Causes DNA replication stress by stalling DNA replication forks. Inhibits PCNA interaction with DNA polymerase δ and arrests cell growth in S-phase. Suppresses cancer cell growth. Punchihewa et al (2012) Identification of small molecule proliferating cell nuclear antigen (PCNA) inhibitor that disrupts interactions with PIP-box proteins and inhibits DNA replication. J.Biol.Chem. 287 14289 PMID:22383522 |