Table 2: Existing PCNA inhibitors.

There are currently 3 peptide and 4 small molecular inhibitors of PCNA. They prevent the assembly of the PCNA trimer or PCNA:target protein interactions.

Name	Target	Type	Reference
T2AA	PCNA-PIP Box	Small Molecule	Punchihewa et al 2012
PCNA-I1	PCNA Trimers	Small Molecule	Tan et al 2012
AOH1160	ca-PCNA	Small Molecule	Gu et al 2018
AOH1996	ca-PCNA	Small Molecule	Gu et al 2023
p21C2	p21-PCNA interaction	Peptide	Chen et al 1996
p21PBP	p21-PCNA interaction	Peptide	Warbrick et al 1995
Y211F CPPP	PCNA phosphorylation	Peptide	Zhao et al 2011
Con1-Spop	PCNA	Peptide	Chang et al 2022